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- <?php
- /*
- V4.63 17 May 2005 (c) 2000-2005 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 4.
-
- Postgres7 support.
- 28 Feb 2001: Currently indicate that we support LIMIT
- 01 Dec 2001: dannym added support for default values
- */
-
- // security - hide paths
- if (!defined('ADODB_DIR')) die();
-
- include_once(ADODB_DIR."/drivers/adodb-postgres64.inc.php");
-
- class ADODB_postgres7 extends ADODB_postgres64 {
- var $databaseType = 'postgres7';
- var $hasLimit = true; // set to true for pgsql 6.5+ only. support pgsql/mysql SELECT * FROM TABLE LIMIT 10
- var $ansiOuter = true;
- var $charSet = true; //set to true for Postgres 7 and above - PG client supports encodings
-
- function ADODB_postgres7()
- {
- $this->ADODB_postgres64();
- if (ADODB_ASSOC_CASE !== 2) {
- $this->rsPrefix .= 'assoc_';
- }
- }
-
-
- // the following should be compat with postgresql 7.2,
- // which makes obsolete the LIMIT limit,offset syntax
- function &SelectLimit($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 $rs;
- }
- /*
- function Prepare($sql)
- {
- $info = $this->ServerInfo();
- if ($info['version']>=7.3) {
- return array($sql,false);
- }
- return $sql;
- }
- */
-
- // from Edward Jaramilla, improved version - works on pg 7.4
- function MetaForeignKeys($table, $owner=false, $upper=false)
- {
- $sql = 'SELECT t.tgargs as args
- FROM
- pg_trigger t,pg_class c,pg_proc p
- WHERE
- t.tgenabled AND
- t.tgrelid = c.oid AND
- t.tgfoid = p.oid AND
- p.proname = \'RI_FKey_check_ins\' AND
- c.relname = \''.strtolower($table).'\'
- ORDER BY
- t.tgrelid';
-
- $rs = $this->Execute($sql);
-
- if ($rs && !$rs->EOF) {
- $arr =& $rs->GetArray();
- $a = array();
- foreach($arr as $v)
- {
- $data = explode(chr(0), $v['args']);
- if ($upper) {
- $a[strtoupper($data[2])][] = strtoupper($data[4].'='.$data[5]);
- } else {
- $a[$data[2]][] = $data[4].'='.$data[5];
- }
- }
- return $a;
- }
- return false;
- }
-
-
-
- // this is a set of functions for managing client encoding - very important if the encodings
- // of your database and your output target (i.e. HTML) don't match
- //for instance, you may have UNICODE database and server it on-site as WIN1251 etc.
- // GetCharSet - get the name of the character set the client is using now
- // the functions should work with Postgres 7.0 and above, the set of charsets supported
- // depends on compile flags of postgres distribution - if no charsets were compiled into the server
- // it will return 'SQL_ANSI' always
- function GetCharSet()
- {
- //we will use ADO's builtin property charSet
- $this->charSet = @pg_client_encoding($this->_connectionID);
- if (!$this->charSet) {
- return false;
- } else {
- return $this->charSet;
- }
- }
-
- // SetCharSet - switch the client encoding
- function SetCharSet($charset_name)
- {
- $this->GetCharSet();
- if ($this->charSet !== $charset_name) {
- $if = pg_set_client_encoding($this->_connectionID, $charset_name);
- if ($if == "0" & $this->GetCharSet() == $charset_name) {
- return true;
- } else return false;
- } else return true;
- }
-
- }
-
- /*--------------------------------------------------------------------------------------
- Class Name: Recordset
- --------------------------------------------------------------------------------------*/
-
- class ADORecordSet_postgres7 extends ADORecordSet_postgres64{
-
- var $databaseType = "postgres7";
-
-
- function ADORecordSet_postgres7($queryID,$mode=false)
- {
- $this->ADORecordSet_postgres64($queryID,$mode);
- }
-
- // 10% speedup to move MoveNext to child class
- function MoveNext()
- {
- if (!$this->EOF) {
- $this->_currentRow++;
- if ($this->_numOfRows < 0 || $this->_numOfRows > $this->_currentRow) {
- $this->fields = @pg_fetch_array($this->_queryID,$this->_currentRow,$this->fetchMode);
-
- if (is_array($this->fields)) {
- if ($this->fields && isset($this->_blobArr)) $this->_fixblobs();
- return true;
- }
- }
- $this->fields = false;
- $this->EOF = true;
- }
- return false;
- }
-
- }
-
- class ADORecordSet_assoc_postgres7 extends ADORecordSet_postgres64{
-
- var $databaseType = "postgres7";
-
-
- function ADORecordSet_assoc_postgres7($queryID,$mode=false)
- {
- $this->ADORecordSet_postgres64($queryID,$mode);
- }
-
- function _fetch()
- {
- if ($this->_currentRow >= $this->_numOfRows && $this->_numOfRows >= 0)
- return false;
-
- $this->fields = @pg_fetch_array($this->_queryID,$this->_currentRow,$this->fetchMode);
-
- if ($this->fields) {
- if (isset($this->_blobArr)) $this->_fixblobs();
- $this->_updatefields();
- }
-
- return (is_array($this->fields));
- }
-
- // Create associative array
- function _updatefields()
- {
- if (ADODB_ASSOC_CASE == 2) return; // native
-
- $arr = array();
- $lowercase = (ADODB_ASSOC_CASE == 0);
-
- foreach($this->fields as $k => $v) {
- if (is_integer($k)) $arr[$k] = $v;
- else {
- if ($lowercase)
- $arr[strtolower($k)] = $v;
- else
- $arr[strtoupper($k)] = $v;
- }
- }
- $this->fields = $arr;
- }
-
- function MoveNext()
- {
- if (!$this->EOF) {
- $this->_currentRow++;
- if ($this->_numOfRows < 0 || $this->_numOfRows > $this->_currentRow) {
- $this->fields = @pg_fetch_array($this->_queryID,$this->_currentRow,$this->fetchMode);
-
- if (is_array($this->fields)) {
- if ($this->fields) {
- if (isset($this->_blobArr)) $this->_fixblobs();
-
- $this->_updatefields();
- }
- return true;
- }
- }
-
-
- $this->fields = false;
- $this->EOF = true;
- }
- return false;
- }
- }
- ?>