fix(core): update

ts/smartclickhouse.classes.smartclickhouse.ts

@@ -7,8 +7,6 @@ export interface IClickhouseConstructorOptions {
   password?: string;
 }
 
-
-
 export class SmartClickHouseDb {
   public options: IClickhouseConstructorOptions;
   public clickhouseClient: plugins.clickhouse.ClickHouseClient;
@@ -20,24 +18,25 @@ export class SmartClickHouseDb {
   /**
    * starts the connection to the Clickhouse db
    */
-  public async start() {
-    console.log(`Connecting to default database first.`)
+  public async start(dropOld = false) {
+    console.log(`Connecting to default database first.`);
     const defaultClient = new plugins.clickhouse.ClickHouseClient({
       ...this.options,
-      database: 'default'
+      database: 'default',
     });
     console.log(`Create database ${this.options.database}, if it does not exist...`);
+    if (dropOld) {
+      await defaultClient.queryPromise(`DROP DATABASE IF EXISTS ${this.options.database}`);
+    }
     await defaultClient.queryPromise(`CREATE DATABASE IF NOT EXISTS ${this.options.database}`);
 
-    console.log(`Ensured database. Now connecting to wanted database: ${this.options.database}`)
+    console.log(`Ensured database. Now connecting to wanted database: ${this.options.database}`);
     this.clickhouseClient = new plugins.clickhouse.ClickHouseClient({
       ...this.options,
-
     });
     console.log(`trying to ping database...`);
     const result = await this.clickhouseClient.ping();
     console.log(`Ping successfull?: ${result}`);
-    
   }
 
   /**
@@ -45,5 +44,6 @@ export class SmartClickHouseDb {
    */
   public async getTable(tableName: string) {
     const newTable = TimeDataTable.getTable(this, tableName);
+    return newTable;
   }
-}
+}