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MINOR: cached fieldlist array can now be cleared

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This commit is contained in:
Geoff Munn 2011-01-12 00:10:38 +00:00
parent 2bd6e9fb8e
commit 717f40af9e
1 changed files with 28 additions and 2 deletions
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30
code/PostgreSQLDatabase.php
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@ -698,7 +698,7 @@ class PostgreSQLDatabase extends SS_Database {
DB::query($updateConstraint);
}
//First, delete any existing constraint on this column, even if it's no longer an enum
if($existing_constraint)
$alterCol .= ",\nDROP CONSTRAINT \"{$tableName}_{$colName}_check\"";
@ -713,6 +713,7 @@ class PostgreSQLDatabase extends SS_Database {
public function renameTable($oldTableName, $newTableName) {
$this->query("ALTER TABLE \"$oldTableName\" RENAME TO \"$newTableName\"");
unset(self::$cached_fieldlists[$oldTableName]);
}
/**
@ -721,6 +722,7 @@ class PostgreSQLDatabase extends SS_Database {
* @return boolean Return true if the table has integrity after the method is complete.
*/
public function checkAndRepairTable($tableName) {
$this->runTableCheckCommand("VACUUM FULL ANALYZE \"$tableName\"");
$this->runTableCheckCommand("REINDEX TABLE \"$tableName\"");
return true;
@ -753,7 +755,7 @@ class PostgreSQLDatabase extends SS_Database {
/**
* Change the database column name of the given field.
*
* @param string $tableName The name of the tbale the field is in.
* @param string $tableName The name of the table the field is in.
* @param string $oldName The name of the field to change.
* @param string $newName The new name of the field
*/
@ -761,6 +763,10 @@ class PostgreSQLDatabase extends SS_Database {
$fieldList = $this->fieldList($tableName);
if(array_key_exists($oldName, $fieldList)) {
$this->query("ALTER TABLE \"$tableName\" RENAME COLUMN \"$oldName\" TO \"$newName\"");
//Remove this from the cached list:
unset(self::$cached_fieldlists[$tableName]);
}
}
@ -852,9 +858,28 @@ class PostgreSQLDatabase extends SS_Database {
self::$cached_fieldlists[$table]=$output;
}
return self::$cached_fieldlists[$table];
}
/**
*
* This allows the cached values for a table's field list to be erased.
* If $tablename is empty, then the whole cache is erased.
*
* @param string $tableName
*
* @return boolean
*/
function clear_cached_fieldlist($tableName=false){
if($tableName!=false){
unset(self::$cached_fieldlists[$tableName]);
} else
self::$cached_fieldlists=array();
return true;
}
/**
* Create an index on a table.
* @param string $tableName The name of the table.
@ -1756,6 +1781,7 @@ class PostgreSQLDatabase extends SS_Database {
DB::query("ROLLBACK TO $savepoint;");
else
DB::query('ROLLBACK;');
}
/*