Philip The 42P19 error code in PostgreSQL, which stands for invalid_recursion, typically occurs when there is an issue with a recursive Common Table Expression (CTE) in a query. A recursive CTE is a CTE that references itself to repeatedly execute subqueries to return a hierarchical or iterative set of results. To diagnose and fix a 42P19 …
The 42846 error code in PostgreSQL, which stands for cannot_coerce, indicates that an attempt to cast or convert a value from one data type to another is not possible using the specified method or without a using clause. This error typically arises when you are trying to perform an operation that involves incompatible data types …
The 40002 error code in PostgreSQL stands for transaction_integrity_constraint_violation. This error occurs when a transaction violates a database constraint, such as a foreign key constraint, a unique constraint, or a check constraint, during its execution. This violation can happen due to an insert, update, or delete operation that conflicts with the rules defined by the …
The 3B000 error code in PostgreSQL stands for savepoint_exception. This error typically occurs when there is an issue with the use of savepoints in a transaction. Savepoints allow you to set markers within a transaction and roll back to these points without aborting the entire transaction. To diagnose and fix a 3B000 error, you need …
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 …