forked from extern/egroupware
955 lines
28 KiB
PHP
955 lines
28 KiB
PHP
<?php
|
|
/*
|
|
V4.20 22 Feb 2004 (c) 2000-2004 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.
|
|
|
|
Original version derived from Alberto Cerezal (acerezalp@dbnet.es) - DBNet Informatica & Comunicaciones.
|
|
08 Nov 2000 jlim - Minor corrections, removing mysql stuff
|
|
09 Nov 2000 jlim - added insertid support suggested by "Christopher Kings-Lynne" <chriskl@familyhealth.com.au>
|
|
jlim - changed concat operator to || and data types to MetaType to match documented pgsql types
|
|
see http://www.postgresql.org/devel-corner/docs/postgres/datatype.htm
|
|
22 Nov 2000 jlim - added changes to FetchField() and MetaTables() contributed by "raser" <raser@mail.zen.com.tw>
|
|
27 Nov 2000 jlim - added changes to _connect/_pconnect from ideas by "Lennie" <leen@wirehub.nl>
|
|
15 Dec 2000 jlim - added changes suggested by Additional code changes by "Eric G. Werk" egw@netguide.dk.
|
|
31 Jan 2002 jlim - finally installed postgresql. testing
|
|
01 Mar 2001 jlim - Freek Dijkstra changes, also support for text type
|
|
|
|
See http://www.varlena.com/varlena/GeneralBits/47.php
|
|
|
|
-- What indexes are on my table?
|
|
select * from pg_indexes where tablename = 'tablename';
|
|
|
|
-- What triggers are on my table?
|
|
select c.relname as "Table", t.tgname as "Trigger Name",
|
|
t.tgconstrname as "Constraint Name", t.tgenabled as "Enabled",
|
|
t.tgisconstraint as "Is Constraint", cc.relname as "Referenced Table",
|
|
p.proname as "Function Name"
|
|
from pg_trigger t, pg_class c, pg_class cc, pg_proc p
|
|
where t.tgfoid = p.oid and t.tgrelid = c.oid
|
|
and t.tgconstrrelid = cc.oid
|
|
and c.relname = 'tablename';
|
|
|
|
-- What constraints are on my table?
|
|
select r.relname as "Table", c.conname as "Constraint Name",
|
|
contype as "Constraint Type", conkey as "Key Columns",
|
|
confkey as "Foreign Columns", consrc as "Source"
|
|
from pg_class r, pg_constraint c
|
|
where r.oid = c.conrelid
|
|
and relname = 'tablename';
|
|
|
|
*/
|
|
|
|
function adodb_addslashes($s)
|
|
{
|
|
$len = strlen($s);
|
|
if ($len == 0) return "''";
|
|
if (strncmp($s,"'",1) === 0 && substr(s,$len-1) == "'") return $s; // already quoted
|
|
|
|
return "'".addslashes($s)."'";
|
|
}
|
|
|
|
class ADODB_postgres64 extends ADOConnection{
|
|
var $databaseType = 'postgres64';
|
|
var $dataProvider = 'postgres';
|
|
var $hasInsertID = true;
|
|
var $_resultid = false;
|
|
var $concat_operator='||';
|
|
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\_%' 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 = 'r' 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";
|
|
|
|
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 = 'r' 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 $autoRollback = true; // apparently pgsql does not autorollback properly before 4.3.4
|
|
// http://bugs.php.net/bug.php?id=25404
|
|
|
|
var $_bindInputArray = false; // requires postgresql 7.3+ and ability to modify database
|
|
|
|
// The last (fmtTimeStamp is not entirely correct:
|
|
// PostgreSQL also has support for time zones,
|
|
// and writes these time in this format: "2001-03-01 18:59:26+02".
|
|
// There is no code for the "+02" time zone information, so I just left that out.
