1 files changed, 0 insertions, 284 deletions
diff --git a/framework/Db/schema/pgsql/TPgsqlSchema.php b/framework/Db/schema/pgsql/TPgsqlSchema.php
deleted file mode 100755
index a539dce2..00000000
--- a/framework/Db/schema/pgsql/TPgsqlSchema.php
+++ /dev/null
@@ -1,284 +0,0 @@
-<?php
-/**
- * TPgsqlSchema class file.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @link http://www.yiiframework.com/
- * @copyright Copyright &copy; 2008-2009 Yii Software LLC
- * @license http://www.yiiframework.com/license/
- */
-
-prado::using('System.db.schema.TDbSchema');
-
-/**
- * TPgsqlSchema is the class for retrieving metadata information from a PostgreSQL database.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @version $Id$
- * @package system.db.schema.pgsql
- * @since 1.0
- */
-class TPgsqlSchema extends TDbSchema
-{
-	const DEFAULT_SCHEMA='public';
-	private $_sequences=array();
-
-	/**
-	 * Quotes a table name for use in a query.
-	 * @param string table name
-	 * @return string the properly quoted table name
-	 */
-	public function quoteTableName($name)
-	{
-		return '"'.$name.'"';
-	}
-
-	/**
-	 * Creates a table instance representing the metadata for the named table.
-	 * @return TDbTableSchema driver dependent table metadata.
-	 */
-	protected function createTable($name)
-	{
-		$table=new TPgsqlTableSchema;
-		$this->resolveTableNames($table,$name);
-		if(!$this->findColumns($table))
-			return null;
-		$this->findConstraints($table);
-
-		if(is_string($table->primaryKey) && isset($this->_sequences[$table->primaryKey]))
-			$table->sequenceName=$this->_sequences[$table->primaryKey];
-
-		return $table;
-	}
-
-	/**
-	 * Generates various kinds of table names.
-	 * @param TPgsqlTableSchema the table instance
-	 * @param string the unquoted table name
-	 */
-	protected function resolveTableNames($table,$name)
-	{
-		$parts=explode('.',str_replace('"','',$name));
-		if(isset($parts[1]))
-		{
-			$schemaName=$parts[0];
-			$tableName=$parts[1];
-		}
-		else
-		{
-			$schemaName=self::DEFAULT_SCHEMA;
-			$tableName=$parts[0];
-		}
-
-		$table->name=$tableName;
-		$table->schemaName=$schemaName;
-		if($schemaName===self::DEFAULT_SCHEMA)
-			$table->rawName=$this->quoteTableName($tableName);
-		else
-			$table->rawName=$this->quoteTableName($schemaName).'.'.$this->quoteTableName($tableName);
-	}
-
-	/**
-	 * Collects the table column metadata.
-	 * @param TPgsqlTableSchema the table metadata
-	 * @return boolean whether the table exists in the database
-	 */
-	protected function findColumns($table)
-	{
-		$sql=<<<EOD
-SELECT a.attname, LOWER(format_type(a.atttypid, a.atttypmod)) AS type, d.adsrc, a.attnotnull, a.atthasdef
-FROM pg_attribute a LEFT JOIN pg_attrdef d ON a.attrelid = d.adrelid AND a.attnum = d.adnum
-WHERE a.attnum > 0 AND NOT a.attisdropped
-	AND a.attrelid = (SELECT oid FROM pg_catalog.pg_class WHERE relname=:table
-		AND relnamespace = (SELECT oid FROM pg_catalog.pg_namespace WHERE nspname = :schema))
-ORDER BY a.attnum
-EOD;
-		$command=$this->getDbConnection()->createCommand($sql);
-		$command->bindValue(':table',$table->name);
-		$command->bindValue(':schema',$table->schemaName);
-
-		if(($columns=$command->queryAll())===array())
-			return false;
-
-		foreach($columns as $column)
-		{
-			$c=$this->createColumn($column);
-			$table->columns[$c->name]=$c;
-
-			if(stripos($column['adsrc'],'nextval')===0 && preg_match('/nextval\([^\']*\'([^\']+)\'[^\)]*\)/i',$column['adsrc'],$matches))
-			{
-				if(strpos($matches[1],'.')!==false || $table->schemaName===self::DEFAULT_SCHEMA)
-					$this->_sequences[$c->name]=$matches[1];
-				else
-					$this->_sequences[$c->name]=$table->schemaName.'.'.$matches[1];
-			}
-		}
-		return true;
-	}
-
-	/**
-	 * Creates a table column.
-	 * @param array column metadata
-	 * @return TDbColumnSchema normalized column metadata
-	 */
-	protected function createColumn($column)
-	{
-		$c=new TPgsqlColumnSchema;
-		$c->name=$column['attname'];
-		$c->rawName=$this->quoteColumnName($c->name);
-		$c->allowNull=!$column['attnotnull'];
-		$c->isPrimaryKey=false;
-		$c->isForeignKey=false;
-
-		$c->init($column['type'],$column['atthasdef'] ? $column['adsrc'] : null);
-
-		return $c;
-	}
-
-	/**
-	 * Collects the primary and foreign key column details for the given table.
