hibernate/hibernate-orm · error · UnsupportedOperationException

Summarization is not supported by DBMS

Error message

Summarization is not supported by DBMS

What it means

Error "Summarization is not supported by DBMS" thrown in hibernate/hibernate-orm.

Source

Thrown at hibernate-core/src/main/java/org/hibernate/dialect/sql/ast/HANASqlAstTranslator.java:310

						appendSql( " not like " );
						rhs.accept( this );
						return;
					default:
						// Fall through
						break;
				}
			}
			renderComparisonStandard( lhs, operator, rhs );
		}
	}

	@Override
	protected void renderPartitionItem(Expression expression) {
		if ( expression instanceof Literal ) {
			appendSql( "grouping sets (())" );
		}
		else if ( expression instanceof Summarization ) {
			throw new UnsupportedOperationException( "Summarization is not supported by DBMS" );
		}
		else {
			expression.accept( this );
		}
	}

	@Override
	protected void renderInsertIntoNoColumns(TableInsertStandard tableInsert) {
		throw new MappingException(
				String.format(
						"The INSERT statement for table [%s] contains no column, and this is not supported by [%s]",
						tableInsert.getMutatingTable().getTableId(),
						getDialect()
				)
		);
	}

	@Override

View on GitHub (pinned to fad1729dce)

Solutions

1. Do not use the summarize construct on SAP HANA; compute summaries with aggregation queries

When it happens

Trigger: Thrown at hibernate-core/src/main/java/org/hibernate/dialect/sql/ast/HANASqlAstTranslator.java:310 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of hibernate/hibernate-orm@fad1729dce (2026-08-22). Data as JSON: /api/errors/a6b169c694559837. Report an issue: GitHub.