From 1cd150d2417ff750d75002e2fe4866cd1c651896 Mon Sep 17 00:00:00 2001
From: Ryuta Kamizono <kamipo@gmail.com>
Date: Sun, 10 Mar 2019 02:06:48 +0900
Subject: Fix `reconnect!` to work after `disconnect!`

---
 .../connection_adapters/sqlite3_adapter.rb             | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

(limited to 'activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb')

diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
index cb3d34a740..5e9b3afae4 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
@@ -95,8 +95,6 @@ module ActiveRecord
 
       def initialize(connection, logger, connection_options, config)
         super(connection, logger, config)
-
-        @active = true
         configure_connection
       end
 
@@ -144,14 +142,18 @@ module ActiveRecord
       alias supports_insert_conflict_target? supports_insert_on_conflict?
 
       def active?
-        @active
+        !@connection.closed?
+      end
+
+      def reconnect!
+        super
+        connect if @connection.closed?
       end
 
       # Disconnects from the database if already connected. Otherwise, this
       # method does nothing.
       def disconnect!
         super
-        @active = false
         @connection.close rescue nil
       end
 
@@ -611,6 +613,14 @@ module ActiveRecord
           StatementPool.new(self.class.type_cast_config_to_integer(@config[:statement_limit]))
         end
 
+        def connect
+          @connection = ::SQLite3::Database.new(
+            @config[:database].to_s,
+            @config.merge(results_as_hash: true)
+          )
+          configure_connection
+        end
+
         def configure_connection
           execute("PRAGMA foreign_keys = ON", "SCHEMA")
         end
-- 
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