From 4fee58999d87380958f7a9eaf2b519a21a740943 Mon Sep 17 00:00:00 2001
From: Syngnat <92659908+Syngnat@users.noreply.github.com>
Date: Tue, 7 Jul 2026 17:29:17 +0800
Subject: [PATCH] perf(db): keep one idle Oracle-style connection

---
 internal/db/sql_pool.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/internal/db/sql_pool.go b/internal/db/sql_pool.go
index 146ec2a5..13620c3f 100644
--- a/internal/db/sql_pool.go
+++ b/internal/db/sql_pool.go
@@ -19,6 +19,12 @@ func configureSQLConnectionPool(db *sql.DB, dbType string) {
 	switch strings.ToLower(strings.TrimSpace(dbType)) {
 	case "sqlite", "duckdb":
 		return
+	case "oracle", "oceanbase":
+		db.SetMaxOpenConns(defaultSQLMaxOpenConns)
+		db.SetMaxIdleConns(1)
+		db.SetConnMaxIdleTime(defaultSQLConnMaxIdleTime)
+		db.SetConnMaxLifetime(defaultSQLConnMaxLifetime)
+		return
 	}
 	db.SetMaxOpenConns(defaultSQLMaxOpenConns)
 	db.SetMaxIdleConns(0)