Trino is a distributed SQL query engine designed to query large datasets across multiple data sources. It allows users to perform interactive queries on data stored in a variety of systems, such as Hadoop, AWS S3, and traditional relational databases. Trino is known for its speed and ability to handle complex queries efficiently.
While using Trino, you may encounter the INVALID_PROCEDURE error. This error typically occurs when you attempt to execute a procedure that Trino cannot recognize or locate. The error message might look something like this:
Query failed: INVALID_PROCEDURE: The specified procedure is invalid or does not exist.
The INVALID_PROCEDURE error indicates that Trino is unable to find the procedure you are trying to execute. This can happen for several reasons:
Developers often encounter this error when migrating procedures from one environment to another or when there are changes in the database schema that are not reflected in the Trino configuration.
To resolve the INVALID_PROCEDURE error, follow these steps:
Ensure that the procedure name you are using is correct. Check for any typos or case sensitivity issues. Trino is case-sensitive, so make sure the procedure name matches exactly.
Confirm that the procedure exists in the current catalog and schema. You can use the following query to list all procedures in a specific schema:
SHOW PROCEDURES FROM ;
Replace <schema_name> with the actual schema name you are querying.
Ensure that your Trino catalog and schema configurations are correct. Check the catalog.properties file to verify that the connection details are accurate and that the catalog is properly configured to access the desired schema.
If the issue persists, consult the Trino documentation for more detailed information on procedures and configuration. Additionally, consider reaching out to the Trino community for support.
By following these steps, you should be able to resolve the INVALID_PROCEDURE error in Trino. Ensuring that procedure names are correct and that configurations are properly set up will help prevent this issue from occurring in the future.
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