7 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}.
user_update_7012 in modules/user/user.install
Add the user's pictures to the {file_managed} table and make them managed files.
user_update_7020 in modules/user/user.install
Add changed field to users table.

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