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