mirror of
https://github.com/EGroupware/egroupware.git
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312 lines
8.7 KiB
PHP
312 lines
8.7 KiB
PHP
<?php
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/*
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V5.11 5 May 2010 (c) 2000-2010 John Lim (jlim#natsoft.com). All rights reserved.
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Released under both BSD license and Lesser GPL library license.
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Whenever there is any discrepancy between the two licenses,
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the BSD license will take precedence.
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Set tabs to 4.
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Postgres7 support.
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28 Feb 2001: Currently indicate that we support LIMIT
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01 Dec 2001: dannym added support for default values
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*/
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// security - hide paths
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if (!defined('ADODB_DIR')) die();
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include_once(ADODB_DIR."/drivers/adodb-postgres64.inc.php");
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class ADODB_postgres7 extends ADODB_postgres64 {
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var $databaseType = 'postgres7';
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var $hasLimit = true; // set to true for pgsql 6.5+ only. support pgsql/mysql SELECT * FROM TABLE LIMIT 10
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var $ansiOuter = true;
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var $charSet = true; //set to true for Postgres 7 and above - PG client supports encodings
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function ADODB_postgres7()
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{
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$this->ADODB_postgres64();
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if (ADODB_ASSOC_CASE !== 2) {
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$this->rsPrefix .= 'assoc_';
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}
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$this->_bindInputArray = PHP_VERSION >= 5.1;
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}
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// the following should be compat with postgresql 7.2,
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// which makes obsolete the LIMIT limit,offset syntax
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function SelectLimit($sql,$nrows=-1,$offset=-1,$inputarr=false,$secs2cache=0)
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{
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$offsetStr = ($offset >= 0) ? " OFFSET ".((integer)$offset) : '';
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$limitStr = ($nrows >= 0) ? " LIMIT ".((integer)$nrows) : '';
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if ($secs2cache)
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$rs = $this->CacheExecute($secs2cache,$sql."$limitStr$offsetStr",$inputarr);
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else
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$rs = $this->Execute($sql."$limitStr$offsetStr",$inputarr);
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return $rs;
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}
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/*
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function Prepare($sql)
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{
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$info = $this->ServerInfo();
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if ($info['version']>=7.3) {
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return array($sql,false);
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}
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return $sql;
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}
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*/
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/*
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I discovered that the MetaForeignKeys method no longer worked for Postgres 8.3.
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I went ahead and modified it to work for both 8.2 and 8.3.
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Please feel free to include this change in your next release of adodb.
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William Kolodny [William.Kolodny#gt-t.net]
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*/
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function MetaForeignKeys($table, $owner=false, $upper=false)
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{
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$sql="
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SELECT fum.ftblname AS lookup_table, split_part(fum.rf, ')'::text, 1) AS lookup_field,
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fum.ltable AS dep_table, split_part(fum.lf, ')'::text, 1) AS dep_field
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FROM (
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SELECT fee.ltable, fee.ftblname, fee.consrc, split_part(fee.consrc,'('::text, 2) AS lf,
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split_part(fee.consrc, '('::text, 3) AS rf
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FROM (
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SELECT foo.relname AS ltable, foo.ftblname,
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pg_get_constraintdef(foo.oid) AS consrc
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FROM (
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SELECT c.oid, c.conname AS name, t.relname, ft.relname AS ftblname
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FROM pg_constraint c
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JOIN pg_class t ON (t.oid = c.conrelid)
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JOIN pg_class ft ON (ft.oid = c.confrelid)
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JOIN pg_namespace nft ON (nft.oid = ft.relnamespace)
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LEFT JOIN pg_description ds ON (ds.objoid = c.oid)
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JOIN pg_namespace n ON (n.oid = t.relnamespace)
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WHERE c.contype = 'f'::\"char\"
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ORDER BY t.relname, n.nspname, c.conname, c.oid
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) foo
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) fee) fum
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WHERE fum.ltable='".strtolower($table)."'