|
|
// I'm not familiar enough with both ADODB as well as Postgres
|
|
// to know what the concequences are. The other values are correct (wheren't in 0.94)
|
|
// -- Freek Dijkstra
|
|
|
|
function ADODB_postgres64()
|
|
{
|
|
// changes the metaColumnsSQL, adds columns: attnum[6]
|
|
}
|
|
|
|
function ServerInfo()
|
|
{
|
|
if (isset($this->version)) return $this->version;
|
|
|
|
$arr['description'] = $this->GetOne("select version()");
|
|
$arr['version'] = ADOConnection::_findvers($arr['description']);
|
|
$this->version = $arr;
|
|
return $arr;
|
|
}
|
|
/*
|
|
function IfNull( $field, $ifNull )
|
|
{
|
|
return " NULLIF($field, $ifNull) "; // if PGSQL
|
|
}
|
|
*/
|
|
// get the last id - never tested
|
|
function pg_insert_id($tablename,$fieldname)
|
|
{
|
|
$result=pg_exec($this->_connectionID, "SELECT last_value FROM ${tablename}_${fieldname}_seq");
|
|
if ($result) {
|
|
$arr = @pg_fetch_row($result,0);
|
|
pg_freeresult($result);
|
|
if (isset($arr[0])) return $arr[0];
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/* Warning from http://www.php.net/manual/function.pg-getlastoid.php:
|
|
Using a OID as a unique identifier is not generally wise.
|
|
Unless you are very careful, you might end up with a tuple having
|
|
a different OID if a database must be reloaded. */
|
|
function _insertid()
|
|
{
|
|
if (!is_resource($this->_resultid) || get_resource_type($this->_resultid) !== 'pgsql result') return false;
|
|
return pg_getlastoid($this->_resultid);
|
|
}
|
|
|
|
// I get this error with PHP before 4.0.6 - jlim
|
|
// Warning: This compilation does not support pg_cmdtuples() in d:/inetpub/wwwroot/php/adodb/adodb-postgres.inc.php on line 44
|
|
function _affectedrows()
|
|
{
|
|
if (!is_resource($this->_resultid) || get_resource_type($this->_resultid) !== 'pgsql result') return false;
|
|
return pg_cmdtuples($this->_resultid);
|
|
}
|
|
|
|
|
|
// returns true/false
|
|
function BeginTrans()
|
|
{
|
|
if ($this->transOff) return true;
|
|
$this->transCnt += 1;
|
|
return @pg_Exec($this->_connectionID, "begin");
|
|
}
|
|
|
|
function RowLock($tables,$where)
|
|
{
|
|
if (!$this->transCnt) $this->BeginTrans();
|
|
return $this->GetOne("select 1 as ignore from $tables where $where for update");
|
|
}
|
|
|
|
// returns true/false.
|
|
function CommitTrans($ok=true)
|
|
{
|
|
if ($this->transOff) return true;
|
|
if (!$ok) return $this->RollbackTrans();
|
|
|
|
$this->transCnt -= 1;
|
|
return @pg_Exec($this->_connectionID, "commit");
|
|
}
|
|
|
|
// returns true/false
|
|
function RollbackTrans()
|
|
{
|
|
if ($this->transOff) return true;
|
|
$this->transCnt -= 1;
|
|
return @pg_Exec($this->_connectionID, "rollback");
|
|
}
|
|
|
|
function &MetaTables($ttype=false,$showSchema=false,$mask=false)
|
|
{
|
|
if ($mask) {
|
|
$save = $this->metaTablesSQL;
|
|
$mask = $this->qstr(strtolower($mask));
