TYPO3_6-2/adodb-pdo__pgsql_8inc_8php_source.html

 <?php

 /*
 V5.19  23-Apr-2014  (c) 2000-2014 John Lim (jlim#natsoft.com). 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.

 */

 class ADODB_pdo_pgsql extends ADODB_pdo {
     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\_%'
     and tablename not in ('sql_features', 'sql_implementation_info', 'sql_languages',
      'sql_packages', 'sql_sizing', 'sql_sizing_profiles')
     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 in ('r','v') 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";

     // used when schema defined
     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 in ('r','v') 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()';
     var $concat_operator='||';

     function _init($parentDriver)
     {

         $parentDriver->hasTransactions = false; ## <<< BUG IN PDO pgsql driver
         $parentDriver->hasInsertID = true;
         $parentDriver->_nestedSQL = true;
     }

     function ServerInfo()
     {
         $arr['description'] = ADOConnection::GetOne("select version()");
         $arr['version'] = ADOConnection::_findvers($arr['description']);
         return $arr;
     }

     function SelectLimit($sql,$nrows=-1,$offset=-1,$inputarr=false,$secs2cache=0)
     {
          $offsetStr = ($offset >= 0) ? " OFFSET $offset" : '';
          $limitStr  = ($nrows >= 0)  ? " LIMIT $nrows" : '';
          if ($secs2cache)
             $rs = $this->CacheExecute($secs2cache,$sql."$limitStr$offsetStr",$inputarr);
          else
             $rs = $this->Execute($sql."$limitStr$offsetStr",$inputarr);

         return $rs;
     }

     function MetaTables($ttype=false,$showSchema=false,$mask=false)
     {
         $info = $this->ServerInfo();
         if ($info['version'] >= 7.3) {
             $this->metaTablesSQL = "select tablename,'T' from pg_tables where tablename not like 'pg\_%'
               and schemaname  not in ( 'pg_catalog','information_schema')
     union
         select viewname,'V' from pg_views where viewname not like 'pg\_%'  and schemaname  not in ( 'pg_catalog','information_schema') ";
         }
         if ($mask) {
             $save = $this->metaTablesSQL;
             $mask = $this->qstr(strtolower($mask));
             if ($info['version']>=7.3)
                 $this->metaTablesSQL = "
 select tablename,'T' from pg_tables where tablename like $mask and schemaname not in ( 'pg_catalog','information_schema')
  union
 select viewname,'V' from pg_views where viewname like $mask and schemaname  not in ( 'pg_catalog','information_schema')  ";
             else
                 $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;
     }

     function MetaColumns($table,$normalize=true)
     {
     global $ADODB_FETCH_MODE;

         $schema = false;
         $this->_findschema($table,$schema);

         if ($normalize) $table = strtolower($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) {
             $false = 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 = $rsdef->fields['def'];
                     if (strpos($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();
         }
         $rs->Close();
         if (empty($retarr)) {
             $false = false;
             return $false;
         } else return $retarr;

     }

 }
ADODB_pdo_pgsql\$concat_operator
$concat_operator
random function
Definition: adodb-pdo_pgsql.inc.php:55

ADODB_pdo_pgsql\$metaColumnsSQL1
$metaColumnsSQL1
Definition: adodb-pdo_pgsql.inc.php:30

ADODB_pdo_pgsql\$metaColumnsSQL
$metaColumnsSQL
Definition: adodb-pdo_pgsql.inc.php:24

ADODB_pdo_pgsql\ServerInfo
ServerInfo()
Definition: adodb-pdo_pgsql.inc.php:65

$sql
$sql
Definition: server.php:82

ADODB_pdo_pgsql\$sysDate
$sysDate
Definition: adodb-pdo_pgsql.inc.php:21

ADODB_pdo_pgsql\SelectLimit
SelectLimit($sql, $nrows=-1, $offset=-1, $inputarr=false, $secs2cache=0)
Definition: adodb-pdo_pgsql.inc.php:72

$rs
if(isset($_REQUEST['nrows'])) else $rs
Definition: server.php:92

ADODB_pdo_pgsql\$sysTimeStamp
$sysTimeStamp
Definition: adodb-pdo_pgsql.inc.php:22

ADODB_pdo_pgsql\MetaColumns
MetaColumns($table, $normalize=true)
Definition: adodb-pdo_pgsql.inc.php:115

ADODB_pdo_pgsql\$isoDates
$isoDates
Definition: adodb-pdo_pgsql.inc.php:20

ADODB_pdo_pgsql\$_genIDSQL
$_genIDSQL
Definition: adodb-pdo_pgsql.inc.php:50

ADODB_pdo_pgsql\$hasMoveFirst
$hasMoveFirst
Definition: adodb-pdo_pgsql.inc.php:48

ADODB_pdo_pgsql\$metaDatabasesSQL
$metaDatabasesSQL
Definition: adodb-pdo_pgsql.inc.php:13

ADODB_pdo_pgsql\$metaDefaultsSQL
$metaDefaultsSQL
Definition: adodb-pdo_pgsql.inc.php:53

ADODB_pdo_pgsql\$fmtDate
$fmtDate
Definition: adodb-pdo_pgsql.inc.php:46

ADODB_pdo_pgsql\$random
$random
Definition: adodb-pdo_pgsql.inc.php:54

ADODB_pdo_pgsql
Definition: adodb-pdo_pgsql.inc.php:12

ADODB_pdo_pgsql\$_genSeqSQL
$_genSeqSQL
Definition: adodb-pdo_pgsql.inc.php:51

ADODB_pdo_pgsql\$fmtTimeStamp
$fmtTimeStamp
Definition: adodb-pdo_pgsql.inc.php:47

ADODB_pdo_pgsql\$hasGenID
$hasGenID
Definition: adodb-pdo_pgsql.inc.php:49

ADODB_pdo_pgsql\$_dropSeqSQL
$_dropSeqSQL
Definition: adodb-pdo_pgsql.inc.php:52

ADODB_pdo_pgsql\_init
_init($parentDriver)
Definition: adodb-pdo_pgsql.inc.php:57

ADODB_pdo_pgsql\$blobEncodeType
$blobEncodeType
Definition: adodb-pdo_pgsql.inc.php:23

ADODB_pdo
Definition: adodb-pdo.inc.php:70

ADODB_pdo_pgsql\MetaTables
MetaTables($ttype=false, $showSchema=false, $mask=false)
Definition: adodb-pdo_pgsql.inc.php:84

ADODB_pdo_pgsql\$hasLimit
$hasLimit
Definition: adodb-pdo_pgsql.inc.php:42

ADODB_pdo_pgsql\$false
$false
Definition: adodb-pdo_pgsql.inc.php:45

ADODB_pdo_pgsql\$metaKeySQL
$metaKeySQL
Definition: adodb-pdo_pgsql.inc.php:38

ADODB_pdo_pgsql\$true
$true
Definition: adodb-pdo_pgsql.inc.php:44

ADODB_pdo_pgsql\$hasAffectedRows
$hasAffectedRows
Definition: adodb-pdo_pgsql.inc.php:41

ADODB_pdo_pgsql\$metaTablesSQL
$metaTablesSQL
Definition: adodb-pdo_pgsql.inc.php:14