public function visitComparisonExpression(Expr\ComparisonExpression $expr)
{
$field = $expr->getField();
$value = $this->visitValueIdentifier($expr->getValue());
switch ($expr->getOperator()) {
case Expr\ComparisonExpression::EQ:
if (null === $value) {
return $field . Literals::L_COLON . Literals::L_NULL;
}
return $field . Literals::L_COLON . Literals::L_EQ . Literals::L_COLON . $value;
case Expr\ComparisonExpression::NEQ:
if (null === $value) {
return $field . Literals::L_COLON . Literals::L_ANY;
}
return $field . Literals::L_COLON . Literals::L_NE . Literals::L_COLON . $value;
case Expr\ComparisonExpression::GT:
return $field . Literals::L_COLON . Literals::L_GT . Literals::L_COLON . $value;
case Expr\ComparisonExpression::GTE:
return $field . Literals::L_COLON . Literals::L_GE . Literals::L_COLON . $value;
case Expr\ComparisonExpression::LT:
return $field . Literals::L_COLON . Literals::L_LT . Literals::L_COLON . $value;
case Expr\ComparisonExpression::LTE:
return $field . Literals::L_COLON . Literals::L_LE . Literals::L_COLON . $value;
default:
throw new \RuntimeException(sprintf('Unknown Operator[%s] for ComparisonExpression.', (string) $textComparison->getOperator()));
break;
}
}
public function visitComparisonExpression(Expr\ComparisonExpression $expr)
{
// fixme
$rawValue = $this->visitValueIdentifier($expr->getValue());
$parameterName = str_replace('.', '_', $expr->getField()) . '_' . substr(md5($rawValue), 0, 5);
$parameter = new Parameter($parameterName, $rawValue);
$placeHolder = ':' . $parameterName;
$qb = $this->getQueryBuilder();
switch ($expr->getOperator()) {
case Expr\ComparisonExpression::EQ:
if (null === $rawValue) {
return $qb->expr()->isNull($this->visitField($expr->getField()));
}
$qb->getParameters()->add($parameter);
return $qb->expr()->eq($this->visitField($expr->getField()), $placeHolder);
case Expr\ComparisonExpression::NEQ:
if (null === $rawValue) {
return $qb->expr()->isNotNull($this->visitField($expr->getField()));
}
$qb->getParameters()->add($parameter);
return $qb->expr()->neq($this->visitField($expr->getField()), $placeHolder);
case Expr\ComparisonExpression::GT:
$qb->getParameters()->add($parameter);
return $qb->expr()->gt($this->visitField($expr->getField()), $placeHolder);
case Expr\ComparisonExpression::GTE:
$qb->getParameters()->add($parameter);
return $qb->expr()->gte($this->visitField($expr->getField()), $placeHolder);
case Expr\ComparisonExpression::LT:
$qb->getParameters()->add($parameter);
return $qb->expr()->lt($this->visitField($expr->getField()), $placeHolder);
case Expr\ComparisonExpression::LTE:
$qb->getParameters()->add($parameter);
return $qb->expr()->lte($this->visitField($expr->getField()), $placeHolder);
break;
default:
throw new \RuntimeException(sprintf('Unknown Operator[%s] for ComparisonExpression.', (string) $textComparison->getOperator()));
break;
}
}