|
|
$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 $ret;
|
|
}
|
|
|
|
/*
|
|
// if magic quotes disabled, use pg_escape_string()
|
|
function qstr($s,$magic_quotes=false)
|
|
{
|
|
if (!$magic_quotes) {
|
|
if (ADODB_PHPVER >= 0x4200) {
|
|
return "'".pg_escape_string($s)."'";
|
|
}
|
|
if ($this->replaceQuote[0] == '\\'){
|
|
$s = adodb_str_replace(array('\\',"\0"),array('\\\\',"\\\0"),$s);
|
|
}
|
|
return "'".str_replace("'",$this->replaceQuote,$s)."'";
|
|
}
|
|
|
|
// undo magic quotes for "
|
|
$s = str_replace('\\"','"',$s);
|
|
return "'$s'";
|
|
}
|
|
*/
|
|
|
|
|
|
// Format date column in sql string given an input format that understands Y M D
|
|
function SQLDate($fmt, $col=false)
|
|
{
|
|
if (!$col) $col = $this->sysTimeStamp;
|
|
$s = 'TO_CHAR('.$col.",'";
|
|
|
|
$len = strlen($fmt);
|
|
for ($i=0; $i < $len; $i++) {
|
|
$ch = $fmt[$i];
|
|
switch($ch) {
|
|
case 'Y':
|
|
case 'y':
|
|
$s .= 'YYYY';
|
|
break;
|
|
case 'Q':
|
|
case 'q':
|
|
$s .= 'Q';
|
|
break;
|
|
|
|
case 'M':
|
|
$s .= 'Mon';
|
|
break;
|
|
|
|
case 'm':
|
|
$s .= 'MM';
|
|
break;
|
|
case 'D':
|
|
case 'd':
|
|
$s .= 'DD';
|
|
break;
|
|
|
|
case 'H':
|
|
$s.= 'HH24';
|
|
break;
|
|
|
|
case 'h':
|
|
$s .= 'HH';
|
|
break;
|
|
|
|
case 'i':
|
|
$s .= 'MI';
|
|
break;
|
|
|
|
case 's':
|
|
$s .= 'SS';
|
|
break;
|
|
|
|
case 'a':
|
|
case 'A':
|
|
$s .= 'AM';
|
|
break;
|
|
|
|
default:
|
|
// handle escape characters...
|
|
if ($ch == '\\') {
|
|
$i++;
|
|
$ch = substr($fmt,$i,1);
|
|
}
|
|
if (strpos('-/.:;, ',$ch) !== false) $s .= $ch;
|
|
else $s .= '"'.$ch.'"';
|
|
|
|
}
|
|
}
|
|
return $s. "')";
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Load a Large Object from a file
|
|
* - the procedure stores the object id in the table and imports the object using
|
|
* postgres proprietary blob handling routines
|
|
*
|
|
* contributed by Mattia Rossi mattia@technologist.com
|
|
* modified for safe mode by juraj chlebec
|
|
*/
|
|
function UpdateBlobFile($table,$column,$path,$where,$blobtype='BLOB')
|
|
{
|
|
pg_exec ($this->_connectionID, "begin");
|
|
|
|
$fd = fopen($path,'r');
|
|
$contents = fread($fd,filesize($path));
|
|
fclose($fd);
|
|
|
|
$oid = pg_lo_create($this->_connectionID);
|
|
$handle = pg_lo_open($this->_connectionID, $oid, 'w');
|
|
pg_lo_write($handle, $contents);
|
|
pg_lo_close($handle);
|
|
|
|
// $oid = pg_lo_import ($path);
|
|
pg_exec($this->_connectionID, "commit");
|
|
$rs = ADOConnection::UpdateBlob($table,$column,$oid,$where,$blobtype);
|
|
$rez = !empty($rs);
|
|
return $rez;
|
|
}
|
|
|
|
/*
|
|
* If an OID is detected, then we use pg_lo_* to open the oid file and read the
|
|
* real blob from the db using the oid supplied as a parameter. If you are storing
|
|
* blobs using bytea, we autodetect and process it so this function is not needed.
