Merge pull request #15 from helpfulrobot/convert-to-psr-2

Converted to PSR-2
This commit is contained in:
Damian Mooyman 2015-12-18 10:05:28 +13:00
commit 608458ccb8
6 changed files with 1672 additions and 1497 deletions

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@ -5,167 +5,182 @@
*
* @package SQLite3
*/
class SQLite3Connector extends DBConnector {
class SQLite3Connector extends DBConnector
{
/**
* The name of the database.
*
* @var string
*/
protected $databaseName;
/**
* The name of the database.
*
* @var string
*/
protected $databaseName;
/**
* Connection to the DBMS.
*
* @var SQLite3
*/
protected $dbConn;
/**
* Connection to the DBMS.
*
* @var SQLite3
*/
protected $dbConn;
public function connect($parameters, $selectDB = false) {
$file = $parameters['filepath'];
$this->dbConn = empty($parameters['key'])
? new SQLite3($file, SQLITE3_OPEN_READWRITE | SQLITE3_OPEN_CREATE)
: new SQLite3($file, SQLITE3_OPEN_READWRITE | SQLITE3_OPEN_CREATE, $parameters['key']);
$this->dbConn->busyTimeout(60000);
$this->databaseName = $parameters['database'];
}
public function connect($parameters, $selectDB = false)
{
$file = $parameters['filepath'];
$this->dbConn = empty($parameters['key'])
? new SQLite3($file, SQLITE3_OPEN_READWRITE | SQLITE3_OPEN_CREATE)
: new SQLite3($file, SQLITE3_OPEN_READWRITE | SQLITE3_OPEN_CREATE, $parameters['key']);
$this->dbConn->busyTimeout(60000);
$this->databaseName = $parameters['database'];
}
public function affectedRows() {
return $this->dbConn->changes();
}
public function affectedRows()
{
return $this->dbConn->changes();
}
public function getGeneratedID($table) {
return $this->dbConn->lastInsertRowID();
}
public function getGeneratedID($table)
{
return $this->dbConn->lastInsertRowID();
}
public function getLastError() {
$message = $this->dbConn->lastErrorMsg();
return $message === 'not an error' ? null : $message;
}
public function getLastError()
{
$message = $this->dbConn->lastErrorMsg();
return $message === 'not an error' ? null : $message;
}
public function getSelectedDatabase() {
return $this->databaseName;
}
public function getSelectedDatabase()
{
return $this->databaseName;
}
public function getVersion() {
$version = SQLite3::version();
return trim($version['versionString']);
}
public function getVersion()
{
$version = SQLite3::version();
return trim($version['versionString']);
}
public function isActive() {
return $this->databaseName && $this->dbConn;
}
public function isActive()
{
return $this->databaseName && $this->dbConn;
}
/**
* Prepares the list of parameters in preparation for passing to mysqli_stmt_bind_param
*
* @param array $parameters List of parameters
* @return array List of parameters types and values
*/
public function parsePreparedParameters($parameters) {
$values = array();
foreach($parameters as $value) {
$phpType = gettype($value);
$sqlType = null;
/**
* Prepares the list of parameters in preparation for passing to mysqli_stmt_bind_param
*
* @param array $parameters List of parameters
* @return array List of parameters types and values
*/
public function parsePreparedParameters($parameters)
{
$values = array();
foreach ($parameters as $value) {
$phpType = gettype($value);
$sqlType = null;
// Allow overriding of parameter type using an associative array
if($phpType === 'array') {
$phpType = $value['type'];
$value = $value['value'];
}
// Allow overriding of parameter type using an associative array
if ($phpType === 'array') {
$phpType = $value['type'];
$value = $value['value'];
}
// Convert php variable type to one that makes mysqli_stmt_bind_param happy
// @see http://www.php.net/manual/en/mysqli-stmt.bind-param.php
switch($phpType) {
case 'boolean':
case 'integer':
$sqlType = SQLITE3_INTEGER;
break;
case 'float': // Not actually returnable from gettype
case 'double':
$sqlType = SQLITE3_FLOAT;
break;
case 'object': // Allowed if the object or resource has a __toString method
case 'resource':
case 'string':
$sqlType = SQLITE3_TEXT;
break;
case 'NULL':
$sqlType = SQLITE3_NULL;
break;
case 'blob':
$sqlType = SQLITE3_BLOB;
break;
case 'array':
case 'unknown type':
default:
user_error("Cannot bind parameter \"$value\" as it is an unsupported type ($phpType)", E_USER_ERROR);
break;
}
$values[] = array(
'type' => $sqlType,
'value' => $value
);
}
return $values;
}
// Convert php variable type to one that makes mysqli_stmt_bind_param happy
// @see http://www.php.net/manual/en/mysqli-stmt.bind-param.php
switch ($phpType) {
case 'boolean':
case 'integer':
$sqlType = SQLITE3_INTEGER;
break;
case 'float': // Not actually returnable from gettype
case 'double':
$sqlType = SQLITE3_FLOAT;
break;
case 'object': // Allowed if the object or resource has a __toString method
case 'resource':
case 'string':
$sqlType = SQLITE3_TEXT;
break;
case 'NULL':
$sqlType = SQLITE3_NULL;
break;
case 'blob':
$sqlType = SQLITE3_BLOB;
break;
case 'array':
case 'unknown type':
default:
user_error("Cannot bind parameter \"$value\" as it is an unsupported type ($phpType)", E_USER_ERROR);
break;
}
$values[] = array(
'type' => $sqlType,
'value' => $value
);
}
return $values;
}
public function preparedQuery($sql, $parameters, $errorLevel = E_USER_ERROR) {
// Type check, identify, and prepare parameters for passing to the statement bind function
$parsedParameters = $this->parsePreparedParameters($parameters);
public function preparedQuery($sql, $parameters, $errorLevel = E_USER_ERROR)
{
// Type check, identify, and prepare parameters for passing to the statement bind function
$parsedParameters = $this->parsePreparedParameters($parameters);
// Prepare statement
$statement = @$this->dbConn->prepare($sql);
if($statement) {
// Bind and run to statement
for($i = 0; $i < count($parsedParameters); $i++) {
$value = $parsedParameters[$i]['value'];
$type = $parsedParameters[$i]['type'];
$statement->bindValue($i+1, $value, $type);
}
// Return successful result
$handle = $statement->execute();
if ($handle) {
return new SQLite3Query($this, $handle);
}
}
// Handle error
$values = $this->parameterValues($parameters);
$this->databaseError($this->getLastError(), $errorLevel, $sql, $values);
return null;
}
// Prepare statement
$statement = @$this->dbConn->prepare($sql);
if ($statement) {
// Bind and run to statement
for ($i = 0; $i < count($parsedParameters); $i++) {
$value = $parsedParameters[$i]['value'];
$type = $parsedParameters[$i]['type'];
$statement->bindValue($i+1, $value, $type);
}
// Return successful result
$handle = $statement->execute();
if ($handle) {
return new SQLite3Query($this, $handle);
}
}
// Handle error
$values = $this->parameterValues($parameters);
$this->databaseError($this->getLastError(), $errorLevel, $sql, $values);
return null;
}
public function query($sql, $errorLevel = E_USER_ERROR) {
// Return successful result
$handle = @$this->dbConn->query($sql);
if ($handle) {
return new SQLite3Query($this, $handle);
}
// Handle error
$this->databaseError($this->getLastError(), $errorLevel, $sql);
return null;
}
public function query($sql, $errorLevel = E_USER_ERROR)
{
// Return successful result
$handle = @$this->dbConn->query($sql);
if ($handle) {
return new SQLite3Query($this, $handle);
}
// Handle error
$this->databaseError($this->getLastError(), $errorLevel, $sql);
return null;
}
public function quoteString($value) {
return "'".$this->escapeString($value)."'";
}
public function quoteString($value)
{
return "'".$this->escapeString($value)."'";
}
public function escapeString($value) {
return $this->dbConn->escapeString($value);
}
public function escapeString($value)
{
return $this->dbConn->escapeString($value);
}
public function selectDatabase($name) {
if($name !== $this->databaseName) {
user_error("SQLite3Connector can't change databases. Please create a new database connection", E_USER_ERROR);
}
return true;
}
public function selectDatabase($name)
{
if ($name !== $this->databaseName) {
user_error("SQLite3Connector can't change databases. Please create a new database connection", E_USER_ERROR);
}
return true;
}
public function unloadDatabase() {
$this->dbConn->close();
$this->databaseName = null;
}
public function unloadDatabase()
{
$this->dbConn->close();
$this->databaseName = null;
}
}

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@ -1,488 +1,534 @@
<?php
/**
* SQLite database controller class
*
* @package SQLite3
*/
class SQLite3Database extends SS_Database {
/**
* Database schema manager object
*
* @var SQLite3SchemaManager
*/
protected $schemaManager = null;
/*
* This holds the parameters that the original connection was created with,
* so we can switch back to it if necessary (used for unit tests)
*
* @var array
*/
protected $parameters;
/*
* if we're on a In-Memory db
*
* @var boolean
*/
protected $livesInMemory = false;
/**
* List of default pragma values
*
* @todo Migrate to SS config
*
* @var array
*/
public static $default_pragma = array(
'encoding' => '"UTF-8"',
'locking_mode' => 'NORMAL'
);
/**
* Extension used to distinguish between sqllite database files and other files.
* Required to handle multiple databases.
*
* @return string
*/
public static function database_extension() {
return Config::inst()->get('SQLite3Database', 'database_extension');
}
/**
* Check if a database name has a valid extension
*
* @param string $name
* @return boolean
*/
public static function is_valid_database_name($name) {
$extension = self::database_extension();
if(empty($extension)) return true;
return substr_compare($name, $extension, -strlen($extension), strlen($extension)) === 0;
}
/**
* Connect to a SQLite3 database.
* @param array $parameters An map of parameters, which should include:
* - database: The database to connect to, with the correct file extension (.sqlite)
* - path: the path to the SQLite3 database file
* - key: the encryption key (needs testing)
* - memory: use the faster In-Memory database for unit tests
*/
public function connect($parameters) {
if(!empty($parameters['memory'])) {
Deprecation::notice(
'1.4.0',
"\$databaseConfig['memory'] is deprecated. Use \$databaseConfig['path'] = ':memory:' instead.",
Deprecation::SCOPE_GLOBAL
);
unset($parameters['memory']);
$parameters['path'] = ':memory:';
}
//We will store these connection parameters for use elsewhere (ie, unit tests)
$this->parameters = $parameters;
$this->schemaManager->flushCache();
// Ensure database name is set
if(empty($parameters['database'])) {
$parameters['database'] = 'database' . self::database_extension();
}
$dbName = $parameters['database'];
if(!self::is_valid_database_name($dbName)) {
// If not using the correct file extension for database files then the
// results of SQLite3SchemaManager::databaseList will be unpredictable
$extension = self::database_extension();
Deprecation::notice('3.2', "SQLite3Database now expects a database file with extension \"$extension\". Behaviour may be unpredictable otherwise.");
}
// use the very lightspeed SQLite In-Memory feature for testing
if($this->getLivesInMemory()) {
$file = ':memory:';
} else {
// Ensure path is given
if(empty($parameters['path'])) {
$parameters['path'] = ASSETS_PATH . '/.sqlitedb';
}
//assumes that the path to dbname will always be provided:
$file = $parameters['path'] . '/' . $dbName;
if(!file_exists($parameters['path'])) {
SQLiteDatabaseConfigurationHelper::create_db_dir($parameters['path']);
SQLiteDatabaseConfigurationHelper::secure_db_dir($parameters['path']);
}
}
// 'path' and 'database' are merged into the full file path, which
// is the format that connectors such as PDOConnector expect
$parameters['filepath'] = $file;
// Ensure that driver is available (required by PDO)
if(empty($parameters['driver'])) {
$parameters['driver'] = $this->getDatabaseServer();
}
$this->connector->connect($parameters, true);
foreach(self::$default_pragma as $pragma => $value) {
$this->setPragma($pragma, $value);
}
if(empty(self::$default_pragma['locking_mode'])) {
self::$default_pragma['locking_mode'] = $this->getPragma('locking_mode');
}
}
/**
* Retrieve parameters used to connect to this SQLLite database
*
* @return array
*/
public function getParameters() {
return $this->parameters;
}
public function getLivesInMemory() {
return isset($this->parameters['path']) && $this->parameters['path'] === ':memory:';
}
public function supportsCollations() {
return true;
}
public function supportsTimezoneOverride() {
return false;
}
/**
* Execute PRAGMA commands.
