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* Allow `column_exists?` to be passed `type` argument as a stringRyuta Kamizono2019-01-241-9/+4
| | | | | | | | | | | Currently `conn.column_exists?("testings", "created_at", "datetime")` returns false even if the table has the `created_at` column. That reason is that `column.type` is a symbol but passed `type` is not normalized to symbol unlike `column_name`, it is surprising behavior to me. I've improved that to normalize a value before comparison.
* Fix type casting column default in `change_column`Ryuta Kamizono2019-01-201-1/+13
| | | | | | | | | | | | | | Since #31230, `change_column` is executed as a bulk statement. That caused incorrect type casting column default by looking up the before changed type, not the after changed type. In a bulk statement, we can't use `change_column_default_for_alter` if the statement changes the column type. This fixes the type casting to use the constructed target sql_type. Fixes #34938.
* Remove deprecated `#insert_fixtures` from the database adaptersRafael Mendonça França2019-01-171-8/+0
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* Remove deprecated ↵Rafael Mendonça França2019-01-171-4/+0
| | | | `ActiveRecord::ConnectionAdapters::SQLite3Adapter#valid_alter_table_type?`
* Change `SQLite3Adapter` to always represent boolean values as integersRafael Mendonça França2019-01-171-13/+1
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* Fix `test_case_insensitiveness` to follow up eb5fef5Ryuta Kamizono2019-01-111-9/+8
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* Merge pull request #34742 from kamipo/row_format_dynamic_by_defaultRyuta Kamizono2018-12-211-7/+14
|\ | | | | MySQL: `ROW_FORMAT=DYNAMIC` create table option by default
| * MySQL: `ROW_FORMAT=DYNAMIC` create table option by defaultRyuta Kamizono2018-12-191-7/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since MySQL 5.7.9, the `innodb_default_row_format` option defines the default row format for InnoDB tables. The default setting is `DYNAMIC`. The row format is required for indexing on `varchar(255)` with `utf8mb4` columns. As long as using MySQL 5.6, CI won't be passed even if MySQL server setting is properly configured the same as MySQL 5.7 (`innodb_file_per_table = 1`, `innodb_file_format = 'Barracuda'`, and `innodb_large_prefix = 1`) since InnoDB table is created as the row format `COMPACT` by default on MySQL 5.6, therefore indexing on string with `utf8mb4` columns aren't succeeded. Making `ROW_FORMAT=DYNAMIC` create table option by default for legacy MySQL version would mitigate the indexing issue on the user side, and it makes CI would be passed on MySQL 5.6 which is configured properly.
* | Enable `Style/RedundantBegin` cop to avoid newly adding redundant begin blockRyuta Kamizono2018-12-214-49/+37
| | | | | | | | | | | | | | | | | | | | Currently we sometimes find a redundant begin block in code review (e.g. https://github.com/rails/rails/pull/33604#discussion_r209784205). I'd like to enable `Style/RedundantBegin` cop to avoid that, since rescue/else/ensure are allowed inside do/end blocks in Ruby 2.5 (https://bugs.ruby-lang.org/issues/12906), so we'd probably meets with that situation than before.
* | Module#{define_method,alias_method,undef_method,remove_method} become public ↵Ryuta Kamizono2018-12-211-4/+4
|/ | | | | | since Ruby 2.5 https://bugs.ruby-lang.org/issues/14133
* Rename error that occurs when writing on a readEileen Uchitelle2018-12-073-11/+11
| | | | | | | I originally named this `StatementInvalid` because that's what we do in GitHub, but `@tenderlove` pointed out that this means apps can't test for or explitly rescue this error. `StatementInvalid` is pretty broad so I've renamed this to `ReadOnlyError`.
* Add ability to prevent writes to a databaseEileen Uchitelle2018-11-303-0/+170
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This PR adds the ability to prevent writes to a database even if the database user is able to write (ie the database is a primary and not a replica). This is useful for a few reasons: 1) when converting your database from a single db to a primary/replica setup - you can fix all the writes on reads early on, 2) when we implement automatic database switching or when an app is manually switching connections this feature can be used to ensure reads are reading and writes are writing. We want to make sure we raise if we ever try to write in read mode, regardless of database type and 3) for local development if you don't want to set up multiple databases but do want to support rw/ro queries. This should be used in conjunction with `connected_to` in write mode. For example: ``` ActiveRecord::Base.connected_to(role: :writing) do Dog.connection.while_preventing_writes do Dog.create! # will raise because we're preventing writes end end ActiveRecord::Base.connected_to(role: :reading) do Dog.connection.while_preventing_writes do Dog.first # will not raise because we're not writing end end ```
* Allow spaces in postgres table namesGannon McGibbon2018-11-281-0/+5
| | | | | Fixes issue where "user post" is misinterpreted as "\"user\".\"post\"" when quoting table names with the postgres adapter.
