fix: empty databases not shown in explore bar

src/main/ipc-handlers/connection.js

@@ -46,12 +46,7 @@ export default connections => {
       try {
          await connection.connect();
 
-         const { rows: structure } = await connection
+         const structure = await connection.getStructure();
-            .select('*')
-            .schema('information_schema')
-            .from('TABLES')
-            .orderBy({ TABLE_SCHEMA: 'ASC', TABLE_NAME: 'ASC' })
-            .run();
 
          connections[conn.uid] = connection;
 

src/main/ipc-handlers/database.js

@@ -16,12 +16,7 @@ export default connections => {
 
    ipcMain.handle('get-structure', async (event, uid) => {
       try {
-         const { rows: structure } = await connections[uid]
+         const structure = await connections[uid].getStructure();
-            .select('*')
-            .schema('information_schema')
-            .from('TABLES')
-            .orderBy({ TABLE_SCHEMA: 'ASC', TABLE_NAME: 'ASC' })
-            .run();
 
          return { status: 'success', response: structure };
       }

src/main/libs/clients/MySQLClient.js

@@ -23,7 +23,7 @@ export class MySQLClient extends AntaresCore {
    /**
     * Executes an USE query
     *
-    * @param {*} schema
+    * @param {String} schema
     * @memberof MySQLClient
     */
    use (schema) {
@@ -31,15 +31,36 @@ export class MySQLClient extends AntaresCore {
       return this.raw(sql);
    }
 
+   /**
+    * @returns {Array.<Object>} databases scructure
+    * @memberof MySQLClient
+    */
+   async getStructure () {
+      const { rows: databases } = await this.raw('SHOW DATABASES');
+
+      const { rows: tables } = await this
+         .select('*')
+         .schema('information_schema')
+         .from('TABLES')
+         .orderBy({ TABLE_SCHEMA: 'ASC', TABLE_NAME: 'ASC' })
+         .run();
+
+      return databases.map(db => {
+         return {
+            name: db.Database,
+            tables: tables.filter(table => table.TABLE_SCHEMA === db.Database)
+         };
+      });
+   }
+
    /**
     * SHOW COLLATION
     *
-    * @returns
+    * @returns {Array.<Object>} collations list
     * @memberof MySQLClient
     */
    async getCollations () {
-      const sql = 'SHOW COLLATION';
+      const results = await this.raw('SHOW COLLATION');
-      const results = await this.raw(sql);
 
       return results.rows.map(row => {
          return {
@@ -56,7 +77,7 @@ export class MySQLClient extends AntaresCore {
    /**
     * SHOW VARIABLES
     *
-    * @returns
+    * @returns {Array.<Object>} variables list
     * @memberof MySQLClient
     */
    async getVariables () {
@@ -72,7 +93,7 @@ export class MySQLClient extends AntaresCore {
    }
 
    /**
-    * @returns {string} SQL string
+    * @returns {String} SQL string
     * @memberof MySQLClient
     */
    getSQL () {

src/renderer/store/modules/workspaces.store.js

@@ -4,18 +4,6 @@ import Database from '@/ipc-api/Database';
 import { uidGen } from 'common/libs/uidGen';
 const tabIndex = [];
 
-function remapStructure (structure) { // TODO: move to main process and add fields (for autocomplete purpose), also add empty database
-   const databases = structure.map(table => table.TABLE_SCHEMA)
-      .filter((value, index, self) => self.indexOf(value) === index);
-
-   return databases.map(db => {
-      return {
-         name: db,
-         tables: structure.filter(table => table.TABLE_SCHEMA === db)
-      };
-   });
-}
-
 export default {
    namespaced: true,
    strict: true,
@@ -155,7 +143,7 @@ export default {
             if (status === 'error')
                dispatch('notifications/addNotification', { status, message: response }, { root: true });
             else {
-               commit('ADD_CONNECTED', { uid: connection.uid, structure: remapStructure(response) });
+               commit('ADD_CONNECTED', { uid: connection.uid, structure: response });
                dispatch('refreshCollations', connection.uid);
                dispatch('refreshVariables', connection.uid);
             }
@@ -170,7 +158,7 @@ export default {
             if (status === 'error')
                dispatch('notifications/addNotification', { status, message: response }, { root: true });
             else
-               commit('REFRESH_STRUCTURE', { uid, structure: remapStructure(response) });
+               commit('REFRESH_STRUCTURE', { uid, structure: response });
          }
          catch (err) {
             dispatch('notifications/addNotification', { status: 'error', message: err.stack }, { root: true });