The 39001 error code in PostgreSQL, which stands for invalid_sqlstate_returned, is typically encountered when a function or trigger programmed in an external language (such as PL/Python, PL/Perl, etc.) returns an invalid SQLSTATE code. SQLSTATE codes are standardized error codes that are used to indicate the success or failure of SQL operations. To diagnose and fix …
The 38001 error code in PostgreSQL, which stands for containing_sql_not_permitted, typically occurs when you’re working with external routines or functions, such as those written in PL/Python or PL/Perl, and you attempt to execute an SQL command that is not allowed within that context. This is a security restriction to prevent unauthorized operations from within these …
The 42P20 error code in PostgreSQL, known as windowing_error, is associated with issues related to window functions in SQL queries. Window functions are used to perform calculations across sets of rows that are related to the current row. Common problems that can lead to a windowing_error include incorrect window function usage, improper frame specification, or …
The 42000 error code in PostgreSQL, known as syntax_error_or_access_rule_violation, is a broad class of errors that encompasses various issues related to incorrect syntax in SQL statements or violations of database access rules. To diagnose and fix this error, follow these steps: Here are some examples and sample code to illustrate potential scenarios: To fix this, …
The 40000 error code in PostgreSQL, known as transaction_rollback, indicates that a transaction has been rolled back due to some error that occurred during its execution. This is a broad error class that can be triggered by various types of issues within a transaction. To diagnose and fix this error, you’ll need to identify the …
The 39P03 error code in PostgreSQL, known as event_trigger_protocol_violated, indicates that there has been a protocol violation with an event trigger. This error typically occurs when an event trigger function does not follow the correct protocol for executing commands or accessing data. To diagnose and fix this error, consider the following steps: Here are some …
The 39000 error code in PostgreSQL, known as external_routine_invocation_exception, indicates that there is an exception related to the invocation of an external routine. This error can occur in various situations, such as when an external function is called with incorrect parameters or when there is an issue with the external environment that the function depends …
The 38000 error code in PostgreSQL, known as external_routine_exception, indicates that an exception has occurred in an external routine. This could be a result of various issues, such as problems loading an external library or an external function not being found. To diagnose and fix this error, you should consider the following steps: Here are …
The 42803 grouping_error in PostgreSQL occurs when you attempt to execute a SQL statement that involves grouping, typically with GROUP BY, HAVING, or aggregate functions, and there is a column referenced incorrectly in the SELECT list, ORDER BY clause, or HAVING clause that is not part of an aggregate function and is not included in …
The 40P01 deadlock_detected error in PostgreSQL occurs when two or more transactions are waiting for each other to release locks, and none of them can proceed. PostgreSQL will detect this situation, abort one of the transactions to break the deadlock, and return this error to the client application. Here are some common scenarios that can …