function db_field_exists in Drupal 7

Same name and namespace in other branches

1. 8 core/includes/database.inc \db_field_exists()

Checks if a column exists in the given table.

Parameters

$table: The name of the table in drupal (no prefixing).

$field: The name of the field.

Return value

TRUE if the given column exists, otherwise FALSE.

Related topics

6 calls to db_field_exists()

DatabaseRegressionTestCase::testDBFieldExists in modules/simpletest/tests/database_test.test

Test the db_field_exists() function.

field_sql_storage_update_7001 in modules/field/modules/field_sql_storage/field_sql_storage.install

Remove the field_config_entity_type table and store 'entity_type' strings.

SchemaTestCase::testUnsignedColumns in modules/simpletest/tests/schema.test

Tests creating unsigned columns and data integrity thereof.

user_update_7002 in modules/user/user.install

Convert user time zones from time zone offsets to time zone names.

user_update_7006 in modules/user/user.install

Add module data to {role_permission}.

... See full list

File

includes/database/database.inc, line 2885

Core systems for the database layer.

Code

function db_field_exists($table, $field) {
  return Database::getConnection()
    ->schema()
    ->fieldExists($table, $field);
}