[PATCH 1/4] mlib: compatibility with Sequel 5.x

[Eric Wong]

Apparently some degree of thread-safety is being enforced;
not sure I agree, but oh well...
---
 lib/dtas/mlib.rb  | 15 ++++++---------
 test/test_mlib.rb |  4 ++--
 2 files changed, 8 insertions(+), 11 deletions(-)

diff --git a/lib/dtas/mlib.rb b/lib/dtas/mlib.rb
index 24393d5..e217b59 100644
--- a/lib/dtas/mlib.rb
+++ b/lib/dtas/mlib.rb
@@ -37,16 +37,13 @@ class DTAS::Mlib # :nodoc:
 
   def initialize(db)
     if String === db
+      require 'sequel'
+      opts = { single_threaded: true }
       db = "sqlite://#{db}" unless db.include?('://')
-      require 'sequel/no_core_ext'
-      db = Sequel.connect(db, single_threaded: true)
-    end
-    if db.class.to_s.downcase.include?('sqlite')
-      db.transaction_mode = :immediate
-      db.synchronous = :off
-      db.case_sensitive_like = false
-    else
-      warn 'non-SQLite databases may not work in the future'
+      opts[:transaction_mode] = :immediate
+      opts[:synchronous] = :off
+      opts[:case_sensitive_like] = false # only for 'search'
+      db = Sequel.connect(db, opts)
     end
     @db = db
     @pwd = nil
diff --git a/test/test_mlib.rb b/test/test_mlib.rb
index a5c446f..0241314 100644
--- a/test/test_mlib.rb
+++ b/test/test_mlib.rb
@@ -4,7 +4,7 @@
 require_relative 'helper'
 begin
   require 'dtas/mlib'
-  require 'sequel/no_core_ext'
+  require 'sequel'
   require 'sqlite3'
 rescue LoadError => err
   warn "skipping mlib test: #{err.message}"
@@ -13,7 +13,7 @@
 
 class TestMlib < Testcase
   def setup
-    @db = Sequel.sqlite(':memory:')
+    @db = Sequel.sqlite(':memory:', case_sensitive_like: false)
   end
 
   def test_migrate
-- 
EW