Examples with OrExpression org.apache.phoenix.expression.OrExpression used on opensource projects

Example 1 with OrExpression

use of org.apache.phoenix.expression.OrExpression in project phoenix by apache.

the class ExpressionCompiler method orExpression.

private Expression orExpression(List<Expression> children) throws SQLException {
    Iterator<Expression> iterator = children.iterator();
    Determinism determinism = Determinism.ALWAYS;
    while (iterator.hasNext()) {
        Expression child = iterator.next();
        if (child.getDataType() != PBoolean.INSTANCE) {
            throw TypeMismatchException.newException(PBoolean.INSTANCE, child.getDataType(), child.toString());
        }
        if (LiteralExpression.isFalse(child)) {
            iterator.remove();
        }
        if (LiteralExpression.isTrue(child)) {
            return child;
        }
        determinism = determinism.combine(child.getDeterminism());
    }
    if (children.size() == 0) {
        return LiteralExpression.newConstant(false, determinism);
    }
    if (children.size() == 1) {
        return children.get(0);
    }
    return new OrExpression(children);
}