+-- @tag: custom_variable_configs_column_type_text
+-- @description: Spaltentypen in 'custom_varialbe_configs' anpassen & schärfere Restriktionen
+-- @depends: release_3_0_0
+-- @charset: utf-8
+ALTER TABLE custom_variable_configs ALTER COLUMN type TYPE TEXT;
+ALTER TABLE custom_variable_configs ALTER COLUMN module TYPE TEXT;
+
+UPDATE custom_variable_configs SET searchable = FALSE WHERE searchable IS NULL;
+UPDATE custom_variable_configs SET includeable = FALSE WHERE includeable IS NULL;
+UPDATE custom_variable_configs SET included_by_default = FALSE WHERE included_by_default IS NULL;
+
+ALTER TABLE custom_variable_configs ALTER COLUMN searchable SET NOT NULL;
+ALTER TABLE custom_variable_configs ALTER COLUMN includeable SET NOT NULL;
+ALTER TABLE custom_variable_configs ALTER COLUMN included_by_default SET NOT NULL;
+ALTER TABLE custom_variable_configs ALTER COLUMN name SET NOT NULL;
+ALTER TABLE custom_variable_configs ALTER COLUMN description SET NOT NULL;
+ALTER TABLE custom_variable_configs ALTER COLUMN type SET NOT NULL;
+ALTER TABLE custom_variable_configs ALTER COLUMN module SET NOT NULL;
+ALTER TABLE custom_variable_configs ALTER COLUMN sortkey SET NOT NULL;
+
+ALTER TABLE custom_variable_configs
+ADD CONSTRAINT custom_variable_configs_name_description_type_module_not_empty
+CHECK ( type <> ''
+ AND module <> ''
+ AND name <> ''
+ AND description <> '');
+
+ALTER TABLE custom_variable_configs
+ADD CONSTRAINT custom_variable_configs_options_not_empty_for_select
+CHECK ((type <> 'select') OR (COALESCE(options, '') <> ''));