| 1 | #include "duckdb/parser/expression/cast_expression.hpp" |
| 2 | |
| 3 | #include "duckdb/common/exception.hpp" |
| 4 | #include "duckdb/common/field_writer.hpp" |
| 5 | |
| 6 | #include "duckdb/common/serializer/format_serializer.hpp" |
| 7 | #include "duckdb/common/serializer/format_deserializer.hpp" |
| 8 | |
| 9 | namespace duckdb { |
| 10 | |
| 11 | CastExpression::CastExpression(LogicalType target, unique_ptr<ParsedExpression> child, bool try_cast_p) |
| 12 | : ParsedExpression(ExpressionType::OPERATOR_CAST, ExpressionClass::CAST), cast_type(std::move(target)), |
| 13 | try_cast(try_cast_p) { |
| 14 | D_ASSERT(child); |
| 15 | this->child = std::move(child); |
| 16 | } |
| 17 | |
| 18 | string CastExpression::ToString() const { |
| 19 | return ToString<CastExpression, ParsedExpression>(entry: *this); |
| 20 | } |
| 21 | |
| 22 | bool CastExpression::Equal(const CastExpression &a, const CastExpression &b) { |
| 23 | if (!a.child->Equals(other: *b.child)) { |
| 24 | return false; |
| 25 | } |
| 26 | if (a.cast_type != b.cast_type) { |
| 27 | return false; |
| 28 | } |
| 29 | if (a.try_cast != b.try_cast) { |
| 30 | return false; |
| 31 | } |
| 32 | return true; |
| 33 | } |
| 34 | |
| 35 | unique_ptr<ParsedExpression> CastExpression::Copy() const { |
| 36 | auto copy = make_uniq<CastExpression>(args: cast_type, args: child->Copy(), args: try_cast); |
| 37 | copy->CopyProperties(other: *this); |
| 38 | return std::move(copy); |
| 39 | } |
| 40 | |
| 41 | void CastExpression::Serialize(FieldWriter &writer) const { |
| 42 | writer.WriteSerializable(element: *child); |
| 43 | writer.WriteSerializable(element: cast_type); |
| 44 | writer.WriteField<bool>(element: try_cast); |
| 45 | } |
| 46 | |
| 47 | unique_ptr<ParsedExpression> CastExpression::Deserialize(ExpressionType type, FieldReader &reader) { |
| 48 | auto child = reader.ReadRequiredSerializable<ParsedExpression>(); |
| 49 | auto cast_type = reader.ReadRequiredSerializable<LogicalType, LogicalType>(); |
| 50 | auto try_cast = reader.ReadRequired<bool>(); |
| 51 | return make_uniq_base<ParsedExpression, CastExpression>(args&: cast_type, args: std::move(child), args&: try_cast); |
| 52 | } |
| 53 | |
| 54 | void CastExpression::FormatSerialize(FormatSerializer &serializer) const { |
| 55 | ParsedExpression::FormatSerialize(serializer); |
| 56 | serializer.WriteProperty(tag: "child" , value&: *child); |
| 57 | serializer.WriteProperty(tag: "cast_type" , value: cast_type); |
| 58 | serializer.WriteProperty(tag: "try_cast" , value: try_cast); |
| 59 | } |
| 60 | |
| 61 | unique_ptr<ParsedExpression> CastExpression::FormatDeserialize(ExpressionType type, FormatDeserializer &deserializer) { |
| 62 | auto child = deserializer.ReadProperty<unique_ptr<ParsedExpression>>(tag: "child" ); |
| 63 | auto cast_type = deserializer.ReadProperty<LogicalType>(tag: "cast_type" ); |
| 64 | auto try_cast = deserializer.ReadProperty<bool>(tag: "try_cast" ); |
| 65 | return make_uniq_base<ParsedExpression, CastExpression>(args&: cast_type, args: std::move(child), args&: try_cast); |
| 66 | } |
| 67 | |
| 68 | } // namespace duckdb |
| 69 | |