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-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb62
1 files changed, 34 insertions, 28 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 8a9c497918..ca651ef390 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -1,15 +1,15 @@
# frozen_string_literal: true
-require_relative "abstract_adapter"
-require_relative "statement_pool"
-require_relative "mysql/column"
-require_relative "mysql/explain_pretty_printer"
-require_relative "mysql/quoting"
-require_relative "mysql/schema_creation"
-require_relative "mysql/schema_definitions"
-require_relative "mysql/schema_dumper"
-require_relative "mysql/schema_statements"
-require_relative "mysql/type_metadata"
+require "active_record/connection_adapters/abstract_adapter"
+require "active_record/connection_adapters/statement_pool"
+require "active_record/connection_adapters/mysql/column"
+require "active_record/connection_adapters/mysql/explain_pretty_printer"
+require "active_record/connection_adapters/mysql/quoting"
+require "active_record/connection_adapters/mysql/schema_creation"
+require "active_record/connection_adapters/mysql/schema_definitions"
+require "active_record/connection_adapters/mysql/schema_dumper"
+require "active_record/connection_adapters/mysql/schema_statements"
+require "active_record/connection_adapters/mysql/type_metadata"
require "active_support/core_ext/string/strip"
@@ -17,13 +17,8 @@ module ActiveRecord
module ConnectionAdapters
class AbstractMysqlAdapter < AbstractAdapter
include MySQL::Quoting
- include MySQL::ColumnDumper
include MySQL::SchemaStatements
- def update_table_definition(table_name, base) # :nodoc:
- MySQL::Table.new(table_name, base)
- end
-
##
# :singleton-method:
# By default, the Mysql2Adapter will consider all columns of type <tt>tinyint(1)</tt>
@@ -38,7 +33,7 @@ module ActiveRecord
string: { name: "varchar", limit: 255 },
text: { name: "text", limit: 65535 },
integer: { name: "int", limit: 4 },
- float: { name: "float" },
+ float: { name: "float", limit: 24 },
decimal: { name: "decimal" },
datetime: { name: "datetime" },
timestamp: { name: "timestamp" },
@@ -177,8 +172,7 @@ module ActiveRecord
#++
def explain(arel, binds = [])
- sql, binds = to_sql(arel, binds)
- sql = "EXPLAIN #{sql}"
+ sql = "EXPLAIN #{to_sql(arel, binds)}"
start = Time.now
result = exec_query(sql, "EXPLAIN", binds)
elapsed = Time.now - start
@@ -290,7 +284,7 @@ module ActiveRecord
def table_comment(table_name) # :nodoc:
scope = quoted_scope(table_name)
- query_value(<<-SQL.strip_heredoc, "SCHEMA")
+ query_value(<<-SQL.strip_heredoc, "SCHEMA").presence
SELECT table_comment
FROM information_schema.tables
WHERE table_schema = #{scope[:schema]}
@@ -317,6 +311,11 @@ module ActiveRecord
execute("ALTER TABLE #{quote_table_name(table_name)} #{sqls}")
end
+ def change_table_comment(table_name, comment) #:nodoc:
+ comment = "" if comment.nil?
+ execute("ALTER TABLE #{quote_table_name(table_name)} COMMENT #{quote(comment)}")
+ end
+
# Renames a table.
#
# Example:
@@ -357,18 +356,19 @@ module ActiveRecord
def change_column_default(table_name, column_name, default_or_changes) #:nodoc:
default = extract_new_default_value(default_or_changes)
- column = column_for(table_name, column_name)
- change_column table_name, column_name, column.sql_type, default: default
+ change_column table_name, column_name, nil, default: default
end
def change_column_null(table_name, column_name, null, default = nil) #:nodoc:
- column = column_for(table_name, column_name)
-
unless null || default.nil?
execute("UPDATE #{quote_table_name(table_name)} SET #{quote_column_name(column_name)}=#{quote(default)} WHERE #{quote_column_name(column_name)} IS NULL")
end
- change_column table_name, column_name, column.sql_type, null: null
+ change_column table_name, column_name, nil, null: null
+ end
+
+ def change_column_comment(table_name, column_name, comment) #:nodoc:
+ change_column table_name, column_name, nil, comment: comment
end
def change_column(table_name, column_name, type, options = {}) #:nodoc:
@@ -563,7 +563,6 @@ module ActiveRecord
m.register_type %r(longblob)i, Type::Binary.new(limit: 2**32 - 1)
m.register_type %r(^float)i, Type::Float.new(limit: 24)
m.register_type %r(^double)i, Type::Float.new(limit: 53)
- m.register_type %r(^json)i, Type::Json.new
register_integer_type m, %r(^bigint)i, limit: 8
register_integer_type m, %r(^int)i, limit: 4
@@ -635,6 +634,8 @@ module ActiveRecord
ER_LOCK_DEADLOCK = 1213
ER_CANNOT_ADD_FOREIGN = 1215
ER_CANNOT_CREATE_TABLE = 1005
+ ER_LOCK_WAIT_TIMEOUT = 1205
+ ER_QUERY_TIMEOUT = 3024
def translate_exception(exception, message)
case error_number(exception)
@@ -658,6 +659,10 @@ module ActiveRecord
NotNullViolation.new(message)
when ER_LOCK_DEADLOCK
Deadlocked.new(message)
+ when ER_LOCK_WAIT_TIMEOUT
+ TransactionTimeout.new(message)
+ when ER_QUERY_TIMEOUT
+ StatementTimeout.new(message)
else
super
end
@@ -671,6 +676,7 @@ module ActiveRecord
def change_column_sql(table_name, column_name, type, options = {})
column = column_for(table_name, column_name)
+ type ||= column.sql_type
unless options.key?(:default)
options[:default] = column.default
@@ -719,7 +725,7 @@ module ActiveRecord
def remove_index_sql(table_name, options = {})
index_name = index_name_for_remove(table_name, options)
- "DROP INDEX #{index_name}"
+ "DROP INDEX #{quote_column_name(index_name)}"
end
def add_timestamps_sql(table_name, options = {})
@@ -761,7 +767,7 @@ module ActiveRecord
defaults = [":default", :default].to_set
# Make MySQL reject illegal values rather than truncating or blanking them, see
- # http://dev.mysql.com/doc/refman/5.7/en/sql-mode.html#sqlmode_strict_all_tables
+ # https://dev.mysql.com/doc/refman/5.7/en/sql-mode.html#sqlmode_strict_all_tables
# If the user has provided another value for sql_mode, don't replace it.
if sql_mode = variables.delete("sql_mode")
sql_mode = quote(sql_mode)
@@ -778,7 +784,7 @@ module ActiveRecord
sql_mode_assignment = "@@SESSION.sql_mode = #{sql_mode}, " if sql_mode
# NAMES does not have an equals sign, see
- # http://dev.mysql.com/doc/refman/5.7/en/set-statement.html#id944430
+ # https://dev.mysql.com/doc/refman/5.7/en/set-names.html
# (trailing comma because variable_assignments will always have content)
if @config[:encoding]
encoding = "NAMES #{@config[:encoding]}".dup