diff options
| -rw-r--r-- | system/database/drivers/interbase/interbase_driver.php | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/system/database/drivers/interbase/interbase_driver.php b/system/database/drivers/interbase/interbase_driver.php index b49d1fa74..e55a476bb 100644 --- a/system/database/drivers/interbase/interbase_driver.php +++ b/system/database/drivers/interbase/interbase_driver.php @@ -601,7 +601,31 @@ SQL; */ protected function _limit($sql, $limit, $offset) { - //There doesn't seem to be a limit clause? + // Keep the current sql string safe for a moment + $orig_sql = $sql; + + // Limit clause depends on if Interbase or Firebird + if (stripos($this->_version(), 'firebird') !== FALSE) + { + $sql = 'FIRST '. (int) $limit; + + if ($offset > 0) + { + $sql .= ' SKIP'. (int) $offset; + } + } + else + { + $sql = 'ROWS ' . (int) $limit; + + if ($offset > 0) + { + $sql = 'ROWS '. (int) $offset . ' TO ' . ($limit + $offset); + } + } + + $sql = preg_replace("`SELECT`i", "SELECT {$sql}", $orig_sql); + return $sql; } |