Examples with Expression org.hibernate.sql.ast.tree.expression.Expression used on opensource projects

Example 66 with Expression

use of org.hibernate.sql.ast.tree.expression.Expression in project hibernate-orm by hibernate.

the class StandardFunctionReturnTypeResolvers method extractArgumentValuedMapping.

public static BasicValuedMapping extractArgumentValuedMapping(List<? extends SqlAstNode> arguments, int position) {
    final SqlAstNode specifiedArgument = arguments.get(position - 1);
    final JdbcMappingContainer specifiedArgType = specifiedArgument instanceof Expression ? ((Expression) specifiedArgument).getExpressionType() : null;
    if (specifiedArgType instanceof BasicValuedMapping) {
        return (BasicValuedMapping) specifiedArgType;
    }
    throw new QueryException(String.format(Locale.ROOT, "Function argument [%s] at specified position [%d] in call arguments was not typed as an allowable function return type", specifiedArgument, position));
}

Example 67 with Expression

use of org.hibernate.sql.ast.tree.expression.Expression in project hibernate-orm by hibernate.

the class BasicValuedPathInterpretation method from.

/**
 * Static factory
 */
public static <T> BasicValuedPathInterpretation<T> from(SqmBasicValuedSimplePath<T> sqmPath, SqlAstCreationState sqlAstCreationState, SemanticQueryWalker sqmWalker, boolean jpaQueryComplianceEnabled) {
    final FromClauseAccess fromClauseAccess = sqlAstCreationState.getFromClauseAccess();
    final TableGroup tableGroup = fromClauseAccess.getTableGroup(sqmPath.getNavigablePath().getParent());
    EntityMappingType treatTarget = null;
    if (jpaQueryComplianceEnabled) {
        if (sqmPath.getLhs() instanceof SqmTreatedPath) {
            final EntityDomainType treatTargetDomainType = ((SqmTreatedPath) sqmPath.getLhs()).getTreatTarget();
            final MappingMetamodel mappingMetamodel = sqlAstCreationState.getCreationContext().getSessionFactory().getRuntimeMetamodels().getMappingMetamodel();
            treatTarget = mappingMetamodel.findEntityDescriptor(treatTargetDomainType.getHibernateEntityName());
        } else if (sqmPath.getLhs().getNodeType() instanceof EntityDomainType) {
            final EntityDomainType entityDomainType = (EntityDomainType) sqmPath.getLhs().getNodeType();
            final MappingMetamodel mappingMetamodel = sqlAstCreationState.getCreationContext().getSessionFactory().getRuntimeMetamodels().getMappingMetamodel();
            treatTarget = mappingMetamodel.findEntityDescriptor(entityDomainType.getHibernateEntityName());
        }
    }
    final BasicValuedModelPart mapping = (BasicValuedModelPart) tableGroup.getModelPart().findSubPart(sqmPath.getReferencedPathSource().getPathName(), treatTarget);
    if (mapping == null) {
        if (jpaQueryComplianceEnabled) {
            // to get the better error, see if we got nothing because of treat handling
            final ModelPart subPart = tableGroup.getModelPart().findSubPart(sqmPath.getReferencedPathSource().getPathName(), null);
            if (subPart != null) {
                throw new StrictJpaComplianceViolation(StrictJpaComplianceViolation.Type.IMPLICIT_TREAT);
            }
        }
        throw new SemanticException("`" + sqmPath.getNavigablePath().getFullPath() + "` did not reference a known model part");
    }
    final TableReference tableReference = tableGroup.resolveTableReference(sqmPath.getNavigablePath(), mapping.getContainingTableExpression());
    final Expression expression = sqlAstCreationState.getSqlExpressionResolver().resolveSqlExpression(SqlExpressionResolver.createColumnReferenceKey(tableReference, mapping.getSelectionExpression()), sacs -> new ColumnReference(tableReference.getIdentificationVariable(), mapping, sqlAstCreationState.getCreationContext().getSessionFactory()));
    final ColumnReference columnReference;
    if (expression instanceof ColumnReference) {
        columnReference = ((ColumnReference) expression);
    } else if (expression instanceof SqlSelectionExpression) {
        final Expression selectedExpression = ((SqlSelectionExpression) expression).getSelection().getExpression();
        assert selectedExpression instanceof ColumnReference;
        columnReference = (ColumnReference) selectedExpression;
    } else {
        throw new UnsupportedOperationException("Unsupported basic-valued path expression : " + expression);
    }
    return new BasicValuedPathInterpretation<>(columnReference, sqmPath.getNavigablePath(), mapping, tableGroup);
}

