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Propagation: wrap commands in also_propagate array with MULIT/EXEC

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Random command like SPOP with count is replicated as
some SREM operations, and store them in also_propagate
array to propagate after the call, but this would break
atomicity.

To keep the command's atomicity, wrap also_propagate
array with MULTI/EXEC.
This commit is contained in:
zhaozhao.zz
2019-11-22 15:32:43 +08:00
parent b93945585a
commit 37a10cef02
5 changed files with 28 additions and 12 deletions
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5
src/scripting.c
View File

@ -1591,11 +1591,8 @@ void evalGenericCommand(client *c, int evalsha) {
if (server.lua_replicate_commands) {
preventCommandPropagation(c);
if (server.lua_multi_emitted) {
robj *propargv[1];
propargv[0] = createStringObject("EXEC",4);
alsoPropagate(server.execCommand,c->db->id,propargv,1,
alsoPropagate(server.execCommand,c->db->id,&shared.exec,1,
PROPAGATE_AOF|PROPAGATE_REPL);
decrRefCount(propargv[0]);
}
}