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 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 …
The 3F000 invalid_schema_name error in PostgreSQL indicates that an operation has been attempted on a schema that does not exist in the database. This error can happen in various scenarios, such as when referencing a schema in a query, creating objects within a non-existent schema, or setting the search path to an undefined schema. To …
The 39P02 srf_protocol_violated error in PostgreSQL is related to set-returning functions (SRFs). This error occurs when a set-returning function (such as a function that returns a set of records or a table) is used improperly, violating the expected protocol for set-returning functions. A common scenario that leads to this error is when a set-returning function …
The 38004 reading_sql_data_not_permitted error in PostgreSQL is part of the SQL/PSM (Persistent Stored Modules) standard, which pertains to the SQL-invoked routines. This error occurs when an attempt is made to read SQL data from a context where it is not permitted, such as within a function that is defined to be SECURITY DEFINER and has …