diff options
| author | wei <> | 2006-05-18 08:16:21 +0000 | 
|---|---|---|
| committer | wei <> | 2006-05-18 08:16:21 +0000 | 
| commit | 1f8410794c8213d87227fabae2114a3be8033ece (patch) | |
| tree | 68571a616595e5e01f32d68cb79b689dd02d2529 /framework/3rdParty/adodb/drivers/adodb-pdo_pgsql.inc.php | |
| parent | 3d437d9dcd37dc901f53ca3322ba118851e3c676 (diff) | |
Moved adodb to 3rdParty directory.
Diffstat (limited to 'framework/3rdParty/adodb/drivers/adodb-pdo_pgsql.inc.php')
| -rw-r--r-- | framework/3rdParty/adodb/drivers/adodb-pdo_pgsql.inc.php | 229 | 
1 files changed, 229 insertions, 0 deletions
diff --git a/framework/3rdParty/adodb/drivers/adodb-pdo_pgsql.inc.php b/framework/3rdParty/adodb/drivers/adodb-pdo_pgsql.inc.php new file mode 100644 index 00000000..2de50364 --- /dev/null +++ b/framework/3rdParty/adodb/drivers/adodb-pdo_pgsql.inc.php @@ -0,0 +1,229 @@ +<?php + +/* +V4.81 3 May 2006  (c) 2000-2006 John Lim (jlim#natsoft.com.my). All rights reserved. +  Released under both BSD license and Lesser GPL library license.  +  Whenever there is any discrepancy between the two licenses,  +  the BSD license will take precedence. +  Set tabs to 8. +  +*/  + +class ADODB_pdo_pgsql extends ADODB_pdo { +	var $metaDatabasesSQL = "select datname from pg_database where datname not in ('template0','template1') order by 1"; +    var $metaTablesSQL = "select tablename,'T' from pg_tables where tablename not like 'pg\_%' +	and tablename not in ('sql_features', 'sql_implementation_info', 'sql_languages', +	 'sql_packages', 'sql_sizing', 'sql_sizing_profiles')  +	union  +        select viewname,'V' from pg_views where viewname not like 'pg\_%'"; +	//"select tablename from pg_tables where tablename not like 'pg_%' order by 1"; +	var $isoDates = true; // accepts dates in ISO format +	var $sysDate = "CURRENT_DATE"; +	var $sysTimeStamp = "CURRENT_TIMESTAMP"; +	var $blobEncodeType = 'C'; +	var $metaColumnsSQL = "SELECT a.attname,t.typname,a.attlen,a.atttypmod,a.attnotnull,a.atthasdef,a.attnum  +		FROM pg_class c, pg_attribute a,pg_type t  +		WHERE relkind in ('r','v') AND (c.relname='%s' or c.relname = lower('%s')) and a.attname not like '....%%' +AND a.attnum > 0 AND a.atttypid = t.oid AND a.attrelid = c.oid ORDER BY a.attnum"; + +	// used when schema defined +	var $metaColumnsSQL1 = "SELECT a.attname, t.typname, a.attlen, a.atttypmod, a.attnotnull, a.atthasdef, a.attnum  +FROM pg_class c, pg_attribute a, pg_type t, pg_namespace n  +WHERE relkind in ('r','v') AND (c.relname='%s' or c.relname = lower('%s')) + and c.relnamespace=n.oid and n.nspname='%s'  +	and a.attname not like '....%%' AND a.attnum > 0  +	AND a.atttypid = t.oid AND a.attrelid = c.oid ORDER BY a.attnum"; +	 +	// get primary key etc -- from Freek Dijkstra +	var $metaKeySQL = "SELECT ic.relname AS index_name, a.attname AS column_name,i.indisunique AS unique_key, i.indisprimary AS primary_key  +	FROM pg_class bc, pg_class ic, pg_index i, pg_attribute a WHERE bc.oid = i.indrelid AND ic.oid = i.indexrelid AND (i.indkey[0] = a.attnum OR i.indkey[1] = a.attnum OR i.indkey[2] = a.attnum OR i.indkey[3] = a.attnum OR i.indkey[4] = a.attnum OR i.indkey[5] = a.attnum OR i.indkey[6] = a.attnum