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 …
The 25000 error code in PostgreSQL indicates an invalid_transaction_state. This error suggests that there is an issue with the current state of the transaction, such as attempting an operation that isn’t allowed within the current transaction block, or there are issues with transaction boundaries. Here are some examples and sample code to explain and cover …
The 23503 error code in PostgreSQL indicates a foreign_key_violation. This error happens when an INSERT or UPDATE operation violates a foreign key constraint, meaning that the foreign key value does not match any value in the referenced primary key or unique constraint of the related table. To fix this error, you need to ensure that …
The 2203F error code in PostgreSQL refers to the sql_json_scalar_required error. This error occurs when a JSON scalar value is required but not found. To diagnose and fix this error, you would typically ensure that the JSON data you’re working with contains scalar values where expected and that your queries are correctly formatted to handle …
The 2F003 error code in PostgreSQL corresponds to prohibited_sql_statement_attempted. This error occurs when an SQL statement is attempted that is not allowed in the current context, particularly within a function or trigger that is declared as SECURITY DEFINER and is attempting to execute an operation that is restricted. Here’s how to approach diagnosing and fixing …