*
* @param string pragma name
* @param string value to set
*/
public function setPragma($pragma, $value) {
$this->query("PRAGMA $pragma = $value");
}
/**
* Gets pragma value.
*
* @param string pragma name
* @return string the pragma value
*/
public function getPragma($pragma) {
return $this->query("PRAGMA $pragma")->value();
}
public function getDatabaseServer() {
return "sqlite";
}
public function selectDatabase($name, $create = false, $errorLevel = E_USER_ERROR) {
if (!$this->schemaManager->databaseExists($name)) {
// Check DB creation permisson
if (!$create) {
if ($errorLevel !== false) {
user_error("Attempted to connect to non-existing database \"$name\"", $errorLevel);
}
// Unselect database
$this->connector->unloadDatabase();
return false;
}
$this->schemaManager->createDatabase($name);
}
// Reconnect using the existing parameters
$parameters = $this->parameters;
$parameters['database'] = $name;
$this->connect($parameters);
return true;
}
function now(){
return "datetime('now', 'localtime')";
}
function random(){
return 'random()';
}
/**
* The core search engine configuration.
* @todo There is a fulltext search for SQLite making use of virtual tables, the fts3 extension and the
* MATCH operator
* there are a few issues with fts:
* - shared cached lock doesn't allow to create virtual tables on versions prior to 3.6.17
* - there must not be more than one MATCH operator per statement
* - the fts3 extension needs to be available
* for now we use the MySQL implementation with the MATCH()AGAINST() uglily replaced with LIKE
*
* @param string $keywords Keywords as a space separated string
* @return object DataObjectSet of result pages
*/
public function searchEngine($classesToSearch, $keywords, $start, $pageLength, $sortBy = "Relevance DESC",
$extraFilter = "", $booleanSearch = false, $alternativeFileFilter = "", $invertedMatch = false
) {
$keywords = $this->escapeString(str_replace(array('*','+','-','"','\''), '', $keywords));
$htmlEntityKeywords = htmlentities(utf8_decode($keywords));
$extraFilters = array('SiteTree' => '', 'File' => '');
if($extraFilter) {
$extraFilters['SiteTree'] = " AND $extraFilter";
if($alternativeFileFilter) $extraFilters['File'] = " AND $alternativeFileFilter";
else $extraFilters['File'] = $extraFilters['SiteTree'];
}
// Always ensure that only pages with ShowInSearch = 1 can be searched
$extraFilters['SiteTree'] .= ' AND ShowInSearch <> 0';
// File.ShowInSearch was added later, keep the database driver backwards compatible
// by checking for its existence first
$fields = $this->getSchemaManager()->fieldList('File');
if(array_key_exists('ShowInSearch', $fields)) {
$extraFilters['File'] .= " AND ShowInSearch <> 0";
}
$limit = $start . ", " . (int) $pageLength;
$notMatch = $invertedMatch ? "NOT " : "";
if($keywords) {
$match['SiteTree'] = "
(Title LIKE '%$keywords%' OR MenuTitle LIKE '%$keywords%' OR Content LIKE '%$keywords%' OR MetaDescription LIKE '%$keywords%' OR
Title LIKE '%$htmlEntityKeywords%' OR MenuTitle LIKE '%$htmlEntityKeywords%' OR Content LIKE '%$htmlEntityKeywords%' OR MetaDescription LIKE '%$htmlEntityKeywords%')
";
$match['File'] = "(Name LIKE '%$keywords%' OR Title LIKE '%$keywords%') AND ClassName = 'File'";
// We make the relevance search by converting a boolean mode search into a normal one
$relevanceKeywords = $keywords;
$htmlEntityRelevanceKeywords = $htmlEntityKeywords;
$relevance['SiteTree'] = "(Title LIKE '%$relevanceKeywords%' OR MenuTitle LIKE '%$relevanceKeywords%' OR Content LIKE '%$relevanceKeywords%' OR MetaDescription LIKE '%$relevanceKeywords%') + (Title LIKE '%$htmlEntityRelevanceKeywords%' OR MenuTitle LIKE '%$htmlEntityRelevanceKeywords%' OR Content LIKE '%$htmlEntityRelevanceKeywords%' OR MetaDescription LIKE '%$htmlEntityRelevanceKeywords%')";
$relevance['File'] = "(Name LIKE '%$relevanceKeywords%' OR Title LIKE '%$relevanceKeywords%')";
} else {
$relevance['SiteTree'] = $relevance['File'] = 1;
$match['SiteTree'] = $match['File'] = "1 = 1";
}
// Generate initial queries and base table names
$baseClasses = array('SiteTree' => '', 'File' => '');
$queries = array();
foreach($classesToSearch as $class) {
$queries[$class] = DataList::create($class)->where($notMatch . $match[$class] . $extraFilters[$class], "")->dataQuery()->query();
$fromArr = $queries[$class]->getFrom();
$baseClasses[$class] = reset($fromArr);
}
// Make column selection lists
$select = array(
'SiteTree' => array(
"\"ClassName\"",
"\"ID\"",
"\"ParentID\"",
"\"Title\"",
"\"URLSegment\"",
"\"Content\"",
"\"LastEdited\"",
"\"Created\"",
"NULL AS \"Name\"",
"\"CanViewType\"",
"$relevance[SiteTree] AS Relevance"
),
'File' => array(
"\"ClassName\"",
"\"ID\"",
"NULL AS \"ParentID\"",
"\"Title\"",
"NULL AS \"URLSegment\"",
"NULL AS \"Content\"",
"\"LastEdited\"",
"\"Created\"",
"\"Name\"",
"NULL AS \"CanViewType\"",
"$relevance[File] AS Relevance"
)
);
// Process queries
foreach($classesToSearch as $class) {
// There's no need to do all that joining
$queries[$class]->setFrom($baseClasses[$class]);
$queries[$class]->setSelect(array());
foreach($select[$class] as $clause) {
if(preg_match('/^(.*) +AS +"?([^"]*)"?/i', $clause, $matches)) {
$queries[$class]->selectField($matches[1], $matches[2]);
} else {
$queries[$class]->selectField(str_replace('"', '', $clause));
}
}
$queries[$class]->setOrderBy(array());
}
// Combine queries
$querySQLs = array();
$queryParameters = array();
$totalCount = 0;
foreach($queries as $query) {
$querySQLs[] = $query->sql($parameters);
$queryParameters = array_merge($queryParameters, $parameters);
$totalCount += $query->unlimitedRowCount();
}
$fullQuery = implode(" UNION ", $querySQLs) . " ORDER BY $sortBy LIMIT $limit";
// Get records
$records = $this->preparedQuery($fullQuery, $queryParameters);
foreach($records as $record) {
$objects[] = new $record['ClassName']($record);
}
if(isset($objects)) $doSet = new ArrayList($objects);
else $doSet = new ArrayList();
$list = new PaginatedList($doSet);
$list->setPageStart($start);
$list->setPageLEngth($pageLength);
$list->setTotalItems($totalCount);
return $list;
}
/*
* Does this database support transactions?
*/
public function supportsTransactions(){
return version_compare($this->getVersion(), '3.6', '>=');
}
public function supportsExtensions($extensions = array('partitions', 'tablespaces', 'clustering')){
if(isset($extensions['partitions']))
return true;
elseif(isset($extensions['tablespaces']))
return true;
elseif(isset($extensions['clustering']))
return true;
else
return false;
}
public function transactionStart($transaction_mode = false, $session_characteristics = false) {
$this->query('BEGIN');
}
public function transactionSavepoint($savepoint) {
$this->query("SAVEPOINT \"$savepoint\"");
}
public function transactionRollback($savepoint = false){
if($savepoint) {
$this->query("ROLLBACK TO $savepoint;");
} else {
$this->query('ROLLBACK;');
}
}
public function transactionEnd($chain = false){
$this->query('COMMIT;');
}
public function clearTable($table) {
$this->query("DELETE FROM \"$table\"");
}
public function comparisonClause($field, $value, $exact = false, $negate = false, $caseSensitive = null,
$parameterised = false
) {
if($exact && !$caseSensitive) {
$comp = ($negate) ? '!=' : '=';
} else {
if($caseSensitive) {
// GLOB uses asterisks as wildcards.
// Replace them in search string, without replacing escaped percetage signs.
