refactor: rename close to destory

After executing some SQL statements, the connection must be closed

Author: cuyl

lib/loader.js

@@ -22,7 +22,7 @@ function createOneClient(config, app) {
     app.coreLogger.info(`[egg-oracle] instance[${index}] status OK, currentTime: ${rows[0][0]}`);
   });
   app.beforeClose(async () => {
-    await client.close();
+    await client.destroy();
     client = null;
   });
   return client;

lib/oracle.js

@@ -21,14 +21,11 @@ class OracleDB {
    * @see {@link https://github.com/OraOpenSource/orawrap}
    */
   async getConnection() {
-    if (this.connection) {
-      await this.connection.close();
-    }
-    this.connection = await this.pool.getConnection();
-    return this.connection;
+    return (this.connection = await this.pool.getConnection());
   }
 
   /**
+   * Only select SQL use
    * This call executes a SQL or PL/SQL statement. See SQL Execution for examples.
    * The statement to be executed may contain IN binds, OUT or IN OUT bind values or variables, which are bound using either an object or an array.
    * @param	 {string} sql SQL Statement.
@@ -37,18 +34,19 @@ 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 || this.getConnection();
     if (typeof sql === 'string' && bindParams instanceof Object) {
       try {
-        return await this.connection.execute(sql, bindParams, options);
+        return connection.execute(sql, bindParams, options);
       } catch (err) {
         this.log.error(err.message);
-        this.getConnection();
+        await connection.close();
+        await this.getConnection();
       }
     }
   }
 
-  async close() {
-    await this.connection.close();
+  async destroy() {
     await this.pool.close();
     this.connection = null;
     this.pool = null;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "egg-oracle",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "description": "Oracle database plugin for egg",
   "eggPlugin": {
     "name": "oracle"