|
|
*
|
|
* contributed by Mattia Rossi mattia@technologist.com
|
|
*
|
|
* see http://www.postgresql.org/idocs/index.php?largeobjects.html
|
|
*/
|
|
function BlobDecode( $blob)
|
|
{
|
|
if (strlen($blob) > 24) return $blob;
|
|
|
|
@pg_exec($this->_connectionID,"begin");
|
|
$fd = @pg_lo_open($this->_connectionID,$blob,"r");
|
|
if ($fd === false) {
|
|
@pg_exec($this->_connectionID,"commit");
|
|
return $blob;
|
|
}
|
|
$realblob = @pg_loreadall($fd);
|
|
@pg_loclose($fd);
|
|
@pg_exec($this->_connectionID,"commit");
|
|
return $realblob;
|
|
}
|
|
|
|
/*
|
|
See http://www.postgresql.org/idocs/index.php?datatype-binary.html
|
|
|
|
NOTE: SQL string literals (input strings) must be preceded with two backslashes
|
|
due to the fact that they must pass through two parsers in the PostgreSQL
|
|
backend.
|
|
*/
|
|
function BlobEncode($blob)
|
|
{
|
|
if (ADODB_PHPVER >= 0x4200) return pg_escape_bytea($blob);
|
|
|
|
/*92=backslash, 0=null, 39=single-quote*/
|
|
$badch = array(chr(92),chr(0),chr(39)); # \ null '
|
|
$fixch = array('\\\\134','\\\\000','\\\\047');
|
|
return adodb_str_replace($badch,$fixch,$blob);
|
|
|
|
// note that there is a pg_escape_bytea function only for php 4.2.0 or later
|
|
}
|
|
|
|
function UpdateBlob($table,$column,$val,$where,$blobtype='BLOB')
|
|
{
|
|
// do not use bind params which uses qstr(), as blobencode() already quotes data
|
|
return $this->Execute("UPDATE $table SET $column='".$this->BlobEncode($val)."'::bytea WHERE $where");
|
|
}
|
|
|
|
function OffsetDate($dayFraction,$date=false)
|
|
{
|
|
if (!$date) $date = $this->sysDate;
|
|
return "($date+interval'$dayFraction days')";
|
|
}
|
|
|
|
|
|
// for schema support, pass in the $table param "$schema.$tabname".
|
|
// converts field names to lowercase, $upper is ignored
|
|
function &MetaColumns($table,$upper=true)
|
|
{
|
|
global $ADODB_FETCH_MODE;
|
|
|
|
$schema = false;
|
|
$this->_findschema($table,$schema);
|
|
|
|
$table = strtolower($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) 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 = $rsdef->fields['def'];
|
|
if (substr($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;
|
|
|
|
// 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 $retarr[($upper) ? strtoupper($fld->name) : $fld->name] = $fld;
|
|
|
|
$rs->MoveNext();
|
|
}
|
|
$rs->Close();
|
|
return $retarr;
|
|
|
|
}
|
|
|
|
function &MetaIndexes ($table, $primary = FALSE)
|
|
{
|
|
global $ADODB_FETCH_MODE;
|
|
|
|
$schema = false;
|
|
$this->_findschema($table,$schema);
|
|
|
|
if ($schema) { // requires pgsql 7.3+ - pg_namespace used.
