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See line 218 - possible fix for DropColumn() to ensure dropped column name is not in the sql

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This commit is contained in:
Miles Lott 2003-12-17 12:54:17 +00:00
parent c483096849
commit 6674d23cd1
1 changed files with 85 additions and 75 deletions
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160
phpgwapi/inc/class.schema_proc_pgsql.inc.php
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@ -45,11 +45,11 @@
$sTranslated = 'text'; $sTranslated = 'text';
break; break;
case 'char': case 'char':
if ($iPrecision > 0 && $iPrecision < 256) if($iPrecision > 0 && $iPrecision < 256)
{ {
$sTranslated = sprintf("char(%d)", $iPrecision); $sTranslated = sprintf("char(%d)", $iPrecision);
} }
if ($iPrecision > 255) if($iPrecision > 255)
{ {
$sTranslated = 'text'; $sTranslated = 'text';
} }
@ -61,15 +61,15 @@
$sTranslated = sprintf("decimal(%d,%d)", $iPrecision, $iScale); $sTranslated = sprintf("decimal(%d,%d)", $iPrecision, $iScale);
break; break;
case 'float': case 'float':
if ($iPrecision == 4 || $iPrecision == 8) if($iPrecision == 4 || $iPrecision == 8)
{ {
$sTranslated = sprintf("float%d", $iPrecision); $sTranslated = sprintf("float%d", $iPrecision);
} }
break; break;
case 'int': case 'int':
if ($iPrecision == 2 || $iPrecision == 4 || $iPrecision == 8) if($iPrecision == 2 || $iPrecision == 4 || $iPrecision == 8)
{ {
$sTranslated = sprintf("int%d", $iPrecision); $sTranslated = sprintf("int%d", $iPrecision);
} }
break; break;
case 'longtext': case 'longtext':
@ -82,11 +82,11 @@
$sTranslated = 'timestamp'; $sTranslated = 'timestamp';
break; break;
case 'varchar': case 'varchar':
if ($iPrecision > 0 && $iPrecision < 256) if($iPrecision > 0 && $iPrecision < 256)
{ {
$sTranslated = sprintf("varchar(%d)", $iPrecision); $sTranslated = sprintf("varchar(%d)", $iPrecision);
} }
if ($iPrecision > 255) if($iPrecision > 255)
{ {
$sTranslated = 'text'; $sTranslated = 'text';
} }
@ -97,7 +97,7 @@
function TranslateDefault($sDefault) function TranslateDefault($sDefault)
{ {
switch ($sDefault) switch($sDefault)
{ {
case 'current_date': case 'current_date':
case 'current_timestamp': case 'current_timestamp':
@ -126,11 +126,11 @@
break; break;
case 'bpchar': case 'bpchar':
case 'char': case 'char':
if ($iPrecision > 0 && $iPrecision < 256) if($iPrecision > 0 && $iPrecision < 256)
{ {
$sTranslated = "'type' => 'char', 'precision' => $iPrecision"; $sTranslated = "'type' => 'char', 'precision' => $iPrecision";
} }
if ($iPrecision > 255) if($iPrecision > 255)
{ {
$sTranslated = "'type' => 'text'"; $sTranslated = "'type' => 'text'";
} }
@ -152,11 +152,11 @@
$sTranslated = "'type' => 'timestamp'"; $sTranslated = "'type' => 'timestamp'";
break; break;
case 'varchar': case 'varchar':
if ($iPrecision > 0 && $iPrecision < 256) if($iPrecision > 0 && $iPrecision < 256)
{ {
$sTranslated = "'type' => 'varchar', 'precision' => $iPrecision"; $sTranslated = "'type' => 'varchar', 'precision' => $iPrecision";
} }
if ($iPrecision > 255) if($iPrecision > 255)
{ {
$sTranslated = "'type' => 'text'"; $sTranslated = "'type' => 'text'";
} }
@ -185,7 +185,7 @@