$comp = 'GLOB';
$value = preg_replace('/^%([^\\\\])/', '*$1', $value);
$value = preg_replace('/([^\\\\])%$/', '$1*', $value);
$value = preg_replace('/([^\\\\])%/', '$1*', $value);
} else {
$comp = 'LIKE';
}
if($negate) $comp = 'NOT ' . $comp;
}
if($parameterised) {
return sprintf("%s %s ?", $field, $comp);
} else {
return sprintf("%s %s '%s'", $field, $comp, $value);
}
}
function formattedDatetimeClause($date, $format) {
preg_match_all('/%(.)/', $format, $matches);
foreach($matches[1] as $match) if(array_search($match, array('Y','m','d','H','i','s','U')) === false) user_error('formattedDatetimeClause(): unsupported format character %' . $match, E_USER_WARNING);
$translate = array(
'/%i/' => '%M',
'/%s/' => '%S',
'/%U/' => '%s',
);
$format = preg_replace(array_keys($translate), array_values($translate), $format);
$modifiers = array();
if($format == '%s' && $date != 'now') $modifiers[] = 'utc';
if($format != '%s' && $date == 'now') $modifiers[] = 'localtime';
if(preg_match('/^now$/i', $date)) {
$date = "'now'";
} else if(preg_match('/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/i', $date)) {
$date = "'$date'";
}
$modifier = empty($modifiers) ? '' : ", '" . implode("', '", $modifiers) . "'";
return "strftime('$format', $date$modifier)";
}
function datetimeIntervalClause($date, $interval) {
$modifiers = array();
if($date == 'now') $modifiers[] = 'localtime';
if(preg_match('/^now$/i', $date)) {
$date = "'now'";
} else if(preg_match('/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/i', $date)) {
$date = "'$date'";
}
$modifier = empty($modifiers) ? '' : ", '" . implode("', '", $modifiers) . "'";
return "datetime($date$modifier, '$interval')";
}
function datetimeDifferenceClause($date1, $date2) {
$modifiers1 = array();
$modifiers2 = array();
if($date1 == 'now') $modifiers1[] = 'localtime';
if($date2 == 'now') $modifiers2[] = 'localtime';
if(preg_match('/^now$/i', $date1)) {
$date1 = "'now'";
} else if(preg_match('/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/i', $date1)) {
$date1 = "'$date1'";
}
if(preg_match('/^now$/i', $date2)) {
$date2 = "'now'";
} else if(preg_match('/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/i', $date2)) {
$date2 = "'$date2'";
}
$modifier1 = empty($modifiers1) ? '' : ", '" . implode("', '", $modifiers1) . "'";
$modifier2 = empty($modifiers2) ? '' : ", '" . implode("', '", $modifiers2) . "'";
return "strftime('%s', $date1$modifier1) - strftime('%s', $date2$modifier2)";
}
}
<?php
/**
* SQLite database controller class
*
* @package SQLite3
*/
class SQLite3Database extends SS_Database
{
/**
* Database schema manager object
*
* @var SQLite3SchemaManager
*/
protected $schemaManager = null;
/*
* This holds the parameters that the original connection was created with,
* so we can switch back to it if necessary (used for unit tests)
*
* @var array
*/
protected $parameters;
/*
* if we're on a In-Memory db
*
* @var boolean
*/
protected $livesInMemory = false;
/**
* List of default pragma values
*
* @todo Migrate to SS config
*
* @var array
*/
public static $default_pragma = array(
'encoding' => '"UTF-8"',
'locking_mode' => 'NORMAL'
);
/**
* Extension used to distinguish between sqllite database files and other files.
* Required to handle multiple databases.
*
* @return string
*/
public static function database_extension()
{
return Config::inst()->get('SQLite3Database', 'database_extension');
}
/**
* Check if a database name has a valid extension
*
* @param string $name
* @return boolean
*/
public static function is_valid_database_name($name)
{
$extension = self::database_extension();
if (empty($extension)) {
return true;
}
return substr_compare($name, $extension, -strlen($extension), strlen($extension)) === 0;
}
/**
* Connect to a SQLite3 database.
* @param array $parameters An map of parameters, which should include:
* - database: The database to connect to, with the correct file extension (.sqlite)
* - path: the path to the SQLite3 database file
* - key: the encryption key (needs testing)
* - memory: use the faster In-Memory database for unit tests
*/
public function connect($parameters)
{
if (!empty($parameters['memory'])) {
Deprecation::notice(
'1.4.0',
"\$databaseConfig['memory'] is deprecated. Use \$databaseConfig['path'] = ':memory:' instead.",
Deprecation::SCOPE_GLOBAL
);
unset($parameters['memory']);
$parameters['path'] = ':memory:';
}
//We will store these connection parameters for use elsewhere (ie, unit tests)
$this->parameters = $parameters;
$this->schemaManager->flushCache();
// Ensure database name is set
if (empty($parameters['database'])) {
$parameters['database'] = 'database' . self::database_extension();
}
$dbName = $parameters['database'];
if (!self::is_valid_database_name($dbName)) {
// If not using the correct file extension for database files then the
// results of SQLite3SchemaManager::databaseList will be unpredictable
$extension = self::database_extension();
Deprecation::notice('3.2', "SQLite3Database now expects a database file with extension \"$extension\". Behaviour may be unpredictable otherwise.");
}
// use the very lightspeed SQLite In-Memory feature for testing
if ($this->getLivesInMemory()) {
$file = ':memory:';
} else {
// Ensure path is given
if (empty($parameters['path'])) {
$parameters['path'] = ASSETS_PATH . '/.sqlitedb';
}
//assumes that the path to dbname will always be provided:
$file = $parameters['path'] . '/' . $dbName;
if (!file_exists($parameters['path'])) {
SQLiteDatabaseConfigurationHelper::create_db_dir($parameters['path']);
SQLiteDatabaseConfigurationHelper::secure_db_dir($parameters['path']);
}
}
// 'path' and 'database' are merged into the full file path, which
// is the format that connectors such as PDOConnector expect
$parameters['filepath'] = $file;
// Ensure that driver is available (required by PDO)
if (empty($parameters['driver'])) {
$parameters['driver'] = $this->getDatabaseServer();
}
$this->connector->connect($parameters, true);
foreach (self::$default_pragma as $pragma => $value) {
$this->setPragma($pragma, $value);
}
if (empty(self::$default_pragma['locking_mode'])) {
self::$default_pragma['locking_mode'] = $this->getPragma('locking_mode');
}
}
/**
* Retrieve parameters used to connect to this SQLLite database
*
* @return array
*/
public function getParameters()
{
return $this->parameters;
}
public function getLivesInMemory()
{
return isset($this->parameters['path']) && $this->parameters['path'] === ':memory:';
}
public function supportsCollations()
{
return true;
}
public function supportsTimezoneOverride()
{
return false;
}
/**
* Execute PRAGMA commands.
*
* @param string pragma name
* @param string value to set
*/
public function setPragma($pragma, $value)
{
$this->query("PRAGMA $pragma = $value");
}
/**
* Gets pragma value.
*
* @param string pragma name
* @return string the pragma value
*/
public function getPragma($pragma)
{
return $this->query("PRAGMA $pragma")->value();
}
public function getDatabaseServer()
{
return "sqlite";
}
public function selectDatabase($name, $create = false, $errorLevel = E_USER_ERROR)
{
if (!$this->schemaManager->databaseExists($name)) {
// Check DB creation permisson
if (!$create) {
if ($errorLevel !== false) {
user_error("Attempted to connect to non-existing database \"$name\"", $errorLevel);
}
// Unselect database
$this->connector->unloadDatabase();
return false;
}
$this->schemaManager->createDatabase($name);
}
// Reconnect using the existing parameters
$parameters = $this->parameters;
$parameters['database'] = $name;
$this->connect($parameters);
return true;
}
public function now()
{
return "datetime('now', 'localtime')";
}
public function random()
{
return 'random()';
}
/**
* The core search engine configuration.
* @todo There is a fulltext search for SQLite making use of virtual tables, the fts3 extension and the
* MATCH operator
* there are a few issues with fts:
* - shared cached lock doesn't allow to create virtual tables on versions prior to 3.6.17
* - there must not be more than one MATCH operator per statement
* - the fts3 extension needs to be available
* for now we use the MySQL implementation with the MATCH()AGAINST() uglily replaced with LIKE
*
* @param string $keywords Keywords as a space separated string
* @return object DataObjectSet of result pages
*/
public function searchEngine($classesToSearch, $keywords, $start, $pageLength, $sortBy = "Relevance DESC",
$extraFilter = "", $booleanSearch = false, $alternativeFileFilter = "", $invertedMatch = false
) {
$keywords = $this->escapeString(str_replace(array('*', '+', '-', '"', '\''), '', $keywords));
$htmlEntityKeywords = htmlentities(utf8_decode($keywords));
$extraFilters = array('SiteTree' => '', 'File' => '');
if ($extraFilter) {
$extraFilters['SiteTree'] = " AND $extraFilter";
if ($alternativeFileFilter) {
$extraFilters['File'] = " AND $alternativeFileFilter";
} else {
$extraFilters['File'] = $extraFilters['SiteTree'];
}
}
// Always ensure that only pages with ShowInSearch = 1 can be searched
$extraFilters['SiteTree'] .= ' AND ShowInSearch <> 0';
// File.ShowInSearch was added later, keep the database driver backwards compatible
// by checking for its existence first
$fields = $this->getSchemaManager()->fieldList('File');
if (array_key_exists('ShowInSearch', $fields)) {
$extraFilters['File'] .= " AND ShowInSearch <> 0";
}
$limit = $start . ", " . (int) $pageLength;
$notMatch = $invertedMatch ? "NOT " : "";
if ($keywords) {
$match['SiteTree'] = "
(Title LIKE '%$keywords%' OR MenuTitle LIKE '%$keywords%' OR Content LIKE '%$keywords%' OR MetaDescription LIKE '%$keywords%' OR
Title LIKE '%$htmlEntityKeywords%' OR MenuTitle LIKE '%$htmlEntityKeywords%' OR Content LIKE '%$htmlEntityKeywords%' OR MetaDescription LIKE '%$htmlEntityKeywords%')
";
$match['File'] = "(Name LIKE '%$keywords%' OR Title LIKE '%$keywords%') AND ClassName = 'File'";
// We make the relevance search by converting a boolean mode search into a normal one
$relevanceKeywords = $keywords;
$htmlEntityRelevanceKeywords = $htmlEntityKeywords;
$relevance['SiteTree'] = "(Title LIKE '%$relevanceKeywords%' OR MenuTitle LIKE '%$relevanceKeywords%' OR Content LIKE '%$relevanceKeywords%' OR MetaDescription LIKE '%$relevanceKeywords%') + (Title LIKE '%$htmlEntityRelevanceKeywords%' OR MenuTitle LIKE '%$htmlEntityRelevanceKeywords%' OR Content LIKE '%$htmlEntityRelevanceKeywords%' OR MetaDescription LIKE '%$htmlEntityRelevanceKeywords%')";
$relevance['File'] = "(Name LIKE '%$relevanceKeywords%' OR Title LIKE '%$relevanceKeywords%')";
} else {
$relevance['SiteTree'] = $relevance['File'] = 1;
$match['SiteTree'] = $match['File'] = "1 = 1";
}
// Generate initial queries and base table names
$baseClasses = array('SiteTree' => '', 'File' => '');
$queries = array();
foreach ($classesToSearch as $class) {
$queries[$class] = DataList::create($class)->where($notMatch . $match[$class] . $extraFilters[$class], "")->dataQuery()->query();
$fromArr = $queries[$class]->getFrom();
$baseClasses[$class] = reset($fromArr);
}
// Make column selection lists
$select = array(
'SiteTree' => array(
"\"ClassName\"",
"\"ID\"",
"\"ParentID\"",
"\"Title\"",
"\"URLSegment\"",
"\"Content\"",
"\"LastEdited\"",
"\"Created\"",
"NULL AS \"Name\"",
"\"CanViewType\"",
"$relevance[SiteTree] AS Relevance"
),
'File' => array(
"\"ClassName\"",
"\"ID\"",
"NULL AS \"ParentID\"",
"\"Title\"",
"NULL AS \"URLSegment\"",
"NULL AS \"Content\"",
"\"LastEdited\"",
"\"Created\"",
"\"Name\"",
"NULL AS \"CanViewType\"",
"$relevance[File] AS Relevance"
)
);
// Process queries
foreach ($classesToSearch as $class) {
// There's no need to do all that joining
$queries[$class]->setFrom($baseClasses[$class]);
$queries[$class]->setSelect(array());
foreach ($select[$class] as $clause) {
if (preg_match('/^(.*) +AS +"?([^"]*)"?/i', $clause, $matches)) {
$queries[$class]->selectField($matches[1], $matches[2]);
} else {
$queries[$class]->selectField(str_replace('"', '', $clause));
}
}
$queries[$class]->setOrderBy(array());
}
// Combine queries
$querySQLs = array();
$queryParameters = array();
$totalCount = 0;
foreach ($queries as $query) {
$querySQLs[] = $query->sql($parameters);
$queryParameters = array_merge($queryParameters, $parameters);
$totalCount += $query->unlimitedRowCount();
}
$fullQuery = implode(" UNION ", $querySQLs) . " ORDER BY $sortBy LIMIT $limit";
// Get records
$records = $this->preparedQuery($fullQuery, $queryParameters);
foreach ($records as $record) {
$objects[] = new $record['ClassName']($record);
}
if (isset($objects)) {
$doSet = new ArrayList($objects);
} else {
$doSet = new ArrayList();
}
$list = new PaginatedList($doSet);
$list->setPageStart($start);
$list->setPageLEngth($pageLength);
$list->setTotalItems($totalCount);
return $list;
}
/*
* Does this database support transactions?
