1 | #pragma once |
2 | #include <Core/Types.h> |
3 | #include <vector> |
4 | namespace DB |
5 | { |
6 | /* Parse a string that generates shards and replicas. Separator - one of two characters | or , |
7 | * depending on whether shards or replicas are generated. |
8 | * For example: |
9 | * host1,host2,... - generates set of shards from host1, host2, ... |
10 | * host1|host2|... - generates set of replicas from host1, host2, ... |
11 | * abc{8..10}def - generates set of shards abc8def, abc9def, abc10def. |
12 | * abc{08..10}def - generates set of shards abc08def, abc09def, abc10def. |
13 | * abc{x,yy,z}def - generates set of shards abcxdef, abcyydef, abczdef. |
14 | * abc{x|yy|z} def - generates set of replicas abcxdef, abcyydef, abczdef. |
15 | * abc{1..9}de{f,g,h} - is a direct product, 27 shards. |
16 | * abc{1..9}de{0|1} - is a direct product, 9 shards, in each 2 replicas. |
17 | */ |
18 | std::vector<String> parseRemoteDescription(const String & description, size_t l, size_t r, char separator, size_t max_addresses); |
19 | |
20 | } |
21 | |