use read replica for "read"

2024-06-21 14:39:40 +08:00
parent b0d6876e56
commit a1cd611fa7
2 changed files with 39 additions and 32 deletions
--- a/packages/api/src/data_source.ts
+++ b/packages/api/src/data_source.ts
@ -23,26 +23,27 @@ export const appDataSource = new DataSource({
    max: env.pg.pool.max,
    idleTimeoutMillis: 10000, // 10 seconds
  },
-  replication: env.pg.slave
-    ? {
-        // set the default destination for read queries as the master instance
-        defaultMode: 'master',
-        master: {
-          host: env.pg.host,
-          port: env.pg.port,
-          username: env.pg.userName,
-          password: env.pg.password,
-          database: env.pg.dbName,
-        },
-        slaves: [
-          {
-            host: env.pg.slave.host,
-            port: env.pg.slave.port,
-            username: env.pg.slave.userName,
-            password: env.pg.slave.password,
-            database: env.pg.slave.dbName,
-          },
-        ],
-      }
-    : undefined,
 })
+
+if (env.pg.replication) {
+  appDataSource.setOptions({
+    replication: {
+      master: {
+        host: env.pg.host,
+        port: env.pg.port,
+        username: env.pg.userName,
+        password: env.pg.password,
+        database: env.pg.dbName,
+      },
+      slaves: [
+        {
+          host: env.pg.slave.host,
+          port: env.pg.slave.port,
+          username: env.pg.slave.userName,
+          password: env.pg.slave.password,
+          database: env.pg.slave.dbName,
+        },
+      ],
+    },
+  })
+}