debug) ADOConnection::outp("AlterColumnSQL not supported for PostgreSQL");
return array();
}
function DropColumnSQL($tabname, $flds)
{
if ($this->debug) ADOConnection::outp("DropColumnSQL not supported for PostgreSQL");
return array();
}
// return string must begin with space
function _CreateSuffix($fname, &$ftype, $fnotnull,$fdefault,$fautoinc,$fconstraint)
{
if ($fautoinc) {
$ftype = 'SERIAL';
return '';
}
$suffix = '';
if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
if ($fnotnull) $suffix .= ' NOT NULL';
if ($fconstraint) $suffix .= ' '.$fconstraint;
return $suffix;
}
/*
CREATE [ [ LOCAL ] { TEMPORARY | TEMP } ] TABLE table_name (
{ column_name data_type [ DEFAULT default_expr ] [ column_constraint [, ... ] ]
| table_constraint } [, ... ]
)
[ INHERITS ( parent_table [, ... ] ) ]
[ WITH OIDS | WITHOUT OIDS ]
where column_constraint is:
[ CONSTRAINT constraint_name ]
{ NOT NULL | NULL | UNIQUE | PRIMARY KEY |
CHECK (expression) |
REFERENCES reftable [ ( refcolumn ) ] [ MATCH FULL | MATCH PARTIAL ]
[ ON DELETE action ] [ ON UPDATE action ] }
[ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY DEFERRED | INITIALLY IMMEDIATE ]
and table_constraint is:
[ CONSTRAINT constraint_name ]
{ UNIQUE ( column_name [, ... ] ) |
PRIMARY KEY ( column_name [, ... ] ) |
CHECK ( expression ) |
FOREIGN KEY ( column_name [, ... ] ) REFERENCES reftable [ ( refcolumn [, ... ] ) ]
[ MATCH FULL | MATCH PARTIAL ] [ ON DELETE action ] [ ON UPDATE action ] }
[ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY DEFERRED | INITIALLY IMMEDIATE ]
*/
/*
CREATE [ UNIQUE ] INDEX index_name ON table
[ USING acc_method ] ( column [ ops_name ] [, ...] )
[ WHERE predicate ]
CREATE [ UNIQUE ] INDEX index_name ON table
[ USING acc_method ] ( func_name( column [, ... ]) [ ops_name ] )
[ WHERE predicate ]
*/
function _IndexSQL($idxname, $tabname, $flds, $idxoptions)
{
if (isset($idxoptions['REPLACE'])) $sql[] = "DROP INDEX $idxname";
if (isset($idxoptions['UNIQUE'])) $unique = ' UNIQUE';
else $unique = '';
if (is_array($flds)) $flds = implode(', ',$flds);
$s = "CREATE$unique INDEX $idxname ON $tabname ";
if (isset($idxoptions['HASH'])) $s .= 'USING HASH ';
if (isset($idxoptions[$this->upperName])) $s .= $idxoptions[$this->upperName];
$s .= "($flds)";
$sql[] = $s;
return $sql;
}
}
?>
e-REdING. Biblioteca de la Escuela Superior de Ingenieros de Sevilla.
