perf: approximate table total updated on table refresh

src/main/libs/clients/MySQLClient.js

@@ -424,6 +424,19 @@ export class MySQLClient extends AntaresCore {
       });
    }
 
+   /**
+    * @param {Object} params
+    * @param {String} params.schema
+    * @param {String} params.table
+    * @returns {Object} table row count
+    * @memberof MySQLClient
+    */
+   async getTableApproximateCount ({ schema, table }) {
+      const { rows } = await this.raw(`SELECT table_rows "count" FROM information_schema.tables WHERE table_name = "${table}" AND table_schema = "${schema}"`);
+
+      return rows.length ? rows[0].count : 0;
+   }
+
    /**
     * @param {Object} params
     * @param {String} params.schema