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997 lines
30 KiB
997 lines
30 KiB
<?php
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/*
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V4.55 3 Jan 2005 (c) 2000-2005 John Lim (jlim@natsoft.com.my). 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 8.
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Original version derived from Alberto Cerezal (acerezalp@dbnet.es) - DBNet Informatica & Comunicaciones.
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08 Nov 2000 jlim - Minor corrections, removing mysql stuff
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09 Nov 2000 jlim - added insertid support suggested by "Christopher Kings-Lynne" <chriskl@familyhealth.com.au>
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jlim - changed concat operator to || and data types to MetaType to match documented pgsql types
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see http://www.postgresql.org/devel-corner/docs/postgres/datatype.htm
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22 Nov 2000 jlim - added changes to FetchField() and MetaTables() contributed by "raser" <raser@mail.zen.com.tw>
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27 Nov 2000 jlim - added changes to _connect/_pconnect from ideas by "Lennie" <leen@wirehub.nl>
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15 Dec 2000 jlim - added changes suggested by Additional code changes by "Eric G. Werk" egw@netguide.dk.
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31 Jan 2002 jlim - finally installed postgresql. testing
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01 Mar 2001 jlim - Freek Dijkstra changes, also support for text type
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See http://www.varlena.com/varlena/GeneralBits/47.php
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-- What indexes are on my table?
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select * from pg_indexes where tablename = 'tablename';
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-- What triggers are on my table?
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select c.relname as "Table", t.tgname as "Trigger Name",
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t.tgconstrname as "Constraint Name", t.tgenabled as "Enabled",
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t.tgisconstraint as "Is Constraint", cc.relname as "Referenced Table",
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p.proname as "Function Name"
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from pg_trigger t, pg_class c, pg_class cc, pg_proc p
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where t.tgfoid = p.oid and t.tgrelid = c.oid
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and t.tgconstrrelid = cc.oid
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and c.relname = 'tablename';
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-- What constraints are on my table?
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select r.relname as "Table", c.conname as "Constraint Name",
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contype as "Constraint Type", conkey as "Key Columns",
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confkey as "Foreign Columns", consrc as "Source"
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from pg_class r, pg_constraint c
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where r.oid = c.conrelid
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and relname = 'tablename';
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*/
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// security - hide paths
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if (!defined('ADODB_DIR')) die();
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function adodb_addslashes($s)
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{
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$len = strlen($s);
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if ($len == 0) return "''";
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if (strncmp($s,"'",1) === 0 && substr(s,$len-1) == "'") return $s; // already quoted
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return "'".addslashes($s)."'";
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}
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class ADODB_postgres64 extends ADOConnection{
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var $databaseType = 'postgres64';
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var $dataProvider = 'postgres';
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var $hasInsertID = true;
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var $_resultid = false;
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var $concat_operator='||';
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var $metaDatabasesSQL = "select datname from pg_database where datname not in ('template0','template1') order by 1";
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var $metaTablesSQL = "select tablename,'T' from pg_tables where tablename not like 'pg\_%'
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and tablename not in ('sql_features', 'sql_implementation_info', 'sql_languages',
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'sql_packages', 'sql_sizing', 'sql_sizing_profiles')
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union
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select viewname,'V' from pg_views where viewname not like 'pg\_%'";
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//"select tablename from pg_tables where tablename not like 'pg_%' order by 1";
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var $isoDates = true; // accepts dates in ISO format
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var $sysDate = "CURRENT_DATE";
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var $sysTimeStamp = "CURRENT_TIMESTAMP";
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var $blobEncodeType = 'C';
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var $metaColumnsSQL = "SELECT a.attname,t.typname,a.attlen,a.atttypmod,a.attnotnull,a.atthasdef,a.attnum
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FROM pg_class c, pg_attribute a,pg_type t
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WHERE relkind in ('r','v') AND (c.relname='%s' or c.relname = lower('%s')) and a.attname not like '....%%'