OR i.indkey[7] = a.attnum) AND a.attrelid = bc.oid AND bc.relname = '%s'"; +	 +	var $hasAffectedRows = true; +	var $hasLimit = false;	// set to true for pgsql 7 only. support pgsql/mysql SELECT * FROM TABLE LIMIT 10 +	// below suggested by Freek Dijkstra  +	var $true = 't';		// string that represents TRUE for a database +	var $false = 'f';		// string that represents FALSE for a database +	var $fmtDate = "'Y-m-d'";	// used by DBDate() as the default date format used by the database +	var $fmtTimeStamp = "'Y-m-d G:i:s'"; // used by DBTimeStamp as the default timestamp fmt. +	var $hasMoveFirst = true; +	var $hasGenID = true; +	var $_genIDSQL = "SELECT NEXTVAL('%s')"; +	var $_genSeqSQL = "CREATE SEQUENCE %s START %s"; +	var $_dropSeqSQL = "DROP SEQUENCE %s"; +	var $metaDefaultsSQL = "SELECT d.adnum as num, d.adsrc as def from pg_attrdef d, pg_class c where d.adrelid=c.oid and c.relname='%s' order by d.adnum"; +	var $random = 'random()';		/// random function +	var $concat_operator='||'; +	 +	function _init($parentDriver) +	{ +	 +		$parentDriver->hasTransactions = false; ## <<< BUG IN PDO pgsql driver +		$parentDriver->hasInsertID = true; +	} +	 +	function ServerInfo() +	{ +		$arr['description'] = ADOConnection::GetOne("select version()"); +		$arr['version'] = ADOConnection::_findvers($arr['description']); +		return $arr; +	} +	 +	function &SelectLimit($sql,$nrows=-1,$offset=-1,$inputarr=false,$secs2cache=0)  +	{ +		 $offsetStr = ($offset >= 0) ? " OFFSET $offset" : ''; +		 $limitStr  = ($nrows >= 0)  ? " LIMIT $nrows" : ''; +		 if ($secs2cache) +		  	$rs =& $this->CacheExecute($secs2cache,$sql."$limitStr$offsetStr",$inputarr); +		 else +		  	$rs =& $this->Execute($sql."$limitStr$offsetStr",$inputarr); +		 +		return $rs; +	} +	 +	function &MetaTables($ttype=false,$showSchema=false,$mask=false)  +	{ +		$info = $this->ServerInfo(); +		if ($info['version'] >= 7.3) { +	    	$this->metaTablesSQL = "select tablename,'T' from pg_tables where tablename not like 'pg\_%' +			  and schemaname  not in ( 'pg_catalog','information_schema') +	union  +        select viewname,'V' from pg_views where viewname not like 'pg\_%'  and schemaname  not in ( 'pg_catalog','information_schema') "; +		} +		if ($mask) { +			$save = $this->metaTablesSQL; +			$mask = $this->qstr(strtolower($mask)); +			if ($info['version']>=7.3) +				$this->metaTablesSQL = " +select tablename,'T' from pg_tables where tablename like $mask and schemaname not in ( 'pg_catalog','information_schema')   + union  +select viewname,'V' from pg_views where viewname like $mask and schemaname  not in ( 'pg_catalog','information_schema')  "; +			else +				$this->metaTablesSQL = " +select tablename,'T' from pg_tables where tablename like $mask  + union  +select viewname,'V' from pg_views where viewname like $mask"; +		} +		$ret =& ADOConnection::MetaTables($ttype,$showSchema); +		 +		if ($mask) { +			$this->metaTablesSQL = $save; +		} +		return $ret; +	} +	 +	function &MetaColumns($table,$normalize=true)  +	{ +	global $ADODB_FETCH_MODE; +	 +		$schema = false; +		$this->_findschema($table,$schema); +		 +		if ($normalize) $table = strtolower($table); + +		$save = $ADODB_FETCH_MODE; +		