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feat(server): Add --lock_on_hashtags mode. (#1611)

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* feat(server): Add `--lock_on_hashtags` mode.

This new mode effectively locks hashtags (i.e. strings within {curly
braces}) instead of the full keys being used.
This can allow scripts to access undeclared keys if they all use a
common hashtag, like for the case of BullMQ.

To make sure this mode is tested, I added a way to specify flags via env
variables, and modified `ci.yml` to run all tests using this mode as well.
While at it, I also added `--cluster_mode=emulated` mode to CI.
This commit is contained in:
Shahar Mike 2023-08-03 20:13:36 +03:00 • committed by GitHub
parent 8040bed10f
commit 67a4c4e6cb
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13 changed files with 229 additions and 31 deletions
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5
src/server/common.h
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@ -50,6 +50,11 @@ class Transaction;
class EngineShard;
struct KeyLockArgs {
static bool IsLockHashTagEnabled();
// Before acquiring and releasing keys, one must "normalize" them via GetLockKey().
static std::string_view GetLockKey(std::string_view key);
DbIndex db_index = 0;
ArgSlice args;
unsigned key_step = 1;