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AND a.attnum > 0 AND a.atttypid = t.oid AND a.attrelid = c.oid ORDER BY a.attnum";
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// used when schema defined
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var $metaColumnsSQL1 = "SELECT a.attname, t.typname, a.attlen, a.atttypmod, a.attnotnull, a.atthasdef, a.attnum
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FROM pg_class c, pg_attribute a, pg_type t, pg_namespace n
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WHERE relkind in ('r','v') AND (c.relname='%s' or c.relname = lower('%s'))
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and c.relnamespace=n.oid and n.nspname='%s'
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and a.attname not like '....%%' AND a.attnum > 0
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AND a.atttypid = t.oid AND a.attrelid = c.oid ORDER BY a.attnum";
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// get primary key etc -- from Freek Dijkstra
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var $metaKeySQL = "SELECT ic.relname AS index_name, a.attname AS column_name,i.indisunique AS unique_key, i.indisprimary AS primary_key
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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'";
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var $hasAffectedRows = true;
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var $hasLimit = false; // set to true for pgsql 7 only. support pgsql/mysql SELECT * FROM TABLE LIMIT 10
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// below suggested by Freek Dijkstra
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var $true = 't'; // string that represents TRUE for a database
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var $false = 'f'; // string that represents FALSE for a database
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var $fmtDate = "'Y-m-d'"; // used by DBDate() as the default date format used by the database
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var $fmtTimeStamp = "'Y-m-d G:i:s'"; // used by DBTimeStamp as the default timestamp fmt.
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var $hasMoveFirst = true;
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var $hasGenID = true;
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var $_genIDSQL = "SELECT NEXTVAL('%s')";
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var $_genSeqSQL = "CREATE SEQUENCE %s START %s";
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var $_dropSeqSQL = "DROP SEQUENCE %s";
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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";
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var $random = 'random()'; /// random function
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var $autoRollback = true; // apparently pgsql does not autorollback properly before php 4.3.4
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// http://bugs.php.net/bug.php?id=25404
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var $_bindInputArray = false; // requires postgresql 7.3+ and ability to modify database
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// The last (fmtTimeStamp is not entirely correct:
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// PostgreSQL also has support for time zones,
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// and writes these time in this format: "2001-03-01 18:59:26+02".
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// There is no code for the "+02" time zone information, so I just left that out.
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// I'm not familiar enough with both ADODB as well as Postgres
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// to know what the concequences are. The other values are correct (wheren't in 0.94)
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// -- Freek Dijkstra
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function ADODB_postgres64()
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{
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// changes the metaColumnsSQL, adds columns: attnum[6]
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}
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function ServerInfo()
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{
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if (isset($this->version)) return $this->version;
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$arr['description'] = $this->GetOne("select version()");
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$arr['version'] = ADOConnection::_findvers($arr['description']);
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$this->version = $arr;
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return $arr;
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}
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function IfNull( $field, $ifNull )
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{
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return " coalesce($field, $ifNull) ";
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}
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// get the last id - never tested
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function pg_insert_id($tablename,$fieldname)
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{
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$result=pg_exec($this->_connectionID, "SELECT last_value FROM ${tablename}_${fieldname}_seq");
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if ($result) {
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$arr = @pg_fetch_row($result,0);
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pg_freeresult($result);
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if (isset($arr[0])) return $arr[0];
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}
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return false;
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}
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/* Warning from http://www.php.net/manual/function.pg-getlastoid.php:
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Using a OID as a unique identifier is not generally wise.