return "INDEX($sFields)"; return "INDEX($sFields)";
} }
function _GetColumns($oProc, $sTableName, &$sColumns, $sDropColumn = '', $sAlteredColumn = '', $sAlteredColumnType = '') function _GetColumns($oProc, $sTableName, &$sColumns, $sDropColumn='', $sAlteredColumn='', $sAlteredColumnType='')
{ {
$sdb = $oProc->m_odb; $sdb = $oProc->m_odb;
$sdc = $oProc->m_odb; $sdc = $oProc->m_odb;
@ -198,23 +198,29 @@
$query = "SELECT a.attname,a.attnum FROM pg_attribute a,pg_class b WHERE "; $query = "SELECT a.attname,a.attnum FROM pg_attribute a,pg_class b WHERE ";
$query .= "b.oid=a.attrelid AND a.attnum>0 and b.relname='$sTableName'"; $query .= "b.oid=a.attrelid AND a.attnum>0 and b.relname='$sTableName'";
if ($sDropColumn != '') if($sDropColumn != '')
{ {
$query .= " AND a.attname != '$sDropColumn'"; $query .= " AND a.attname != '$sDropColumn'";
} }
$query .= ' ORDER BY a.attnum'; $query .= ' ORDER BY a.attnum';
// echo '_GetColumns: ' . $query;
$oProc->m_odb->query($query); $oProc->m_odb->query($query);
while ($oProc->m_odb->next_record()) while($oProc->m_odb->next_record())
{ {
if ($sColumns != '') if($sColumns != '')
{ {
$sColumns .= ','; $sColumns .= ',';
} }
$sFieldName = $oProc->m_odb->f(0); $sFieldName = $oProc->m_odb->f(0);
$sColumns .= $sFieldName; /* Failsafe in case the query still includes the column to be dropped */
if ($sAlteredColumn == $sFieldName && $sAlteredColumnType != '') if($sFieldName != $sDropColumn)
{
$sColumns .= $sFieldName;
}
if($sAlteredColumn == $sFieldName && $sAlteredColumnType != '')
{ {
$sColumns .= '::' . $sAlteredColumnType; $sColumns .= '::' . $sAlteredColumnType;
} }
@ -241,12 +247,12 @@
ORDER BY a.attnum"; ORDER BY a.attnum";
/* attnum field type length lengthvar notnull(Yes/No) */ /* attnum field type length lengthvar notnull(Yes/No) */
$sdb->query($sql_get_fields); $sdb->query($sql_get_fields);
while ($sdb->next_record()) while($sdb->next_record())
{ {
$colnum = $sdb->f(0); $colnum = $sdb->f(0);
$colname = $sdb->f(1); $colname = $sdb->f(1);
if ($sdb->f(5) == 'Yes') if($sdb->f(5) == 'Yes')
{ {
$null = "'nullable' => True"; $null = "'nullable' => True";
} }
@ -255,17 +261,17 @@
$null = "'nullable' => False"; $null = "'nullable' => False";
} }
if ($sdb->f(2) == 'numeric') if($sdb->f(2) == 'numeric')
{ {
$prec = $sdb->f(3); $prec = $sdb->f(3);
$scale = $sdb->f(4); $scale = $sdb->f(4);
} }
elseif ($sdb->f(3) > 0) elseif($sdb->f(3) > 0)
{ {
$prec = $sdb->f(3); $prec = $sdb->f(3);
$scale = 0; $scale = 0;
} }
elseif ($sdb->f(4) > 0) elseif($sdb->f(4) > 0)
{ {
$prec = $sdb->f(4) - 4; $prec = $sdb->f(4) - 4;
$scale = 0; $scale = 0;
@ -288,9 +294,9 @@
"; ";
$sdc->query($sql_get_default); $sdc->query($sql_get_default);
$sdc->next_record(); $sdc->next_record();
if ($sdc->f(0)) if($sdc->f(0))
{ {
if (ereg('nextval',$sdc->f(0))) if(strstr($sdc->f(0),'nextval'))
{ {
$default = ''; $default = '';
$nullcomma = ''; $nullcomma = '';
@ -306,7 +312,7 @@
$default = ''; $default = '';
$nullcomma = ''; $nullcomma = '';
} }
$default = ereg_replace("''","'",$default); $default = str_replace("''","'",$default);
$this->sCol[] = "\t\t\t\t'" . $colname . "' => array(" . $type . ',' . $null . $nullcomma . $default . '),' . "\n"; $this->sCol[] = "\t\t\t\t'" . $colname . "' => array(" . $type . ',' . $null . $nullcomma . $default . '),' . "\n";
