fix: tx end,begin errors

Author: zetxx

lib/postgres/index.js

@@ -172,7 +172,8 @@ module.exports = async(
                 txMap.set(id, client);
                 return id;
             } catch (e) {
-                log('error', `TX Begin: id: ${id}`, e);
+                log('error', `fail while TX Begin: id: ${id}`);
+                log('error', e);
                 throw e;
             }
         },
@@ -185,11 +186,13 @@ module.exports = async(
         async txEnd(id, action) {
             try {
                 const client = txMap.get(id);
+                if (!client) {throw new Error('NoSuchTxId');}
                 await client.query(action);
                 client.release();
                 txMap.delete(id);
             } catch (e) {
-                log('error', `TX End: id: ${id}`, e);
+                log('error', `fail while try to end tx id ${id}`);
+                log('error', e);
                 throw e;
             }
         }