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Unless you are very careful, you might end up with a tuple having
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a different OID if a database must be reloaded. */
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function _insertid($table,$column)
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{
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if (!is_resource($this->_resultid) || get_resource_type($this->_resultid) !== 'pgsql result') return false;
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$oid = pg_getlastoid($this->_resultid);
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// to really return the id, we need the table and column-name, else we can only return the oid != id
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return empty($table) || empty($column) ? $oid : $this->GetOne("SELECT $column FROM $table WHERE oid=".(int)$oid);
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}
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// I get this error with PHP before 4.0.6 - jlim
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// Warning: This compilation does not support pg_cmdtuples() in d:/inetpub/wwwroot/php/adodb/adodb-postgres.inc.php on line 44
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function _affectedrows()
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{
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if (!is_resource($this->_resultid) || get_resource_type($this->_resultid) !== 'pgsql result') return false;
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return pg_cmdtuples($this->_resultid);
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}
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// returns true/false
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function BeginTrans()
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{
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if ($this->transOff) return true;
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$this->transCnt += 1;
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return @pg_Exec($this->_connectionID, "begin");
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}
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function RowLock($tables,$where)
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{
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if (!$this->transCnt) $this->BeginTrans();
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return $this->GetOne("select 1 as ignore from $tables where $where for update");
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}
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// returns true/false.
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function CommitTrans($ok=true)
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{
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if ($this->transOff) return true;
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if (!$ok) return $this->RollbackTrans();
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$this->transCnt -= 1;
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return @pg_Exec($this->_connectionID, "commit");
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}
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// returns true/false
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function RollbackTrans()
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{
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if ($this->transOff) return true;
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$this->transCnt -= 1;
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return @pg_Exec($this->_connectionID, "rollback");
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}
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function &MetaTables($ttype=false,$showSchema=false,$mask=false)
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{
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$info = $this->ServerInfo();
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if ($info['version'] >= 7.3) {
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$this->metaTablesSQL = "select tablename,'T' from pg_tables where tablename not like 'pg\_%'
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and schemaname not in ( 'pg_catalog','information_schema')
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union
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select viewname,'V' from pg_views where viewname not like 'pg\_%' and schemaname not in ( 'pg_catalog','information_schema') ";
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}
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if ($mask) {
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$save = $this->metaTablesSQL;
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$mask = $this->qstr(strtolower($mask));
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if ($info['version']>=7.3)
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$this->metaTablesSQL = "
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select tablename,'T' from pg_tables where tablename like $mask and schemaname not in ( 'pg_catalog','information_schema')
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union
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select viewname,'V' from pg_views where viewname like $mask and schemaname not in ( 'pg_catalog','information_schema') ";
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else
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$this->metaTablesSQL = "
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select tablename,'T' from pg_tables where tablename like $mask
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union
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select viewname,'V' from pg_views where viewname like $mask";
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}
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$ret =& ADOConnection::MetaTables($ttype,$showSchema);
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if ($mask) {
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$this->metaTablesSQL = $save;
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}
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return $ret;
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}
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/*
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// if magic quotes disabled, use pg_escape_string()
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function qstr($s,$magic_quotes=false)
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{
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if (!$magic_quotes) {
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if (ADODB_PHPVER >= 0x4200) {
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return "'".pg_escape_string($s)."'";
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}
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if ($this->replaceQuote[0] == '\\'){
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$s = adodb_str_replace(array('\\',"\0"),array('\\\\',"\\\0"),$s);
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}
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return "'".str_replace("'",$this->replaceQuote,$s)."'";
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}
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// undo magic quotes for "
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$s = str_replace('\\"','"',$s);
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return "'$s'";
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}
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*/
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// Format date column in sql string given an input format that understands Y M D
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function SQLDate($fmt, $col=false)
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{
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if (!$col) $col = $this->sysTimeStamp;
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$s = 'TO_CHAR('.$col.",'";
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$len = strlen($fmt);
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for ($i=0; $i < $len; $i++) {
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$ch = $fmt[$i];
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switch($ch) {
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case 'Y':
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case 'y':
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$s .= 'YYYY';
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break;
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case 'Q':
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case 'q':
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$s .= 'Q';
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break;
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case 'M':
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$s .= 'Mon';
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break;
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case 'm':
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$s .= 'MM';
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break;
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case 'D':
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case 'd':
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$s .= 'DD';
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break;
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case 'H':
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$s.= 'HH24';
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break;
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case 'h':
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$s .= 'HH';
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break;
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case 'i':
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$s .= 'MI';
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break;
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case 's':
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$s .= 'SS';
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break;
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case 'a':
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case 'A':
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$s .= 'AM';
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break;
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default:
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// handle escape characters...