*/
public function supportsTransactions()
{
return version_compare($this->getVersion(), '3.6', '>=');
}
public function supportsExtensions($extensions = array('partitions', 'tablespaces', 'clustering'))
{
if (isset($extensions['partitions'])) {
return true;
} elseif (isset($extensions['tablespaces'])) {
return true;
} elseif (isset($extensions['clustering'])) {
return true;
} else {
return false;
}
}
public function transactionStart($transaction_mode = false, $session_characteristics = false)
{
$this->query('BEGIN');
}
public function transactionSavepoint($savepoint)
{
$this->query("SAVEPOINT \"$savepoint\"");
}
public function transactionRollback($savepoint = false)
{
if ($savepoint) {
$this->query("ROLLBACK TO $savepoint;");
} else {
$this->query('ROLLBACK;');
}
}
public function transactionEnd($chain = false)
{
$this->query('COMMIT;');
}
public function clearTable($table)
{
$this->query("DELETE FROM \"$table\"");
}
public function comparisonClause($field, $value, $exact = false, $negate = false, $caseSensitive = null,
$parameterised = false
) {
if ($exact && !$caseSensitive) {
$comp = ($negate) ? '!=' : '=';
} else {
if ($caseSensitive) {
// GLOB uses asterisks as wildcards.
// Replace them in search string, without replacing escaped percetage signs.
$comp = 'GLOB';
$value = preg_replace('/^%([^\\\\])/', '*$1', $value);
$value = preg_replace('/([^\\\\])%$/', '$1*', $value);
$value = preg_replace('/([^\\\\])%/', '$1*', $value);
} else {
$comp = 'LIKE';
}
if ($negate) {
$comp = 'NOT ' . $comp;
}
}
if ($parameterised) {
return sprintf("%s %s ?", $field, $comp);
} else {
return sprintf("%s %s '%s'", $field, $comp, $value);
}
}
public function formattedDatetimeClause($date, $format)
{
preg_match_all('/%(.)/', $format, $matches);
foreach ($matches[1] as $match) {
if (array_search($match, array('Y', 'm', 'd', 'H', 'i', 's', 'U')) === false) {
user_error('formattedDatetimeClause(): unsupported format character %' . $match, E_USER_WARNING);
}
}
$translate = array(
'/%i/' => '%M',
'/%s/' => '%S',
'/%U/' => '%s',
);
$format = preg_replace(array_keys($translate), array_values($translate), $format);
$modifiers = array();
if ($format == '%s' && $date != 'now') {
$modifiers[] = 'utc';
}
if ($format != '%s' && $date == 'now') {
$modifiers[] = 'localtime';
}
if (preg_match('/^now$/i', $date)) {
$date = "'now'";
} elseif (preg_match('/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/i', $date)) {
$date = "'$date'";
}
$modifier = empty($modifiers) ? '' : ", '" . implode("', '", $modifiers) . "'";
return "strftime('$format', $date$modifier)";
}
public function datetimeIntervalClause($date, $interval)
{
$modifiers = array();
if ($date == 'now') {
$modifiers[] = 'localtime';
}
if (preg_match('/^now$/i', $date)) {
$date = "'now'";
} elseif (preg_match('/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/i', $date)) {
$date = "'$date'";
}
$modifier = empty($modifiers) ? '' : ", '" . implode("', '", $modifiers) . "'";
return "datetime($date$modifier, '$interval')";
}
public function datetimeDifferenceClause($date1, $date2)
{
$modifiers1 = array();
$modifiers2 = array();
if ($date1 == 'now') {
$modifiers1[] = 'localtime';
}
if ($date2 == 'now') {
$modifiers2[] = 'localtime';
}
if (preg_match('/^now$/i', $date1)) {
$date1 = "'now'";
} elseif (preg_match('/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/i', $date1)) {
$date1 = "'$date1'";
}
if (preg_match('/^now$/i', $date2)) {
$date2 = "'now'";
} elseif (preg_match('/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/i', $date2)) {
$date2 = "'$date2'";
}
$modifier1 = empty($modifiers1) ? '' : ", '" . implode("', '", $modifiers1) . "'";
$modifier2 = empty($modifiers2) ? '' : ", '" . implode("', '", $modifiers2) . "'";
return "strftime('%s', $date1$modifier1) - strftime('%s', $date2$modifier2)";
}
}

View File

@ -5,58 +5,70 @@
*
* @package SQLite3
*/
class SQLite3Query extends SS_Query {
class SQLite3Query extends SS_Query
{
/**
* The SQLite3Connector object that created this result set.
*
* @var SQLite3Connector
*/
protected $database;
/**
* The SQLite3Connector object that created this result set.
*
* @var SQLite3Connector
*/
protected $database;
/**
* The internal sqlite3 handle that points to the result set.
*
* @var SQLite3Result
*/
protected $handle;
/**
* The internal sqlite3 handle that points to the result set.
*
* @var SQLite3Result
*/
protected $handle;
/**
* Hook the result-set given into a Query class, suitable for use by framework.
* @param SQLite3Connector $database The database object that created this query.
* @param SQLite3Result $handle the internal sqlite3 handle that is points to the resultset.
*/
public function __construct(SQLite3Connector $database, SQLite3Result $handle) {
$this->database = $database;
$this->handle = $handle;
}
/**
* Hook the result-set given into a Query class, suitable for use by framework.
* @param SQLite3Connector $database The database object that created this query.
* @param SQLite3Result $handle the internal sqlite3 handle that is points to the resultset.
*/
public function __construct(SQLite3Connector $database, SQLite3Result $handle)
{
$this->database = $database;
$this->handle = $handle;
}
public function __destruct() {
if($this->handle) $this->handle->finalize();
}
public function __destruct()
{
if ($this->handle) {
$this->handle->finalize();
}
}
public function seek($row) {
$this->handle->reset();
$i=0;
while($i < $row && $row = @$this->handle->fetchArray()) $i++;
return true;
}
public function seek($row)
{
$this->handle->reset();
$i=0;
while ($i < $row && $row = @$this->handle->fetchArray()) {
$i++;
}
return true;
}
/**
* @todo This looks terrible but there is no SQLite3::get_num_rows() implementation
*/
public function numRecords() {
$c=0;
while($this->handle->fetchArray()) $c++;
$this->handle->reset();
return $c;
}
/**
* @todo This looks terrible but there is no SQLite3::get_num_rows() implementation
*/
public function numRecords()
{
$c=0;
while ($this->handle->fetchArray()) {
$c++;
}
$this->handle->reset();
return $c;
}
public function nextRecord() {
if($data = $this->handle->fetchArray(SQLITE3_ASSOC)) {
return $data;
} else {
return false;
}
}
public function nextRecord()
{
if ($data = $this->handle->fetchArray(SQLITE3_ASSOC)) {
return $data;
} else {
return false;
}
}
}

View File

@ -5,90 +5,94 @@
*
* @package SQLite3
*/
class SQLite3QueryBuilder extends DBQueryBuilder {
/**
* @param SQLInsert $query
* @param array $parameters
* @return string
*/
protected function buildInsertQuery(SQLInsert $query, array &$parameters) {
// Multi-row insert requires SQLite specific syntax prior to 3.7.11
// For backwards compatibility reasons include the "union all select" syntax
$nl = $this->getSeparator();
$into = $query->getInto();
// Column identifiers
$columns = $query->getColumns();
// Build all rows
$rowParts = array();
foreach($query->getRows() as $row) {
// Build all columns in this row
$assignments = $row->getAssignments();
// Join SET components together, considering parameters
$parts = array();
foreach($columns as $column) {
// Check if this column has a value for this row
if(isset($assignments[$column])) {
// Assigment is a single item array, expand with a loop here
foreach($assignments[$column] as $assignmentSQL => $assignmentParameters) {
$parts[] = $assignmentSQL;
$parameters = array_merge($parameters, $assignmentParameters);
break;
}
} else {
// This row is missing a value for a column used by another row
$parts[] = '?';
$parameters[] = null;
}
}
$rowParts[] = implode(', ', $parts);
}
$columnSQL = implode(', ', $columns);
$sql = "INSERT INTO {$into}{$nl}($columnSQL){$nl}SELECT " . implode("{$nl}UNION ALL SELECT ", $rowParts);
return $sql;
}
class SQLite3QueryBuilder extends DBQueryBuilder
{
/**
* @param SQLInsert $query
* @param array $parameters
* @return string
*/
protected function buildInsertQuery(SQLInsert $query, array &$parameters)
{
// Multi-row insert requires SQLite specific syntax prior to 3.7.11
// For backwards compatibility reasons include the "union all select" syntax
/**
* Return the LIMIT clause ready for inserting into a query.
*
* @param SQLSelect $query The expression object to build from
* @param array $parameters Out parameter for the resulting query parameters
* @return string The finalised limit SQL fragment
*/
public function buildLimitFragment(SQLSelect $query, array &$parameters) {
$nl = $this->getSeparator();
$nl = $this->getSeparator();
$into = $query->getInto();
// Column identifiers
$columns = $query->getColumns();
// Build all rows
$rowParts = array();
foreach ($query->getRows() as $row) {
// Build all columns in this row
$assignments = $row->getAssignments();
// Join SET components together, considering parameters
$parts = array();
foreach ($columns as $column) {
// Check if this column has a value for this row
if (isset($assignments[$column])) {
// Assigment is a single item array, expand with a loop here
foreach ($assignments[$column] as $assignmentSQL => $assignmentParameters) {
$parts[] = $assignmentSQL;
$parameters = array_merge($parameters, $assignmentParameters);
break;
}
} else {
// This row is missing a value for a column used by another row
$parts[] = '?';
$parameters[] = null;
}
}
$rowParts[] = implode(', ', $parts);
}
$columnSQL = implode(', ', $columns);
$sql = "INSERT INTO {$into}{$nl}($columnSQL){$nl}SELECT " . implode("{$nl}UNION ALL SELECT ", $rowParts);
return $sql;
}
// Ensure limit is given
$limit = $query->getLimit();
if(empty($limit)) return '';
/**
* Return the LIMIT clause ready for inserting into a query.
