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https://github.com/silverstripe/silverstripe-postgresql
synced 2024-10-22 17:05:45 +02:00
API CHANGE: Most columns should no longer appear as having been changed.
This commit is contained in:
Geoff Munn
parent
8214a7d8ff
commit
fe153edf11
@ -108,8 +108,7 @@ class PostgreSQLDatabase extends Database {
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if(isset($_REQUEST['showqueries'])) {
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$starttime = microtime(true);
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}
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//echo 'sql: ' . $sql . '<br>';
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$handle = pg_query($this->dbConn, $sql);
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@ -191,19 +190,11 @@ class PostgreSQLDatabase extends Database {
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//if($indexes) foreach($indexes as $k => $v) $indexSchemas .= $this->getIndexSqlDefinition($k, $v) . ",\n";
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//we need to generate indexes like this: CREATE INDEX IX_vault_to_export ON vault (to_export);
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echo 'creating table: <pre>';
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print_r($indexes);
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echo '</pre>';
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//If we have a fulltext search request, then we need to create a special column
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//for GiST searches
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$fulltexts='';
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foreach($indexes as $name=>$this_index){
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if($this_index['type']=='fulltext'){
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//ALTER TABLE tblMessages ADD COLUMN idxFTI tsvector;
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//CREATE INDEX ix_vault_indexed_words ON vault_indexed USING gist(words);
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//$fulltexts.=$this_index['name'] . ' tsvector, ';
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//For full text search, we need to create a column for the index
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$fulltexts .= "\"ts_$name\" tsvector, ";
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@ -212,7 +203,6 @@ class PostgreSQLDatabase extends Database {
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if($indexes) foreach($indexes as $k => $v) $indexSchemas .= $this->getIndexSqlDefinition($tableName, $k, $v) . "\n";
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echo 'indexes: ' . $indexSchemas . '<br>';
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$this->query("CREATE TABLE \"$tableName\" (
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$fieldSchemas
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$fulltexts
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@ -280,7 +270,7 @@ class PostgreSQLDatabase extends Database {
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echo '</pre>';
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}*/
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if($matches[1]=='SERIAL8')
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if($matches[1]=='serial8')
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return '';
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if(isset($matches[1])) {
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@ -315,12 +305,6 @@ class PostgreSQLDatabase extends Database {
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* @return boolean Return true if the table has integrity after the method is complete.
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*/
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public function checkAndRepairTable($tableName) {
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//if(!$this->runTableCheckCommand("VACUUM FULL \"$tableName\"")) {
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// Database::alteration_message("Table $tableName: repaired","repaired");
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// return $this->runTableCheckCommand("REPAIR TABLE \"$tableName\" USE_FRM");
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//} else {
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// return true;
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//}
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$this->runTableCheckCommand("VACUUM FULL \"$tableName\"");
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return true;
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}
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@ -369,15 +353,21 @@ class PostgreSQLDatabase extends Database {
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}
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public function fieldList($table) {
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$fields = $this->query("SELECT a.attname
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FROM pg_class c INNER JOIN pg_attribute a
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ON c.oid = a.attrelid
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WHERE c.relkind = 'r'::\"char\" AND c.relname = '$table'
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AND NOT a.attisdropped AND a.attnum > 0;")->column();
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//Query from http://www.alberton.info/postgresql_meta_info.html
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//This gets us more information than we need, but I've included it all for the moment....
