Philip 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 ‘PostgreSQL out of memory’ error is a common issue that database administrators encounter when using PostgreSQL. This error indicates that the PostgreSQL service is unable to allocate the necessary amount of memory to execute a query or transaction. The reasons for this can vary from inefficient query design, insufficient system resources, to unexpected surges …
Managing read replicas in Aurora PostgreSQL involves understanding how replication lag can impact your database’s performance and determining the steps you should take if your replicas start falling behind. If you’re working with Amazon Aurora PostgreSQL and notice that your read replicas are lagging, it’s essential to take immediate action to ensure your database cluster …
When managing a database on Amazon Aurora with PostgreSQL compatibility, encountering a ‘disk full’ error can be a perplexing experience, especially if monitoring tools suggest there is available space. Such discrepancies often stem from misunderstandings about how storage is utilised and monitored within Aurora PostgreSQL environments. The ‘disk full’ error might appear if temporary files …
Optimising PostgreSQL performance is crucial for maintaining the efficiency and speed of your database operations. This relational database system, known for its robustness and flexibility, can handle a variety of workloads, from single machines to data warehouses or Web services with many concurrent users. However, as with any sophisticated system, PostgreSQL requires careful tuning to …