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authorTimothy Warren <tim@timshomepage.net>2012-02-29 17:58:20 +0100
committerTimothy Warren <tim@timshomepage.net>2012-02-29 17:58:20 +0100
commit56784f67c35c75b706c5f9fc2950e58356e7ecec (patch)
tree2ac955e351e5676d1d2b5e08fa4062d0e3bd7e53 /system/database/drivers/interbase/interbase_driver.php
parent7980923d0c7e62fb545e3b750dfe5cec4a057b48 (diff)
Finally figured out limit statement
Diffstat (limited to 'system/database/drivers/interbase/interbase_driver.php')
-rw-r--r--system/database/drivers/interbase/interbase_driver.php26
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;
}