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$fields = $this->query("SELECT ordinal_position, column_name, data_type, column_default, is_nullable, character_maximum_length, numeric_precision FROM information_schema.columns WHERE table_name = '$table' ORDER BY ordinal_position;");
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$output = array();
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if($fields) foreach($fields as $field) {
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$output[$field] = true;
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switch($field){
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case 'bigint':
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//We will assume that this is the ID column:
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$output['column_name']=$this->IdColumn();
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break;
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default:
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$output[$field['column_name']] = $field;
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}
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}
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return $output;
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@ -412,8 +402,8 @@ class PostgreSQLDatabase extends Database {
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}
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}
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//return $indexSpec;
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return '';
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return $indexSpec;
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//return '';
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}
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protected function getIndexSqlDefinition($tableName, $indexName, $indexSpec) {
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@ -453,7 +443,6 @@ class PostgreSQLDatabase extends Database {
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$indexType = "index";
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}
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//$this->query("ALTER TABLE \"$tableName\" DROP INDEX \"$indexName\"");
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$this->query("DROP INDEX $indexName");
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$this->query("ALTER TABLE \"$tableName\" ADD $indexType \"$indexName\" $indexFields");
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}
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@ -465,27 +454,6 @@ class PostgreSQLDatabase extends Database {
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*/
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public function indexList($table) {
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/*$indexes = DB::query("SHOW INDEXES IN \"$table\"");
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foreach($indexes as $index) {
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$groupedIndexes[$index['Key_name']]['fields'][$index['Seq_in_index']] = $index['Column_name'];
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if($index['Index_type'] == 'FULLTEXT') {
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$groupedIndexes[$index['Key_name']]['type'] = 'fulltext ';
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} else if(!$index['Non_unique']) {
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$groupedIndexes[$index['Key_name']]['type'] = 'unique ';
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} else {
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$groupedIndexes[$index['Key_name']]['type'] = '';
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}
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}
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foreach($groupedIndexes as $index => $details) {
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ksort($details['fields']);
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$indexList[$index] = $details['type'] . '(' . implode(',',$details['fields']) . ')';
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}
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return $indexList;*/
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/*//Obtained by starting postgres with the -E option:
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$indexes=DB::query("SELECT c.relname as \"Name\",
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CASE c.relkind WHEN 'r' THEN 'table' WHEN 'v' THEN 'view' WHEN 'i' THEN 'index' WHEN 'S' THEN 'sequence' WHEN 's' THEN 'special' END as \"Type\",
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@ -529,18 +497,6 @@ WHERE c.relkind IN ('i','')
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}
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//foreach($groupedIndexes as $index => $details) {
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//ksort($details['fields']);
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//$indexList[$index] = $details['type'] . '(' . implode(',',$details['fields']) . ')';
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//}
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/*if (isset($indexList)) {
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echo 'index list: <pre>';
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print_r($indexList);
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echo '</pre>';
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}*/
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return isset($indexList) ? $indexList : null;
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}
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@ -587,11 +543,14 @@ WHERE c.relkind IN ('i','')
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* @params array $values Contains a tokenised list of info about this data type
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* @return string
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*/
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public function boolean($values){
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//Annoyingly, we need to do a good old fashioned switch here:
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public function boolean($values, $asDbValue=false){
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//Annoyingly, we need to do a good ol' fashioned switch here:
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($values['default']) ? $default='true' : $default='false';
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return 'boolean not null default ' . $default;
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if($asDbValue)
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return Array('data_type'=>'boolean');
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else
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return 'boolean not null default ' . $default;
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}
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/**
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@ -615,12 +574,21 @@ WHERE c.relkind IN ('i','')
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* @params array $values Contains a tokenised list of info about this data type
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* @return string
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*/
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public function decimal($values){
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public function decimal($values, $asDbValue=false){
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//For reference, this is what typically gets passed to this function:
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//$parts=Array('datatype'=>'decimal', 'precision'=>"$this->wholeSize,$this->decimalSize");
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//DB::requireField($this->tableName, $this->name, "decimal($this->wholeSize,$this->decimalSize)");
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return 'decimal(' . (int)$values['precision'] . ')';
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// Avoid empty strings being put in the db
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if($values['precision'] == '') {
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$precision = 1;
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} else {
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$precision = $values['precision'];
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}
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if($asDbValue)
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return Array('data_type'=>'numeric', 'numeric_precision'=>'9');
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else return 'decimal(' . $precision . ') not null';
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}
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/**
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@ -630,8 +598,7 @@ WHERE c.relkind IN ('i','')
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* @return string
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*/
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public function enum($values){
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//Enums are a bit different. We'll be creating a varchar(255) with a constraint of all the usual
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//enum options.
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//Enums are a bit different. We'll be creating a varchar(255) with a constraint of all the usual enum options.
