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 …
The 25P03 error code in PostgreSQL corresponds to idle_in_transaction_session_timeout, which signifies that a session has been terminated because it was idle in a transaction for longer than the idle_in_transaction_session_timeout setting. This setting is a part of PostgreSQL’s configuration that helps to avoid issues with long-running transactions holding locks for more time than necessary, which can …
The 25005 error code in PostgreSQL refers to no_active_sql_transaction_for_branch_transaction. This error occurs when an operation that requires an active transaction is attempted without one being in progress. Essentially, it indicates that you’re trying to perform an operation that is only valid within a transaction block when no such block is active. Here are some examples …