function db_field_exists

Same name and namespace in other branches

8.9.x 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

Schema API: API to handle database schemas.

8 calls to db_field_exists()

DatabaseRegressionTestCase::testDBFieldExists in modules/simpletest/tests/database_test.test: Test the db_field_exists() function.
FieldSchemaAlterTestCase::testImageFieldSchemaAlter in modules/field/tests/field.test: Tests a hook_field_schema_alter() implementation.
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.

... See full list

File

includes/database/database.inc, line 2895

Code

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

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