diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/mysql')
6 files changed, 56 insertions, 11 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 e8358271ab..083cd6340f 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_creation.rb @@ -25,6 +25,14 @@ module ActiveRecord 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 773bbcef4e..6d88c14d50 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb @@ -75,6 +75,11 @@ module ActiveRecord super end + + private + def aliased_types(name, fallback) + fallback + end end class Table < ActiveRecord::ConnectionAdapters::Table 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 ad4a069d73..3e0afd9761 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb @@ -30,7 +30,10 @@ module ActiveRecord end def schema_type(column) - if column.sql_type == "tinyblob" + case column.sql_type + when /\Atimestamp\b/ + :timestamp + when "tinyblob" :blob else super @@ -38,7 +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) diff --git a/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb new file mode 100644 index 0000000000..10c8bd179a --- /dev/null +++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_statements.rb @@ -0,0 +1,33 @@ +module ActiveRecord + module ConnectionAdapters + module MySQL + module SchemaStatements # :nodoc: + private + def data_source_sql(name = nil, type: nil) + scope = quoted_scope(name, type: type) + + sql = "SELECT table_name FROM information_schema.tables" + sql << " WHERE table_schema = #{scope[:schema]}" + sql << " AND table_name = #{scope[:name]}" if scope[:name] + sql << " AND table_type = #{scope[:type]}" if scope[:type] + sql + end + + def quoted_scope(name = nil, type: nil) + schema, name = extract_schema_qualified_name(name) + scope = {} + scope[:schema] = schema ? quote(schema) : "database()" + scope[:name] = quote(name) if name + scope[:type] = quote(type) if type + scope + end + + def extract_schema_qualified_name(string) + schema, name = string.to_s.scan(/[^`.\s]+|`[^`]*`/) + schema, name = nil, schema unless name + [schema, name] + end + end + end + end +end diff --git a/activerecord/lib/active_record/connection_adapters/mysql/type_metadata.rb b/activerecord/lib/active_record/connection_adapters/mysql/type_metadata.rb index 24dcf852e1..9ad6a6c0d0 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/type_metadata.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/type_metadata.rb @@ -2,6 +2,8 @@ module ActiveRecord module ConnectionAdapters module MySQL class TypeMetadata < DelegateClass(SqlTypeMetadata) # :nodoc: + undef to_yaml if method_defined?(:to_yaml) + attr_reader :extra def initialize(type_metadata, extra: "") |