|
|
$sql = '
|
|
SELECT c.relname as "Name", i.indisunique as "Unique", i.indkey as "Columns"
|
|
FROM pg_catalog.pg_class c
|
|
JOIN pg_catalog.pg_index i ON i.indexrelid=c.oid
|
|
JOIN pg_catalog.pg_class c2 ON c2.oid=i.indrelid
|
|
,pg_namespace n
|
|
WHERE c2.relname=\'%s\' and c.relnamespace=c2.relnamespace and c.relnamespace=n.oid and n.nspname=\'%s\' AND i.indisprimary=false';
|
|
} else {
|
|
$sql = '
|
|
SELECT c.relname as "Name", i.indisunique as "Unique", i.indkey as "Columns"
|
|
FROM pg_catalog.pg_class c
|
|
JOIN pg_catalog.pg_index i ON i.indexrelid=c.oid
|
|
JOIN pg_catalog.pg_class c2 ON c2.oid=i.indrelid
|
|
WHERE c2.relname=\'%s\'';
|
|
}
|
|
|
|
if ($primary == FALSE) {
|
|
$sql .= ' AND i.indisprimary=false;';
|
|
}
|
|
|
|
$save = $ADODB_FETCH_MODE;
|
|
$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
|
|
if ($this->fetchMode !== FALSE) {
|
|
$savem = $this->SetFetchMode(FALSE);
|
|
}
|
|
|
|
$rs = $this->Execute(sprintf($sql,$table,$schema));
|
|
|
|
if (isset($savem)) {
|
|
$this->SetFetchMode($savem);
|
|
}
|
|
$ADODB_FETCH_MODE = $save;
|
|
|
|
if (!is_object($rs)) {
|
|
return FALSE;
|
|
}
|
|
|
|
$col_names = $this->MetaColumnNames($table);
|
|
$indexes = array();
|
|
|
|
while ($row = $rs->FetchRow()) {
|
|
$columns = array();
|
|
|
|
foreach (explode(' ', $row[2]) as $col) {
|
|
$columns[] = $col_names[$col - 1];
|
|
}
|
|
|
|
$indexes[$row[0]] = array(
|
|
'unique' => ($row[1] == 't'),
|
|
'columns' => $columns
|
|
);
|
|
}
|
|
|
|
return $indexes;
|
|
}
|
|
|
|
// returns true or false
|
|
//
|
|
// examples:
|
|
// $db->Connect("host=host1 user=user1 password=secret port=4341");
|
|
// $db->Connect('host1','user1','secret');
|
|
function _connect($str,$user='',$pwd='',$db='',$ctype=0)
|
|
{
|
|
|
|
if (!function_exists('pg_pconnect')) return false;
|
|
|
|
$this->_errorMsg = false;
|
|
|
|
if ($user || $pwd || $db) {
|
|
$user = adodb_addslashes($user);
|
|
$pwd = adodb_addslashes($pwd);
|
|
if (strlen($db) == 0) $db = 'template1';
|
|
$db = adodb_addslashes($db);
|
|
if ($str) {
|
|
$host = split(":", $str);
|
|
if ($host[0]) $str = "host=".adodb_addslashes($host[0]);
|
|
else $str = 'host=localhost';
|
|
if (isset($host[1])) $str .= " port=$host[1]";
|
|
}
|
|
if ($user) $str .= " user=".$user;
|
|
if ($pwd) $str .= " password=".$pwd;
|
|
if ($db) $str .= " dbname=".$db;
|
|
}
|
|
|
|
//if ($user) $linea = "user=$user host=$linea password=$pwd dbname=$db port=5432";
|
|
|
|
if ($ctype === 1) { // persistent
|
|
$this->_connectionID = pg_pconnect($str);
|
|
} else {
|
|
if ($ctype === -1) { // nconnect, we trick pgsql ext by changing the connection str
|
|
static $ncnt;
|
|
|
|
if (empty($ncnt)) $ncnt = 1;
|
|
else $ncnt += 1;
|
|
|
|
$str .= str_repeat(' ',$ncnt);
|
|
}
|
|
$this->_connectionID = pg_connect($str);
|
|
}
|
|
if ($this->_connectionID === false) return false;
|
|
$this->Execute("set datestyle='ISO'");
|
|
return true;
|
|
}
|
|
|
|
function _nconnect($argHostname, $argUsername, $argPassword, $argDatabaseName)
|
|
{
|
|
return $this->_connect($argHostname, $argUsername, $argPassword, $argDatabaseName,-1);
|
|
}
|
|
|
|
// returns true or false
|
|
//
|
|
// examples:
|
|
// $db->PConnect("host=host1 user=user1 password=secret port=4341");
|
|
// $db->PConnect('host1','user1','secret');
|
|
function _pconnect($str,$user='',$pwd='',$db='')
|
|
{
|
|
return $this->_connect($str,$user,$pwd,$db,1);
|
|
}
|
|
|
|
|
|
// returns queryID or false
|
|
function _query($sql,$inputarr)
|
|
{
|
|
|
|
if ($inputarr) {
|
|
/*
|
|
It appears that PREPARE/EXECUTE is slower for many queries.
