PostgreSQL · January 2, 2024

How to fix PostgreSQL Error Code: 26000 - invalid_sql_statement_name

How to Fix PostgreSQL Error Code: 26000 - invalid_sql_statement_name

PostgreSQL is a powerful open-source relational database management system that is widely used for various applications. However, like any software, it can encounter errors that may disrupt its normal operation. One such error is the PostgreSQL Error Code: 26000 - invalid_sql_statement_name. In this article, we will explore the causes of this error and provide step-by-step solutions to fix it.

Understanding the Error

The PostgreSQL Error Code: 26000 - invalid_sql_statement_name occurs when an invalid SQL statement name is used in a query. This error typically arises when attempting to execute a prepared statement with an incorrect or non-existent name.

Here's an example of the error message:

ERROR: prepared statement "invalid_statement_name" does not exist

Possible Causes

There are several potential causes for this error:

  • Incorrect Statement Name: The most common cause is using an incorrect statement name when executing a prepared statement. Ensure that the statement name matches the one used during preparation.
  • Missing Preparation: If you attempt to execute a prepared statement without first preparing it, the error will occur. Make sure to prepare the statement before executing it.
  • Expired Statement: Prepared statements have a limited lifespan. If you attempt to execute a statement after it has expired, the error will occur. Re-prepare the statement if it has expired.
  • Connection Loss: If the connection to the database is lost or terminated, any prepared statements associated with that connection become invalid. Re-establish the connection and re-prepare the statements.

Fixing the Error

To fix the PostgreSQL Error Code: 26000 - invalid_sql_statement_name, follow these steps:

Step 1: Verify Statement Name

Double-check the statement name used in the query. Ensure that it matches the name used during preparation. Correct any typos or discrepancies.

Step 2: Prepare the Statement

If you haven't prepared the statement before executing it, make sure to prepare it using the correct statement name. Use the PREPARE statement to prepare the statement before executing it.

PREPARE statement_name AS <SQL statement>;

Step 3: Re-Prepare Expired Statements

If the statement has expired, re-prepare it using the same statement name. This will refresh the statement and make it valid again.

Step 4: Re-establish Connection

If the connection to the database is lost or terminated, re-establish the connection. Once connected, re-prepare any statements that were associated with the previous connection.

Summary

The PostgreSQL Error Code: 26000 - invalid_sql_statement_name can be resolved by ensuring the correct statement name is used, preparing the statement before execution, re-preparing expired statements, and re-establishing the connection if necessary. By following these steps, you can overcome this error and continue using PostgreSQL smoothly.

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