The 34000 invalid_cursor_name error in PostgreSQL indicates that an invalid cursor name was specified in a statement. This typically occurs when a cursor name is not found in the current session because it either does not exist, has not been declared, or is not accessible due to scope or transaction boundaries. Here are some common …
The 2BP01 error code in PostgreSQL, dependent_objects_still_exist, indicates that you are trying to drop or alter an object on which other objects depend. This error is designed to prevent the accidental removal or modification of database objects that would leave dependent objects in an invalid state. To resolve this error, you need to identify the …
The 2F004 error code in PostgreSQL, reading_sql_data_not_permitted, occurs when a function that is declared to perform no SQL data reading (i.e., it is marked as NO SQL or MODIFIES SQL DATA) attempts to execute an SQL command that reads data from the database. This is a violation of the function’s declared behavior and PostgreSQL enforces …
The 2D000 error code in PostgreSQL, invalid_transaction_termination, is raised when there is an attempt to end a transaction (using COMMIT or ROLLBACK) in an improper context. This error commonly occurs when these transaction control commands are used within a subtransaction that has not been properly set up or when they are used within a procedural …
The 27000 error code in PostgreSQL, triggered_data_change_violation, indicates that an attempt has been made to modify data in a way that is forbidden by a trigger. Triggers in PostgreSQL can be set up to enforce certain rules or constraints on data modifications. When a trigger prevents an operation, it’s usually because the operation would violate …
The 25007 error code in PostgreSQL, schema_and_data_statement_mixing_not_supported, indicates that you are trying to execute schema and data definition statements within the same transaction while in a transaction block that has been set to READ ONLY. The PostgreSQL transaction mode READ ONLY is designed to prevent any changes to the database that would affect the data, …
The 25001 error code in PostgreSQL, active_sql_transaction, occurs when you attempt to execute a command that cannot be run inside a transaction block. Certain commands, like CREATE DATABASE, DROP DATABASE, and VACUUM (with certain options), must be run outside of any transaction. Here are several examples and solutions for fixing this error: Example 1: Creating …
The 23505 error code in PostgreSQL, unique_violation, occurs when an operation, typically an INSERT or UPDATE, violates a unique constraint defined in your database. This could be a primary key or any other unique index. To resolve this error, you must ensure that the data you are trying to insert or update is unique according …
The 2203G error code in PostgreSQL, sql_json_item_cannot_be_cast_to_target_type, indicates that there is a mismatch between the JSON data type you are trying to manipulate and the target data type you are trying to cast it to. To diagnose and fix this error, you need to ensure that the JSON item you are working with can be …
The 2F002 error code in PostgreSQL stands for modifying_sql_data_not_permitted. This error typically occurs when an attempt is made to modify the database within a function or trigger that is declared as READ ONLY. The SQL standard defines certain contexts where data modification is not allowed, and PostgreSQL enforces this rule to maintain data integrity and …