} }
@ -334,14 +340,14 @@
ORDER BY ORDER BY
index_name, tab_name, column_name"; index_name, tab_name, column_name";
$sdc->query($sql_pri_keys); $sdc->query($sql_pri_keys);
while ($sdc->next_record()) while($sdc->next_record())
{ {
//echo '<br> checking: ' . $sdc->f(4); //echo '<br> checking: ' . $sdc->f(4);
if ($sdc->f(4) == 't') if($sdc->f(4) == 't')
{ {
$this->pk[] = $sdc->f(2); $this->pk[] = $sdc->f(2);
} }
if ($sdc->f(3) == 't') if($sdc->f(3) == 't')
{ {
$this->uc[] = $sdc->f(2); $this->uc[] = $sdc->f(2);
} }
@ -349,21 +355,21 @@
/* ugly as heck, but is here to chop the trailing comma on the last element (for php3) */ /* ugly as heck, but is here to chop the trailing comma on the last element (for php3) */
$this->sCol[count($this->sCol) - 1] = substr($this->sCol[count($this->sCol) - 1],0,-2) . "\n"; $this->sCol[count($this->sCol) - 1] = substr($this->sCol[count($this->sCol) - 1],0,-2) . "\n";
return false; return False;
} }
function _CopyAlteredTable($oProc, &$aTables, $sSource, $sDest) function _CopyAlteredTable($oProc, &$aTables, $sSource, $sDest)
{ {
$oDB = $oProc->m_odb; $oDB = $oProc->m_odb;
$oProc->m_odb->query("select * from $sSource"); $oProc->m_odb->query("SELECT * FROM $sSource");
while ($oProc->m_odb->next_record()) while($oProc->m_odb->next_record())
{ {
$sSQL = "INSERT INTO $sDest ("; $sSQL = "INSERT INTO $sDest (";
$i=0; $i=0;
@reset($aTables[$sDest]['fd']); @reset($aTables[$sDest]['fd']);
while (list($name,$arraydef) = each($aTables[$sDest]['fd'])) while(list($name,$arraydef) = each($aTables[$sDest]['fd']))
{ {
if ($i > 0) if($i > 0)
{ {
$sSQL .= ','; $sSQL .= ',';
} }
@ -374,17 +380,17 @@
$sSQL .= ') VALUES ('; $sSQL .= ') VALUES (';
@reset($aTables[$sDest]['fd']); @reset($aTables[$sDest]['fd']);
$i=0; $i = 0;
while (list($name,$arraydef) = each($aTables[$sDest]['fd'])) while(list($name,$arraydef) = each($aTables[$sDest]['fd']))
{ {
if ($i > 0) if($i > 0)
{ {
$sSQL .= ','; $sSQL .= ',';
} }
if ($oProc->m_odb->f($name) != null) if($oProc->m_odb->f($name) != null)
{ {
switch ($arraydef['type']) switch($arraydef['type'])
{ {
case 'blob': case 'blob':
case 'char': case 'char':
@ -395,7 +401,7 @@
$sSQL .= "'" . $oProc->m_odb->db_addslashes($oProc->m_odb->f($name)) . "'"; $sSQL .= "'" . $oProc->m_odb->db_addslashes($oProc->m_odb->f($name)) . "'";
break; break;
default: default:
$sSQL .= intval($oProc->m_odb->f($name)); $sSQL .= (int)$oProc->m_odb->f($name);
} }
} }
else else
@ -414,12 +420,11 @@
function GetSequenceForTable($oProc,$table,&$sSequenceName) function GetSequenceForTable($oProc,$table,&$sSequenceName)
{ {
global $DEBUG; if($GLOBALS['DEBUG']) { echo '<br>GetSequenceForTable: ' . $table; }
if($DEBUG) { echo '<br>GetSequenceForTable: ' . $table; }
$oProc->m_odb->query("SELECT relname FROM pg_class WHERE NOT relname ~ 'pg_.*' AND relname LIKE 'seq_$table' AND relkind='S' ORDER BY relname",__LINE__,__FILE__); $oProc->m_odb->query("SELECT relname FROM pg_class WHERE NOT relname ~ 'pg_.*' AND relname LIKE 'seq_$table' AND relkind='S' ORDER BY relname",__LINE__,__FILE__);
$oProc->m_odb->next_record(); $oProc->m_odb->next_record();
