The 42P21 error code in PostgreSQL indicates a collation_mismatch. This error occurs when there is an inconsistency in collation (i.e., the set of rules for comparing characters in a character set) between different text expressions that are being compared or combined. Collation issues can arise when you are joining tables, comparing strings, or using string …
The 57P05 idle_session_timeout error code in PostgreSQL indicates that a session has been terminated because it was idle for longer than the idle_session_timeout setting allows. This setting is used to specify the maximum amount of time that a session can be idle before being automatically terminated by the server. Here are several examples of how …
The 57000 operator_intervention error code in PostgreSQL is a class of errors that indicates an operation has been interrupted or canceled due to direct intervention by an operator, such as a database administrator, or by a system-level event. Here are several scenarios where this error might occur and how to resolve or handle it: To …
The 54023 too_many_arguments error code in PostgreSQL occurs when a function is invoked with more arguments than it is designed to accept, or when defining a function with more than the maximum allowed number of arguments. By default, PostgreSQL functions can have up to 100 input arguments. Here are several examples of how this error …
The 44000 with_check_option_violation error code in PostgreSQL occurs when an insert or update operation on a view violates the WITH CHECK OPTION constraint. This option ensures that all data modifications through the view conform to the view’s defining query. Here are several examples of how this error might occur and how to resolve it: To …
The 42P10 invalid_column_reference error code in PostgreSQL occurs when there is an issue with how columns are referenced in a query. This can happen in a variety of contexts, such as with window functions, subqueries, or when using the GROUP BY clause. Below are several examples of how this error might occur and how to …
The 42P05 duplicate_prepared_statement error code in PostgreSQL occurs when you attempt to create a prepared statement with a name that already exists in the current session. This can happen if you inadvertently create the same prepared statement multiple times without deallocating the previous one first. Here are several examples of how this error might occur …
The 42P02 undefined_parameter error code in PostgreSQL indicates that there is a reference to an undefined parameter in a SQL statement. This error is commonly encountered in prepared statements or functions where you expect a parameter to be defined, but it is not. Here are several examples of how this error might occur and ways …
The 42P22 indeterminate_collation error in PostgreSQL indicates that there is an issue with collation, which refers to a set of rules for comparing characters in a character set. This error typically arises when you’re working with text data that has conflicting or unspecified collation settings. Here are several examples of how this error might occur …
The 57P02 crash_shutdown error in PostgreSQL indicates that the server process has encountered a crash and is in the process of shutting down. This is a serious error that typically occurs due to an internal system error or a resource-related issue that forces the PostgreSQL server to abort to protect the integrity of the data. …