When encountering the error 22001: String Data Right Truncation from a Postgres DB, follow these immediate actions:
INSERT or an UPDATE command. If you have access to application logs where database operations are logged, review them to find the exact query that caused the error.\d table_name; command in the psql terminal to review the schema, focusing on the data types and constraints of columns, especially the character varying (VARCHAR) or character (CHAR) types, to identify any length constraints.\d table_name;
VARCHAR or CHAR column against the column's maximum length defined in the table schema. This can be done by manually checking the query or by adding logging to your application to print the lengths of the string data being inserted or updated.ALTER TABLE command cautiously, as it can lock the table.ALTER TABLE tablename ALTER COLUMN columnname TYPE VARCHAR(new_length);
These steps are direct and actionable, targeting the resolution of the specific error code mentioned, without assuming the presence of a database administrator.
(Perfect for DevOps & SREs)
(Perfect for DevOps & SREs)
