How To Fix ESH_ENG_CDSVAL_ES054 - DCL too complex

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_ENG_CDSVAL_ES - ES-CDS/ABAP: Validation of domain @EnterpriseSearch

• Message number: 054

• Message text: DCL too complex

What causes this issue?

The authorization check for this CDS-entity is too complex. This is the
case if associations are followed within the DCL-model. All elements
referred in the DCL need to be part of the view, in the context of
Enterprise Search.

System Response

The CDS-entity is not activated for Enterprise Search.

How to fix this error?

Resolve the associations followed by the DCL-definition by including the
elements in question into the CDS-search-view. This can mean that DCL
inherited from another view cannot be used in that way - if so, it must
be copied and adapted.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_ENG_CDSVAL_ES054 - DCL too complex ?

  The SAP error message ESH_ENG_CDSVAL_ES054 indicates that a Data Control Language (DCL) statement is too complex for the system to process. This error typically arises when the DCL statement exceeds the complexity limits set by the SAP HANA database, which can happen due to various reasons such as excessive joins, subqueries, or complex expressions.
  Causes:
  
  Complex DCL Statements: The DCL statement may involve too many joins, subqueries, or complex calculations that exceed the system's processing capabilities.
  Large Data Volume: If the DCL is trying to process a large volume of data, it may lead to performance issues and trigger this error.
  Inefficient Query Design: Poorly designed queries that do not follow best practices can lead to unnecessary complexity.
  Database Configuration: Certain configurations or limitations in the SAP HANA database may also contribute to this error.
  
  Solutions:
  
  
  Simplify the DCL Statement: Review the DCL statement and try to simplify it. This may involve:
  
  Reducing the number of joins.
  Breaking down complex queries into smaller, more manageable parts.
  Avoiding unnecessary subqueries or calculations.
  
  
  
  Optimize Query Performance: Use performance optimization techniques such as:
  
  Indexing relevant columns.
  Analyzing the execution plan to identify bottlenecks.
  Using appropriate filtering to reduce the data set size.
  
  
  
  Check for Best Practices: Ensure that the DCL statement adheres to SAP best practices for query design. This includes:
  
  Using appropriate data types.
  Avoiding Cartesian products.
  Ensuring that the query is written in a way that leverages the database's strengths.
  
  
  
  Database Configuration: Review the SAP HANA database configuration settings. If necessary, consult with your database administrator to adjust settings that may help accommodate more complex queries.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or updates that may address this specific error or provide additional guidance.
  
  
  Testing and Iteration: After making changes, test the DCL statement iteratively to ensure that it runs successfully without triggering the error.
  
  
  Related Information:
  
  SAP HANA Documentation: Review the official SAP HANA documentation for guidelines on query optimization and performance tuning.
  SAP Community: Engage with the SAP Community forums to seek advice from other users who may have encountered similar issues.
  Performance Analysis Tools: Utilize tools like the SAP HANA Studio or SAP HANA Cockpit to analyze query performance and identify areas for improvement.
  
  By following these steps, you should be able to address the ESH_ENG_CDSVAL_ES054 error and improve the performance of your DCL statements in SAP.