diff options
Diffstat (limited to 'framework/DataAccess/adodb/drivers/adodb-postgres7.inc.php')
| -rw-r--r-- | framework/DataAccess/adodb/drivers/adodb-postgres7.inc.php | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/framework/DataAccess/adodb/drivers/adodb-postgres7.inc.php b/framework/DataAccess/adodb/drivers/adodb-postgres7.inc.php new file mode 100644 index 00000000..92baac01 --- /dev/null +++ b/framework/DataAccess/adodb/drivers/adodb-postgres7.inc.php @@ -0,0 +1,262 @@ +<?php +/* + V4.72 21 Feb 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 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_'; + } + $this->_bindInputArray = PHP_VERSION >= 5.1; + } + + + // the following should be compat with postgresql 7.2, + // which makes obsolete the LIMIT limit,offset syntax + function &SelectLimit($sql,$nrows=-1,$offset=-1,$inputarr=false,$secs2cache=0) + { + $offsetStr = ($offset >= 0) ? " OFFSET ".((integer)$offset) : ''; + $limitStr = ($nrows >= 0) ? " LIMIT ".((integer)$nrows) : ''; + if ($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 $a; + } + return false; + } + + function _query($sql,$inputarr) + { + if (! $this->_bindInputArray) { + // We don't have native support for parameterized queries, so let's emulate it at the parent + return ADODB_postgres64::_query($sql, $inputarr); + } + // -- added Cristiano da Cunha Duarte + if ($inputarr) { + $sqlarr = explode('?',trim($sql)); + $sql = ''; + $i = 1; + $last = sizeof($sqlarr)-1; + foreach($sqlarr as $v) { + if ($last < $i) $sql .= $v; + else $sql .= $v.' $'.$i; + $i++; + } + + $rez = pg_query_params($this->_connectionID,$sql, $inputarr); + } else { + $rez = pg_query($this->_connectionID,$sql); + } + // check if no data returned, then no need to create real recordset + if ($rez && pg_numfields($rez) <= 0) { + if (is_resource($this->_resultid) && get_resource_type($this->_resultid) === 'pgsql result') { + pg_freeresult($this->_resultid); + } + $this->_resultid = $rez; + return true; + } + return $rez; + } + + // 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; + } +} +?>
\ No newline at end of file |