From 94d3b218a30bd52567fe565f9c5bde9edfe2f2bc Mon Sep 17 00:00:00 2001
From: Umed Khudoiberdiev <zarrhost@gmail.com>
Date: Fri, 2 Dec 2016 11:23:14 +0500
Subject: [PATCH] fixed issue with onDelete not working in sqllite

---
 src/driver/sqlite/SqliteDriver.ts      | 4 ++++
 src/driver/sqlite/SqliteQueryRunner.ts | 1 +
 2 files changed, 5 insertions(+)

diff --git a/src/driver/sqlite/SqliteDriver.ts b/src/driver/sqlite/SqliteDriver.ts
index 8e9664827..783648726 100644
--- a/src/driver/sqlite/SqliteDriver.ts
+++ b/src/driver/sqlite/SqliteDriver.ts
@@ -83,6 +83,10 @@ export class SqliteDriver implements Driver {
                     connection: connection,
                     isTransactionActive: false
                 };
+
+                // we need to enable foreign keys in sqlite to make sure all foreign key related features
+                // working properly. this also makes onDelete to work with sqlite.
+                connection.run(`PRAGMA foreign_keys = ON`);
                 ok();
             });
         });
diff --git a/src/driver/sqlite/SqliteQueryRunner.ts b/src/driver/sqlite/SqliteQueryRunner.ts
index b2ed9a280..800b1a515 100644
--- a/src/driver/sqlite/SqliteQueryRunner.ts
+++ b/src/driver/sqlite/SqliteQueryRunner.ts
@@ -562,6 +562,7 @@ export class SqliteQueryRunner implements QueryRunner {
             const columnNames = foreignKey.columnNames.map(name => `"${name}"`).join(", ");
             const referencedColumnNames = foreignKey.referencedColumnNames.map(name => `"${name}"`).join(", ");
             sql1 += `, FOREIGN KEY(${columnNames}) REFERENCES "${foreignKey.referencedTableName}"(${referencedColumnNames})`;
+            if (foreignKey.onDelete) sql1 += " ON DELETE " + foreignKey.onDelete;
         });
 
         const primaryKeyColumns = tableSchema.columns.filter(column => column.isPrimary && !column.isGenerated);