|
|
|
|
For query executed 1000 times:
|
|
"select id,firstname,lastname from adoxyz
|
|
where firstname not like ? and lastname not like ? and id = ?"
|
|
|
|
with plan = 1.51861286163 secs
|
|
no plan = 1.26903700829 secs
|
|
|
|
|
|
|
|
*/
|
|
$plan = 'P'.md5($sql);
|
|
|
|
$execp = '';
|
|
foreach($inputarr as $v) {
|
|
if ($execp) $execp .= ',';
|
|
if (is_string($v)) {
|
|
if (strncmp($v,"'",1) !== 0) $execp .= $this->qstr($v);
|
|
} else {
|
|
$execp .= $v;
|
|
}
|
|
}
|
|
|
|
if ($execp) $exsql = "EXECUTE $plan ($execp)";
|
|
else $exsql = "EXECUTE $plan";
|
|
|
|
$rez = @pg_exec($this->_connectionID,$exsql);
|
|
if (!$rez) {
|
|
# Perhaps plan does not exist? Prepare/compile plan.
|
|
$params = '';
|
|
foreach($inputarr as $v) {
|
|
if ($params) $params .= ',';
|
|
if (is_string($v)) {
|
|
$params .= 'VARCHAR';
|
|
} else if (is_integer($v)) {
|
|
$params .= 'INTEGER';
|
|
} else {
|
|
$params .= "REAL";
|
|
}
|
|
}
|
|
$sqlarr = explode('?',$sql);
|
|
//print_r($sqlarr);
|
|
$sql = '';
|
|
$i = 1;
|
|
foreach($sqlarr as $v) {
|
|
$sql .= $v.' $'.$i;
|
|
$i++;
|
|
}
|
|
$s = "PREPARE $plan ($params) AS ".substr($sql,0,strlen($sql)-2);
|
|
//adodb_pr($s);
|
|
pg_exec($this->_connectionID,$s);
|
|
echo $this->ErrorMsg();
|
|
}
|
|
|
|
$rez = pg_exec($this->_connectionID,$exsql);
|
|
} else {
|
|
$this->_errorMsg = false;
|
|
//adodb_backtrace();
|
|
$rez = pg_exec($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 $rez;
|
|
}
|
|
|
|
|
|
/* Returns: the last error message from previous database operation */
|
|
function ErrorMsg()
|
|
{
|
|
if ($this->_errorMsg !== false) return $this->_errorMsg;
|
|
if (ADODB_PHPVER >= 0x4300) {
|
|
if (!empty($this->_resultid)) {
|
|
$this->_errorMsg = @pg_result_error($this->_resultid);
|
|
if ($this->_errorMsg) return $this->_errorMsg;
|
|
}
|
|
|
|
if (!empty($this->_connectionID)) {
|
|
$this->_errorMsg = @pg_last_error($this->_connectionID);
|
|
} else $this->_errorMsg = @pg_last_error();
|
|
} else {
|
|
if (empty($this->_connectionID)) $this->_errorMsg = @pg_errormessage();
|
|
else $this->_errorMsg = @pg_errormessage($this->_connectionID);
|
|
}
|
|
return $this->_errorMsg;
|
|
}
|
|
|
|
function ErrorNo()
|
|
{
|
|
$e = $this->ErrorMsg();
|
|
return strlen($e) ? $e : 0;
|
|
}
|
|
|
|
// returns true or false
|
|
function _close()
|
|
{
|
|
if ($this->transCnt) $this->RollbackTrans();
|
|
if ($this->_resultid) {
|
|
@pg_freeresult($this->_resultid);
|
|
$this->_resultid = false;
|
|
}
|
|
@pg_close($this->_connectionID);
|
|
$this->_connectionID = false;
|
|
return true;
|
|
}
|
|
|
|
|
|
/*
|
|
* Maximum size of C field
|
|
*/
|
|
function CharMax()
|
|
{
|
|
return 1000000000; // should be 1 Gb?
