How To Fix D3091 - Explain not possible; statement is empty

SAP Error Message - Details

• Message type: E = Error

• Message class: D3 - CCMS - DB2 on OS390

• Message number: 091

• Message text: Explain not possible; statement is empty

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message D3091 - Explain not possible; statement is empty ?

  The SAP error message D3091 ("Explain not possible; statement is empty") typically occurs in the context of SQL queries or database operations within the SAP environment. This error indicates that the system is attempting to perform an "EXPLAIN" operation on a SQL statement that is either empty or not properly formed.
  Causes:
  
  
  Empty SQL Statement: The most common cause is that the SQL statement being passed to the EXPLAIN command is empty. This can happen if the query is not constructed correctly or if there is a logic error in the code that generates the SQL statement.
  
  
  Dynamic SQL Issues: If the SQL statement is being generated dynamically, there may be conditions that lead to an empty string being passed to the EXPLAIN function.
  
  
  Incorrect Program Logic: There may be a flaw in the program logic that leads to the execution of the EXPLAIN command without a valid SQL statement.
  
  
  Database Connection Issues: In some cases, if there are issues with the database connection, it might lead to unexpected behavior, including empty statements.
  
  
  Solutions:
  
  
  Check SQL Statement: Review the code that generates the SQL statement to ensure that it is being constructed correctly and is not empty. You can add logging or debugging statements to capture the SQL before the EXPLAIN command is executed.
  
  
  Validate Input Parameters: If the SQL statement relies on input parameters, ensure that these parameters are being set correctly and are not leading to an empty statement.
  
  
  Error Handling: Implement error handling to check if the SQL statement is empty before attempting to execute the EXPLAIN command. This can prevent the error from occurring and allow for graceful handling of the situation.
  
  
  Review Dynamic SQL Logic: If you are using dynamic SQL, ensure that all branches of your logic lead to a valid SQL statement being generated.
  
  
  Database Connection: Verify that the database connection is active and functioning correctly. If there are issues with the connection, resolve them before executing SQL commands.
  
  
  Related Information:
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes (like SE38 for ABAP programs, SE11 for database tables, etc.) that can help you debug and analyze the SQL statements being executed.
  
  
  Performance Analysis: If you are using the EXPLAIN command for performance analysis, consider using other tools or methods provided by SAP for performance tuning, such as SQL Trace (ST05) or Runtime Analysis (SE30).
  
  
  By following these steps, you should be able to identify the cause of the D3091 error and implement a solution to resolve it.