Rules

Below the list of rules supported by Postgres Language Tools, divided by group. Here's a legend of the emojis:

• The icon ✅ indicates that the rule is part of the recommended rules.

Safety

Rules that detect potential safety issues in your code.

Rule name	Description	Properties
addingRequiredField	Adding a new column that is NOT NULL and has no default value to an existing table effectively makes it required.
banDropColumn	Dropping a column may break existing clients.	✅
banDropDatabase	Dropping a database may break existing clients (and everything else, really).
banDropNotNull	Dropping a NOT NULL constraint may break existing clients.	✅
banDropTable	Dropping a table may break existing clients.	✅
banTruncateCascade	Using TRUNCATE's CASCADE option will truncate any tables that are also foreign-keyed to the specified tables.