|
|
}
|
|
|
|
/*
|
|
* Maximum size of X field
|
|
*/
|
|
function TextMax()
|
|
{
|
|
return 1000000000; // should be 1 Gb?
|
|
}
|
|
|
|
|
|
}
|
|
|
|
/*--------------------------------------------------------------------------------------
|
|
Class Name: Recordset
|
|
--------------------------------------------------------------------------------------*/
|
|
|
|
class ADORecordSet_postgres64 extends ADORecordSet{
|
|
var $_blobArr;
|
|
var $databaseType = "postgres64";
|
|
var $canSeek = true;
|
|
function ADORecordSet_postgres64($queryID,$mode=false)
|
|
{
|
|
if ($mode === false) {
|
|
global $ADODB_FETCH_MODE;
|
|
$mode = $ADODB_FETCH_MODE;
|
|
}
|
|
switch ($mode)
|
|
{
|
|
case ADODB_FETCH_NUM: $this->fetchMode = PGSQL_NUM; break;
|
|
case ADODB_FETCH_ASSOC:$this->fetchMode = PGSQL_ASSOC; break;
|
|
default:
|
|
case ADODB_FETCH_DEFAULT:
|
|
case ADODB_FETCH_BOTH:$this->fetchMode = PGSQL_BOTH; break;
|
|
}
|
|
$this->ADORecordSet($queryID);
|
|
}
|
|
|
|
function &GetRowAssoc($upper=true)
|
|
{
|
|
if ($this->fetchMode == PGSQL_ASSOC && !$upper) return $this->fields;
|
|
$row =& ADORecordSet::GetRowAssoc($upper);
|
|
return $row;
|
|
}
|
|
|
|
function _initrs()
|
|
{
|
|
global $ADODB_COUNTRECS;
|
|
$this->_numOfRows = ($ADODB_COUNTRECS)? @pg_numrows($this->_queryID):-1;
|
|
$this->_numOfFields = @pg_numfields($this->_queryID);
|
|
|
|
// cache types for blob decode check
|
|
for ($i=0, $max = $this->_numOfFields; $i < $max; $i++) {
|
|
$f1 = $this->FetchField($i);
|
|
//print_r($f1);
|
|
if ($f1->type == 'bytea') $this->_blobArr[$i] = $f1->name;
|
|
}
|
|
}
|
|
|
|
/* Use associative array to get fields array */
|
|
function Fields($colname)
|
|
{
|
|
if ($this->fetchMode != PGSQL_NUM) return @$this->fields[$colname];
|
|
|
|
if (!$this->bind) {
|
|
$this->bind = array();
|
|
for ($i=0; $i < $this->_numOfFields; $i++) {
|
|
$o = $this->FetchField($i);
|
|
$this->bind[strtoupper($o->name)] = $i;
|
|
}
|
|
}
|
|
return $this->fields[$this->bind[strtoupper($colname)]];
|
|
}
|
|
|
|
function &FetchField($fieldOffset = 0)
|
|
{
|
|
$off=$fieldOffset; // offsets begin at 0
|
|
|
|
$o= new ADOFieldObject();
|
|
$o->name = @pg_fieldname($this->_queryID,$off);
|
|
$o->type = @pg_fieldtype($this->_queryID,$off);
|
|
$o->max_length = @pg_fieldsize($this->_queryID,$off);
|
|
//print_r($o);
|
|
//print "off=$off name=$o->name type=$o->type len=$o->max_length<br>";
|
|
return $o;
|
|
}
|
|
|
|
function _seek($row)
|
|
{
|
|
return @pg_fetch_row($this->_queryID,$row);
|
|
}
|
|
|
|
function _decode($blob)