-	 * @param TPgsqlTableSchema the table metadata
-	 */
-	protected function findConstraints($table)
-	{
-		$sql=<<<EOD
-SELECT conname, consrc, contype, indkey FROM (
-	SELECT
-		conname,
-		CASE WHEN contype='f' THEN
-			pg_catalog.pg_get_constraintdef(oid)
-		ELSE
-			'CHECK (' || consrc || ')'
-		END AS consrc,
-		contype,
-		conrelid AS relid,
-		NULL AS indkey
-	FROM
-		pg_catalog.pg_constraint
-	WHERE
-		contype IN ('f', 'c')
-	UNION ALL
-	SELECT
-		pc.relname,
-		NULL,
-		CASE WHEN indisprimary THEN
-				'p'
-		ELSE
-				'u'
-		END,
-		pi.indrelid,
-		indkey
-	FROM
-		pg_catalog.pg_class pc,
-		pg_catalog.pg_index pi
-	WHERE
-		pc.oid=pi.indexrelid
-		AND EXISTS (
-			SELECT 1 FROM pg_catalog.pg_depend d JOIN pg_catalog.pg_constraint c
-			ON (d.refclassid = c.tableoid AND d.refobjid = c.oid)
-			WHERE d.classid = pc.tableoid AND d.objid = pc.oid AND d.deptype = 'i' AND c.contype IN ('u', 'p')
-	)
-) AS sub
-WHERE relid = (SELECT oid FROM pg_catalog.pg_class WHERE relname=:table
-	AND relnamespace = (SELECT oid FROM pg_catalog.pg_namespace
-	WHERE nspname=:schema))
-EOD;
-		$command=$this->getDbConnection()->createCommand($sql);
-		$command->bindValue(':table',$table->name);
-		$command->bindValue(':schema',$table->schemaName);
-		foreach($command->queryAll() as $row)
-		{
-			if($row['contype']==='p') // primary key
-				$this->findPrimaryKey($table,$row['indkey']);
-			else if($row['contype']==='f') // foreign key
-				$this->findForeignKey($table,$row['consrc']);
-		}
-	}
-
-	/**
-	 * Collects primary key information.
-	 * @param TPgsqlTableSchema the table metadata
-	 * @param string pgsql primary key index list
-	 */
-	protected function findPrimaryKey($table,$indices)
-	{
-		$indices=implode(', ',preg_split('/\s+/',$indices));
-		$sql=<<<EOD
-SELECT attnum, attname FROM pg_catalog.pg_attribute WHERE
-	attrelid=(
-		SELECT oid FROM pg_catalog.pg_class WHERE relname=:table AND relnamespace=(
-			SELECT oid FROM pg_catalog.pg_namespace WHERE nspname=:schema
-		)
-	)
-    AND attnum IN ({$indices})
-EOD;
-		$command=$this->getDbConnection()->createCommand($sql);
-		$command->bindValue(':table',$table->name);
-		$command->bindValue(':schema',$table->schemaName);
-		foreach($command->queryAll() as $row)
-		{
-			$name=$row['attname'];
-			if(isset($table->columns[$name]))
-			{
-				$table->columns[$name]->isPrimaryKey=true;
-				if($table->primaryKey===null)
-					$table->primaryKey=$name;
-				else if(is_string($table->primaryKey))
-					$table->primaryKey=array($table->primaryKey,$name);
-				else
-					$table->primaryKey[]=$name;
-			}
-		}
-	}
-
-	/**
-	 * Collects foreign key information.
-	 * @param TPgsqlTableSchema the table metadata
-	 * @param string pgsql foreign key definition
-	 */
-	protected function findForeignKey($table,$src)
-	{
-		$matches=array();
-		$brackets='\(([^\)]+)\)';
-		$pattern="/FOREIGN\s+KEY\s+{$brackets}\s+REFERENCES\s+([^\(]+){$brackets}/i";
-		if(preg_match($pattern,str_replace('"','',$src),$matches))
-		{
-			$keys=preg_split('/,\s+/', $matches[1]);
-			$tableName=$matches[2];
-			$fkeys=preg_split('/,\s+/', $matches[3]);
-			foreach($keys as $i=>$key)
-			{
-				$table->foreignKeys[$key]=array($tableName,$fkeys[$i]);
-				if(isset($table->columns[$key]))
-					$table->columns[$key]->isForeignKey=true;
-			}
-		}
-	}
-
-	/**
-	 * Returns all table names in the database.
-	 * @return array all table names in the database.
-	 * @since 1.0.2
-	 */
-	protected function findTableNames($schema='')
-	{
-		if($schema==='')
-			$schema=self::DEFAULT_SCHEMA;
-		$sql=<<<EOD
-SELECT table_name, table_schema FROM information_schema.tables
-WHERE table_schema=:schema
-EOD;
-		$command=$this->getDbConnection()->createCommand($sql);
-		$command->bindParam(':schema',$schema);
-		$rows=$command->queryAll();
-		$names=array();
-		foreach($rows as $row)
-		{
-			if($schema===self::DEFAULT_SCHEMA)
-				$names[]=$row['table_name'];
-			else
-				$names[]=$row['schema_name'].'.'.$row['table_name'];
-		}
-		return $names;
-	}
-}