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if ($ch == '\\') {
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$i++;
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$ch = substr($fmt,$i,1);
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}
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if (strpos('-/.:;, ',$ch) !== false) $s .= $ch;
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else $s .= '"'.$ch.'"';
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}
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}
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return $s. "')";
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}
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/*
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* Load a Large Object from a file
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* - the procedure stores the object id in the table and imports the object using
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* postgres proprietary blob handling routines
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*
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* contributed by Mattia Rossi mattia@technologist.com
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* modified for safe mode by juraj chlebec
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*/
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function UpdateBlobFile($table,$column,$path,$where,$blobtype='BLOB')
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{
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pg_exec ($this->_connectionID, "begin");
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$fd = fopen($path,'r');
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$contents = fread($fd,filesize($path));
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fclose($fd);
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$oid = pg_lo_create($this->_connectionID);
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$handle = pg_lo_open($this->_connectionID, $oid, 'w');
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pg_lo_write($handle, $contents);
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pg_lo_close($handle);
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// $oid = pg_lo_import ($path);
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pg_exec($this->_connectionID, "commit");
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$rs = ADOConnection::UpdateBlob($table,$column,$oid,$where,$blobtype);
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$rez = !empty($rs);
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return $rez;
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}
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/*
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Hueristic - not guaranteed to work.
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*/
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function GuessOID($oid)
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{
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if (strlen($oid)>16) return false;
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return is_numeric($oid);
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}
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/*
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* If an OID is detected, then we use pg_lo_* to open the oid file and read the
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* real blob from the db using the oid supplied as a parameter. If you are storing
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* blobs using bytea, we autodetect and process it so this function is not needed.
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*
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* contributed by Mattia Rossi mattia@technologist.com
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*
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* see http://www.postgresql.org/idocs/index.php?largeobjects.html
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*
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* Since adodb 4.54, this returns the blob, instead of sending it to stdout. Also
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* added maxsize parameter, which defaults to $db->maxblobsize if not defined.
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*/
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function BlobDecode($blob,$maxsize=false,$hastrans=true)
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{
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if (!$this->GuessOID($blob)) return $blob;
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if ($hastrans) @pg_exec($this->_connectionID,"begin");
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$fd = @pg_lo_open($this->_connectionID,$blob,"r");
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if ($fd === false) {
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if ($hastrans) @pg_exec($this->_connectionID,"commit");
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return $blob;
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}
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if (!$maxsize) $maxsize = $this->maxblobsize;
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$realblob = @pg_loread($fd,$maxsize);
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@pg_loclose($fd);
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if ($hastrans) @pg_exec($this->_connectionID,"commit");
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return $realblob;
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}
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/*
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See http://www.postgresql.org/idocs/index.php?datatype-binary.html
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NOTE: SQL string literals (input strings) must be preceded with two backslashes
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due to the fact that they must pass through two parsers in the PostgreSQL
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backend.
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*/
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function BlobEncode($blob)
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{
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if (ADODB_PHPVER >= 0x4200) return pg_escape_bytea($blob);
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/*92=backslash, 0=null, 39=single-quote*/
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$badch = array(chr(92),chr(0),chr(39)); # \ null '
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$fixch = array('\\\\134','\\\\000','\\\\047');
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return adodb_str_replace($badch,$fixch,$blob);
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// note that there is a pg_escape_bytea function only for php 4.2.0 or later
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}
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function UpdateBlob($table,$column,$val,$where,$blobtype='BLOB')
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{
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// do not use bind params which uses qstr(), as blobencode() already quotes data
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return $this->Execute("UPDATE $table SET $column='".$this->BlobEncode($val)."'::bytea WHERE $where");
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}
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function OffsetDate($dayFraction,$date=false)
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{
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if (!$date) $date = $this->sysDate;
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return "($date+interval'$dayFraction days')";
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}
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// for schema support, pass in the $table param "$schema.$tabname".