* Bump the minimum version of PostgreSQL to 9.3Yasuo Honda2018-11-253-377/+359
| | | | | | | | | | | | | | | | | | | | https://www.postgresql.org/support/versioning/ - 9.1 EOLed on September 2016. - 9.2 EOLed on September 2017. 9.3 is also not supported since Nov 8, 2018. https://www.postgresql.org/about/news/1905/ I think it may be a little bit early to drop PostgreSQL 9.3 yet. * Deprecated `supports_ranges?` since no other databases support range data type * Add `supports_materialized_views?` to abstract adapter Materialized views itself is supported by other databases, other connection adapters may support them * Remove `with_manual_interventions` It was only necessary for PostgreSQL 9.1 or earlier * Drop CI against PostgreSQL 9.2
* Use squiggly heredoc to strip odd indentation in the executed SQLRyuta Kamizono2018-11-229-27/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Before: ``` LOG: execute <unnamed>: SELECT t.oid, t.typname FROM pg_type as t WHERE t.typname IN ('int2', 'int4', 'int8', 'oid', 'float4', 'float8', 'bool') LOG: execute <unnamed>: SELECT t.oid, t.typname, t.typelem, t.typdelim, t.typinput, r.rngsubtype, t.typtype, t.typbasetype FROM pg_type as t LEFT JOIN pg_range as r ON oid = rngtypid WHERE t.typname IN ('int2', 'int4', 'int8', 'oid', 'float4', 'float8', 'text', 'varchar', 'char', 'name', 'bpchar', 'bool', 'bit', 'varbit', 'timestamptz', 'date', 'money', 'bytea', 'point', 'hstore', 'json', 'jsonb', 'cidr', 'inet', 'uuid', 'xml', 'tsvector', 'macaddr', 'citext', 'ltree', 'interval', 'path', 'line', 'polygon', 'circle', 'lseg', 'box', 'time', 'timestamp', 'numeric') OR t.typtype IN ('r', 'e', 'd') OR t.typinput::varchar = 'array_in' OR t.typelem != 0 LOG: statement: SHOW TIME ZONE LOG: statement: SELECT 1 LOG: execute <unnamed>: SELECT COUNT(*) FROM pg_class c LEFT JOIN pg_namespace n ON n.oid = c.relnamespace WHERE c.relkind IN ('r','v','m') -- (r)elation/table, (v)iew, (m)aterialized view AND c.relname = 'accounts' AND n.nspname = ANY (current_schemas(false)) ``` After: ``` LOG: execute <unnamed>: SELECT t.oid, t.typname FROM pg_type as t WHERE t.typname IN ('int2', 'int4', 'int8', 'oid', 'float4', 'float8', 'bool') LOG: execute <unnamed>: SELECT t.oid, t.typname, t.typelem, t.typdelim, t.typinput, r.rngsubtype, t.typtype, t.typbasetype FROM pg_type as t LEFT JOIN pg_range as r ON oid = rngtypid WHERE t.typname IN ('int2', 'int4', 'int8', 'oid', 'float4', 'float8', 'text', 'varchar', 'char', 'name', 'bpchar', 'bool', 'bit', 'varbit', 'timestamptz', 'date', 'money', 'bytea', 'point', 'hstore', 'json', 'jsonb', 'cidr', 'inet', 'uuid', 'xml', 'tsvector', 'macaddr', 'citext', 'ltree', 'interval', 'path', 'line', 'polygon', 'circle', 'lseg', 'box', 'time', 'timestamp', 'numeric') OR t.typtype IN ('r', 'e', 'd') OR t.typinput::varchar = 'array_in' OR t.typelem != 0 LOG: statement: SHOW TIME ZONE LOG: statement: SELECT 1 LOG: execute <unnamed>: SELECT COUNT(*) FROM pg_class c LEFT JOIN pg_namespace n ON n.oid = c.relnamespace WHERE c.relkind IN ('r','v','m') -- (r)elation/table, (v)iew, (m)aterialized view AND c.relname = 'accounts' AND n.nspname = ANY (current_schemas(false)) ```
* Fixing an issue when parsing an opclass by allowing indexed columnThomas Bianchini2018-11-211-0/+12
| | | | | | | | in indexdef to be wrapped up by double quotes Fixes #34493. *Thomas Bianchini*
* Merge pull request #34436 from gmcgibbon/fix_default_max_bind_length_sqliteRafael França2018-11-131-0/+20
|\ | | | | Adjust bind length of SQLite to default (999)
| * Adjust bind length of SQLite to default (999)Gannon McGibbon2018-11-131-0/+20
| | | | | | | | | | Change `#bind_params_length` in SQLite adapter to return the default maximum amount (999). See https://www.sqlite.org/limits.html
* | Add support for UNLOGGED Postgresql tablesJacob Evelyn2018-11-131-0/+74
|/ | | | | | | | | | | This commit adds support for the `ActiveRecord::ConnectionAdapters::PostgreSQLAdapter.create_unlogged_tables` setting, which turns `CREATE TABLE` SQL statements into `CREATE UNLOGGED TABLE` statements. This can improve PostgreSQL performance but at the cost of data durability, and thus it is highly recommended that you *DO NOT* enable this in a production environment.
