Replace array_key_exists() with isset() and ! empty()
diff --git a/system/database/drivers/sqlite/sqlite_forge.php b/system/database/drivers/sqlite/sqlite_forge.php
index 8bf1f25..5339f6e 100644
--- a/system/database/drivers/sqlite/sqlite_forge.php
+++ b/system/database/drivers/sqlite/sqlite_forge.php
@@ -104,11 +104,11 @@
$sql .= "\n\t".$this->db->protect_identifiers($field)
.' '.$attributes['TYPE']
- .(array_key_exists('CONSTRAINT', $attributes) ? '('.$attributes['CONSTRAINT'].')' : '')
- .((array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '')
- .(array_key_exists('DEFAULT', $attributes) ? ' DEFAULT \''.$attributes['DEFAULT'].'\'' : '')
- .((array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL')
- .((array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) ? ' AUTO_INCREMENT' : '');
+ .(isset($attributes['CONSTRAINT']) ? '('.$attributes['CONSTRAINT'].')' : '')
+ .((isset($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '')
+ .(isset($attributes['DEFAULT']) ? ' DEFAULT \''.$attributes['DEFAULT'].'\'' : '')
+ .((isset($attributes['NULL']) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL')
+ .((isset($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE) ? ' AUTO_INCREMENT' : '');
}
// don't add a comma on the end of the last field