1.0.0

Author: Rany Keddo

CHANGELOG.md

@@ -1,3 +1,8 @@
+# 1.0.0 (Febuary 09, 2012)
+
+* added change_column
+* final 1.0 release
+
 # 1.0.0.rc8 (Febuary 09, 2012)
 
 * removed spec binaries from gem bins

lib/lhm/migrator.rb

@@ -55,6 +55,21 @@ def add_column(name, definition)
       ddl("alter table `%s` add column `%s` %s" % [@name, name, definition])
     end
 
+    # Change an existing column to a new definition
+    #
+    # @example
+    #
+    #   Lhm.change_table(:users) do |m|
+    #     m.change_column(:comment, "VARCHAR(12) DEFAULT '0' NOT NULL")
+    #   end
+    #
+    # @param [String] name Name of the column to change
+    # @param [String] definition Valid SQL column definition
+    def change_column(name, definition)
+      remove_column(name)
+      add_column(name, definition)
+    end
+
     # Remove a column from a table
     #
     # @example

lib/lhm/version.rb

@@ -2,5 +2,5 @@
 # Schmidt
 
 module Lhm
-  VERSION = "1.0.0.rc8"
+  VERSION = "1.0.0"
 end

spec/integration/lhm_spec.rb

@@ -103,6 +103,19 @@
       end
     end
 
+    it "should change a column" do
+      Lhm.change_table(:users) do |t|
+        t.change_column(:comment, "varchar(20) DEFAULT 'none' NOT NULL")
+      end
+
+      slave do
+        table_read(:users).columns["comment"].must_equal({
+          :type => "varchar(20)",
+          :metadata => "NOT NULL DEFAULT 'none'"
+        })
+      end
+    end
+
     describe "parallel" do
       it "should perserve inserts during migration" do
         50.times { |n| execute("insert into users set reference = '#{ n }'") }

spec/unit/migrator_spec.rb

@@ -64,6 +64,15 @@
         "alter table `lhmn_alt` drop `logins`"
       ])
     end
+
+    it "should change a column" do
+      @creator.change_column("logins", "INT(255)")
+
+      @creator.statements.must_equal([
+        "alter table `lhmn_alt` drop `logins`",
+        "alter table `lhmn_alt` add column `logins` INT(255)"
+      ])
+    end
   end
 
   describe "direct changes" do