diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb | 77 |
1 files changed, 54 insertions, 23 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb index 003ba6eff5..20fcac8a22 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -9,7 +9,6 @@ require "active_record/connection_adapters/mysql/schema_dumper" require "active_record/connection_adapters/mysql/type_metadata" require "active_support/core_ext/string/strip" -require "active_support/core_ext/regexp" module ActiveRecord module ConnectionAdapters @@ -40,7 +39,7 @@ module ActiveRecord self.emulate_booleans = true NATIVE_DATABASE_TYPES = { - primary_key: "int auto_increment PRIMARY KEY", + primary_key: "bigint auto_increment PRIMARY KEY", string: { name: "varchar", limit: 255 }, text: { name: "text", limit: 65535 }, integer: { name: "int", limit: 4 }, @@ -216,7 +215,11 @@ module ActiveRecord # Executes the SQL statement in the context of this connection. def execute(sql, name = nil) - log(sql, name) { @connection.query(sql) } + log(sql, name) do + ActiveSupport::Dependencies.interlock.permit_concurrent_loads do + @connection.query(sql) + end + end end # Mysql2Adapter doesn't have to free a result after using it, but we use this method @@ -388,25 +391,21 @@ module ActiveRecord end indexes.last.columns << row[:Column_name] - indexes.last.lengths.merge!(row[:Column_name] => row[:Sub_part]) if row[:Sub_part] + indexes.last.lengths.merge!(row[:Column_name] => row[:Sub_part].to_i) if row[:Sub_part] end end indexes end - # Returns an array of +Column+ objects for the table specified by +table_name+. - def columns(table_name) # :nodoc: - table_name = table_name.to_s - column_definitions(table_name).map do |field| - type_metadata = fetch_type_metadata(field[:Type], field[:Extra]) - if type_metadata.type == :datetime && field[:Default] == "CURRENT_TIMESTAMP" - default, default_function = nil, field[:Default] - else - default, default_function = field[:Default], nil - end - new_column(field[:Field], default, type_metadata, field[:Null] == "YES", table_name, default_function, field[:Collation], comment: field[:Comment].presence) + def new_column_from_field(table_name, field) # :nodoc: + type_metadata = fetch_type_metadata(field[:Type], field[:Extra]) + if type_metadata.type == :datetime && field[:Default] == "CURRENT_TIMESTAMP" + default, default_function = nil, field[:Default] + else + default, default_function = field[:Default], nil end + new_column(field[:Field], default, type_metadata, field[:Null] == "YES", table_name, default_function, field[:Collation], comment: field[:Comment].presence) end def table_comment(table_name) # :nodoc: @@ -650,9 +649,9 @@ module ActiveRecord !native_database_types[type].nil? end - protected + private - def initialize_type_map(m) # :nodoc: + def initialize_type_map(m) super register_class_with_limit m, %r(char)i, MysqlString @@ -692,9 +691,9 @@ module ActiveRecord end end - def register_integer_type(mapping, key, options) # :nodoc: + def register_integer_type(mapping, key, options) mapping.register_type(key) do |sql_type| - if /\bunsigned\z/ === sql_type + if /\bunsigned\b/.match?(sql_type) Type::UnsignedInteger.new(options) else Type::Integer.new(options) @@ -703,7 +702,7 @@ module ActiveRecord end def extract_precision(sql_type) - if /time/ === sql_type + if /time/.match?(sql_type) super || 0 else super @@ -718,6 +717,7 @@ module ActiveRecord if length = options[:length] case length when Hash + length = length.symbolize_keys quoted_columns.each { |name, column| column << "(#{length[name]})" if length[name].present? } when Integer quoted_columns.each { |name, column| column << "(#{length})" } @@ -734,9 +734,14 @@ module ActiveRecord # See https://dev.mysql.com/doc/refman/5.7/en/error-messages-server.html ER_DUP_ENTRY = 1062 + ER_NOT_NULL_VIOLATION = 1048 + ER_DO_NOT_HAVE_DEFAULT = 1364 ER_NO_REFERENCED_ROW_2 = 1452 ER_DATA_TOO_LONG = 1406 + ER_OUT_OF_RANGE = 1264 ER_LOCK_DEADLOCK = 1213 + ER_CANNOT_ADD_FOREIGN = 1215 + ER_CANNOT_CREATE_TABLE = 1005 def translate_exception(exception, message) case error_number(exception) @@ -744,8 +749,20 @@ module ActiveRecord RecordNotUnique.new(message) when ER_NO_REFERENCED_ROW_2 InvalidForeignKey.new(message) + when ER_CANNOT_ADD_FOREIGN + mismatched_foreign_key(message) + when ER_CANNOT_CREATE_TABLE + if message.include?("errno: 150") + mismatched_foreign_key(message) + else + super + end when ER_DATA_TOO_LONG ValueTooLong.new(message) + when ER_OUT_OF_RANGE + RangeError.new(message) + when ER_NOT_NULL_VIOLATION, ER_DO_NOT_HAVE_DEFAULT + NotNullViolation.new(message) when ER_LOCK_DEADLOCK Deadlocked.new(message) else @@ -770,6 +787,10 @@ module ActiveRecord options[:null] = column.null end + unless options.key?(:comment) + options[:comment] = column.comment + end + td = create_table_definition(table_name) cd = td.new_column_definition(column.name, type, options) schema_creation.accept(ChangeColumnDefinition.new(cd, column.name)) @@ -816,8 +837,6 @@ module ActiveRecord [remove_column_sql(table_name, :updated_at), remove_column_sql(table_name, :created_at)] end - private - # MySQL is too stupid to create a temporary table for use subquery, so we have # to give it some prompting in the form of a subsubquery. Ugh! def subquery_for(key, select) @@ -887,7 +906,7 @@ module ActiveRecord end.compact.join(", ") # ...and send them all in one query - @connection.query "SET #{encoding} #{sql_mode_assignment} #{variable_assignments}" + execute "SET #{encoding} #{sql_mode_assignment} #{variable_assignments}" end def column_definitions(table_name) # :nodoc: @@ -911,6 +930,18 @@ module ActiveRecord MySQL::TableDefinition.new(*args) end + def mismatched_foreign_key(message) + parts = message.scan(/`(\w+)`[ $)]/).flatten + MismatchedForeignKey.new( + self, + message: message, + table: parts[0], + foreign_key: parts[1], + target_table: parts[2], + primary_key: parts[3], + ) + end + def extract_schema_qualified_name(string) # :nodoc: schema, name = string.to_s.scan(/[^`.\s]+|`[^`]*`/) schema, name = @config[:database], schema unless name |