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-rw-r--r--activerecord/lib/active_record/connection_adapters/mysql/quoting.rb12
-rw-r--r--activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb22
-rw-r--r--activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb18
-rw-r--r--activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb24
4 files changed, 28 insertions, 48 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/mysql/quoting.rb b/activerecord/lib/active_record/connection_adapters/mysql/quoting.rb
index 9d11ad28d4..d4f5906b33 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql/quoting.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql/quoting.rb
@@ -36,15 +36,9 @@ module ActiveRecord
end
end
- private
-
- def _quote(value)
- if value.is_a?(Type::Binary::Data)
- "x'#{value.hex}'"
- else
- super
- end
- end
+ def quoted_binary(value)
+ "x'#{value.hex}'"
+ end
end
end
end
diff --git a/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb
index 39c2acbca9..083cd6340f 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb
@@ -1,7 +1,7 @@
module ActiveRecord
module ConnectionAdapters
module MySQL
- class SchemaCreation < AbstractAdapter::SchemaCreation
+ class SchemaCreation < AbstractAdapter::SchemaCreation # :nodoc:
delegate :add_sql_comment!, :mariadb?, to: :@conn
private :add_sql_comment!, :mariadb?
@@ -11,11 +11,6 @@ module ActiveRecord
"DROP FOREIGN KEY #{name}"
end
- def visit_ColumnDefinition(o)
- o.sql_type = type_to_sql(o.type, o.limit, o.precision, o.scale, o.unsigned)
- super
- end
-
def visit_AddColumnDefinition(o)
add_column_position!(super, column_options(o.column))
end
@@ -29,14 +24,15 @@ module ActiveRecord
add_sql_comment!(super, options[:comment])
end
- def column_options(o)
- column_options = super
- column_options[:charset] = o.charset
- column_options[:stored] = o.stored
- column_options
- end
-
def add_column_options!(sql, options)
+ # By default, TIMESTAMP columns are NOT NULL, cannot contain NULL values,
+ # and assigning NULL assigns the current timestamp. To permit a TIMESTAMP
+ # column to contain NULL, explicitly declare it with the NULL attribute.
+ # See http://dev.mysql.com/doc/refman/5.7/en/timestamp-initialization.html
+ if /\Atimestamp\b/.match?(options[:column].sql_type) && !options[:primary_key]
+ sql << " NULL" unless options[:null] == false || options_include_default?(options)
+ end
+
if charset = options[:charset]
sql << " CHARACTER SET #{charset}"
end
diff --git a/activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb
index 76ebd0bf6c..6d88c14d50 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb
@@ -56,14 +56,10 @@ module ActiveRecord
end
end
- class ColumnDefinition < ActiveRecord::ConnectionAdapters::ColumnDefinition
- attr_accessor :charset, :unsigned, :stored
- end
-
class TableDefinition < ActiveRecord::ConnectionAdapters::TableDefinition
include ColumnMethods
- def new_column_definition(name, type, options) # :nodoc:
+ def new_column_definition(name, type, **options) # :nodoc:
case type
when :virtual
type = options[:type]
@@ -76,17 +72,13 @@ module ActiveRecord
type = $~[:type].to_sym
options[:unsigned] = true
end
- column = super
- column.unsigned = options[:unsigned]
- column.charset = options[:charset]
- column.stored = options[:stored]
- column
+
+ super
end
private
-
- def create_column_definition(name, type)
- MySQL::ColumnDefinition.new(name, type)
+ def aliased_types(name, fallback)
+ fallback
end
end
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 7a277b8cfd..3e0afd9761 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb
@@ -1,16 +1,7 @@
module ActiveRecord
module ConnectionAdapters
module MySQL
- module ColumnDumper
- def column_spec_for_primary_key(column)
- spec = super
- if [:integer, :bigint].include?(schema_type(column)) && !column.auto_increment?
- spec[:default] ||= schema_default(column) || "nil"
- end
- spec[:unsigned] = "true" if column.unsigned?
- spec
- end
-
+ module ColumnDumper # :nodoc:
def prepare_column_options(column)
spec = super
spec[:unsigned] = "true" if column.unsigned?
@@ -31,11 +22,18 @@ module ActiveRecord
private
def default_primary_key?(column)
- super && column.auto_increment?
+ super && column.auto_increment? && !column.unsigned?
+ end
+
+ def explicit_primary_key_default?(column)
+ column.type == :integer && !column.auto_increment?
end
def schema_type(column)
- if column.sql_type == "tinyblob"
+ case column.sql_type
+ when /\Atimestamp\b/
+ :timestamp
+ when "tinyblob"
:blob
else
super
@@ -43,7 +41,7 @@ module ActiveRecord
end
def schema_precision(column)
- super unless /time/.match?(column.sql_type) && column.precision == 0
+ super unless /\A(?:date)?time(?:stamp)?\b/.match?(column.sql_type) && column.precision == 0
end
def schema_collation(column)