*
* @param SQLSelect $query The expression object to build from
* @param array $parameters Out parameter for the resulting query parameters
* @return string The finalised limit SQL fragment
*/
public function buildLimitFragment(SQLSelect $query, array &$parameters)
{
$nl = $this->getSeparator();
// For literal values return this as the limit SQL
if( ! is_array($limit)) {
return "{$nl}LIMIT $limit";
}
// Ensure limit is given
$limit = $query->getLimit();
if (empty($limit)) {
return '';
}
// Assert that the array version provides the 'limit' key
if( ! array_key_exists('limit', $limit) || ($limit['limit'] !== null && ! is_numeric($limit['limit']))) {
throw new InvalidArgumentException(
'SQLite3QueryBuilder::buildLimitSQL(): Wrong format for $limit: '. var_export($limit, true)
);
}
// For literal values return this as the limit SQL
if (! is_array($limit)) {
return "{$nl}LIMIT $limit";
}
$clause = "{$nl}";
if($limit['limit'] !== null) {
$clause .= "LIMIT {$limit['limit']} ";
} else {
$clause .= "LIMIT -1 ";
}
if(isset($limit['start']) && is_numeric($limit['start']) && $limit['start'] !== 0) {
$clause .= "OFFSET {$limit['start']}";
}
return $clause;
}
// Assert that the array version provides the 'limit' key
if (! array_key_exists('limit', $limit) || ($limit['limit'] !== null && ! is_numeric($limit['limit']))) {
throw new InvalidArgumentException(
'SQLite3QueryBuilder::buildLimitSQL(): Wrong format for $limit: '. var_export($limit, true)
);
}
$clause = "{$nl}";
if ($limit['limit'] !== null) {
$clause .= "LIMIT {$limit['limit']} ";
} else {
$clause .= "LIMIT -1 ";
}
if (isset($limit['start']) && is_numeric($limit['start']) && $limit['start'] !== 0) {
$clause .= "OFFSET {$limit['start']}";
}
return $clause;
}
}

View File

@ -5,611 +5,690 @@
*
* @package SQLite3
*/
class SQLite3SchemaManager extends DBSchemaManager {
class SQLite3SchemaManager extends DBSchemaManager
{
/**
* Instance of the database controller this schema belongs to
*
* @var SQLite3Database
*/
protected $database = null;
/**
* Instance of the database controller this schema belongs to
*
* @var SQLite3Database
*/
protected $database = null;
/**
* Flag indicating whether or not the database has been checked and repaired
*
* @var boolean
*/
protected static $checked_and_repaired = false;
/**
* Flag indicating whether or not the database has been checked and repaired
*
* @var boolean
*/
protected static $checked_and_repaired = false;
/**
* Should schema be vacuumed during checkeAndRepairTable?
*
* @var boolean
*/
public static $vacuum = true;
public function createDatabase($name) {
// Ensure that any existing database is cleared before connection
$this->dropDatabase($name);
}
/**
* Should schema be vacuumed during checkeAndRepairTable?
*
* @var boolean
*/
public static $vacuum = true;
public function createDatabase($name)
{
// Ensure that any existing database is cleared before connection
$this->dropDatabase($name);
}
public function dropDatabase($name) {
// No need to delete database files if operating purely within memory
if($this->database->getLivesInMemory()) return;
// If using file based database ensure any existing file is removed
$parameters = $this->database->getParameters();
$fullpath = $parameters['path'] . '/' . $name;
if(is_writable($fullpath)) unlink($fullpath);
}
function databaseList() {
$parameters = $this->database->getParameters();
// If in-memory use the current database name only
if($this->database->getLivesInMemory()) {
return array($parameters['database']);
}
// If using file based database enumerate files in the database directory
$directory = $parameters['path'];
$files = scandir($directory);
// Filter each file in this directory
$databases = array();
if($files !== false) foreach($files as $file) {
// Filter non-files
if(!is_file("$directory/$file")) continue;
// Filter those with correct extension
if(!SQLite3Database::is_valid_database_name($file)) continue;
$databases[] = $file;
}
return $databases;
}
public function dropDatabase($name)
{
// No need to delete database files if operating purely within memory
if ($this->database->getLivesInMemory()) {
return;
}
// If using file based database ensure any existing file is removed
$parameters = $this->database->getParameters();
$fullpath = $parameters['path'] . '/' . $name;
if (is_writable($fullpath)) {
unlink($fullpath);
}
}
public function databaseList()
{
$parameters = $this->database->getParameters();
// If in-memory use the current database name only
if ($this->database->getLivesInMemory()) {
return array($parameters['database']);
}
// If using file based database enumerate files in the database directory
$directory = $parameters['path'];
$files = scandir($directory);
// Filter each file in this directory
$databases = array();
if ($files !== false) {
foreach ($files as $file) {
// Filter non-files
if (!is_file("$directory/$file")) {
continue;
}
// Filter those with correct extension
if (!SQLite3Database::is_valid_database_name($file)) {
continue;
}
$databases[] = $file;
}
}
return $databases;
}
public function databaseExists($name) {
$databases = $this->databaseList();
return in_array($name, $databases);
}
/**
* Empties any cached enum values
*/
public function flushCache() {
$this->enum_map = array();
}
function schemaUpdate($callback) {
// Set locking mode
$this->database->setPragma('locking_mode', 'EXCLUSIVE');
$this->checkAndRepairTable();
$this->flushCache();
// Initiate schema update
$error = null;
try {
parent::schemaUpdate($callback);
} catch(Exception $ex) {
$error = $ex;
}
// Revert locking mode
$this->database->setPragma('locking_mode', SQLite3Database::$default_pragma['locking_mode']);
if($error) throw $error;
}
public function databaseExists($name)
{
$databases = $this->databaseList();
return in_array($name, $databases);
}
/**
* Empties any cached enum values
*/
public function flushCache()
{
$this->enum_map = array();
}
public function schemaUpdate($callback)
{
// Set locking mode
$this->database->setPragma('locking_mode', 'EXCLUSIVE');
$this->checkAndRepairTable();
$this->flushCache();
// Initiate schema update
$error = null;
try {
parent::schemaUpdate($callback);
} catch (Exception $ex) {
$error = $ex;
}
// Revert locking mode
$this->database->setPragma('locking_mode', SQLite3Database::$default_pragma['locking_mode']);
if ($error) {
throw $error;
}
}
/**
* Empty a specific table
*
* @param string $table
*/
public function clearTable($table) {
if($table != 'SQLiteEnums') $this->dbConn->query("DELETE FROM \"$table\"");
}
/**
* Empty a specific table
*
* @param string $table
*/
public function clearTable($table)
{
if ($table != 'SQLiteEnums') {
$this->dbConn->query("DELETE FROM \"$table\"");
}
}
public function createTable($table, $fields = null, $indexes = null, $options = null, $advancedOptions = null) {
if(!isset($fields['ID'])) $fields['ID'] = $this->IdColumn();
public function createTable($table, $fields = null, $indexes = null, $options = null, $advancedOptions = null)
{
if (!isset($fields['ID'])) {
$fields['ID'] = $this->IdColumn();
}
$fieldSchemata = array();
if($fields) foreach($fields as $k => $v) {
$fieldSchemata[] = "\"$k\" $v";
}
$fieldSchemas = implode(",\n", $fieldSchemata);
$fieldSchemata = array();
if ($fields) {
foreach ($fields as $k => $v) {
$fieldSchemata[] = "\"$k\" $v";
}
}
$fieldSchemas = implode(",\n", $fieldSchemata);
// Switch to "CREATE TEMPORARY TABLE" for temporary tables
$temporary = empty($options['temporary']) ? "" : "TEMPORARY";
$this->query("CREATE $temporary TABLE \"$table\" (
// Switch to "CREATE TEMPORARY TABLE" for temporary tables
$temporary = empty($options['temporary']) ? "" : "TEMPORARY";
$this->query("CREATE $temporary TABLE \"$table\" (
$fieldSchemas
)");
if($indexes) {
foreach($indexes as $indexName => $indexDetails) {
$this->createIndex($table, $indexName, $indexDetails);
}
}
if ($indexes) {
foreach ($indexes as $indexName => $indexDetails) {
$this->createIndex($table, $indexName, $indexDetails);
}
}
return $table;
}
return $table;
}
public function alterTable($tableName, $newFields = null, $newIndexes = null, $alteredFields = null,
$alteredIndexes = null, $alteredOptions = null, $advancedOptions = null
) {
if($newFields) foreach($newFields as $fieldName => $fieldSpec) {
$this->createField($tableName, $fieldName, $fieldSpec);
}
public function alterTable($tableName, $newFields = null, $newIndexes = null, $alteredFields = null,
$alteredIndexes = null, $alteredOptions = null, $advancedOptions = null
) {
if ($newFields) {
foreach ($newFields as $fieldName => $fieldSpec) {
$this->createField($tableName, $fieldName, $fieldSpec);
}
}
if($alteredFields) foreach($alteredFields as $fieldName => $fieldSpec) {
$this->alterField($tableName, $fieldName, $fieldSpec);
}
if ($alteredFields) {
foreach ($alteredFields as $fieldName => $fieldSpec) {
$this->alterField($tableName, $fieldName, $fieldSpec);
}
}
if($newIndexes) foreach($newIndexes as $indexName => $indexSpec) {
$this->createIndex($tableName, $indexName, $indexSpec);
}
if ($newIndexes) {
foreach ($newIndexes as $indexName => $indexSpec) {
$this->createIndex($tableName, $indexName, $indexSpec);
}
}
if($alteredIndexes) foreach($alteredIndexes as $indexName => $indexSpec) {
$this->alterIndex($tableName, $indexName, $indexSpec);
}
}
public function renameTable($oldTableName, $newTableName) {
$this->query("ALTER TABLE \"$oldTableName\" RENAME TO \"$newTableName\"");
}
if ($alteredIndexes) {
foreach ($alteredIndexes as $indexName => $indexSpec) {
$this->alterIndex($tableName, $indexName, $indexSpec);
}
}
}
public function renameTable($oldTableName, $newTableName)
{
$this->query("ALTER TABLE \"$oldTableName\" RENAME TO \"$newTableName\"");
}
public function checkAndRepairTable($tableName = null) {
$ok = true;
public function checkAndRepairTable($tableName = null)
{
$ok = true;
if(!SapphireTest::using_temp_db() && !self::$checked_and_repaired) {
$this->alterationMessage("Checking database integrity", "repaired");
// Check for any tables with failed integrity
if($messages = $this->query('PRAGMA integrity_check')) {
foreach($messages as $message) if($message['integrity_check'] != 'ok') {
Debug::show($message['integrity_check']);
$ok = false;
}
}
// If enabled vacuum (clean and rebuild) the database
if(self::$vacuum) {
$this->query('VACUUM', E_USER_NOTICE);
$message = $this->database->getConnector()->getLastError();
if(preg_match('/authoriz/', $message)) {
$this->alterationMessage("VACUUM | $message", "error");
} else {
$this->alterationMessage("VACUUMing", "repaired");
}
}
self::$checked_and_repaired = true;
}
return $ok;
}
if (!SapphireTest::using_temp_db() && !self::$checked_and_repaired) {
$this->alterationMessage("Checking database integrity", "repaired");
// Check for any tables with failed integrity
if ($messages = $this->query('PRAGMA integrity_check')) {
foreach ($messages as $message) {
if ($message['integrity_check'] != 'ok') {
Debug::show($message['integrity_check']);
$ok = false;
}
}
}
// If enabled vacuum (clean and rebuild) the database
if (self::$vacuum) {
$this->query('VACUUM', E_USER_NOTICE);
$message = $this->database->getConnector()->getLastError();
if (preg_match('/authoriz/', $message)) {
$this->alterationMessage("VACUUM | $message", "error");
} else {
$this->alterationMessage("VACUUMing", "repaired");
}
}
self::$checked_and_repaired = true;
}
return $ok;
}
public function createField($table, $field, $spec) {
$this->query("ALTER TABLE \"$table\" ADD \"$field\" $spec");
}
public function createField($table, $field, $spec)
{
$this->query("ALTER TABLE \"$table\" ADD \"$field\" $spec");
}
/**
* Change the database type of the given field.
