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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/abstract/schema_dumper.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb24
-rw-r--r--activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb5
-rw-r--r--activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb8
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql/schema_dumper.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb2
-rw-r--r--activerecord/lib/active_record/connection_adapters/sqlite3/schema_dumper.rb13
-rw-r--r--activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb2
-rw-r--r--activerecord/lib/active_record/errors.rb28
-rw-r--r--activerecord/lib/active_record/migration/compatibility.rb12
11 files changed, 88 insertions, 12 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 83d1d7cd01..f783b1941b 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb
@@ -71,7 +71,7 @@ module ActiveRecord
polymorphic: false,
index: true,
foreign_key: false,
- type: :integer,
+ type: :bigint,
**options
)
@name = name
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb
index dabccc00bb..b912d24626 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb
@@ -56,7 +56,7 @@ module ActiveRecord
private
def default_primary_key?(column)
- schema_type(column) == :integer
+ schema_type(column) == :bigint
end
def schema_type(column)
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 db0ff749c1..971b274265 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -39,7 +39,7 @@ module ActiveRecord
self.emulate_booleans = true
NATIVE_DATABASE_TYPES = {
- primary_key: "int auto_increment PRIMARY KEY",
+ primary_key: "BIGINT(8) UNSIGNED auto_increment PRIMARY KEY",
string: { name: "varchar", limit: 255 },
text: { name: "text", limit: 65535 },
integer: { name: "int", limit: 4 },
@@ -736,6 +736,8 @@ module ActiveRecord
ER_NO_REFERENCED_ROW_2 = 1452
ER_DATA_TOO_LONG = 1406
ER_LOCK_DEADLOCK = 1213
+ ER_CANNOT_ADD_FOREIGN = 1215
+ ER_CANNOT_CREATE_TABLE = 1005
def translate_exception(exception, message)
case error_number(exception)
@@ -743,6 +745,14 @@ 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_LOCK_DEADLOCK
@@ -914,6 +924,18 @@ 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
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 ce773ed75b..0cf40de70f 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_definitions.rb
@@ -3,7 +3,10 @@ module ActiveRecord
module MySQL
module ColumnMethods
def primary_key(name, type = :primary_key, **options)
- options[:auto_increment] = true if type == :bigint && !options.key?(:default)
+ if type == :primary_key && !options.key?(:default)
+ options[:auto_increment] = true
+ options[:limit] = 8
+ end
super
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 9b02d8a34b..2065816501 100644
--- a/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql/schema_dumper.rb
@@ -3,11 +3,9 @@ module ActiveRecord
module MySQL
module ColumnDumper
def column_spec_for_primary_key(column)
- if column.bigint?
- spec = { id: :bigint.inspect }
- spec[:default] = schema_default(column) || "nil" unless column.auto_increment?
- else
- spec = super
+ spec = super
+ if column.type == :integer && !column.auto_increment?
+ spec[:default] = schema_default(column) || "nil"
end
spec[:unsigned] = "true" if column.unsigned?
