| 421 | Incorrect suffix of a constraint name or an index name | If the name of an object has the suffix that refers to the type of the object (for instance, primary key constraint or foreign key constraint), then you should use references to the correct object type. Find suffixes of constraint names and index names that incorrectly refer to the type of the object. For instance, incorrect would be to use _chk as the suffix of an index name or _pk as the suffix of a check constraint name. | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2021-02-25 17:29 | MIT License | |
| 422 | INFORMATION_SCHEMA is missing | Make sure that you do not drop INFORMATION_SCHEMA schema. In this case most of the design checking queries will not work. This schema automatically exists in all databases. | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2022-12-07 19:07 | MIT License | |
| 423 | Initially deferred constraint triggers with unnecessary locking | Initially deferred constraint triggers do not need explicit statements for locking tables or rows. | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2021-10-08 11:25 | MIT License | |
| 424 | Input parameters that names do not follow the convention to start with _ or p_ | For the sake of making code better understandable follow naming conventions. | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2021-02-25 17:30 | MIT License | |
| 425 | Input parameters with the same name have different types | Find named input parameters of routines that have the same name but different type. It could be a mistake or deliberate due to overloading of routines. | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2024-01-24 15:01 | MIT License | |
| 426 | Insufficient number of user-defined non-trigger routines | There must be at least n (four in this case) user-defined non-trigger routines in the database. | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2021-02-25 17:30 | MIT License | |
| 427 | Insufficient number of user-defined triggers+rules | There must be user-defined triggers and/or rules for at least n (three in this case) tasks in the database. It also means that one should create at least three triggers and/or rules in the database. | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2024-01-04 11:47 | MIT License | |
| 428 | Insufficient number of user-defined triggers+rules (based on number of tasks) | There must be user-defined triggers and/or rules for at least n (three in this case) tasks in the database. | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2024-01-04 11:46 | MIT License | |
| 429 | Insufficient routine privileges | You must give rights to use routines to the users/roles that correspond to applications. | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2021-02-25 17:29 | MIT License | |
| 430 | Insufficient view privileges | You must give privileges to use views to the users/roles that correspond to applications | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2021-02-25 17:29 | MIT License | |
| 431 | Invalid character class | PostgreSQL regular expressions do not have character classes word and letter. | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2021-11-04 12:50 | MIT License | |
| 432 | Invalid use of the case insensitive search modifier in regular expressions | Find regular expression patterns that use (?i) modifier in any other place than at the beginning of the pattern or (?-i) in any place of the pattern. Such use of the modifiers is not supported by PostgreSQL. | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2021-11-04 16:06 | MIT License | |
| 433 | Invocation of a system-defined routine without providing any arguments | Find user-defined routines that contain an invocation of a system-defined function without providing any argument. The query considers all aggregate functions as well as some popular scalar functions. | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2023-12-22 13:00 | MIT License | |
| 434 | Invocation of PL/pgSQL functions from the subqueries of derived tables | Find derived tables that subqueries invoke a PL/pgSQL function. Avoid context switch that is caused by the invocation of PL/pgSQL functions from the subqueries of derived tables. | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2023-11-24 14:30 | MIT License | |
| 435 | Is does not return a boolean | Find user-defined SQL and PL/pgSQL non-trigger routines that do not return a truth value (for instance, returns an integer or does not return a value at all) although the name suggest that it should return a truth value (TRUE or FALSE). | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2023-01-06 14:25 | MIT License | |
| 436 | LEAKPROOF routines that are perhaps not leakproof | You should not give wrong information to the database management system. | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2021-11-05 14:12 | MIT License | |
| 437 | Length and char_lenfgth functions are used within the same expression | Find expressions that refer to both length and char_length functions. Make sure that the expression is correct. | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2023-11-09 13:44 | MIT License | |
| 438 | Lifecycle not initiated | Find non-primary key and non-unique base table foreign key columns that name refers to the possibility that these are used to register references to a state classifier. The column must belong to a foreign key and does not have a default value. | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2023-11-26 15:40 | MIT License | |
| 439 | LIKE instead of = | Find expressions that use LIKE predicate for precise comparison. | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2023-11-09 10:43 | MIT License | |
| 440 | LIKE with a regular expression pattern | Find expressions that use LIKE (including ILIKE) predicate with a regular expression patterns. In a LIKE pattern one can use only _ and % metasymbols to construct a pattern. | Problem detection | INFORMATION_SCHEMA+system catalog base tables | 2023-10-21 10:38 | MIT License | |