The 42712 error code in PostgreSQL corresponds to a duplicate_alias issue. This error occurs when you use the same alias more than once within a single SQL statement, such as in a JOIN clause or subquery. Aliases are used to temporarily rename a table or column within a query, and each alias must be unique …
The 42704 error code in PostgreSQL indicates an undefined_object, which means that the object referenced in a query or command does not exist in the database. This could be a table, column, type, function, or any other database object that the query expects to find. Diagnosis: Fix: Once you’ve diagnosed the issue, here’s how to …
The 42622 error code in PostgreSQL indicates that an identifier is too long. PostgreSQL enforces a maximum length for identifiers, which is 63 bytes. Identifiers include names of tables, columns, indexes, sequences, databases, users, and other PostgreSQL objects. If you try to create or reference an identifier with more than 63 bytes, PostgreSQL will raise …
The 38003 error code in PostgreSQL, which stands for prohibited_sql_statement_attempted, typically indicates that an SQL statement was executed that is not permitted in the current context. This error is often related to SQL statements that violate the security restrictions of a particular environment, such as within a function or trigger that has been defined with …
The 42602 error code in PostgreSQL, which stands for invalid_name, indicates that an identifier or name used in a SQL statement is not valid according to PostgreSQL’s naming rules. Identifiers might be table names, column names, index names, etc. PostgreSQL enforces certain rules for identifiers, such as a maximum length of 63 bytes and disallowing …
The 40003 error code in PostgreSQL, which stands for statement_completion_unknown, generally indicates a situation where a transaction has been terminated because the success or failure of a statement could not be established. This error is often associated with transaction management in distributed databases or systems where network partitions or other communication issues can occur. Here’s …
The 3D000 error code in PostgreSQL, which stands for invalid_catalog_name, typically occurs when a database operation is attempted without specifying a valid database or when the specified database does not exist. To diagnose and fix this issue, consider the following steps and examples: In application code, specify the database in your connection string: If the …
The 39P01 error code in PostgreSQL, which stands for TRIGGER PROTOCOL VIOLATED, typically indicates that there is an issue with how a trigger is being used or invoked on a table. Here are some steps to diagnose and fix this issue, along with examples and sample code: If you encounter the 39P01 error, start by …
The 42830 error code in PostgreSQL indicates an invalid_foreign_key error. This error occurs when you attempt to define a foreign key constraint that is not possible due to a mismatch between the referencing and referenced columns, or when the referenced column does not have a unique or primary key constraint. Here are some scenarios that …
The 42601 error code in PostgreSQL signifies a syntax_error, which indicates that there is an issue with the SQL query’s syntax. This can be due to a variety of reasons, such as missing keywords, incorrect use of SQL language elements, misplaced punctuation, or unrecognized statements. Here are some common scenarios that might lead to a …