if ($oProc->m_odb->f('relname')) if($oProc->m_odb->f('relname'))
{ {
$sSequenceName = $oProc->m_odb->f('relname'); $sSequenceName = $oProc->m_odb->f('relname');
} }
@ -428,11 +433,11 @@
function GetSequenceFieldForTable($oProc,$table,&$sField) function GetSequenceFieldForTable($oProc,$table,&$sField)
{ {
global $DEBUG; if($GLOBALS['DEBUG']) { echo '<br>GetSequenceFieldForTable: You rang?'; }
if($DEBUG) { echo '<br>GetSequenceFieldForTable: You rang?'; }
$oProc->m_odb->query("SELECT a.attname FROM pg_attribute a, pg_class c, pg_attrdef d WHERE c.relname='$table' AND c.oid=d.adrelid AND d.adsrc LIKE '%seq_$table%' AND a.attrelid=c.oid AND d.adnum=a.attnum"); $oProc->m_odb->query("SELECT a.attname FROM pg_attribute a, pg_class c, pg_attrdef d WHERE c.relname='$table' AND c.oid=d.adrelid AND d.adsrc LIKE '%seq_$table%' AND a.attrelid=c.oid AND d.adnum=a.attnum");
$oProc->m_odb->next_record(); $oProc->m_odb->next_record();
if ($oProc->m_odb->f('attname')) if($oProc->m_odb->f('attname'))
{ {
$sField = $oProc->m_odb->f('attname'); $sField = $oProc->m_odb->f('attname');
} }
@ -441,11 +446,10 @@
function DropSequenceForTable($oProc,$table) function DropSequenceForTable($oProc,$table)
{ {
global $DEBUG; if($GLOBALS['DEBUG']) { echo '<br>DropSequenceForTable: ' . $table; }
if($DEBUG) { echo '<br>DropSequenceForTable: ' . $table; }
$this->GetSequenceForTable($oProc,$table,$sSequenceName); $this->GetSequenceForTable($oProc,$table,$sSequenceName);
if ($sSequenceName) if($sSequenceName)
{ {
$oProc->m_odb->query("DROP SEQUENCE " . $sSequenceName,__LINE__,__FILE__); $oProc->m_odb->query("DROP SEQUENCE " . $sSequenceName,__LINE__,__FILE__);
} }
@ -457,12 +461,17 @@
$this->DropSequenceForTable($oProc,$sTableName); $this->DropSequenceForTable($oProc,$sTableName);
return $oProc->m_odb->query("DROP TABLE " . $sTableName) && return $oProc->m_odb->query("DROP TABLE " . $sTableName) &&
$this->DropSequenceForTable($oProc, $sTableName); $this->DropSequenceForTable($oProc, $sTableName);
} }
function DropColumn($oProc, &$aTables, $sTableName, $aNewTableDef, $sColumnName, $bCopyData = true) function DropColumn($oProc, &$aTables, $sTableName, $aNewTableDef, $sColumnName, $bCopyData = true)
{ {
if ($bCopyData) if($GLOBALS['DEBUG'])
{
echo '<br>DropColumn: table=' . $sTableName . ', column=' . $sColumnName;
}
if($bCopyData)
{ {
$oProc->m_odb->query("SELECT * INTO $sTableName" . "_tmp FROM $sTableName"); $oProc->m_odb->query("SELECT * INTO $sTableName" . "_tmp FROM $sTableName");
} }
@ -475,7 +484,7 @@
$oProc->m_odb->query($sSequenceSQL); $oProc->m_odb->query($sSequenceSQL);
} }
$query = "CREATE TABLE $sTableName ($sTableSQL)"; $query = "CREATE TABLE $sTableName ($sTableSQL)";
if (!$bCopyData) if(!$bCopyData)
{ {
return !!($oProc->m_odb->query($query)); return !!($oProc->m_odb->query($query));
} }
@ -489,31 +498,33 @@
function RenameTable($oProc, &$aTables, $sOldTableName, $sNewTableName) function RenameTable($oProc, &$aTables, $sOldTableName, $sNewTableName)
{ {
global $DEBUG; if($GLOBALS['DEBUG']) { echo '<br>RenameTable(): Fetching old sequence for: ' . $sOldTableName; }
if ($DEBUG) { echo '<br>RenameTable(): Fetching old sequence for: ' . $sOldTableName; }
