1 -- @tag: requirement_spec_predefined_texts_for_sections
 
   2 -- @description: Verwendung von vordefinierten Pflichtenhefttextblöcken bei Abschnitten
 
   3 -- @depends: requirement_specs
 
   4 ALTER TABLE requirement_spec_predefined_texts ADD COLUMN useable_for_text_blocks BOOLEAN;
 
   5 ALTER TABLE requirement_spec_predefined_texts ADD COLUMN useable_for_sections    BOOLEAN;
 
   7 UPDATE requirement_spec_predefined_texts
 
   8 SET useable_for_text_blocks = TRUE, useable_for_sections = FALSE;
 
  10 ALTER TABLE requirement_spec_predefined_texts ALTER COLUMN useable_for_text_blocks SET DEFAULT FALSE;
 
  11 ALTER TABLE requirement_spec_predefined_texts ALTER COLUMN useable_for_sections    SET DEFAULT FALSE;
 
  13 ALTER TABLE requirement_spec_predefined_texts ALTER COLUMN useable_for_text_blocks SET NOT NULL;
 
  14 ALTER TABLE requirement_spec_predefined_texts ALTER COLUMN useable_for_sections    SET NOT NULL;