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-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb7
-rw-r--r--activerecord/lib/active_record/migration.rb18
3 files changed, 18 insertions, 9 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
index 7cafbb7e12..46d7f84efd 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
@@ -2,7 +2,7 @@ module ActiveRecord
module ConnectionAdapters #:nodoc:
# Abstract representation of an index definition on a table. Instances of
# this type are typically created and returned by methods in database
- # adapters. e.g. ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter#indexes
+ # adapters. e.g. ActiveRecord::ConnectionAdapters::MySQL::SchemaStatements#indexes
class IndexDefinition # :nodoc:
attr_reader :table, :name, :unique, :columns, :lengths, :orders, :where, :type, :using, :comment
diff --git a/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb b/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb
index 3e0afd9761..e2ba0ba1a0 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb
@@ -55,13 +55,14 @@ module ActiveRecord
def extract_expression_for_virtual_column(column)
if mariadb?
create_table_info = create_table_info(column.table_name)
- if %r/#{quote_column_name(column.name)} #{Regexp.quote(column.sql_type)} AS \((?<expression>.+?)\) #{column.extra}/m =~ create_table_info
+ if %r/#{quote_column_name(column.name)} #{Regexp.quote(column.sql_type)}(?: COLLATE \w+)? AS \((?<expression>.+?)\) #{column.extra}/ =~ create_table_info
$~[:expression].inspect
end
else
+ scope = quoted_scope(column.table_name)
sql = "SELECT generation_expression FROM information_schema.columns" \
- " WHERE table_schema = #{quote(@config[:database])}" \
- " AND table_name = #{quote(column.table_name)}" \
+ " WHERE table_schema = #{scope[:schema]}" \
+ " AND table_name = #{scope[:name]}" \
" AND column_name = #{quote(column.name)}"
select_value(sql, "SCHEMA").inspect
end
diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb
index 4e1df1432c..51c82f4ced 100644
--- a/activerecord/lib/active_record/migration.rb
+++ b/activerecord/lib/active_record/migration.rb
@@ -1104,13 +1104,21 @@ module ActiveRecord
def move(direction, migrations_paths, steps)
migrator = new(direction, migrations(migrations_paths))
- start_index = migrator.migrations.index(migrator.current_migration)
- if start_index
- finish = migrator.migrations[start_index + steps]
- version = finish ? finish.version : 0
- send(direction, migrations_paths, version)
+ if current_version != 0 && !migrator.current_migration
+ raise UnknownMigrationVersionError.new(current_version)
end
+
+ start_index =
+ if current_version == 0
+ 0
+ else
+ migrator.migrations.index(migrator.current_migration)
+ end
+
+ finish = migrator.migrations[start_index + steps]
+ version = finish ? finish.version : 0
+ send(direction, migrations_paths, version)
end
end