* @param string $tableName The name of the tbale the field is in.
* @param string $fieldName The name of the field to change.
* @param string $fieldSpec The new field specification
*/
public function alterField($tableName, $fieldName, $fieldSpec) {
$oldFieldList = $this->fieldList($tableName);
$fieldNameList = '"' . implode('","', array_keys($oldFieldList)) . '"';
/**
* Change the database type of the given field.
* @param string $tableName The name of the tbale the field is in.
* @param string $fieldName The name of the field to change.
* @param string $fieldSpec The new field specification
*/
public function alterField($tableName, $fieldName, $fieldSpec)
{
$oldFieldList = $this->fieldList($tableName);
$fieldNameList = '"' . implode('","', array_keys($oldFieldList)) . '"';
if(!empty($_REQUEST['avoidConflict']) && Director::isDev()) {
$fieldSpec = preg_replace('/\snot null\s/i', ' NOT NULL ON CONFLICT REPLACE ', $fieldSpec);
}
if (!empty($_REQUEST['avoidConflict']) && Director::isDev()) {
$fieldSpec = preg_replace('/\snot null\s/i', ' NOT NULL ON CONFLICT REPLACE ', $fieldSpec);
}
// Skip non-existing columns
if(!array_key_exists($fieldName, $oldFieldList)) return;
// Skip non-existing columns
if (!array_key_exists($fieldName, $oldFieldList)) {
return;
}
// Update field spec
$newColsSpec = array();
foreach($oldFieldList as $name => $oldSpec) {
$newColsSpec[] = "\"$name\" " . ($name == $fieldName ? $fieldSpec : $oldSpec);
}
// Update field spec
$newColsSpec = array();
foreach ($oldFieldList as $name => $oldSpec) {
$newColsSpec[] = "\"$name\" " . ($name == $fieldName ? $fieldSpec : $oldSpec);
}
$queries = array(
"BEGIN TRANSACTION",
"CREATE TABLE \"{$tableName}_alterfield_{$fieldName}\"(" . implode(',', $newColsSpec) . ")",
"INSERT INTO \"{$tableName}_alterfield_{$fieldName}\" SELECT {$fieldNameList} FROM \"$tableName\"",
"DROP TABLE \"$tableName\"",
"ALTER TABLE \"{$tableName}_alterfield_{$fieldName}\" RENAME TO \"$tableName\"",
"COMMIT"
);
$queries = array(
"BEGIN TRANSACTION",
"CREATE TABLE \"{$tableName}_alterfield_{$fieldName}\"(" . implode(',', $newColsSpec) . ")",
"INSERT INTO \"{$tableName}_alterfield_{$fieldName}\" SELECT {$fieldNameList} FROM \"$tableName\"",
"DROP TABLE \"$tableName\"",
"ALTER TABLE \"{$tableName}_alterfield_{$fieldName}\" RENAME TO \"$tableName\"",
"COMMIT"
);
// Remember original indexes
$indexList = $this->indexList($tableName);
// Then alter the table column
foreach($queries as $query) $this->query($query.';');
// Remember original indexes
$indexList = $this->indexList($tableName);
// Then alter the table column
foreach ($queries as $query) {
$this->query($query.';');
}
// Recreate the indexes
foreach($indexList as $indexName => $indexSpec) {
$this->createIndex($tableName, $indexName, $indexSpec);
}
}
// Recreate the indexes
foreach ($indexList as $indexName => $indexSpec) {
$this->createIndex($tableName, $indexName, $indexSpec);
}
}
public function renameField($tableName, $oldName, $newName) {
$oldFieldList = $this->fieldList($tableName);
public function renameField($tableName, $oldName, $newName)
{
$oldFieldList = $this->fieldList($tableName);
// Skip non-existing columns
if(!array_key_exists($oldName, $oldFieldList)) return;
// Determine column mappings
$oldCols = array();
$newColsSpec = array();
foreach($oldFieldList as $name => $spec) {
$oldCols[] = "\"$name\"" . (($name == $oldName) ? " AS $newName" : '');
$newColsSpec[] = "\"" . (($name == $oldName) ? $newName : $name) . "\" $spec";
}
// Skip non-existing columns
if (!array_key_exists($oldName, $oldFieldList)) {
return;
}
// Determine column mappings
$oldCols = array();
$newColsSpec = array();
foreach ($oldFieldList as $name => $spec) {
$oldCols[] = "\"$name\"" . (($name == $oldName) ? " AS $newName" : '');
$newColsSpec[] = "\"" . (($name == $oldName) ? $newName : $name) . "\" $spec";
}
// SQLite doesn't support direct renames through ALTER TABLE
$queries = array(
"BEGIN TRANSACTION",
"CREATE TABLE \"{$tableName}_renamefield_{$oldName}\" (" . implode(',', $newColsSpec) . ")",
"INSERT INTO \"{$tableName}_renamefield_{$oldName}\" SELECT " . implode(',', $oldCols) . " FROM \"$tableName\"",
"DROP TABLE \"$tableName\"",
"ALTER TABLE \"{$tableName}_renamefield_{$oldName}\" RENAME TO \"$tableName\"",
"COMMIT"
);
// SQLite doesn't support direct renames through ALTER TABLE
$queries = array(
"BEGIN TRANSACTION",
"CREATE TABLE \"{$tableName}_renamefield_{$oldName}\" (" . implode(',', $newColsSpec) . ")",
"INSERT INTO \"{$tableName}_renamefield_{$oldName}\" SELECT " . implode(',', $oldCols) . " FROM \"$tableName\"",
"DROP TABLE \"$tableName\"",
"ALTER TABLE \"{$tableName}_renamefield_{$oldName}\" RENAME TO \"$tableName\"",
"COMMIT"
);
// Remember original indexes
$oldIndexList = $this->indexList($tableName);
// Remember original indexes
$oldIndexList = $this->indexList($tableName);
// Then alter the table column
foreach($queries as $query) $this->query($query.';');
// Then alter the table column
foreach ($queries as $query) {
$this->query($query.';');
}
// Recreate the indexes
foreach($oldIndexList as $indexName => $indexSpec) {
// Rename columns to new columns
$indexSpec['value'] = preg_replace("/\"$oldName\"/i", "\"$newName\"", $indexSpec['value']);
$this->createIndex($tableName, $indexName, $indexSpec);
}
}
// Recreate the indexes
foreach ($oldIndexList as $indexName => $indexSpec) {
// Rename columns to new columns
$indexSpec['value'] = preg_replace("/\"$oldName\"/i", "\"$newName\"", $indexSpec['value']);
$this->createIndex($tableName, $indexName, $indexSpec);
}
}
public function fieldList($table) {
$sqlCreate = $this->preparedQuery(
'SELECT sql FROM sqlite_master WHERE type = ? AND name = ?',
array('table', $table)
)->record();
$fieldList = array();
if($sqlCreate && $sqlCreate['sql']) {
preg_match('/^[\s]*CREATE[\s]+TABLE[\s]+[\'"]?[a-zA-Z0-9_\\\]+[\'"]?[\s]*\((.+)\)[\s]*$/ims',
$sqlCreate['sql'], $matches
);
$fields = isset($matches[1])
? preg_split('/,(?=(?:[^\'"]*$)|(?:[^\'"]*[\'"][^\'"]*[\'"][^\'"]*)*$)/x', $matches[1])
: array();
foreach($fields as $field) {
$details = preg_split('/\s/', trim($field));
$name = array_shift($details);
$name = str_replace('"', '', trim($name));
$fieldList[$name] = implode(' ', $details);
}
}
return $fieldList;
}
public function fieldList($table)
{
$sqlCreate = $this->preparedQuery(
'SELECT sql FROM sqlite_master WHERE type = ? AND name = ?',
array('table', $table)
)->record();
$fieldList = array();
if ($sqlCreate && $sqlCreate['sql']) {
preg_match('/^[\s]*CREATE[\s]+TABLE[\s]+[\'"]?[a-zA-Z0-9_\\\]+[\'"]?[\s]*\((.+)\)[\s]*$/ims',
$sqlCreate['sql'], $matches
);
$fields = isset($matches[1])
? preg_split('/,(?=(?:[^\'"]*$)|(?:[^\'"]*[\'"][^\'"]*[\'"][^\'"]*)*$)/x', $matches[1])
: array();
foreach ($fields as $field) {
$details = preg_split('/\s/', trim($field));
$name = array_shift($details);
$name = str_replace('"', '', trim($name));
$fieldList[$name] = implode(' ', $details);
}
}
return $fieldList;
}
/**
* Create an index on a table.
*
* @param string $tableName The name of the table.
* @param string $indexName The name of the index.
* @param array $indexSpec The specification of the index, see Database::requireIndex() for more details.
*/
public function createIndex($tableName, $indexName, $indexSpec) {
$parsedSpec = $this->parseIndexSpec($indexName, $indexSpec);
$sqliteName = $this->buildSQLiteIndexName($tableName, $indexName);
$columns = $parsedSpec['value'];
$unique = ($parsedSpec['type'] == 'unique') ? 'UNIQUE' : '';
$this->query("CREATE $unique INDEX IF NOT EXISTS \"$sqliteName\" ON \"$tableName\" ($columns)");
}
/**
* Create an index on a table.
*
* @param string $tableName The name of the table.
* @param string $indexName The name of the index.
* @param array $indexSpec The specification of the index, see Database::requireIndex() for more details.
*/
public function createIndex($tableName, $indexName, $indexSpec)
{
$parsedSpec = $this->parseIndexSpec($indexName, $indexSpec);
$sqliteName = $this->buildSQLiteIndexName($tableName, $indexName);
$columns = $parsedSpec['value'];
$unique = ($parsedSpec['type'] == 'unique') ? 'UNIQUE' : '';
$this->query("CREATE $unique INDEX IF NOT EXISTS \"$sqliteName\" ON \"$tableName\" ($columns)");
}
public function alterIndex($tableName, $indexName, $indexSpec) {
// Drop existing index
$sqliteName = $this->buildSQLiteIndexName($tableName, $indexName);
$this->query("DROP INDEX IF EXISTS \"$sqliteName\"");
// Create the index
$this->createIndex($tableName, $indexName, $indexSpec);
}
/**
* Builds the internal SQLLite index name given the silverstripe table and index name.
