1#pragma once
2
3#include <vector>
4#include <Core/Block.h>
5
6
7namespace DB
8{
9/** Common part for implementation of MySQLBlockInputStream, MongoDBBlockInputStream and others.
10 */
11struct ExternalResultDescription
12{
13 enum struct ValueType
14 {
15 vtUInt8,
16 vtUInt16,
17 vtUInt32,
18 vtUInt64,
19 vtInt8,
20 vtInt16,
21 vtInt32,
22 vtInt64,
23 vtFloat32,
24 vtFloat64,
25 vtString,
26 vtDate,
27 vtDateTime,
28 vtUUID,
29 };
30
31 Block sample_block;
32 std::vector<std::pair<ValueType, bool /* is_nullable */>> types;
33
34 void init(const Block & sample_block_);
35};
36
37}
38