Fixed compilation

Author: lucamolteni

hibernate-core/src/main/java/org/hibernate/dialect/function/OrdinalFunction.java

@@ -6,6 +6,7 @@
 
 import java.util.List;
 
+import org.hibernate.QueryException;
 import org.hibernate.metamodel.mapping.JdbcMapping;
 import org.hibernate.query.ReturnableType;
 import org.hibernate.query.sqm.function.AbstractSqmSelfRenderingFunctionDescriptor;
@@ -20,8 +21,6 @@
 import org.hibernate.type.descriptor.jdbc.JdbcType;
 import org.hibernate.type.spi.TypeConfiguration;
 
-import static java.lang.String.format;
-
 
 /**
  * The HQL {@code ordinal()} function returns the ordinal value of an enum
@@ -56,8 +55,6 @@ public void render(
 		JdbcMapping singleJdbcMapping = singleExpression.getExpressionType().getSingleJdbcMapping();
 		JdbcType argumentType = singleJdbcMapping.getJdbcType();
 
-		String columnNameExpression = singleExpression.getColumnReference().getColumnExpression();
-
 		if ( argumentType.isInteger() ) {
 			singleExpression.accept( walker );
 		}
@@ -72,7 +69,6 @@ else if ( argumentType.isString() || argumentType.isEnum() ) {
 				Enum<?> enumValue = (Enum<?>) e;
 				sqlAppender.appendSql( " when " );
 				sqlAppender.appendSingleQuoteEscapedString( enumValue.toString() );
-				sqlAppender.append( format( "'%s'", enumValue.toString() ) );
 				sqlAppender.appendSql( " then " );
 				sqlAppender.appendSql( enumValue.ordinal() );
 			}