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ORDER BY fum.ftblname, fum.ltable, split_part(fum.lf, ')'::text, 1)
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";
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$rs = $this->Execute($sql);
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if (!$rs || $rs->EOF) return false;
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$a = array();
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while (!$rs->EOF) {
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if ($upper) {
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$a[strtoupper($rs->Fields('lookup_table'))][] = strtoupper(str_replace('"','',$rs->Fields('dep_field').'='.$rs->Fields('lookup_field')));
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} else {
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$a[$rs->Fields('lookup_table')][] = str_replace('"','',$rs->Fields('dep_field').'='.$rs->Fields('lookup_field'));
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}
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$rs->MoveNext();
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}
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return $a;
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}
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// from Edward Jaramilla, improved version - works on pg 7.4
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function _old_MetaForeignKeys($table, $owner=false, $upper=false)
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{
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$sql = 'SELECT t.tgargs as args
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FROM
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pg_trigger t,pg_class c,pg_proc p
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WHERE
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t.tgenabled AND
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t.tgrelid = c.oid AND
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t.tgfoid = p.oid AND
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p.proname = \'RI_FKey_check_ins\' AND
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c.relname = \''.strtolower($table).'\'
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ORDER BY
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t.tgrelid';
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$rs = $this->Execute($sql);
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if (!$rs || $rs->EOF) return false;
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$arr = $rs->GetArray();
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$a = array();
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foreach($arr as $v) {
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$data = explode(chr(0), $v['args']);
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$size = count($data)-1; //-1 because the last node is empty
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for($i = 4; $i < $size; $i++) {
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if ($upper)
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$a[strtoupper($data[2])][] = strtoupper($data[$i].'='.$data[++$i]);
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else
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$a[$data[2]][] = $data[$i].'='.$data[++$i];
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}
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}
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return $a;
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}
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function _query($sql,$inputarr=false)
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{
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if (! $this->_bindInputArray) {
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// We don't have native support for parameterized queries, so let's emulate it at the parent
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return ADODB_postgres64::_query($sql, $inputarr);
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}
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$this->_errorMsg = false;
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// -- added Cristiano da Cunha Duarte
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if ($inputarr) {
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$sqlarr = explode('?',trim($sql));
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$sql = '';
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$i = 1;
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$last = sizeof($sqlarr)-1;
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foreach($sqlarr as $v) {
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if ($last < $i) $sql .= $v;
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else $sql .= $v.' $'.$i;
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$i++;
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}
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$rez = pg_query_params($this->_connectionID,$sql, $inputarr);
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} else {
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$rez = pg_query($this->_connectionID,$sql);
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}
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// check if no data returned, then no need to create real recordset
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if ($rez && pg_numfields($rez) <= 0) {
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if (is_resource($this->_resultid) && get_resource_type($this->_resultid) === 'pgsql result') {
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pg_freeresult($this->_resultid);
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}
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$this->_resultid = $rez;
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return true;
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}
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return $rez;
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}
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// this is a set of functions for managing client encoding - very important if the encodings
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// of your database and your output target (i.e. HTML) don't match
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//for instance, you may have UNICODE database and server it on-site as WIN1251 etc.
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// GetCharSet - get the name of the character set the client is using now
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// the functions should work with Postgres 7.0 and above, the set of charsets supported
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// depends on compile flags of postgres distribution - if no charsets were compiled into the server
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// it will return 'SQL_ANSI' always
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function GetCharSet()
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{
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//we will use ADO's builtin property charSet
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$this->charSet = @pg_client_encoding($this->_connectionID);
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if (!$this->charSet) {
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return false;
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} else {
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return $this->charSet;
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}
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}
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// SetCharSet - switch the client encoding
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function SetCharSet($charset_name)
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{
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$this->GetCharSet();
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if ($this->charSet !== $charset_name) {
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$if = pg_set_client_encoding($this->_connectionID, $charset_name);
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if ($if == "0" & $this->GetCharSet() == $charset_name) {
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return true;
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} else return false;
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} else return true;
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}
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}
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/*--------------------------------------------------------------------------------------
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Class Name: Recordset
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--------------------------------------------------------------------------------------*/
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class ADORecordSet_postgres7 extends ADORecordSet_postgres64{
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var $databaseType = "postgres7";
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function ADORecordSet_postgres7($queryID,$mode=false)
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{
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$this->ADORecordSet_postgres64($queryID,$mode);
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}
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// 10% speedup to move MoveNext to child class
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function MoveNext()
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{
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if (!$this->EOF) {
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$this->_currentRow++;
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if ($this->_numOfRows < 0 || $this->_numOfRows > $this->_currentRow) {
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$this->fields = @pg_fetch_array($this->_queryID,$this->_currentRow,$this->fetchMode);
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if (is_array($this->fields)) {
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if ($this->fields && isset($this->_blobArr)) $this->_fixblobs();
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return true;
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}
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}
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$this->fields = false;
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$this->EOF = true;
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}
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return false;
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}
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}
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class ADORecordSet_assoc_postgres7 extends ADORecordSet_postgres64{
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var $databaseType = "postgres7";
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function ADORecordSet_assoc_postgres7($queryID,$mode=false)
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{
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$this->ADORecordSet_postgres64($queryID,$mode);
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}
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function _fetch()
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{
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if ($this->_currentRow >= $this->_numOfRows && $this->_numOfRows >= 0)
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return false;
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$this->fields = @pg_fetch_array($this->_queryID,$this->_currentRow,$this->fetchMode);
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if ($this->fields) {
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if (isset($this->_blobArr)) $this->_fixblobs();
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$this->_updatefields();
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}
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return (is_array($this->fields));
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}
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// Create associative array
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function _updatefields()
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{
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if (ADODB_ASSOC_CASE == 2) return; // native
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$arr = array();
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$lowercase = (ADODB_ASSOC_CASE == 0);
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foreach($this->fields as $k => $v) {
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if (is_integer($k)) $arr[$k] = $v;
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else {
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if ($lowercase)
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$arr[strtolower($k)] = $v;
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else
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$arr[strtoupper($k)] = $v;
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}
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}
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$this->fields = $arr;
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}
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function MoveNext()
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{
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if (!$this->EOF) {
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$this->_currentRow++;
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if ($this->_numOfRows < 0 || $this->_numOfRows > $this->_currentRow) {
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$this->fields = @pg_fetch_array($this->_queryID,$this->_currentRow,$this->fetchMode);
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if (is_array($this->fields)) {
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if ($this->fields) {
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if (isset($this->_blobArr)) $this->_fixblobs();
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$this->_updatefields();
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}
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return true;
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}
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}
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$this->fields = false;
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$this->EOF = true;
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}
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return false;
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}
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}
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?>
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