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add database-aware MySQL pooling

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udo
2026-07-18 12:55:48 +00:00
parent 418c5812dc
commit 810c19b042
10 changed files with 83 additions and 31 deletions
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src/wasm/worker.cpp
+7 -5
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@@ -968,14 +968,14 @@ public:
delete db;
}
MySQL* mysql_checkout(const String& host, const String& username, const String& password, bool& reused, bool& persistent)
MySQL* mysql_checkout(const String& host, const String& username, const String& password, const String& database, bool& reused, bool& persistent)
{
reused = false;
persistent = false;
for(size_t i = 0; i < mysql_persistent_pool.size(); i++)
{
MySQL* db = mysql_persistent_pool[i];
if(!db || !db->connection || db->request_host != host || db->request_username != username || db->request_password != password)
if(!db || !db->connection || db->request_host != host || db->request_username != username || db->request_password != password || db->request_database != database)
continue;
if(db->reset_connection())
{
@@ -1000,7 +1000,8 @@ public:
db->request_host = host;
db->request_username = username;
db->request_password = password;
if(!db->connect(host, username, password) || !db->connection)
db->request_database = database;
if(!db->connect(host, username, password, database) || !db->connection)
return(db);
if(persistent)
{
@@ -3705,9 +3706,10 @@ private:
String host = request["host"].to_string();
String username = request["username"].to_string();
String password = request["password"].to_string();
String database = request["database"].to_string();
MySQL* db = 0;
for(auto* pooled : self->mysql_request_pool)
if(pooled && pooled->connection && pooled->request_host == host && pooled->request_username == username && pooled->request_password == password)
if(pooled && pooled->connection && pooled->request_host == host && pooled->request_username == username && pooled->request_password == password && pooled->request_database == database)
{
db = pooled;
connection_source = "request";
@@ -3718,7 +3720,7 @@ private:
{
bool reused = false;
bool persistent = false;
db = self->worker.mysql_checkout(host, username, password, reused, persistent);
db = self->worker.mysql_checkout(host, username, password, database, reused, persistent);
connection_source = reused ? "worker" : "new";
ok = db && db->connection;
if(ok && db->connection)