1 | #include <DataTypes/DataTypeFunction.h> |
---|---|
2 | #include <IO/WriteBufferFromString.h> |
3 | #include <IO/Operators.h> |
4 | |
5 | |
6 | namespace DB |
7 | { |
8 | |
9 | std::string DataTypeFunction::doGetName() const |
10 | { |
11 | WriteBufferFromOwnString res; |
12 | |
13 | res << "Function("; |
14 | if (argument_types.size() > 1) |
15 | res << "("; |
16 | for (size_t i = 0; i < argument_types.size(); ++i) |
17 | { |
18 | if (i > 0) |
19 | res << ", "; |
20 | const DataTypePtr & type = argument_types[i]; |
21 | res << (type ? type->getName() : "?"); |
22 | } |
23 | if (argument_types.size() > 1) |
24 | res << ")"; |
25 | res << " -> "; |
26 | res << (return_type ? return_type->getName() : "?"); |
27 | res << ")"; |
28 | return res.str(); |
29 | } |
30 | |
31 | bool DataTypeFunction::equals(const IDataType & rhs) const |
32 | { |
33 | return typeid(rhs) == typeid(*this) && getName() == rhs.getName(); |
34 | } |
35 | |
36 | } |
37 |