*
* The name is built using the table and index name in order to prevent name collisions
* between indexes of the same name across multiple tables
*
* @param string $tableName
* @param string $indexName
* @return string The SQLite3 name of the index
*/
protected function buildSQLiteIndexName($tableName, $indexName) {
return "{$tableName}_{$indexName}";
}
protected function parseIndexSpec($name, $spec) {
$spec = parent::parseIndexSpec($name, $spec);
// Only allow index / unique index types
if(!in_array($spec['type'], array('index', 'unique'))) {
$spec['type'] = 'index';
}
return $spec;
}
public function indexKey($table, $index, $spec) {
return $this->buildSQLiteIndexName($table, $index);
}
public function alterIndex($tableName, $indexName, $indexSpec)
{
// Drop existing index
$sqliteName = $this->buildSQLiteIndexName($tableName, $indexName);
$this->query("DROP INDEX IF EXISTS \"$sqliteName\"");
// Create the index
$this->createIndex($tableName, $indexName, $indexSpec);
}
/**
* Builds the internal SQLLite index name given the silverstripe table and index name.
*
* The name is built using the table and index name in order to prevent name collisions
* between indexes of the same name across multiple tables
*
* @param string $tableName
* @param string $indexName
* @return string The SQLite3 name of the index
*/
protected function buildSQLiteIndexName($tableName, $indexName)
{
return "{$tableName}_{$indexName}";
}
protected function parseIndexSpec($name, $spec)
{
$spec = parent::parseIndexSpec($name, $spec);
// Only allow index / unique index types
if (!in_array($spec['type'], array('index', 'unique'))) {
$spec['type'] = 'index';
}
return $spec;
}
public function indexKey($table, $index, $spec)
{
return $this->buildSQLiteIndexName($table, $index);
}
public function indexList($table) {
$indexList = array();
// Enumerate each index and related fields
foreach($this->query("PRAGMA index_list(\"$table\")") as $index) {
// The SQLite internal index name, not the actual Silverstripe name
$indexName = $index["name"];
$indexType = $index['unique'] ? 'unique' : 'index';
// Determine a clean list of column names within this index
$list = array();
foreach($this->query("PRAGMA index_info(\"$indexName\")") as $details) {
$list[] = preg_replace('/^"?(.*)"?$/', '$1', $details['name']);
}
// Safely encode this spec
$indexList[$indexName] = $this->parseIndexSpec($indexName, array(
'name' => $indexName,
'value' => $this->implodeColumnList($list),
'type' => $indexType
));
}
public function indexList($table)
{
$indexList = array();
// Enumerate each index and related fields
foreach ($this->query("PRAGMA index_list(\"$table\")") as $index) {
// The SQLite internal index name, not the actual Silverstripe name
$indexName = $index["name"];
$indexType = $index['unique'] ? 'unique' : 'index';
// Determine a clean list of column names within this index
$list = array();
foreach ($this->query("PRAGMA index_info(\"$indexName\")") as $details) {
$list[] = preg_replace('/^"?(.*)"?$/', '$1', $details['name']);
}
// Safely encode this spec
$indexList[$indexName] = $this->parseIndexSpec($indexName, array(
'name' => $indexName,
'value' => $this->implodeColumnList($list),
'type' => $indexType
));
}
return $indexList;
}
return $indexList;
}
public function tableList() {
$tables = array();
$result = $this->preparedQuery('SELECT name FROM sqlite_master WHERE type = ?', array('table'));
foreach($result as $record) {
$table = reset($record);
$tables[strtolower($table)] = $table;
}
return $tables;
}
/**
* Return a boolean type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function boolean($values) {
$default = empty($values['default']) ? 0 : (int)$values['default'];
return "BOOL NOT NULL DEFAULT $default";
}
public function tableList()
{
$tables = array();
$result = $this->preparedQuery('SELECT name FROM sqlite_master WHERE type = ?', array('table'));
foreach ($result as $record) {
$table = reset($record);
$tables[strtolower($table)] = $table;
}
return $tables;
}
/**
* Return a boolean type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function boolean($values)
{
$default = empty($values['default']) ? 0 : (int)$values['default'];
return "BOOL NOT NULL DEFAULT $default";
}
/**
* Return a date type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function date($values){
return "TEXT";
}
/**
* Return a date type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function date($values)
{
return "TEXT";
}
/**
* Return a decimal type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function decimal($values, $asDbValue = false) {
$default = isset($values['default']) && is_numeric($values['default']) ? $values['default'] : 0;
return "NUMERIC NOT NULL DEFAULT $default";
}
/**
* Return a decimal type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function decimal($values, $asDbValue = false)
{
$default = isset($values['default']) && is_numeric($values['default']) ? $values['default'] : 0;
return "NUMERIC NOT NULL DEFAULT $default";
}
/**
* Cached list of enum values indexed by table.column
*
* @var array
*/
protected $enum_map = array();
/**
* Return a enum type-formatted string
*
* enums are not supported. as a workaround to store allowed values we creates an additional table
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function enum($values){
$tablefield = $values['table'] . '.' . $values['name'];
$enumValues = implode(',', $values['enums']);
// Ensure the cache table exists
if(empty($this->enum_map)) {
$this->query("CREATE TABLE IF NOT EXISTS \"SQLiteEnums\" (\"TableColumn\" TEXT PRIMARY KEY, \"EnumList\" TEXT)");
}
// Ensure the table row exists
if(empty($this->enum_map[$tablefield]) || $this->enum_map[$tablefield] != $enumValues) {
$this->preparedQuery(
"REPLACE INTO SQLiteEnums (TableColumn, EnumList) VALUES (?, ?)",
array($tablefield, $enumValues)
);
$this->enum_map[$tablefield] = $enumValues;
}
// Set default
if(!empty($values['default'])) {
$default = str_replace(array('"',"'","\\","\0"), "", $values['default']);
return "TEXT DEFAULT '$default'";
} else {
return 'TEXT';
}
}
/**
* Return a set type-formatted string
* This type doesn't exist in SQLite either
*
* @see SQLite3SchemaManager::enum()
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function set($values) {
return $this->enum($values);
}
/**
* Cached list of enum values indexed by table.column
*
* @var array
*/
protected $enum_map = array();
/**
* Return a enum type-formatted string
*
* enums are not supported. as a workaround to store allowed values we creates an additional table
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function enum($values)
{
$tablefield = $values['table'] . '.' . $values['name'];
$enumValues = implode(',', $values['enums']);
// Ensure the cache table exists
if (empty($this->enum_map)) {
$this->query("CREATE TABLE IF NOT EXISTS \"SQLiteEnums\" (\"TableColumn\" TEXT PRIMARY KEY, \"EnumList\" TEXT)");
}
// Ensure the table row exists
if (empty($this->enum_map[$tablefield]) || $this->enum_map[$tablefield] != $enumValues) {
$this->preparedQuery(
"REPLACE INTO SQLiteEnums (TableColumn, EnumList) VALUES (?, ?)",
array($tablefield, $enumValues)
);
$this->enum_map[$tablefield] = $enumValues;
}
// Set default
if (!empty($values['default'])) {
$default = str_replace(array('"', "'", "\\", "\0"), "", $values['default']);
return "TEXT DEFAULT '$default'";
} else {
return 'TEXT';
}
}
/**
* Return a set type-formatted string
* This type doesn't exist in SQLite either
*
* @see SQLite3SchemaManager::enum()
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function set($values)
{
return $this->enum($values);
}
/**
* Return a float type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function float($values, $asDbValue = false){
return "REAL";
}
/**
* Return a float type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function float($values, $asDbValue = false)
{
return "REAL";
}
/**
* Return a Double type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function double($values, $asDbValue = false){
return "REAL";
}
/**
* Return a Double type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function double($values, $asDbValue = false)
{
return "REAL";
}
/**
* Return a int type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function int($values, $asDbValue = false){
return "INTEGER({$values['precision']}) " . strtoupper($values['null']) . " DEFAULT " . (int)$values['default'];
}
/**
* Return a int type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function int($values, $asDbValue = false)
{
return "INTEGER({$values['precision']}) " . strtoupper($values['null']) . " DEFAULT " . (int)$values['default'];
}
/**
* Return a bigint type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function bigint($values, $asDbValue = false){
return $this->int($values, $asDbValue);
}
/**
* Return a bigint type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function bigint($values, $asDbValue = false)
{
return $this->int($values, $asDbValue);
}
/**
* Return a datetime type-formatted string
* For SQLite3, we simply return the word 'TEXT', no other parameters are necessary
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function ss_datetime($values, $asDbValue = false) {
return "DATETIME";
}
/**
* Return a datetime type-formatted string
* For SQLite3, we simply return the word 'TEXT', no other parameters are necessary
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function ss_datetime($values, $asDbValue = false)
{
return "DATETIME";
}
/**
* Return a text type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function text($values, $asDbValue = false) {
return 'TEXT';
}
/**
* Return a text type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function text($values, $asDbValue = false)
{
return 'TEXT';
}
/**
* Return a time type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function time($values) {
return "TEXT";
}
/**
* Return a time type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function time($values)
{
return "TEXT";
}
/**
* Return a varchar type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function varchar($values, $asDbValue = false) {
return "VARCHAR({$values['precision']}) COLLATE NOCASE";
}
/**
* Return a varchar type-formatted string
*
* @params array $values Contains a tokenised list of info about this data type
* @return string
*/
public function varchar($values, $asDbValue = false)
{
return "VARCHAR({$values['precision']}) COLLATE NOCASE";
}
/*
* Return a 4 digit numeric type. MySQL has a proprietary 'Year' type.
* For SQLite3 we use TEXT
*/
public function year($values, $asDbValue = false){
return "TEXT";
}
/*
* Return a 4 digit numeric type. MySQL has a proprietary 'Year' type.
