6 calls to db_field_exists()

DatabaseRegressionTestCase::testDBFieldExists in drupal/modules/simpletest/tests/database_test.test
Test the db_field_exists() function.
field_sql_storage_update_7001 in drupal/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 drupal/modules/simpletest/tests/schema.test
Tests creating unsigned columns and data integrity thereof.
user_update_7002 in drupal/modules/user/user.install
Convert user time zones from time zone offsets to time zone names.
user_update_7006 in drupal/modules/user/user.install
Add module data to {role_permission}.
user_update_7012 in drupal/modules/user/user.install
Add the user's pictures to the {file_managed} table and make them managed files.