1 | #include <Functions/IFunctionImpl.h> |
2 | #include <Functions/FunctionFactory.h> |
3 | #include <Functions/GatherUtils/GatherUtils.h> |
4 | #include <DataTypes/DataTypeArray.h> |
5 | #include <DataTypes/DataTypesNumber.h> |
6 | #include <DataTypes/DataTypeNothing.h> |
7 | #include <DataTypes/DataTypeNullable.h> |
8 | #include <DataTypes/getLeastSupertype.h> |
9 | #include <Columns/ColumnArray.h> |
10 | #include <Columns/ColumnsNumber.h> |
11 | #include <Columns/ColumnConst.h> |
12 | #include <Interpreters/castColumn.h> |
13 | #include <Common/typeid_cast.h> |
14 | #include <ext/range.h> |
15 | |
16 | |
17 | namespace DB |
18 | { |
19 | |
20 | namespace ErrorCodes |
21 | { |
22 | extern const int LOGICAL_ERROR; |
23 | extern const int ILLEGAL_TYPE_OF_ARGUMENT; |
24 | } |
25 | |
26 | |
27 | class FunctionArrayHasAllAny : public IFunction |
28 | { |
29 | public: |
30 | FunctionArrayHasAllAny(const Context & context_, bool all_, const char * name_) |
31 | : context(context_), all(all_), name(name_) {} |
32 | |
33 | String getName() const override { return name; } |
34 | |
35 | bool isVariadic() const override { return false; } |
36 | size_t getNumberOfArguments() const override { return 2; } |
37 | |
38 | DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override |
39 | { |
40 | for (auto i : ext::range(0, arguments.size())) |
41 | { |
42 | auto array_type = typeid_cast<const DataTypeArray *>(arguments[i].get()); |
43 | if (!array_type) |
44 | throw Exception("Argument " + std::to_string(i) + " for function " + getName() + " must be an array but it has type " |
45 | + arguments[i]->getName() + "." , ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT); |
46 | } |
47 | |
48 | return std::make_shared<DataTypeUInt8>(); |
49 | } |
50 | |
51 | void executeImpl(Block & block, const ColumnNumbers & arguments, size_t result, size_t input_rows_count) override |
52 | { |
53 | size_t rows = input_rows_count; |
54 | size_t num_args = arguments.size(); |
55 | |
56 | DataTypePtr common_type = nullptr; |
57 | auto commonType = [&common_type, &block, &arguments]() |
58 | { |
59 | if (common_type == nullptr) |
60 | { |
61 | DataTypes data_types; |
62 | data_types.reserve(arguments.size()); |
63 | for (const auto & argument : arguments) |
64 | data_types.push_back(block.getByPosition(argument).type); |
65 | |
66 | common_type = getLeastSupertype(data_types); |
67 | } |
68 | |
69 | return common_type; |
70 | }; |
71 | |
72 | Columns preprocessed_columns(num_args); |
73 | |
74 | for (size_t i = 0; i < num_args; ++i) |
75 | { |
76 | const auto & argument = block.getByPosition(arguments[i]); |
77 | ColumnPtr preprocessed_column = argument.column; |
78 | |
79 | const auto argument_type = typeid_cast<const DataTypeArray *>(argument.type.get()); |
80 | const auto & nested_type = argument_type->getNestedType(); |
81 | |
82 | /// Converts Array(Nothing) or Array(Nullable(Nothing) to common type. Example: hasAll([Null, 1], [Null]) -> 1 |
83 | if (typeid_cast<const DataTypeNothing *>(removeNullable(nested_type).get())) |
84 | preprocessed_column = castColumn(argument, commonType(), context); |
85 | |
86 | preprocessed_columns[i] = std::move(preprocessed_column); |
87 | } |
88 | |
89 | std::vector<std::unique_ptr<GatherUtils::IArraySource>> sources; |
90 | |
91 | for (auto & argument_column : preprocessed_columns) |
92 | { |
93 | bool is_const = false; |
94 | |
95 | if (auto argument_column_const = typeid_cast<const ColumnConst *>(argument_column.get())) |
96 | { |
97 | is_const = true; |
98 | argument_column = argument_column_const->getDataColumnPtr(); |
99 | } |
100 | |
101 | if (auto argument_column_array = typeid_cast<const ColumnArray *>(argument_column.get())) |
102 | sources.emplace_back(GatherUtils::createArraySource(*argument_column_array, is_const, rows)); |
103 | else |
104 | throw Exception{"Arguments for function " + getName() + " must be arrays." , ErrorCodes::LOGICAL_ERROR}; |
105 | } |
106 | |
107 | auto result_column = ColumnUInt8::create(rows); |
108 | auto result_column_ptr = typeid_cast<ColumnUInt8 *>(result_column.get()); |
109 | GatherUtils::sliceHas(*sources[0], *sources[1], all, *result_column_ptr); |
110 | |
111 | block.getByPosition(result).column = std::move(result_column); |
112 | } |
113 | |
114 | bool useDefaultImplementationForConstants() const override { return true; } |
115 | |
116 | private: |
117 | const Context & context; |
118 | bool all; |
119 | const char * name; |
120 | }; |
121 | |
122 | } |
123 | |