Method makeEqualFilter

bolt/expression/ExprToSubfieldFilter.cpp:269–296

static

// static
std::unique_ptr<common::Filter> ExprToSubfieldFilterParser::makeEqualFilter(
    const core::TypedExprPtr& valueExpr,
    core::ExpressionEvaluator* evaluator) {
  auto value = toConstant(valueExpr, evaluator);
  if (!value) {
    return nullptr;
  }
  switch (value->typeKind()) {
    case TypeKind::BOOLEAN:
      return boolEqual(singleValue<bool>(value));
    case TypeKind::TINYINT:
      return equal(singleValue<int8_t>(value));
    case TypeKind::SMALLINT:
      return equal(singleValue<int16_t>(value));
    case TypeKind::INTEGER:
      return equal(singleValue<int32_t>(value));
    case TypeKind::BIGINT:
      return equal(singleValue<int64_t>(value));
    case TypeKind::HUGEINT:
      return equalHugeint(singleValue<int128_t>(value));
    case TypeKind::VARCHAR:
      return equal(std::string(singleValue<StringView>(value)));
    case TypeKind::TIMESTAMP:
      return equal(singleValue<Timestamp>(value));
    default:
      return nullptr;
  }
}

// static
std::unique_ptr<common::Filter>