function date_sql_coalesce in Date 5.2

Same name and namespace in other branches

1. 8 date_api/date_api.module \date_sql_coalesce()
2. 6.2 date_api_sql.inc \date_sql_coalesce()
3. 7.3 date_api/date_api_sql.inc \date_sql_coalesce()
4. 7 date_api/date_api_sql.inc \date_sql_coalesce()
5. 7.2 date_api/date_api_sql.inc \date_sql_coalesce()

Helper function to do cross-database NULL replacements

Parameters

an array of values to test for NULL values:

Return value

SQL statement to return the first non-NULL value in the list.

1 call to date_sql_coalesce()

_date_views_query_alter in date/date_views.inc

Implementation of hook_views_query().

File

./date_api_sql.inc, line 26

Code

function date_sql_coalesce($array) {
  global $db_type;
  switch ($db_type) {
    case 'mysql':
    case 'mysqli':
    case 'pgsql':
      return "COALESCE(" . implode(',', $array) . ")";
  }
}