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Fix race in multiple DB mirroring configurations.

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This commit is contained in:
Adam Ierymenko 2019-08-08 15:29:13 -05:00
parent ad2a7c2590
commit 28d0070ce2
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GPG key ID: 1657198823E52A61
5 changed files with 30 additions and 20 deletions
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16
controller/PostgreSQL.cpp
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@ -183,7 +183,7 @@ bool PostgreSQL::save(nlohmann::json &record,bool notifyListeners)
if (nwid) {
nlohmann::json old;
get(nwid,old);
if ((!old.is_object())||(old != record)) {
if ((!old.is_object())||(!_compareRecords(old,record))) {
record["revision"] = OSUtils::jsonInt(record["revision"],0ULL) + 1ULL;
_commitQueue.post(std::pair<nlohmann::json,bool>(record,notifyListeners));
modified = true;
@ -195,25 +195,13 @@ bool PostgreSQL::save(nlohmann::json &record,bool notifyListeners)
if ((id)&&(nwid)) {
nlohmann::json network,old;
get(nwid,network,id,old);
if ((!old.is_object())||(old != record)) {
if ((!old.is_object())||(!_compareRecords(old,record))) {
record["revision"] = OSUtils::jsonInt(record["revision"],0ULL) + 1ULL;
_commitQueue.post(std::pair<nlohmann::json,bool>(record,notifyListeners));
modified = true;
}
}
}
/*
waitForReady();
if (orig) {
if (*orig != record) {
record["revision"] = OSUtils::jsonInt(record["revision"],0ULL) + 1;
_commitQueue.post(new nlohmann::json(record));
}
} else {
record["revision"] = 1;
_commitQueue.post(new nlohmann::json(record));
}
*/
} catch (std::exception &e) {
fprintf(stderr, "Error on PostgreSQL::save: %s\n", e.what());
} catch (...) {