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//NOTE: In this one instance, we are including the table name in the values array
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return "varchar(255) not null default '" . $values['default'] . "' check (\"" . $values['name'] . "\" in ('" . implode('\', \'', $values['enums']) . "'))";
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@ -645,12 +612,14 @@ WHERE c.relkind IN ('i','')
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* @params array $values Contains a tokenised list of info about this data type
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* @return string
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*/
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public function float($values){
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public function float($values, $asDbValue=false){
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//For reference, this is what typically gets passed to this function:
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//$parts=Array('datatype'=>'float');
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//DB::requireField($this->tableName, $this->name, "float");
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return 'float';
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if($asDbValue)
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return Array('data_type'=>'double precision');
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else return 'float';
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}
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/**
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@ -659,9 +628,13 @@ WHERE c.relkind IN ('i','')
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* @params array $values Contains a tokenised list of info about this data type
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* @return string
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*/
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public function int($values){
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public function int($values, $asDbValue=false){
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//We'll be using an 8 digit precision to keep it in line with the serial8 datatype for ID columns
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return 'numeric(8) not null default ' . (int)$values['default'];
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if($asDbValue)
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return Array('data_type'=>'numeric', 'numeric_precision'=>'8');
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else
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return 'numeric(8) not null default ' . (int)$values['default'];
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}
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/**
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@ -671,12 +644,15 @@ WHERE c.relkind IN ('i','')
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* @params array $values Contains a tokenised list of info about this data type
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* @return string
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*/
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public function ssdatetime($values){
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public function ssdatetime($values, $asDbValue=false){
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//For reference, this is what typically gets passed to this function:
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//$parts=Array('datatype'=>'datetime');
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//DB::requireField($this->tableName, $this->name, $values);
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return 'timestamp';
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if($asDbValue)
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return Array('data_type'=>'timestamp without time zone');
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else
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return 'timestamp';
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}
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/**
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@ -685,12 +661,15 @@ WHERE c.relkind IN ('i','')
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* @params array $values Contains a tokenised list of info about this data type
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* @return string
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*/
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public function text($values){
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public function text($values, $asDbValue=false){
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//For reference, this is what typically gets passed to this function:
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//$parts=Array('datatype'=>'mediumtext', 'character set'=>'utf8', 'collate'=>'utf8_general_ci');
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//DB::requireField($this->tableName, $this->name, "mediumtext character set utf8 collate utf8_general_ci");
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return 'text';
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if($asDbValue)
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return Array('data_type'=>'text');
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else
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return 'text';
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}
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/**
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@ -714,12 +693,23 @@ WHERE c.relkind IN ('i','')
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* @params array $values Contains a tokenised list of info about this data type
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* @return string
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*/
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public function varchar($values){
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public function varchar($values, $asDbValue=false){
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//For reference, this is what typically gets passed to this function:
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//$parts=Array('datatype'=>'varchar', 'precision'=>$this->size, 'character set'=>'utf8', 'collate'=>'utf8_general_ci');
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//DB::requireField($this->tableName, $this->name, "varchar($this->size) character set utf8 collate utf8_general_ci");
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return 'varchar(' . $values['precision'] . ')';
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if($asDbValue)
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return Array('data_type'=>'character varying', 'character_maximum_length'=>'255');
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else
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return 'varchar(' . $values['precision'] . ')';
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}
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/*
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* Return a 4 digit numeric type. MySQL has a proprietary 'Year' type.
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*/
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public function year($values, $asDbValue=false){
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if($asDbValue)
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return Array('data_type'=>'numeric', 'numeric_precision'=>'4');
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else return 'numeric(4)';
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}
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function escape_character($escape=false){
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@ -735,7 +725,6 @@ WHERE c.relkind IN ('i','')
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* @param array $spec
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*/
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function fulltext($table, $spec){
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//CREATE INDEX ix_vault_indexed_words ON vault_indexed USING gist(words);
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//$spec['name'] is the column we've created that holds all the words we want to index.
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//This is a coalesced collection of multiple columns if necessary
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$spec='create index ix_' . $table . '_' . $spec['name'] . ' on ' . $table . ' using gist(' . $spec['name'] . ');';
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@ -749,8 +738,10 @@ WHERE c.relkind IN ('i','')
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*
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* @return string
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*/
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function IdColumn(){
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return 'SERIAL8 NOT NULL';
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function IdColumn($asDbValue=false){
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if($asDbValue)
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return 'bigint';
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else return 'serial8 not null';
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}
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/**
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