spec
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_dumper.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_dumper.rb
index c20baf655c..7808d37deb 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_dumper.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_dumper.rb
@@ -25,7 +25,7 @@ module ActiveRecord
private
def default_primary_key?(column)
- schema_type(column) == :serial
+ schema_type(column) == :bigserial
end
def schema_type(column)
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 28e80a084a..263456a6a3 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -70,7 +70,7 @@ module ActiveRecord
ADAPTER_NAME = "PostgreSQL".freeze
NATIVE_DATABASE_TYPES = {
- primary_key: "serial primary key",
+ primary_key: "bigserial primary key",
string: { name: "character varying" },
text: { name: "text" },
integer: { name: "integer" },
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3/schema_dumper.rb b/activerecord/lib/active_record/connection_adapters/sqlite3/schema_dumper.rb
new file mode 100644
index 0000000000..c027fef83c
--- /dev/null
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3/schema_dumper.rb
@@ -0,0 +1,13 @@
+module ActiveRecord
+ module ConnectionAdapters
+ module SQLite3
+ module ColumnDumper
+ private
+
+ def default_primary_key?(column)
+ schema_type(column) == :integer
+ end
+ end
+ end
+ end
+end
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
index d91c34239b..eeaf739011 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
@@ -4,6 +4,7 @@ require "active_record/connection_adapters/sqlite3/explain_pretty_printer"
require "active_record/connection_adapters/sqlite3/quoting"
require "active_record/connection_adapters/sqlite3/schema_creation"
require "active_record/connection_adapters/sqlite3/schema_definitions"
+require "active_record/connection_adapters/sqlite3/schema_dumper"
gem "sqlite3", "~> 1.3.6"
require "sqlite3"
@@ -53,6 +54,7 @@ module ActiveRecord
ADAPTER_NAME = "SQLite".freeze
include SQLite3::Quoting
+ include SQLite3::ColumnDumper
NATIVE_DATABASE_TYPES = {
primary_key: "INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL",
diff --git a/activerecord/lib/active_record/errors.rb b/activerecord/lib/active_record/errors.rb
index 6464d40c94..7c8be37326 100644
--- a/activerecord/lib/active_record/errors.rb
+++ b/activerecord/lib/active_record/errors.rb
@@ -123,6 +123,34 @@ module ActiveRecord
class InvalidForeignKey < WrappedDatabaseException
end
+ # Raised when a foreign key constraint cannot be added because the column type does not match the referenced column type.
+ class MismatchedForeignKey < WrappedDatabaseException
+ def initialize(adapter = nil, message: nil, table: nil, foreign_key: nil, target_table: nil, primary_key: nil)
+ @adapter = adapter
+ if table
+ msg = <<-EOM.strip_heredoc
+ Column `#{foreign_key}` on table `#{table}` has a type of `#{column_type(table, foreign_key)}`.
+ This does not match column `#{primary_key}` on `#{target_table}`, which has type `#{column_type(target_table, primary_key)}`.
+ To resolve this issue, change the type of the `#{foreign_key}` column on `#{table}` to be :integer. (For example `t.integer #{foreign_key}`).
+ EOM
+ else
+ msg = <<-EOM
+ There is a mismatch between the foreign key and primary key column types.
+ Verify that the foreign key column type and the primary key of the associated table match types.
+ EOM
+ end
+ if message
+ msg << "\nOriginal message: #{message}"
+ end
+ super(msg)
+ end
+
+ private
+ def column_type(table, column)
+ @adapter.columns(table).detect { |c| c.name == column }.sql_type
+ end
+ end
+
# Raised when a record cannot be inserted or updated because a value too long for a column type.
class ValueTooLong < StatementInvalid
end
diff --git a/activerecord/lib/active_record/migration/compatibility.rb b/activerecord/lib/active_record/migration/compatibility.rb
index ae45ac7157..9d3652d63b 100644
--- a/activerecord/lib/active_record/migration/compatibility.rb
+++ b/activerecord/lib/active_record/migration/compatibility.rb
@@ -104,11 +104,21 @@ module ActiveRecord
class V5_0 < V5_1
def create_table(table_name, options = {})
- if ActiveRecord::Base.connection.adapter_name == "PostgreSQL"
+ connection_name = self.connection.adapter_name
+ if connection_name == "PostgreSQL"
if options[:id] == :uuid && !options[:default]
options[:default] = "uuid_generate_v4()"
end
end
+
+ # Since 5.1 Postgres adapter uses bigserial type for primary
+ # keys by default and MySQL uses bigint. This compat layer makes old migrations utilize
+ # serial/int type instead -- the way it used to work before 5.1.
+ if options[:id].blank?
+ options[:id] = :integer
+ options[:auto_increment] = true
+ end
+
super
end
end