iostream_debug_helpers.h source code [ClickHouse/dbms/src/Core/iostream_debug_helpers.h]

1	#pragma once
2	#include <iostream>
3
4	namespace DB
5	{
6
7	// Use template to disable implicit casting for certain overloaded types such as Field, which leads
8	// to overload resolution ambiguity.
9	class Field;
10	template <typename T, typename U = std::enable_if_t<std::is_same_v<T, Field>>>
11	std::ostream & operator<<(std::ostream & stream, const T & what);
12
13	class IBlockInputStream;
14	std::ostream & operator<<(std::ostream & stream, const IBlockInputStream & what);
15
16	struct NameAndTypePair;
17	std::ostream & operator<<(std::ostream & stream, const NameAndTypePair & what);
18
19	class IDataType;
20	std::ostream & operator<<(std::ostream & stream, const IDataType & what);
21
22	class IStorage;
23	std::ostream & operator<<(std::ostream & stream, const IStorage & what);
24
25	class TableStructureReadLock;
26	std::ostream & operator<<(std::ostream & stream, const TableStructureReadLock & what);
27
28	class IFunctionOverloadResolver;
29	std::ostream & operator<<(std::ostream & stream, const IFunctionOverloadResolver & what);
30
31	class IFunctionBase;
32	std::ostream & operator<<(std::ostream & stream, const IFunctionBase & what);
33
34	class Block;
35	std::ostream & operator<<(std::ostream & stream, const Block & what);
36
37	struct ColumnWithTypeAndName;
38	std::ostream & operator<<(std::ostream & stream, const ColumnWithTypeAndName & what);
39
40	class IColumn;
41	std::ostream & operator<<(std::ostream & stream, const IColumn & what);
42
43	struct Packet;
44	std::ostream & operator<<(std::ostream & stream, const Packet & what);
45
46	struct ExpressionAction;
47	std::ostream & operator<<(std::ostream & stream, const ExpressionAction & what);
48
49	class ExpressionActions;
50	std::ostream & operator<<(std::ostream & stream, const ExpressionActions & what);
51
52	struct SyntaxAnalyzerResult;
53	std::ostream & operator<<(std::ostream & stream, const SyntaxAnalyzerResult & what);
54	}
55
56	/// some operator<< should be declared before operator<<(... std::shared_ptr<>)
57	#include <common/iostream_debug_helpers.h>
58

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