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| author | crupest <crupest@outlook.com> | 2020-08-11 01:16:56 +0800 |
|---|---|---|
| committer | crupest <crupest@outlook.com> | 2020-08-11 01:16:56 +0800 |
| commit | e02e1e120693d466679cae2b602085f57b60971f (patch) | |
| tree | 4ef46f3861528b8b5287cc4a6912fb402dee57cd /Timeline/Migrations/20200810170533_MakePostAuthorOptional.cs | |
| parent | 06e79c99bbc810f16058b35f1c88c23148bf8e57 (diff) | |
| download | timeline-e02e1e120693d466679cae2b602085f57b60971f.tar.gz timeline-e02e1e120693d466679cae2b602085f57b60971f.tar.bz2 timeline-e02e1e120693d466679cae2b602085f57b60971f.zip | |
Make author column of post nullable.
Diffstat (limited to 'Timeline/Migrations/20200810170533_MakePostAuthorOptional.cs')
| -rw-r--r-- | Timeline/Migrations/20200810170533_MakePostAuthorOptional.cs | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/Timeline/Migrations/20200810170533_MakePostAuthorOptional.cs b/Timeline/Migrations/20200810170533_MakePostAuthorOptional.cs new file mode 100644 index 00000000..b0f0bca7 --- /dev/null +++ b/Timeline/Migrations/20200810170533_MakePostAuthorOptional.cs @@ -0,0 +1,78 @@ +using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace Timeline.Migrations
+{
+ public partial class MakePostAuthorOptional : Migration
+ {
+ protected override void Up(MigrationBuilder migrationBuilder)
+ {
+ migrationBuilder.Sql(@"
+PRAGMA foreign_keys = 0;
+
+BEGIN TRANSACTION;
+
+CREATE TABLE new_timeline_posts (
+ id INTEGER NOT NULL
+ CONSTRAINT PK_timeline_posts PRIMARY KEY AUTOINCREMENT,
+ timeline INTEGER NOT NULL,
+ author INTEGER,
+ content TEXT,
+ time TEXT NOT NULL,
+ last_updated TEXT NOT NULL,
+ local_id INTEGER NOT NULL
+ DEFAULT 0,
+ content_type TEXT NOT NULL
+ DEFAULT '',
+ extra_content TEXT,
+ CONSTRAINT FK_timeline_posts_users_author FOREIGN KEY (
+ author
+ )
+ REFERENCES users (id),
+ CONSTRAINT FK_timeline_posts_timelines_timeline FOREIGN KEY (
+ timeline
+ )
+ REFERENCES timelines (id) ON DELETE CASCADE
+);
+
+INSERT INTO new_timeline_posts SELECT * FROM timeline_posts;
+
+DROP TABLE timeline_posts;
+
+ALTER TABLE new_timeline_posts RENAME TO timeline_posts;
+
+CREATE INDEX IX_timeline_posts_author ON timeline_posts (author);
+
+CREATE INDEX IX_timeline_posts_timeline ON timeline_posts(timeline);
+
+PRAGMA foreign_key_check;
+
+COMMIT TRANSACTION;
+
+PRAGMA foreign_keys = 1;
+ ", true);
+ }
+
+ protected override void Down(MigrationBuilder migrationBuilder)
+ {
+ migrationBuilder.DropForeignKey(
+ name: "FK_timeline_posts_users_author",
+ table: "timeline_posts");
+
+ migrationBuilder.AlterColumn<long>(
+ name: "author",
+ table: "timeline_posts",
+ type: "INTEGER",
+ nullable: false,
+ oldClrType: typeof(long),
+ oldNullable: true);
+
+ migrationBuilder.AddForeignKey(
+ name: "FK_timeline_posts_users_author",
+ table: "timeline_posts",
+ column: "author",
+ principalTable: "users",
+ principalColumn: "id",
+ onDelete: ReferentialAction.Cascade);
+ }
+ }
+}
|