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// converts field names to lowercase, $upper is ignored
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function &MetaColumns($table,$normalize=true)
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{
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global $ADODB_FETCH_MODE;
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$schema = false;
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$this->_findschema($table,$schema);
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if ($normalize) $table = strtolower($table);
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$save = $ADODB_FETCH_MODE;
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$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
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if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false);
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if ($schema) $rs =& $this->Execute(sprintf($this->metaColumnsSQL1,$table,$table,$schema));
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else $rs =& $this->Execute(sprintf($this->metaColumnsSQL,$table,$table));
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if (isset($savem)) $this->SetFetchMode($savem);
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$ADODB_FETCH_MODE = $save;
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if ($rs === false) {
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$false = false;
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return $false;
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}
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if (!empty($this->metaKeySQL)) {
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// If we want the primary keys, we have to issue a separate query
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// Of course, a modified version of the metaColumnsSQL query using a
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// LEFT JOIN would have been much more elegant, but postgres does
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// not support OUTER JOINS. So here is the clumsy way.
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$ADODB_FETCH_MODE = ADODB_FETCH_ASSOC;
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$rskey = $this->Execute(sprintf($this->metaKeySQL,($table)));
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// 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();
|
|
}
|
|
$rs->Close();
|
|
return empty($retarr) ? false : $retarr;
|
|
|
|
}
|
|
|
|
function &MetaIndexes ($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\' or c2.relname=lower(\'%s\')) and c.relnamespace=c2.relnamespace and c.relnamespace=n.oid and n.nspname=\'%s\' AND i.indisprimary=false';
|
|
} else {
|
|
$sql = '
|
|
SELECT c.relname as "Name", i.indisunique as "Unique", i.indkey as "Columns"
|
|
FROM pg_catalog.pg_class c
|
|
JOIN pg_catalog.pg_index i ON i.indexrelid=c.oid
|
|
JOIN pg_catalog.pg_class c2 ON c2.oid=i.indrelid
|
|
WHERE c2.relname=\'%s\' or c2.relname=lower(\'%s\')';
|
|
}
|
|
|
|
if ($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,$table,$table,$schema));
|
|
if (isset($savem)) {
|
|
$this->SetFetchMode($savem);
|
|
}
|
|
$ADODB_FETCH_MODE = $save;
|
|
|
|
if (!is_object($rs)) {
|
|
$false = false;
|
|
return $false;
|
|
}
|
|
|
|
$col_names = $this->MetaColumnNames($table,true);
|
|
$indexes = array();
|
|
while ($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 null;
|
|
|
|
$this->_errorMsg = false;
|
|
|
|
if ($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 = $this->ErrorMsg();
|
|
if (strlen($e)) {
|
|
return ADOConnection::MetaError($e);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// returns true or false
|
|
function _close()
|
|
{
|
|
if ($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;
|
|
|
|
case ADODB_FETCH_DEFAULT:
|
|
case ADODB_FETCH_BOTH:
|
|
default: $this->fetchMode = PGSQL_BOTH; break;
|
|
}
|
|
$this->adodbFetchMode = $mode;
|
|
$this->ADORecordSet($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;
|
|
$qid = $this->_queryID;
|
|
$this->_numOfRows = ($ADODB_COUNTRECS)? @pg_numrows($qid):-1;
|
|
$this->_numOfFields = @pg_numfields($qid);
|
|
|
|
// cache types for blob decode check
|
|
for ($i=0, $max = $this->_numOfFields; $i < $max; $i++) {
|
|
if (pg_fieldtype($qid,$i) == 'bytea') {
|
|
$this->_blobArr[$i] = pg_fieldname($qid,$i);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* 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($colname)]];
|
|
}
|
|
|
|
function &FetchField($off = 0)
|
|
{
|
|
// 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);
|
|
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) && $this->fields) {
|
|
if (isset($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':
|
|
case 'INET':
|
|
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';
|
|
}
|
|
}
|
|
|
|
}
|
|
?>
|
|
|