aboutsummaryrefslogtreecommitdiffstats
path: root/activerecord/test/cases/adapters/mysql2
diff options
context:
space:
mode:
Diffstat (limited to 'activerecord/test/cases/adapters/mysql2')
-rw-r--r--activerecord/test/cases/adapters/mysql2/annotate_test.rb37
-rw-r--r--activerecord/test/cases/adapters/mysql2/connection_test.rb11
-rw-r--r--activerecord/test/cases/adapters/mysql2/mysql2_adapter_test.rb93
-rw-r--r--activerecord/test/cases/adapters/mysql2/optimizer_hints_test.rb40
4 files changed, 166 insertions, 15 deletions
diff --git a/activerecord/test/cases/adapters/mysql2/annotate_test.rb b/activerecord/test/cases/adapters/mysql2/annotate_test.rb
new file mode 100644
index 0000000000..b512540073
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/annotate_test.rb
@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "models/post"
+
+class Mysql2AnnotateTest < ActiveRecord::Mysql2TestCase
+ fixtures :posts
+
+ def test_annotate_wraps_content_in_an_inline_comment
+ assert_sql(%r{\ASELECT `posts`\.`id` FROM `posts` /\* foo \*/}) do
+ posts = Post.select(:id).annotate("foo")
+ assert posts.first
+ end
+ end
+
+ def test_annotate_is_sanitized
+ assert_sql(%r{\ASELECT `posts`\.`id` FROM `posts` /\* foo \*/}) do
+ posts = Post.select(:id).annotate("*/foo/*")
+ assert posts.first
+ end
+
+ assert_sql(%r{\ASELECT `posts`\.`id` FROM `posts` /\* foo \*/}) do
+ posts = Post.select(:id).annotate("**//foo//**")
+ assert posts.first
+ end
+
+ assert_sql(%r{\ASELECT `posts`\.`id` FROM `posts` /\* foo \*/ /\* bar \*/}) do
+ posts = Post.select(:id).annotate("*/foo/*").annotate("*/bar")
+ assert posts.first
+ end
+
+ assert_sql(%r{\ASELECT `posts`\.`id` FROM `posts` /\* \+ MAX_EXECUTION_TIME\(1\) \*/}) do
+ posts = Post.select(:id).annotate("+ MAX_EXECUTION_TIME(1)")
+ assert posts.first
+ end
+ end
+end
diff --git a/activerecord/test/cases/adapters/mysql2/connection_test.rb b/activerecord/test/cases/adapters/mysql2/connection_test.rb
index 3103589186..9c6566106a 100644
--- a/activerecord/test/cases/adapters/mysql2/connection_test.rb
+++ b/activerecord/test/cases/adapters/mysql2/connection_test.rb
@@ -28,17 +28,6 @@ class Mysql2ConnectionTest < ActiveRecord::Mysql2TestCase
end
end
- def test_truncate
- rows = ActiveRecord::Base.connection.exec_query("select count(*) from comments")
- count = rows.first.values.first
- assert_operator count, :>, 0
-
- ActiveRecord::Base.connection.truncate("comments")
- rows = ActiveRecord::Base.connection.exec_query("select count(*) from comments")
- count = rows.first.values.first
- assert_equal 0, count
- end
-
def test_no_automatic_reconnection_after_timeout
assert_predicate @connection, :active?
@connection.update("set @@wait_timeout=1")
diff --git a/activerecord/test/cases/adapters/mysql2/mysql2_adapter_test.rb b/activerecord/test/cases/adapters/mysql2/mysql2_adapter_test.rb
index 7bc86476b6..6ade2eec24 100644
--- a/activerecord/test/cases/adapters/mysql2/mysql2_adapter_test.rb
+++ b/activerecord/test/cases/adapters/mysql2/mysql2_adapter_test.rb
@@ -56,7 +56,7 @@ class Mysql2AdapterTest < ActiveRecord::Mysql2TestCase
@conn.columns_for_distinct("posts.id", [order])
end
- def test_errors_for_bigint_fks_on_integer_pk_table
+ def test_errors_for_bigint_fks_on_integer_pk_table_in_alter_table
# table old_cars has primary key of integer
error = assert_raises(ActiveRecord::MismatchedForeignKey) do
@@ -64,9 +64,86 @@ class Mysql2AdapterTest < ActiveRecord::Mysql2TestCase
@conn.add_foreign_key :engines, :old_cars
end
- assert_match "Column `old_car_id` on table `engines` has a type of `bigint(20)`", error.message
+ assert_includes error.message, <<~MSG.squish
+ Column `old_car_id` on table `engines` does not match column `id` on `old_cars`,
+ which has type `int(11)`. To resolve this issue, change the type of the `old_car_id`
+ column on `engines` to be :integer. (For example `t.integer :old_car_id`).
+ MSG
assert_not_nil error.cause
- @conn.exec_query("ALTER TABLE engines DROP COLUMN old_car_id")
+ ensure
+ @conn.execute("ALTER TABLE engines DROP COLUMN old_car_id") rescue nil
+ end
+
+ def test_errors_for_bigint_fks_on_integer_pk_table_in_create_table
+ # table old_cars has primary key of integer
+
+ error = assert_raises(ActiveRecord::MismatchedForeignKey) do
+ @conn.execute(<<~SQL)
+ CREATE TABLE activerecord_unittest.foos (
+ id bigint NOT NULL AUTO_INCREMENT PRIMARY KEY,
+ old_car_id bigint,
+ INDEX index_foos_on_old_car_id (old_car_id),
+ CONSTRAINT fk_rails_ff771f3c96 FOREIGN KEY (old_car_id) REFERENCES old_cars (id)
+ )
+ SQL
+ end
+
+ assert_includes error.message, <<~MSG.squish
+ Column `old_car_id` on table `foos` does not match column `id` on `old_cars`,
+ which has type `int(11)`. To resolve this issue, change the type of the `old_car_id`
+ column on `foos` to be :integer. (For example `t.integer :old_car_id`).