$this->GetSequenceForTable($oProc,$sOldTableName,$sSequenceName); $this->GetSequenceForTable($oProc,$sOldTableName,$sSequenceName);
if ($DEBUG) { echo ' - ' . $sSequenceName; }
if ($DEBUG) { echo '<br>RenameTable(): Fetching sequence field for: ' . $sOldTableName; }
$this->GetSequenceFieldForTable($oProc,$sOldTableName,$sField);
if ($DEBUG) { echo ' - ' . $sField; }
if ($sSequenceName) if($GLOBALS['DEBUG']) { echo ' - ' . $sSequenceName; }
if($GLOBALS['DEBUG']) { echo '<br>RenameTable(): Fetching sequence field for: ' . $sOldTableName; }
$this->GetSequenceFieldForTable($oProc,$sOldTableName,$sField);
if($GLOBALS['DEBUG']) { echo ' - ' . $sField; }
if($sSequenceName)
{ {
$oProc->m_odb->query("SELECT last_value FROM seq_$sOldTableName",__LINE__,__FILE__); $oProc->m_odb->query("SELECT last_value FROM seq_$sOldTableName",__LINE__,__FILE__);
$oProc->m_odb->next_record(); $oProc->m_odb->next_record();
$lastval = $oProc->m_odb->f(0); $lastval = $oProc->m_odb->f(0);
if ($DEBUG) { echo '<br>RenameTable(): dropping old sequence: ' . $sSequenceName . ' used on field: ' . $sField; } if($GLOBALS['DEBUG']) { echo '<br>RenameTable(): dropping old sequence: ' . $sSequenceName . ' used on field: ' . $sField; }
$this->DropSequenceForTable($oProc,$sOldTableName); $this->DropSequenceForTable($oProc,$sOldTableName);
if ($lastval) if($lastval)
{ {
$lastval = ' start ' . $lastval; $lastval = ' start ' . $lastval;
} }
$this->GetSequenceSQL($sNewTableName,$sSequenceSQL); $this->GetSequenceSQL($sNewTableName,$sSequenceSQL);
if ($DEBUG) { echo '<br>RenameTable(): Making new sequence using: ' . $sSequenceSQL . $lastval; } if($GLOBALS['DEBUG']) { echo '<br>RenameTable(): Making new sequence using: ' . $sSequenceSQL . $lastval; }
$oProc->m_odb->query($sSequenceSQL . $lastval,__LINE__,__FILE__); $oProc->m_odb->query($sSequenceSQL . $lastval,__LINE__,__FILE__);
if ($DEBUG) { echo '<br>RenameTable(): Altering column default for: ' . $sField; } if($GLOBALS['DEBUG']) { echo '<br>RenameTable(): Altering column default for: ' . $sField; }
$oProc->m_odb->query("ALTER TABLE $sOldTableName ALTER $sField SET DEFAULT nextval('seq_" . $sNewTableName . "')",__LINE__,__FILE__); $oProc->m_odb->query("ALTER TABLE $sOldTableName ALTER $sField SET DEFAULT nextval('seq_" . $sNewTableName . "')",__LINE__,__FILE__);
} }
@ -540,14 +551,14 @@
This really needs testing - it can affect primary keys, and other table-related objects This really needs testing - it can affect primary keys, and other table-related objects
like sequences and such like sequences and such
*/ */
if ($bCopyData) if($bCopyData)
{ {
$oProc->m_odb->query("SELECT * INTO $sTableName" . "_tmp FROM $sTableName"); $oProc->m_odb->query("SELECT * INTO $sTableName" . "_tmp FROM $sTableName");
} }
$this->DropTable($oProc, $aTables, $sTableName); $this->DropTable($oProc, $aTables, $sTableName);
if (!$bCopyData) if(!$bCopyData)
{ {
return $this->CreateTable($oProc, $aTables, $sTableName, $oProc->m_aTables[$sTableName], false); return $this->CreateTable($oProc, $aTables, $sTableName, $oProc->m_aTables[$sTableName], false);
} }
@ -562,14 +573,14 @@
function AlterColumn($oProc, &$aTables, $sTableName, $sColumnName, &$aColumnDef, $bCopyData = true) function AlterColumn($oProc, &$aTables, $sTableName, $sColumnName, &$aColumnDef, $bCopyData = true)
