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API CHANGE: database creation now supported, dbDataType function now included

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This commit is contained in:
Geoff Munn 2010-03-08 21:58:28 +00:00
parent 77a76c28c5
commit 11d16b3c7f
1 changed files with 30 additions and 8 deletions
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38
code/PostgreSQLDatabase.php
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@ -87,7 +87,12 @@ class PostgreSQLDatabase extends SS_Database {
$dbName=$parameters['database'];
else $dbName=$this->database;
//assumes that the server and dbname will always be provided:
//First, we need to check that this database exists. To do this, we will connect to the 'postgres' database first
$this->dbConn = pg_connect('host=' . $parameters['server'] . ' port=5432 dbname=postgres' . $username . $password);
if(!$this->databaseExists($dbName))
$this->createDatabase($dbName);
//Now we can be sure that this database exists, so we can connect to it
$this->dbConn = pg_connect('host=' . $parameters['server'] . ' port=5432 dbname=' . $dbName . $username . $password);
//By virtue of getting here, the connection is active:
@ -194,12 +199,13 @@ class PostgreSQLDatabase extends SS_Database {
}
/*
* This will create a database based on whatever is in the $this->database value
* So you need to have called $this->selectDatabase() first, or used the __construct method
* You can create a database based either on a supplied name, or from whatever is in the $this->database value
*/
public function createDatabase() {
$this->query("CREATE DATABASE $this->database");
public function createDatabase($name=false) {
if(!$name)
$name=$this->database;
$this->query("CREATE DATABASE \"$name\";");
$this->connectDatabase();
@ -243,8 +249,9 @@ class PostgreSQLDatabase extends SS_Database {
* Returns true if the named database exists.
*/
public function databaseExists($name) {
$SQL_name=Convert::raw2sql($name);
$result=$this->query("SELECT datname FROM pg_database WHERE datname='$SQL_name';")->first();
// We have to use addslashes here, since there may not be a database connection to base the Convert::raw2sql
// function off.
$SQL_name=addslashes($name);
return $this->query("SELECT datname FROM pg_database WHERE datname='$SQL_name';")->first() ? true : false;
}
@ -1177,6 +1184,21 @@ class PostgreSQLDatabase extends SS_Database {
return 'RANDOM()';
}
/*
* This is a lookup table for data types.
* For instance, Postgres uses 'INT', while MySQL uses 'UNSIGNED'
* So this is a DB-specific list of equivilents.
*/
function dbDataType($type){
$values=Array(
'unsigned integer'=>'INT'
);
if(isset($values[$type]))
return $values[$type];
else return '';
}
/**
* Convert a SQLQuery object into a SQL statement
* @todo There is a lot of duplication between this and MySQLDatabase::sqlQueryToString(). Perhaps they could both call a common