Examples with BinaryArithmeticOperator org.hibernate.query.sqm.BinaryArithmeticOperator used on opensource projects

Example 6 with BinaryArithmeticOperator

use of org.hibernate.query.sqm.BinaryArithmeticOperator in project hibernate-orm by hibernate.

the class SemanticQueryBuilder method visitMultiplicationExpression.

@Override
public Object visitMultiplicationExpression(HqlParser.MultiplicationExpressionContext ctx) {
    if (ctx.getChildCount() != 3) {
        throw new ParsingException("Expecting 2 operands to the multiplicative operator");
    }
    final SqmExpression<?> left = (SqmExpression<?>) ctx.getChild(0).accept(this);
    final SqmExpression<?> right = (SqmExpression<?>) ctx.getChild(2).accept(this);
    final BinaryArithmeticOperator operator = (BinaryArithmeticOperator) ctx.getChild(1).accept(this);
    if (operator == BinaryArithmeticOperator.MODULO) {
        return getFunctionDescriptor("mod").generateSqmExpression(asList(left, right), null, creationContext.getQueryEngine(), creationContext.getJpaMetamodel().getTypeConfiguration());
    } else {
        return new SqmBinaryArithmetic<>(operator, left, right, creationContext.getJpaMetamodel(), creationContext.getNodeBuilder());
    }
}

Example 7 with BinaryArithmeticOperator

use of org.hibernate.query.sqm.BinaryArithmeticOperator in project hibernate-orm by hibernate.

the class BaseSqmToSqlAstConverter method transformDatetimeArithmetic.

private Object transformDatetimeArithmetic(SqmBinaryArithmetic<?> expression) {
    BinaryArithmeticOperator operator = expression.getOperator();
    // timestamps are ill-formed
    if (operator != SUBTRACT) {
        throw new SemanticException("illegal operator for temporal type: " + operator);
    }
    // a difference between two dates or two
    // timestamps is a leaf duration, so we
    // must apply the scale, and the 'by unit'
    // ts1 - ts2
    Expression left = cleanly(() -> toSqlExpression(expression.getLeftHandOperand().accept(this)));
    Expression right = cleanly(() -> toSqlExpression(expression.getRightHandOperand().accept(this)));
    TypeConfiguration typeConfiguration = getCreationContext().getMappingMetamodel().getTypeConfiguration();
    TemporalType leftTimestamp = typeConfiguration.getSqlTemporalType(expression.getLeftHandOperand().getNodeType());
    TemporalType rightTimestamp = typeConfiguration.getSqlTemporalType(expression.getRightHandOperand().getNodeType());
    // when we're dealing with Dates, we use
    // DAY as the smallest unit, otherwise we
    // use a platform-specific granularity
    TemporalUnit baseUnit = (rightTimestamp == TemporalType.TIMESTAMP || leftTimestamp == TemporalType.TIMESTAMP) ? NATIVE : DAY;
    if (adjustedTimestamp != null) {
        if (appliedByUnit != null) {
            throw new IllegalStateException();
        }
        // we're using the resulting duration to
        // adjust a date or timestamp on the left
        // baseUnit is the finest resolution for the
        // temporal type, so we must use it for both
        // the diff, and then the subsequent add
        DurationUnit unit = new DurationUnit(baseUnit, basicType(Integer.class));
        Expression magnitude = applyScale(timestampdiff().expression(null, unit, right, left));
        return timestampadd().expression(// TODO should be adjustedTimestamp.getType()
        (ReturnableType<?>) adjustedTimestampType, unit, magnitude, adjustedTimestamp);
    } else if (appliedByUnit != null) {
        // we're immediately converting the resulting
        // duration to a scalar in the given unit
        DurationUnit unit = (DurationUnit) appliedByUnit.getUnit().accept(this);
        return applyScale(timestampdiff().expression(null, unit, right, left));
    } else {
        // a plain "bare" Duration
        DurationUnit unit = new DurationUnit(baseUnit, basicType(Integer.class));
        BasicValuedMapping durationType = (BasicValuedMapping) expression.getNodeType();
        Expression scaledMagnitude = applyScale(timestampdiff().expression((ReturnableType<?>) expression.getNodeType(), unit, right, left));
        return new Duration(scaledMagnitude, baseUnit, durationType);
    }
}