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Modules: no MULTI/EXEC for commands replicated from async contexts. 

They are technically like commands executed from external clients one
after the other, and do not constitute a single atomic entity.
This commit is contained in:
antirez 2017-07-05 10:10:20 +02:00
parent 09dd7b5ff0
commit 413c2bc180
1 changed files with 5 additions and 0 deletions
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5
src/module.c
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@ -1163,7 +1163,12 @@ int RM_ReplyWithDouble(RedisModuleCtx *ctx, double d) {
* in the context of a command execution. EXEC will be handled by the
* RedisModuleCommandDispatcher() function. */
void moduleReplicateMultiIfNeeded(RedisModuleCtx *ctx) {
/* If we already emitted MULTI return ASAP. */
if (ctx->flags & REDISMODULE_CTX_MULTI_EMITTED) return;
/* If this is a thread safe context, we do not want to wrap commands
* executed into MUTLI/EXEC, they are executed as single commands
* from an external client in essence. */
if (ctx->flags & REDISMODULE_CTX_THREAD_SAFE) return;
execCommandPropagateMulti(ctx->client);
ctx->flags |= REDISMODULE_CTX_MULTI_EMITTED;
}