Fix config and copy over trilogy schema

We had a mysql2_specific_schema.rb file but not one for trilogy that was
causing tests to break. I also removed the prepared statements from
trilogy because it is not supported.

Author: eileencodes

activerecord/test/config.example.yml

@@ -113,11 +113,7 @@ connections:
       username: rails
       encoding: utf8mb4
       collation: utf8mb4_unicode_ci
-    <% if ENV['MYSQL_PREPARED_STATEMENTS'] %>
-      prepared_statements: true
-    <% else %>
       prepared_statements: false
-    <% end %>
     <% if ENV['MYSQL_HOST'] %>
       host: <%= ENV['MYSQL_HOST'] %>
     <% end %>
@@ -128,11 +124,7 @@ connections:
       username: rails
       encoding: utf8mb4
       collation: utf8mb4_general_ci
-    <% if ENV['MYSQL_PREPARED_STATEMENTS'] %>
-      prepared_statements: true
-    <% else %>
       prepared_statements: false
-    <% end %>
     <% if ENV['MYSQL_HOST'] %>
       host: <%= ENV['MYSQL_HOST'] %>
     <% end %>

activerecord/test/schema/trilogy_specific_schema.rb

@@ -0,0 +1,84 @@
+# frozen_string_literal: true
+
+ActiveRecord::Schema.define do
+  if connection.supports_datetime_with_precision?
+    create_table :datetime_defaults, force: true do |t|
+      t.datetime :modified_datetime, precision: nil, default: -> { "CURRENT_TIMESTAMP" }
+      t.datetime :precise_datetime, default: -> { "CURRENT_TIMESTAMP(6)" }
+      t.datetime :updated_datetime, default: -> { "CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6)" }
+    end
+
+    create_table :timestamp_defaults, force: true do |t|
+      t.timestamp :nullable_timestamp
+      t.timestamp :modified_timestamp, precision: nil, default: -> { "CURRENT_TIMESTAMP" }
+      t.timestamp :precise_timestamp, precision: 6, default: -> { "CURRENT_TIMESTAMP(6)" }
+      t.timestamp :updated_timestamp, precision: 6, default: -> { "CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6)" }
+    end
+  end
+
+  create_table :defaults, force: true do |t|
+    t.date :fixed_date, default: "2004-01-01"
+    t.datetime :fixed_time, default: "2004-01-01 00:00:00"
+    t.column :char1, "char(1)", default: "Y"
+    t.string :char2, limit: 50, default: "a varchar field"
+    if ActiveRecord::TestCase.supports_default_expression?
+      t.binary :uuid, limit: 36, default: -> { "(uuid())" }
+    end
+  end
+
+  create_table :binary_fields, force: true do |t|
+    t.binary :var_binary, limit: 255
+    t.binary :var_binary_large, limit: 4095
+
+    t.tinyblob   :tiny_blob
+    t.blob       :normal_blob
+    t.mediumblob :medium_blob
+    t.longblob   :long_blob
+    t.tinytext   :tiny_text
+    t.text       :normal_text
+    t.mediumtext :medium_text
+    t.longtext   :long_text
+
+    t.binary :tiny_blob_2, size: :tiny
+    t.binary :medium_blob_2, size: :medium
+    t.binary :long_blob_2, size: :long
+    t.text :tiny_text_2, size: :tiny
+    t.text :medium_text_2, size: :medium
+    t.text :long_text_2, size: :long
+
+    t.index :var_binary
+  end
+
+  create_table :key_tests, force: true, options: "CHARSET=utf8 ENGINE=MyISAM" do |t|
+    t.string :awesome
+    t.string :pizza
+    t.string :snacks
+    t.index :awesome, type: :fulltext, name: "index_key_tests_on_awesome"
+    t.index :pizza, using: :btree, name: "index_key_tests_on_pizza"
+    t.index :snacks, name: "index_key_tests_on_snack"
+  end
+
+  create_table :collation_tests, id: false, force: true do |t|
+    t.string :string_cs_column, limit: 1, collation: "utf8mb4_bin"
+    t.string :string_ci_column, limit: 1, collation: "utf8mb4_general_ci"
+    t.binary :binary_column,    limit: 1
+  end
+
+  execute "DROP PROCEDURE IF EXISTS ten"
+
+  execute <<~SQL
+    CREATE PROCEDURE ten() SQL SECURITY INVOKER
+    BEGIN
+      SELECT 10;
+    END
+  SQL
+
+  execute "DROP PROCEDURE IF EXISTS topics"
+
+  execute <<~SQL
+    CREATE PROCEDURE topics(IN num INT) SQL SECURITY INVOKER
+    BEGIN
+      SELECT * FROM topics LIMIT num;
+    END
+  SQL
+end