database.inc
Version
1.92.2.1 (checked in on 2008/02/08 at 22:44:59 by goba)
Description
Wrapper for database interface code.
Constants
Name | Description |
|---|---|
| DB_ERROR | A hash value to check when outputting database errors, md5'DB_ERROR'). See alsodrupal_error_handler() |
| DB_QUERY_REGEXP | Indicates the place holders that should be replaced in _db_query_callback(). |
Functions
| Name | Description |
|---|---|
| db_create_table | Create a new table from a Drupal table definition. |
| db_escape_table | Restrict a dynamic table, column or constraint name to safe characters. |
| db_field_names | Return an array of field names from an array of key/index column specifiers. |
| db_is_active | Returns a boolean depending on the availability of the database. |
| db_placeholders | Generate placeholders for an array of query arguments of a single type. |
| db_prefix_tables | Append a database prefix to all tables in a query. |
| db_rewrite_sql | Rewrites node, taxonomy and comment queries. Use it for listing queries. Do not use FROM table1, table2 syntax, use JOIN instead. |
| db_set_active | Activate a database for future queries. |
| db_type_placeholder | Given a Schema API field type, return the correct %-placeholder. |
| update_sql | Perform an SQL query and return success or failure. |
| _db_error_page | Helper function to show fatal database errors. |
| _db_query_callback | Helper function for db_query(). |
| _db_rewrite_sql | Helper function for db_rewrite_sql. |