+ MSG
+ assert_not_nil error.cause
+ ensure
+ @conn.drop_table :foos, if_exists: true
+ end
+
+ def test_errors_for_integer_fks_on_bigint_pk_table_in_create_table
+ # table old_cars has primary key of bigint
+
+ error = assert_raises(ActiveRecord::MismatchedForeignKey) do
+ @conn.execute(<<~SQL)
+ CREATE TABLE activerecord_unittest.foos (
+ id bigint NOT NULL AUTO_INCREMENT PRIMARY KEY,
+ car_id int,
+ INDEX index_foos_on_car_id (car_id),
+ CONSTRAINT fk_rails_ff771f3c96 FOREIGN KEY (car_id) REFERENCES cars (id)
+ )
+ SQL
+ end
+
+ assert_includes error.message, <<~MSG.squish
+ Column `car_id` on table `foos` does not match column `id` on `cars`,
+ which has type `bigint(20)`. To resolve this issue, change the type of the `car_id`
+ column on `foos` to be :bigint. (For example `t.bigint :car_id`).
+ MSG
+ assert_not_nil error.cause
+ ensure
+ @conn.drop_table :foos, if_exists: true
+ end
+
+ def test_errors_for_bigint_fks_on_string_pk_table_in_create_table
+ # table old_cars has primary key of string
+
+ error = assert_raises(ActiveRecord::MismatchedForeignKey) do
+ @conn.execute(<<~SQL)
+ CREATE TABLE activerecord_unittest.foos (
+ id bigint NOT NULL AUTO_INCREMENT PRIMARY KEY,
+ subscriber_id bigint,
+ INDEX index_foos_on_subscriber_id (subscriber_id),
+ CONSTRAINT fk_rails_ff771f3c96 FOREIGN KEY (subscriber_id) REFERENCES subscribers (nick)
+ )
+ SQL
+ end
+
+ assert_includes error.message, <<~MSG.squish
+ Column `subscriber_id` on table `foos` does not match column `nick` on `subscribers`,
+ which has type `varchar(255)`. To resolve this issue, change the type of the `subscriber_id`
+ column on `foos` to be :string. (For example `t.string :subscriber_id`).
+ MSG
+ assert_not_nil error.cause
+ ensure
+ @conn.drop_table :foos, if_exists: true
end
def test_errors_when_an_insert_query_is_called_while_preventing_writes
@@ -123,7 +200,15 @@ class Mysql2AdapterTest < ActiveRecord::Mysql2TestCase
def test_doesnt_error_when_a_set_query_is_called_while_preventing_writes
@conn.while_preventing_writes do
- assert_nil @conn.execute("SET NAMES utf8")
+ assert_nil @conn.execute("SET NAMES utf8mb4 COLLATE utf8mb4_unicode_ci")
+ end
+ end
+
+ def test_doesnt_error_when_a_read_query_with_leading_chars_is_called_while_preventing_writes
+ @conn.execute("INSERT INTO `engines` (`car_id`) VALUES ('138853948594')")
+
+ @conn.while_preventing_writes do
+ assert_equal 1, @conn.execute("(\n( SELECT `engines`.* FROM `engines` WHERE `engines`.`car_id` = '138853948594' ) )").entries.count
end
end
diff --git a/activerecord/test/cases/adapters/mysql2/optimizer_hints_test.rb b/activerecord/test/cases/adapters/mysql2/optimizer_hints_test.rb
new file mode 100644
index 0000000000..b9794c5710
--- /dev/null
+++ b/activerecord/test/cases/adapters/mysql2/optimizer_hints_test.rb
@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "models/post"
+
+if supports_optimizer_hints?
+ class Mysql2OptimzerHintsTest < ActiveRecord::Mysql2TestCase
+ fixtures :posts
+
+ def test_optimizer_hints
+ assert_sql(%r{\ASELECT /\*\+ NO_RANGE_OPTIMIZATION\(posts index_posts_on_author_id\) \*/}) do
+ posts = Post.optimizer_hints("NO_RANGE_OPTIMIZATION(posts index_posts_on_author_id)")
+ posts = posts.select(:id).where(author_id: [0, 1])
+ assert_includes posts.explain, "| index | index_posts_on_author_id | index_posts_on_author_id |"
+ end
+ end
+
+ def test_optimizer_hints_is_sanitized
+ assert_sql(%r{\ASELECT /\*\+ NO_RANGE_OPTIMIZATION\(posts index_posts_on_author_id\) \*/}) do
+ posts = Post.optimizer_hints("/*+ NO_RANGE_OPTIMIZATION(posts index_posts_on_author_id) */")
+ posts = posts.select(:id).where(author_id: [0, 1])
+ assert_includes posts.explain, "| index | index_posts_on_author_id | index_posts_on_author_id |"
+ end
+
+ assert_sql(%r{\ASELECT /\*\+ `posts`\.\*, \*/}) do
+ posts = Post.optimizer_hints("**// `posts`.*, //**")
+ posts = posts.select(:id).where(author_id: [0, 1])
+ assert_equal({ "id" => 1 }, posts.first.as_json)
+ end
+ end
+
+ def test_optimizer_hints_with_unscope
+ assert_sql(%r{\ASELECT `posts`\.`id`}) do
+ posts = Post.optimizer_hints("/*+ NO_RANGE_OPTIMIZATION(posts index_posts_on_author_id) */")
+ posts = posts.select(:id).where(author_id: [0, 1])
+ posts.unscope(:optimizer_hints).load
+ end
+ end
+ end
+end