|
|
{
|
|
eval('$realblob="'.adodb_str_replace(array('"','$'),array('\"','\$'),$blob).'";');
|
|
return $realblob;
|
|
}
|
|
|
|
function _fixblobs()
|
|
{
|
|
if ($this->fetchMode == PGSQL_NUM || $this->fetchMode == PGSQL_BOTH) {
|
|
foreach($this->_blobArr as $k => $v) {
|
|
$this->fields[$k] = ADORecordSet_postgres64::_decode($this->fields[$k]);
|
|
}
|
|
}
|
|
if ($this->fetchMode == PGSQL_ASSOC || $this->fetchMode == PGSQL_BOTH) {
|
|
foreach($this->_blobArr as $k => $v) {
|
|
$this->fields[$v] = ADORecordSet_postgres64::_decode($this->fields[$v]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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) && $this->fields) {
|
|
if ($this->fields && isset($this->_blobArr)) $this->_fixblobs();
|
|
return true;
|
|
}
|
|
}
|
|
$this->fields = false;
|
|
$this->EOF = true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function _fetch()
|
|
{
|
|
|
|
if ($this->_currentRow >= $this->_numOfRows && $this->_numOfRows >= 0)
|
|
return false;
|
|
|
|
$this->fields = @pg_fetch_array($this->_queryID,$this->_currentRow,$this->fetchMode);
|
|
|
|
if ($this->fields && isset($this->_blobArr)) $this->_fixblobs();
|
|
|
|
return (is_array($this->fields));
|
|
}
|
|
|
|
function _close()
|
|
{
|
|
return @pg_freeresult($this->_queryID);
|
|
}
|
|
|
|
function MetaType($t,$len=-1,$fieldobj=false)
|
|
{
|
|
if (is_object($t)) {
|
|
$fieldobj = $t;
|
|
$t = $fieldobj->type;
|
|
$len = $fieldobj->max_length;
|
|
}
|
|
switch (strtoupper($t)) {
|
|
case 'MONEY': // stupid, postgres expects money to be a string
|
|
case 'INTERVAL':
|
|
case 'CHAR':
|
|
case 'CHARACTER':
|
|
case 'VARCHAR':
|
|
case 'NAME':
|
|
case 'BPCHAR':
|
|
case '_VARCHAR':
|
|
if ($len <= $this->blobSize) return 'C';
|
|
|
|
case 'TEXT':
|
|
return 'X';
|
|
|
|
case 'IMAGE': // user defined type
|
|
case 'BLOB': // user defined type
|
|
case 'BIT': // This is a bit string, not a single bit, so don't return 'L'
|
|
case 'VARBIT':
|
|
case 'BYTEA':
|
|
return 'B';
|
|
|
|
case 'BOOL':
|
|
case 'BOOLEAN':
|
|
return 'L';
|
|
|
|
case 'DATE':
|
|
return 'D';
|
|
|
|
case 'TIME':
|
|
case 'DATETIME':
|
|
case 'TIMESTAMP':
|
|
case 'TIMESTAMPTZ':
|
|
return 'T';
|
|
|
|
case 'SMALLINT':
|
|
case 'BIGINT':
|
|
case 'INTEGER':
|
|
case 'INT8':
|
|
case 'INT4':
|
|
case 'INT2':
|
|
if (isset($fieldobj) &&
|
|
empty($fieldobj->primary_key) && empty($fieldobj->unique)) return 'I';
|
|
|
|
case 'OID':
|
|
case 'SERIAL':
|
|
return 'R';
|
|
|
|
default:
|
|
return 'N';
|
|
}
|
|
}
|
|
|
|
}
|
|
?>
|