sql_pg: "\nalter table _sc_tenants alter column description set default '';\nalter table _sc_tables alter column description set default '';\nalter table _sc_views alter column description set default '';\nalter table _sc_fields alter column description set default '';\nalter table _sc_pages alter column description set default '';\nupdate _sc_triggers set description = '' where description is null;\nupdate _sc_tables set description = '' where description is null;\nupdate _sc_views set description = '' where description is null;\nupdate _sc_fields set description = '' where description is null;\nupdate _sc_pages set description = '' where description is null;\n" = ...