Merge pull request #20041 from akshay-vishnoi/sqlite_collation

SQLite3: Add collation support for string and text columns

1 files changed, 53 insertions, 0 deletions

diff --git a/activerecord/test/cases/adapters/sqlite3/collation_test.rb b/activerecord/test/cases/adapters/sqlite3/collation_test.rb
new file mode 100644
index 0000000000..39e4620bc9
--- /dev/null
+++ b/activerecord/test/cases/adapters/sqlite3/collation_test.rb
@@ -0,0 +1,53 @@
+require "cases/helper"
+require 'support/schema_dumping_helper'
+
+class SQLite3CollationTest < ActiveRecord::TestCase
+  include SchemaDumpingHelper
+
+  def setup
+    @connection = ActiveRecord::Base.connection
+    @connection.create_table :collation_table_sqlite3, force: true do |t|
+      t.string :string_nocase, collation: 'NOCASE'
+      t.text :text_rtrim, collation: 'RTRIM'
+    end
+  end
+
+  def teardown
+    @connection.drop_table :collation_table_sqlite3, if_exists: true
+  end
+
+  test "string column with collation" do
+    column = @connection.columns(:collation_table_sqlite3).find { |c| c.name == 'string_nocase' }
+    assert_equal :string, column.type
+    assert_equal 'NOCASE', column.collation
+  end
+
+  test "text column with collation" do
+    column = @connection.columns(:collation_table_sqlite3).find { |c| c.name == 'text_rtrim' }
+    assert_equal :text, column.type
+    assert_equal 'RTRIM', column.collation
+  end
+
+  test "add column with collation" do
+    @connection.add_column :collation_table_sqlite3, :title, :string, collation: 'RTRIM'
+
+    column = @connection.columns(:collation_table_sqlite3).find { |c| c.name == 'title' }
+    assert_equal :string, column.type
+    assert_equal 'RTRIM', column.collation
+  end
+
+  test "change column with collation" do
+    @connection.add_column :collation_table_sqlite3, :description, :string
+    @connection.change_column :collation_table_sqlite3, :description, :text, collation: 'RTRIM'
+
+    column = @connection.columns(:collation_table_sqlite3).find { |c| c.name == 'description' }
+    assert_equal :text, column.type
+    assert_equal 'RTRIM', column.collation
+  end
+
+  test "schema dump includes collation" do
+    output = dump_table_schema("collation_table_sqlite3")
+    assert_match %r{t.string\s+"string_nocase",\s+collation: "NOCASE"$}, output
+    assert_match %r{t.text\s+"text_rtrim",\s+collation: "RTRIM"$}, output
+  end
+end