How To Fix DDLS119 - In the ON condition, only the equals operator (=) is allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 119

• Message text: In the ON condition, only the equals operator (=) is allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS119 - In the ON condition, only the equals operator (=) is allowed ?

  The SAP error message DDLS119 indicates that there is an issue with the SQL syntax in a Data Definition Language (DDL) statement, specifically in the context of an ON condition in a join operation. The error message states that only the equals operator (=) is allowed in the ON condition, which means that you cannot use other comparison operators (like <, >, <=, >=, <>, etc.) in that context.
  Cause:
  The error typically occurs when you are trying to define a join condition in a SQL statement (like a JOIN clause) and you are using an operator other than =. For example, if you have a statement like this:
  SELECT * FROM table1
  JOIN table2 ON table1.id > table2.id
  This would trigger the DDLS119 error because the > operator is not allowed in the ON condition.
  Solution:
  To resolve this error, you need to modify your SQL statement to use the equals operator (=) in the ON condition. If you need to express a more complex condition, you can do so in the WHERE clause after the JOIN. Here’s how you can rewrite the previous example:
  SELECT * FROM table1
  JOIN table2 ON table1.id = table2.id
  WHERE table1.id > table2.id
  Related Information:
  
  Join Conditions: In SQL, when performing joins, the ON clause is used to specify the condition for the join. It is typically used to match rows from two tables based on a common key.
  SQL Syntax: Always ensure that your SQL syntax adheres to the rules of the database system you are using. In the case of SAP HANA or other SQL-based systems, the rules may vary slightly.
  Debugging SQL Statements: If you encounter errors, reviewing the SQL statement for syntax issues and ensuring that you are using the correct operators in the appropriate places can help resolve many common problems.
  
  By following these guidelines, you should be able to correct the error and successfully execute your SQL statements.