fix: execute error

Author: cuyl

lib/oracle.js

@@ -23,7 +23,7 @@ class OracleDB {
    */
   async _getConnection() {
     try {
-      return this.pool.getConnection();
+      return await this.pool.getConnection();
     } catch (err) {
       this.log.error(err.message);
       try {
@@ -62,19 +62,13 @@ class OracleDB {
    * @return {ResultObject}	result object, containing any fetched rows, the values of any OUT and IN OUT bind variables, and the number of rows affected by the execution of DML statements.
    */
   async execute(sql, bindParams = {}, options = {}) {
-    const connection = this.connection || await this._getConnection();
+    const connection = this.connection || (this.connection = await this._getConnection());
     if (typeof sql === 'string' && bindParams instanceof Object) {
       try {
         const result = await connection.execute(sql, bindParams, options);
         return result;
       } catch (err) {
         this.log.error(err.message);
-        try {
-          await connection.close();
-        } catch (error) {
-          this.log.error(error.message);
-          this.connection = await this._getConnection();
-        }
         throw err;
       }
     }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "egg-oracle",
-  "version": "1.0.9",
+  "version": "1.0.11",
   "description": "Oracle database plugin for egg",
   "eggPlugin": {
     "name": "oracle"