How To Fix ESH_HANA_ADMIN151 - SQL Table Function &1 could not be deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_HANA_ADMIN - ESH HANA Index Administration

• Message number: 151

• Message text: SQL Table Function &1 could not be deleted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_HANA_ADMIN151 - SQL Table Function &1 could not be deleted ?

  The SAP error message ESH_HANA_ADMIN151 indicates that a SQL Table Function could not be deleted in the SAP HANA database. This error can occur for several reasons, and understanding the cause is essential for finding a solution.
  Possible Causes:
  
  
  Dependencies: The SQL Table Function may have dependencies, such as being referenced by other database objects (e.g., views, procedures, or other functions). If other objects depend on the function, it cannot be deleted until those dependencies are resolved.
  
  
  Permissions: The user attempting to delete the function may not have the necessary permissions to perform the deletion. This could be due to insufficient roles or privileges assigned to the user.
  
  
  Active Sessions: There may be active sessions or transactions that are currently using the function, preventing its deletion.
  
  
  Database Locks: The function might be locked by another process or transaction, which can prevent deletion.
  
  
  Corruption or Inconsistency: In rare cases, there may be corruption or inconsistency in the database that prevents the function from being deleted.
  
  
  Solutions:
  
  
  Check Dependencies: Use the SAP HANA Studio or SQL console to check for dependencies on the SQL Table Function. You can query the system views to find out what objects depend on the function. If there are dependencies, you will need to drop or modify those objects first.
  SELECT * FROM _SYS_BI.M_TABLE_FUNCTION_DEPENDENCIES WHERE TABLE_FUNCTION_NAME = '<function_name>';
  
  
  Review Permissions: Ensure that the user has the necessary permissions to delete the function. You may need to grant the appropriate roles or privileges.
  GRANT DROP ON <schema>.<function_name> TO <user>;
  
  
  Terminate Active Sessions: If there are active sessions using the function, you may need to terminate those sessions. Use the HANA Studio or SQL commands to identify and terminate sessions.
  SELECT * FROM M_SESSION WHERE USER_NAME = '<user_name>';
  
  
  Check for Locks: Investigate if there are any locks on the function. You can check the lock status using the following query:
  SELECT * FROM M_LOCKS WHERE OBJECT_NAME = '<schema>.<function_name>';
  
  
  Database Consistency Check: If you suspect corruption, you may need to run a consistency check or consult SAP support for further assistance.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific error message for any patches or updates that may address the issue.
  Documentation: Refer to the SAP HANA documentation for more details on managing SQL Table Functions and understanding dependencies.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.