From dce8fc9c184fb7fec64aaefa11a3be627a54093b Mon Sep 17 00:00:00 2001
From: endian11 <Dana_Lee1016@126.com>
Date: 星期四, 12 十二月 2019 15:54:19 +0800
Subject: [PATCH] 测试升级学员表（学员表增加一列）；增加im_lib（tcp连接）
---
app/src/main/java/safeluck/drive/evaluation/DB/WorkRoomDataBase.java | 12 +++++++++++-
1 files changed, 11 insertions(+), 1 deletions(-)
diff --git a/app/src/main/java/safeluck/drive/evaluation/DB/WorkRoomDataBase.java b/app/src/main/java/safeluck/drive/evaluation/DB/WorkRoomDataBase.java
index 97aff86..5c0fd1f 100644
--- a/app/src/main/java/safeluck/drive/evaluation/DB/WorkRoomDataBase.java
+++ b/app/src/main/java/safeluck/drive/evaluation/DB/WorkRoomDataBase.java
@@ -7,6 +7,7 @@
import androidx.room.Database;
import androidx.room.Room;
import androidx.room.RoomDatabase;
+import androidx.room.migration.Migration;
import androidx.sqlite.db.SupportSQLiteDatabase;
import androidx.work.OneTimeWorkRequest;
import androidx.work.WorkManager;
@@ -31,7 +32,7 @@
* 閭锛�632393724@qq.com
* All Rights Saved! Chongqing AnYun Tech co. LTD
*/
-@Database(entities = {Student.class, CriteriaForI.class, FailedProj.class, CriteriaForII.class},version = 1,exportSchema = false)
+@Database(entities = {Student.class, CriteriaForI.class, FailedProj.class, CriteriaForII.class},version = 2,exportSchema = false)
public abstract class WorkRoomDataBase extends RoomDatabase {
private static final String TAG = "WorkRoomDataBase";
public abstract StudentDao getstudentDao();
@@ -46,6 +47,14 @@
private static final int NUMBER_OF_THREADS = 4;
public static final ExecutorService dataBaseWriteExecutor = Executors.newFixedThreadPool(NUMBER_OF_THREADS);
+ static Migration migration = new Migration(1,2) {
+ @Override
+ public void migrate(@NonNull SupportSQLiteDatabase database) {
+ database.execSQL("alter table student_table ADD COLUMN begin_time INTEGER NOT NULL DEFAULT 0");
+ }
+ };
+private static final Migration[] ALL_MIGRATIONS = new Migration[]{migration};
+
public static WorkRoomDataBase getWorkRoomDataBase(final Context mContext){
Log.i(TAG, "getWorkRoomDataBase");
@@ -54,6 +63,7 @@
if (workRoomDataBase == null){
Log.i(TAG, "getWorkRoomDataBase==null ");
workRoomDataBase = Room.databaseBuilder(mContext.getApplicationContext(),WorkRoomDataBase.class,"work_database")
+ .addMigrations(ALL_MIGRATIONS)
.addCallback(new Callback() {
@Override
public void onCreate(@NonNull SupportSQLiteDatabase db) {
--
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