1 | #include "duckdb/common/exception.hpp" |
2 | #include "duckdb/common/operator/comparison_operators.hpp" |
3 | #include "duckdb/common/value_operations/value_operations.hpp" |
4 | |
5 | using namespace duckdb; |
6 | using namespace std; |
7 | |
8 | //===--------------------------------------------------------------------===// |
9 | // Comparison Operations |
10 | //===--------------------------------------------------------------------===// |
11 | template <class OP> static bool templated_boolean_operation(const Value &left, const Value &right) { |
12 | if (left.type != right.type) { |
13 | TypeId left_cast = TypeId::INVALID, right_cast = TypeId::INVALID; |
14 | if (TypeIsNumeric(left.type) && TypeIsNumeric(right.type)) { |
15 | if (left.type < right.type) { |
16 | left_cast = right.type; |
17 | } else { |
18 | right_cast = left.type; |
19 | } |
20 | } else if (left.type == TypeId::BOOL) { |
21 | right_cast = TypeId::BOOL; |
22 | } else if (right.type == TypeId::BOOL) { |
23 | left_cast = TypeId::BOOL; |
24 | } |
25 | if (left_cast != TypeId::INVALID) { |
26 | return templated_boolean_operation<OP>(left.CastAs(left_cast), right); |
27 | } else if (right_cast != TypeId::INVALID) { |
28 | return templated_boolean_operation<OP>(left, right.CastAs(right_cast)); |
29 | } |
30 | return false; |
31 | } |
32 | switch (left.type) { |
33 | case TypeId::BOOL: |
34 | return OP::Operation(left.value_.boolean, right.value_.boolean); |
35 | case TypeId::INT8: |
36 | return OP::Operation(left.value_.tinyint, right.value_.tinyint); |
37 | case TypeId::INT16: |
38 | return OP::Operation(left.value_.smallint, right.value_.smallint); |
39 | case TypeId::INT32: |
40 | return OP::Operation(left.value_.integer, right.value_.integer); |
41 | case TypeId::INT64: |
42 | return OP::Operation(left.value_.bigint, right.value_.bigint); |
43 | case TypeId::POINTER: |
44 | return OP::Operation(left.value_.pointer, right.value_.pointer); |
45 | case TypeId::HASH: |
46 | return OP::Operation(left.value_.hash, right.value_.hash); |
47 | case TypeId::FLOAT: |
48 | return OP::Operation(left.value_.float_, right.value_.float_); |
49 | case TypeId::DOUBLE: |
50 | return OP::Operation(left.value_.double_, right.value_.double_); |
51 | case TypeId::VARCHAR: |
52 | return OP::Operation(left.str_value, right.str_value); |
53 | case TypeId::STRUCT: { |
54 | for (idx_t i = 0; i < left.struct_value.size(); i++) { |
55 | if (i >= right.struct_value.size() || left.struct_value[i].first != right.struct_value[i].first || |
56 | left.struct_value[i].second != left.struct_value[i].second) { |
57 | return false; |
58 | } |
59 | } |
60 | return true; |
61 | } |
62 | case TypeId::LIST: { |
63 | return left.list_value == right.list_value; |
64 | } |
65 | default: |
66 | throw NotImplementedException("Unimplemented type" ); |
67 | } |
68 | } |
69 | |
70 | bool ValueOperations::Equals(const Value &left, const Value &right) { |
71 | if (left.is_null && right.is_null) { |
72 | return true; |
73 | } |
74 | if (left.is_null != right.is_null) { |
75 | return false; |
76 | } |
77 | return templated_boolean_operation<duckdb::Equals>(left, right); |
78 | } |
79 | |
80 | bool ValueOperations::NotEquals(const Value &left, const Value &right) { |
81 | return !ValueOperations::Equals(left, right); |
82 | } |
83 | |
84 | bool ValueOperations::GreaterThan(const Value &left, const Value &right) { |
85 | if (left.is_null && right.is_null) { |
86 | return false; |
87 | } else if (right.is_null) { |
88 | return true; |
89 | } else if (left.is_null) { |
90 | return false; |
91 | } |
92 | return templated_boolean_operation<duckdb::GreaterThan>(left, right); |
93 | } |
94 | |
95 | bool ValueOperations::GreaterThanEquals(const Value &left, const Value &right) { |
96 | if (left.is_null && right.is_null) { |
97 | return true; |
98 | } else if (right.is_null) { |
99 | return true; |
100 | } else if (left.is_null) { |
101 | return false; |
102 | } |
103 | return templated_boolean_operation<duckdb::GreaterThanEquals>(left, right); |
104 | } |
105 | |
106 | bool ValueOperations::LessThan(const Value &left, const Value &right) { |
107 | return ValueOperations::GreaterThan(right, left); |
108 | } |
109 | |
110 | bool ValueOperations::LessThanEquals(const Value &left, const Value &right) { |
111 | return ValueOperations::GreaterThanEquals(right, left); |
112 | } |
113 | |