From 09a47d4b1587febd0383f93c384b074490fe072a Mon Sep 17 00:00:00 2001
From: atbest <atbest09@gmail.com>
Date: Wed, 22 May 2019 06:52:49 -0400
Subject: [PATCH] Update database

---
 .../java/io/legado/app/data/dao/BookDao.kt    | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 app/src/main/java/io/legado/app/data/dao/BookDao.kt

diff --git a/app/src/main/java/io/legado/app/data/dao/BookDao.kt b/app/src/main/java/io/legado/app/data/dao/BookDao.kt
new file mode 100644
index 000000000..b6ad0ba40
--- /dev/null
+++ b/app/src/main/java/io/legado/app/data/dao/BookDao.kt
@@ -0,0 +1,19 @@
+package io.legado.app.data.dao
+
+import androidx.lifecycle.LiveData
+import androidx.paging.DataSource
+import androidx.room.Dao
+import androidx.room.Query
+import io.legado.app.data.entities.Book
+
+
+@Dao
+interface BookDao {
+
+    @Query("SELECT * FROM books WHERE `group` = :group")
+    fun observeByGroup(group: Int): DataSource.Factory<Int, Book>
+
+    @Query("SELECT url FROM books WHERE `group` = :group")
+    fun observeUrlsByGroup(group: Int): LiveData<List<String>>
+
+}
\ No newline at end of file