{ {
if ($bCopyData) if($bCopyData)
{ {
$oProc->m_odb->query("SELECT * INTO $sTableName" . "_tmp FROM $sTableName"); $oProc->m_odb->query("SELECT * INTO $sTableName" . "_tmp FROM $sTableName");
} }
$this->DropTable($oProc, $aTables, $sTableName); $this->DropTable($oProc, $aTables, $sTableName);
if (!$bCopyData) if(!$bCopyData)
{ {
return $this->CreateTable($oProc, $aTables, $sTableName, $aTables[$sTableName], True); return $this->CreateTable($oProc, $aTables, $sTableName, $aTables[$sTableName], True);
} }
@ -591,12 +602,12 @@
function AddColumn($oProc, &$aTables, $sTableName, $sColumnName, &$aColumnDef) function AddColumn($oProc, &$aTables, $sTableName, $sColumnName, &$aColumnDef)
{ {
if (isset($aColumnDef['default'])) // pgsql cant add a colum with a default if(isset($aColumnDef['default'])) // pgsql cant add a colum with a default
{ {
$default = $aColumnDef['default']; $default = $aColumnDef['default'];
unset($aColumnDef['default']); unset($aColumnDef['default']);
} }
if (isset($aColumnDef['nullable']) && !$aColumnDef['nullable']) // pgsql cant add a column not nullable if(isset($aColumnDef['nullable']) && !$aColumnDef['nullable']) // pgsql cant add a column not nullable
{ {
$notnull = !$aColumnDef['nullable']; $notnull = !$aColumnDef['nullable'];
unset($aColumnDef['nullable']); unset($aColumnDef['nullable']);
@ -604,7 +615,7 @@
$oProc->_GetFieldSQL($aColumnDef, $sFieldSQL); $oProc->_GetFieldSQL($aColumnDef, $sFieldSQL);
$query = "ALTER TABLE $sTableName ADD COLUMN $sColumnName $sFieldSQL"; $query = "ALTER TABLE $sTableName ADD COLUMN $sColumnName $sFieldSQL";
if (($Ok = !!($oProc->m_odb->query($query))) && isset($default)) if(($Ok = !!($oProc->m_odb->query($query))) && isset($default))
{ {
$query = "ALTER TABLE $sTableName ALTER COLUMN $sColumnName SET DEFAULT '$default';\n"; $query = "ALTER TABLE $sTableName ALTER COLUMN $sColumnName SET DEFAULT '$default';\n";
@ -612,7 +623,7 @@
$Ok = !!($oProc->m_odb->query($query)); $Ok = !!($oProc->m_odb->query($query));
if ($OK && $notnull) if($OK && $notnull)
{ {
// unfortunally this is pgSQL >= 7.3 // unfortunally this is pgSQL >= 7.3
//$query .= "ALTER TABLE $sTableName ALTER COLUMN $sColumnName SET NOT NULL;\n"; //$query .= "ALTER TABLE $sTableName ALTER COLUMN $sColumnName SET NOT NULL;\n";
@ -632,13 +643,12 @@
function CreateTable($oProc, $aTables, $sTableName, $aTableDef, $bCreateSequence = true) function CreateTable($oProc, $aTables, $sTableName, $aTableDef, $bCreateSequence = true)
{ {
global $DEBUG; if($oProc->_GetTableSQL($sTableName, $aTableDef, $sTableSQL, $sSequenceSQL))
if ($oProc->_GetTableSQL($sTableName, $aTableDef, $sTableSQL, $sSequenceSQL))
{ {
/* create sequence first since it will be needed for default */ /* create sequence first since it will be needed for default */
if ($bCreateSequence && $sSequenceSQL != '') if($bCreateSequence && $sSequenceSQL != '')
{ {
if ($DEBUG) { echo '<br>Making sequence using: ' . $sSequenceSQL; } if($GLOBALS['DEBUG']) { echo '<br>Making sequence using: ' . $sSequenceSQL; }
$oProc->m_odb->query($sSequenceSQL); $oProc->m_odb->query($sSequenceSQL);
} }