forked from extern/egroupware
added new function RefreshTable to:
1. change or newly create the primary key or any other index 2. change the order of columns, drop and add multiple columns in one go
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35e9e09911
commit
06ab7f4476
@ -220,6 +220,58 @@
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return $retVal && $this->m_oTranslator->CreateTable($this, $this->m_aTables, $sTableName, $aTableDef);
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}
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// This function manually re-created the table incl. primary key and all other indices
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// It is meant to use if the primary key, existing indices or column-order changes or
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// columns are not longer used or new columns need to be created (with there default value or NULL)
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function RefreshTable($sTableName, $aTableDef)
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{
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if($GLOBALS['DEBUG']) { echo "<p>schema_proc::RefreshTable('$sTableName',<pre>".print_r($aTableDef,True).")\n\nm_aTables[$sTableName]=".print_r($this->m_aTables[$sTableName],True)."</pre>\n"; }
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$old_fd = $this->m_aTables[$sTableName]['fd'];
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$Ok = $this->m_oDeltaProc->RefreshTable($this, $this->m_aTables, $sTableName, $aTableDef);
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if(!$Ok || $this->m_bDeltaOnly)
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{
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return $Ok; // nothing else to do
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}
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$tmp_name = 'tmp_'.$sTableName;
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$this->m_odb->transaction_begin();
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$select = array();
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foreach($aTableDef['fd'] as $name => $data)
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{
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if (isset($old_fd[$name])) // existing column, use its value => column-name in query
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{
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$select[] = $name;
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}
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else // new column => use default value or NULL
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{
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if (!isset($data['default']) && (!isset($data['nullable']) || $data['nullable']))
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{
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$select[] = 'NULL';
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}
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else
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{
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$select[] = $this->m_odb->quote(isset($data['default']) ? $data['default'] : '',$data['type']);
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}
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}
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}
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$select = implode(',',$select);
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$Ok = $this->RenameTable($sTableName,$tmp_name) &&
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$this->CreateTable($sTableName,$aTableDef) &&
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$this->m_odb->query("INSERT INTO $sTableName SELECT $select FROM $tmp_name",__LINE__,__FILE__);
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if (!$Ok)
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{
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$this->m_odb->transaction_fail();
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return False;
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}
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$this->DropTable($tmp_name);
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$this->m_odb->transaction_commit();
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return True;
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}
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function f($value)
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{
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if($this->m_bDeltaOnly)
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@ -155,7 +155,7 @@
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}
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}
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return Rrue;
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return True;
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}
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function AddColumn($oProc, &$aTables, $sTableName, $sColumnName, &$aColumnDef)
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@ -179,6 +179,13 @@
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}
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return True;
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}
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}
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function RefreshTable($oProc, &$aTables, $sTableName, $aTableDef)
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{
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$aTables[$sTableName] = $aTableDef;
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return True;
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}
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}
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?>
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