$ADODB_FETCH_MODE = ADODB_FETCH_NUM; +		if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false); +		 +		if ($schema) $rs =& $this->Execute(sprintf($this->metaColumnsSQL1,$table,$table,$schema)); +		else $rs =& $this->Execute(sprintf($this->metaColumnsSQL,$table,$table)); +		if (isset($savem)) $this->SetFetchMode($savem); +		$ADODB_FETCH_MODE = $save; +		 +		if ($rs === false) { +			$false = false; +			return $false; +		} +		if (!empty($this->metaKeySQL)) { +			// If we want the primary keys, we have to issue a separate query +			// Of course, a modified version of the metaColumnsSQL query using a  +			// LEFT JOIN would have been much more elegant, but postgres does  +			// not support OUTER JOINS. So here is the clumsy way. +			 +			$ADODB_FETCH_MODE = ADODB_FETCH_ASSOC; +			 +			$rskey = $this->Execute(sprintf($this->metaKeySQL,($table))); +			// fetch all result in once for performance. +			$keys =& $rskey->GetArray(); +			if (isset($savem)) $this->SetFetchMode($savem); +			$ADODB_FETCH_MODE = $save; +			 +			$rskey->Close(); +			unset($rskey); +		} + +		$rsdefa = array(); +		if (!empty($this->metaDefaultsSQL)) { +			$ADODB_FETCH_MODE = ADODB_FETCH_ASSOC; +			$sql = sprintf($this->metaDefaultsSQL, ($table)); +			$rsdef = $this->Execute($sql); +			if (isset($savem)) $this->SetFetchMode($savem); +			$ADODB_FETCH_MODE = $save; +			 +			if ($rsdef) { +				while (!$rsdef->EOF) { +					$num = $rsdef->fields['num']; +					$s = $rsdef->fields['def']; +					if (strpos($s,'::')===false && substr($s, 0, 1) == "'") { /* quoted strings hack... for now... fixme */ +						$s = substr($s, 1); +						$s = substr($s, 0, strlen($s) - 1); +					} + +					$rsdefa[$num] = $s; +					$rsdef->MoveNext(); +				} +			} else { +				ADOConnection::outp( "==> SQL => " . $sql); +			} +			unset($rsdef); +		} +	 +		$retarr = array(); +		while (!$rs->EOF) { 	 +			$fld = new ADOFieldObject(); +			$fld->name = $rs->fields[0]; +			$fld->type = $rs->fields[1]; +			$fld->max_length = $rs->fields[2]; +			if ($fld->max_length <= 0) $fld->max_length = $rs->fields[3]-4; +			if ($fld->max_length <= 0) $fld->max_length = -1; +			if ($fld->type == 'numeric') { +				$fld->scale = $fld->max_length & 0xFFFF; +				$fld->max_length >>= 16; +			} +			// dannym +			// 5 hasdefault; 6 num-of-column +			$fld->has_default = ($rs->fields[5] == 't'); +			if ($fld->has_default) { +				$fld->default_value = $rsdefa[$rs->fields[6]]; +			} + +			//Freek +			if ($rs->fields[4] == $this->true) { +				$fld->not_null = true; +			} +			 +			// Freek +			if (is_array($keys)) { +				foreach($keys as $key) { +					if ($fld->name == $key['column_name'] AND $key['primary_key'] == $this->true)  +						$fld->primary_key = true; +					if ($fld->name == $key['column_name'] AND $key['unique_key'] == $this->true)  +						$fld->unique = true; // What name is more compatible? +				} +			} +			 +			if ($ADODB_FETCH_MODE == ADODB_FETCH_NUM) $retarr[] = $fld;	 +			else $retarr[($normalize) ? strtoupper($fld->name) : $fld->name] = $fld; +			 +			$rs->MoveNext(); +		} +		$rs->Close(); +		if (empty($retarr)) { +			$false = false; +			return $false; +		} else return $retarr;	 +		 +	} + +} + +?>  | 