* For SQLite3 we use TEXT
*/
public function year($values, $asDbValue = false)
{
return "TEXT";
}
public function IdColumn($asDbValue = false, $hasAutoIncPK = true){
return 'INTEGER PRIMARY KEY AUTOINCREMENT';
}
public function IdColumn($asDbValue = false, $hasAutoIncPK = true)
{
return 'INTEGER PRIMARY KEY AUTOINCREMENT';
}
function hasTable($tableName) {
return (bool)$this->preparedQuery(
'SELECT name FROM sqlite_master WHERE type = ? AND name = ?',
array('table', $tableName)
)->first();
}
public function hasTable($tableName)
{
return (bool)$this->preparedQuery(
'SELECT name FROM sqlite_master WHERE type = ? AND name = ?',
array('table', $tableName)
)->first();
}
/**
* Return enum values for the given field
*
* @return array
*/
public function enumValuesForField($tableName, $fieldName) {
$tablefield = "$tableName.$fieldName";
// Check already cached values for this field
if(!empty($this->enum_map[$tablefield])) {
return explode(',', $this->enum_map[$tablefield]);
}
// Retrieve and cache these details from the database
$classnameinfo = $this->preparedQuery(
"SELECT EnumList FROM SQLiteEnums WHERE TableColumn = ?",
array($tablefield)
)->first();
if($classnameinfo) {
$valueList = $classnameinfo['EnumList'];
$this->enum_map[$tablefield] = $valueList;
return explode(',', $valueList);
}
// Fallback to empty list
return array();
}
function dbDataType($type){
$values = array(
'unsigned integer' => 'INT'
);
if(isset($values[$type])) return $values[$type];
else return '';
}
/**
* Return enum values for the given field
*
* @return array
*/
public function enumValuesForField($tableName, $fieldName)
{
$tablefield = "$tableName.$fieldName";
// Check already cached values for this field
if (!empty($this->enum_map[$tablefield])) {
return explode(',', $this->enum_map[$tablefield]);
}
// Retrieve and cache these details from the database
$classnameinfo = $this->preparedQuery(
"SELECT EnumList FROM SQLiteEnums WHERE TableColumn = ?",
array($tablefield)
)->first();
if ($classnameinfo) {
$valueList = $classnameinfo['EnumList'];
$this->enum_map[$tablefield] = $valueList;
return explode(',', $valueList);
}
// Fallback to empty list
return array();
}
public function dbDataType($type)
{
$values = array(
'unsigned integer' => 'INT'
);
if (isset($values[$type])) {
return $values[$type];
} else {
return '';
}
}
}

View File

@ -8,200 +8,219 @@
*
* @package SQLite3
*/
class SQLiteDatabaseConfigurationHelper implements DatabaseConfigurationHelper {
/**
* Create a connection of the appropriate type
*
* @param array $databaseConfig
* @param string $error Error message passed by value
* @return mixed|null Either the connection object, or null if error
*/
protected function createConnection($databaseConfig, &$error) {
$error = null;
try {
if(!file_exists($databaseConfig['path'])) {
self::create_db_dir($databaseConfig['path']);
self::secure_db_dir($databaseConfig['path']);
}
$file = $databaseConfig['path'] . '/' . $databaseConfig['database'];
$conn = null;
switch($databaseConfig['type']) {
case 'SQLite3Database':
if(empty($databaseConfig['key'])) {
$conn = @new SQLite3($file, SQLITE3_OPEN_READWRITE | SQLITE3_OPEN_CREATE);
} else {
$conn = @new SQLite3($file, SQLITE3_OPEN_READWRITE | SQLITE3_OPEN_CREATE, $databaseConfig['key']);
}
break;
case 'SQLite3PDODatabase':
// May throw a PDOException if fails
$conn = @new PDO("sqlite:$file");
break;
default:
$error = 'Invalid connection type';
return null;
}
if($conn) {
return $conn;
} else {
$error = 'Unknown connection error';
return null;
}
} catch(Exception $ex) {
$error = $ex->getMessage();
return null;
}
}
public function requireDatabaseFunctions($databaseConfig) {
$data = DatabaseAdapterRegistry::get_adapter($databaseConfig['type']);
return !empty($data['supported']);
}
class SQLiteDatabaseConfigurationHelper implements DatabaseConfigurationHelper
{
/**
* Create a connection of the appropriate type
*
* @param array $databaseConfig
* @param string $error Error message passed by value
* @return mixed|null Either the connection object, or null if error
*/
protected function createConnection($databaseConfig, &$error)
{
$error = null;
try {
if (!file_exists($databaseConfig['path'])) {
self::create_db_dir($databaseConfig['path']);
self::secure_db_dir($databaseConfig['path']);
}
$file = $databaseConfig['path'] . '/' . $databaseConfig['database'];
$conn = null;
switch ($databaseConfig['type']) {
case 'SQLite3Database':
if (empty($databaseConfig['key'])) {
$conn = @new SQLite3($file, SQLITE3_OPEN_READWRITE | SQLITE3_OPEN_CREATE);
} else {
$conn = @new SQLite3($file, SQLITE3_OPEN_READWRITE | SQLITE3_OPEN_CREATE, $databaseConfig['key']);
}
break;
case 'SQLite3PDODatabase':
// May throw a PDOException if fails
$conn = @new PDO("sqlite:$file");
break;
default:
$error = 'Invalid connection type';
return null;
}
if ($conn) {
return $conn;
} else {
$error = 'Unknown connection error';
return null;
}
} catch (Exception $ex) {
$error = $ex->getMessage();
return null;
}
}
public function requireDatabaseFunctions($databaseConfig)
{
$data = DatabaseAdapterRegistry::get_adapter($databaseConfig['type']);
return !empty($data['supported']);
}
public function requireDatabaseServer($databaseConfig) {
$path = $databaseConfig['path'];
$error = '';
$success = false;
public function requireDatabaseServer($databaseConfig)
{
$path = $databaseConfig['path'];
$error = '';
$success = false;
if(!$path) {
$error = 'No database path provided';
} elseif(is_writable($path) || (!file_exists($path) && is_writable(dirname($path)))) {
// check if folder is writeable
$success = true;
} else {
$error = "Permission denied";
}
if (!$path) {
$error = 'No database path provided';
} elseif (is_writable($path) || (!file_exists($path) && is_writable(dirname($path)))) {
// check if folder is writeable
$success = true;
} else {
$error = "Permission denied";
}
return array(
'success' => $success,
'error' => $error,
'path' => $path
);
}
return array(
'success' => $success,
'error' => $error,
'path' => $path
);
}
/**
* Ensure a database connection is possible using credentials provided.
*
* @todo Validate path
*
* @param array $databaseConfig Associative array of db configuration, e.g. "type", "path" etc
* @return array Result - e.g. array('success' => true, 'error' => 'details of error')
*/
public function requireDatabaseConnection($databaseConfig) {
// Do additional validation around file paths
if(empty($databaseConfig['path'])) return array(
'success' => false,
'error' => "Missing directory path"
);
if(empty($databaseConfig['database'])) return array(
'success' => false,
'error' => "Missing database filename"
);
// Create and secure db directory
$path = $databaseConfig['path'];
$dirCreated = self::create_db_dir($path);
if(!$dirCreated) return array(
'success' => false,
'error' => sprintf('Cannot create path: "%s"', $path)
);
$dirSecured = self::secure_db_dir($path);
if(!$dirSecured) return array(
'success' => false,
'error' => sprintf('Cannot secure path through .htaccess: "%s"', $path)
);
/**
* Ensure a database connection is possible using credentials provided.
*
* @todo Validate path
*
* @param array $databaseConfig Associative array of db configuration, e.g. "type", "path" etc
* @return array Result - e.g. array('success' => true, 'error' => 'details of error')
*/
public function requireDatabaseConnection($databaseConfig)
{
// Do additional validation around file paths
if (empty($databaseConfig['path'])) {
return array(
'success' => false,
'error' => "Missing directory path"
);
}
if (empty($databaseConfig['database'])) {
return array(
'success' => false,
'error' => "Missing database filename"
);
}
// Create and secure db directory
$path = $databaseConfig['path'];
$dirCreated = self::create_db_dir($path);
if (!$dirCreated) {
return array(
'success' => false,
'error' => sprintf('Cannot create path: "%s"', $path)
);
}
$dirSecured = self::secure_db_dir($path);
if (!$dirSecured) {
return array(
'success' => false,
'error' => sprintf('Cannot secure path through .htaccess: "%s"', $path)
);
}
$conn = $this->createConnection($databaseConfig, $error);
$success = !empty($conn);
return array(
'success' => $success,
'connection' => $conn,
'error' => $error
);
}
$conn = $this->createConnection($databaseConfig, $error);
$success = !empty($conn);
return array(
'success' => $success,
'connection' => $conn,
'error' => $error
);
}
public function getDatabaseVersion($databaseConfig) {
$version = 0;
switch($databaseConfig['type']) {
case 'SQLite3Database':
$info = SQLite3::version();
$version = trim($info['versionString']);
break;
case 'SQLite3PDODatabase':
// Fallback to using sqlite_version() query
$conn = $this->createConnection($databaseConfig, $error);
if($conn) {
$version = $conn->getAttribute(PDO::ATTR_SERVER_VERSION);
}
break;
}
public function getDatabaseVersion($databaseConfig)
{
$version = 0;
switch ($databaseConfig['type']) {
case 'SQLite3Database':
$info = SQLite3::version();
$version = trim($info['versionString']);
break;
case 'SQLite3PDODatabase':
// Fallback to using sqlite_version() query
$conn = $this->createConnection($databaseConfig, $error);
if ($conn) {
$version = $conn->getAttribute(PDO::ATTR_SERVER_VERSION);
}
break;
}
return $version;
}
return $version;
}
public function requireDatabaseVersion($databaseConfig) {
$success = false;
$error = '';
$version = $this->getDatabaseVersion($databaseConfig);
public function requireDatabaseVersion($databaseConfig)
{
$success = false;
$error = '';
$version = $this->getDatabaseVersion($databaseConfig);
if($version) {
$success = version_compare($version, '3.3', '>=');
if(!$success) {
$error = "Your SQLite3 library version is $version. It's recommended you use at least 3.3.";
}
}
if ($version) {
$success = version_compare($version, '3.3', '>=');
if (!$success) {
$error = "Your SQLite3 library version is $version. It's recommended you use at least 3.3.";
}
}
return array(
'success' => $success,
'error' => $error
);
}
return array(
'success' => $success,
'error' => $error
);
}
public function requireDatabaseOrCreatePermissions($databaseConfig) {
$conn = $this->createConnection($databaseConfig, $error);
$success = $alreadyExists = !empty($conn);
return array(
'success' => $success,
'alreadyExists' => $alreadyExists,
);
}
/**
* Creates the provided directory and prepares it for
* storing SQLlite. Use {@link secure_db_dir()} to
* secure it against unauthorized access.
*
* @param String $path Absolute path, usually with a hidden folder.
* @return boolean
*/
public static function create_db_dir($path) {
return file_exists($path) || mkdir($path);
}
/**
* Secure the provided directory via web-access
* by placing a .htaccess file in it.
* This is just required if the database directory
* is placed within a publically accessible webroot (the
* default path is in a hidden folder within assets/).
*
* @param String $path Absolute path, containing a SQLite datatbase
* @return boolean
*/
public static function secure_db_dir($path) {
return (is_writeable($path)) ? file_put_contents($path . '/.htaccess', 'deny from all') : false;
}
public function requireDatabaseAlterPermissions($databaseConfig) {
// no concept of table-specific permissions; If you can connect you can alter schema
return array(
'success' => true,
'applies' => false
);
}
public function requireDatabaseOrCreatePermissions($databaseConfig)
{
$conn = $this->createConnection($databaseConfig, $error);
$success = $alreadyExists = !empty($conn);
return array(
'success' => $success,
'alreadyExists' => $alreadyExists,
);
}
/**
* Creates the provided directory and prepares it for
* storing SQLlite. Use {@link secure_db_dir()} to
* secure it against unauthorized access.
*
* @param String $path Absolute path, usually with a hidden folder.
* @return boolean
*/
public static function create_db_dir($path)
{
return file_exists($path) || mkdir($path);
}
/**
* Secure the provided directory via web-access
* by placing a .htaccess file in it.
* This is just required if the database directory
* is placed within a publically accessible webroot (the
* default path is in a hidden folder within assets/).
*
* @param String $path Absolute path, containing a SQLite datatbase
* @return boolean
*/
public static function secure_db_dir($path)
{
return (is_writeable($path)) ? file_put_contents($path . '/.htaccess', 'deny from all') : false;
}
public function requireDatabaseAlterPermissions($databaseConfig)
{
// no concept of table-specific permissions; If you can connect you can alter schema
return array(
'success' => true,
'applies' => false
);
}
}