Example 68 with Expression

use of org.hibernate.sql.ast.tree.expression.Expression in project hibernate-orm by hibernate.

the class HSQLSqlAstTranslator method visitAnsiCaseSimpleExpression.

@Override
protected void visitAnsiCaseSimpleExpression(CaseSimpleExpression caseSimpleExpression, Consumer<Expression> resultRenderer) {
    if (getParameterRenderingMode() == SqlAstNodeRenderingMode.DEFAULT && areAllResultsParameters(caseSimpleExpression)) {
        final List<CaseSimpleExpression.WhenFragment> whenFragments = caseSimpleExpression.getWhenFragments();
        final Expression firstResult = whenFragments.get(0).getResult();
        super.visitAnsiCaseSimpleExpression(caseSimpleExpression, e -> {
            if (e == firstResult) {
                renderCasted(e);
            } else {
                resultRenderer.accept(e);
            }
        });
    } else {
        super.visitAnsiCaseSimpleExpression(caseSimpleExpression, resultRenderer);
    }
}

Example 69 with Expression

use of org.hibernate.sql.ast.tree.expression.Expression in project hibernate-orm by hibernate.

the class HSQLSqlAstTranslator method visitAnsiCaseSearchedExpression.

// HSQL does not allow CASE expressions where all result arms contain plain parameters.
// At least one result arm must provide some type context for inference,
// so we cast the first result arm if we encounter this condition
@Override
protected void visitAnsiCaseSearchedExpression(CaseSearchedExpression caseSearchedExpression, Consumer<Expression> resultRenderer) {
    if (getParameterRenderingMode() == SqlAstNodeRenderingMode.DEFAULT && areAllResultsParameters(caseSearchedExpression)) {
        final List<CaseSearchedExpression.WhenFragment> whenFragments = caseSearchedExpression.getWhenFragments();
        final Expression firstResult = whenFragments.get(0).getResult();
        super.visitAnsiCaseSearchedExpression(caseSearchedExpression, e -> {
            if (e == firstResult) {
                renderCasted(e);
            } else {
                resultRenderer.accept(e);
            }
        });
    } else {
        super.visitAnsiCaseSearchedExpression(caseSearchedExpression, resultRenderer);
    }
}

Example 70 with Expression

use of org.hibernate.sql.ast.tree.expression.Expression in project hibernate-orm by hibernate.

the class DerbySqlAstTranslator method visitAnsiCaseSimpleExpression.

@Override
protected void visitAnsiCaseSimpleExpression(CaseSimpleExpression caseSimpleExpression, Consumer<Expression> resultRenderer) {
    if (getParameterRenderingMode() == SqlAstNodeRenderingMode.DEFAULT && areAllResultsParameters(caseSimpleExpression)) {
        final List<CaseSimpleExpression.WhenFragment> whenFragments = caseSimpleExpression.getWhenFragments();
        final Expression firstResult = whenFragments.get(0).getResult();
        super.visitAnsiCaseSimpleExpression(caseSimpleExpression, e -> {
            if (e == firstResult) {
                renderCasted(e);
            } else {
                resultRenderer.accept(e);
            }
        });
    } else {
        super.visitAnsiCaseSimpleExpression(caseSimpleExpression, resultRenderer);
    }
}