* Fix test case for money schema defaultRyuta Kamizono2018-11-121-1/+1
| | | | | | | | Follow up a741208f80dd33420a56486bd9ed2b0b9862234a. Since a741208, `Decimal#serialize` which is superclass of `Money` type is no longer no-op, so it consistently serialize/deserialize a value as a decimal even if schema default.
* Change the empty block style to have space inside of the blockRafael Mendonça França2018-09-252-2/+2
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* Enable `Performance/UnfreezeString` copyuuji.yaginuma2018-09-233-8/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In Ruby 2.3 or later, `String#+@` is available and `+@` is faster than `dup`. ```ruby # frozen_string_literal: true require "bundler/inline" gemfile(true) do source "https://rubygems.org" gem "benchmark-ips" end Benchmark.ips do |x| x.report('+@') { +"" } x.report('dup') { "".dup } x.compare! end ``` ``` $ ruby -v benchmark.rb ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-linux] Warming up -------------------------------------- +@ 282.289k i/100ms dup 187.638k i/100ms Calculating ------------------------------------- +@ 6.775M (± 3.6%) i/s - 33.875M in 5.006253s dup 3.320M (± 2.2%) i/s - 16.700M in 5.032125s Comparison: +@: 6775299.3 i/s dup: 3320400.7 i/s - 2.04x slower ```
* Use utf8mb4 in all tests and examplesRyuta Kamizono2018-09-212-7/+7
| | | | | Since #33875, Rails dropped supporting MySQL 5.1 which does not support utf8mb4. We no longer need to use legacy utf8 (utf8mb3) conservatively.
* SQLite3: Support multiple args function for expression indexesRyuta Kamizono2018-09-141-8/+9
| | | | | Follow up #33874. Related #23393.
* SQLite3 adapter supports expression indexesgkemmey2018-09-131-0/+35
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* Use utf8mb4 character set by default for MySQL database (#33608)Yasuo Honda2018-09-112-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Use utf8mb4 character set by default `utf8mb4` character set supports supplementary characters including emoji. `utf8` character set with 3-Byte encoding is not enough to support them. There was a downside of 4-Byte length character set with MySQL 5.5 and 5.6: "ERROR 1071 (42000): Specified key was too long; max key length is 767 bytes" for Rails string data type which is mapped to varchar(255) type. MySQL 5.7 supports 3072 byte key prefix length by default. * Remove `DEFAULT COLLATE` from Active Record unit test databases There should be no "one size fits all" collation in MySQL 5.7. Let MySQL server choose the default collation for Active Record unit test databases. Users can choose their best collation for their databases by setting `options[:collation]` based on their requirements. * InnoDB FULLTEXT indexes support since MySQL 5.6 it does not have to use MyISAM storage engine whose maximum key length is 1000 bytes. Using MyISAM storag engine with utf8mb4 character set would cause "Specified key was too long; max key length is 1000 bytes" https://dev.mysql.com/doc/refman/5.6/en/innodb-fulltext-index.html * References "10.9.1 The utf8mb4 Character Set (4-Byte UTF-8 Unicode Encoding)" https://dev.mysql.com/doc/refman/5.7/en/charset-unicode-utf8mb4.html "10.9.2 The utf8mb3 Character Set (3-Byte UTF-8 Unicode Encoding)" https://dev.mysql.com/doc/refman/5.7/en/charset-unicode-utf8.html "14.8.1.7 Limits on InnoDB Tables" https://dev.mysql.com/doc/refman/5.7/en/innodb-restrictions.html > If innodb_large_prefix is enabled (the default), the index key prefix limit is 3072 bytes > for InnoDB tables that use DYNAMIC or COMPRESSED row format. * CI against MySQL 5.7 Followed this instruction and changed root password to empty string. https://docs.travis-ci.com/user/database-setup/#MySQL-57 * The recommended minimum version of MySQL is 5.7.9 to support utf8mb4 character set and `innodb_default_row_format` MySQL 5.7.9 introduces `innodb_default_row_format` to support 3072 byte length index by default. Users do not have to change MySQL database configuration to support Rails string type. https://dev.mysql.com/doc/refman/5.7/en/innodb-parameters.html#sysvar_innodb_default_row_format https://dev.mysql.com/doc/refman/5.7/en/innodb-restrictions.html > If innodb_large_prefix is enabled (the default), > the index key prefix limit is 3072 bytes for InnoDB tables that use DYNAMIC or COMPRESSED row format. * The recommended minimum version of MariaDB is 10.2.2 MariaDB 10.2.2 is the first version of MariaDB supporting `innodb_default_row_format` Also MariaDB says "MySQL 5.7 is compatible with MariaDB 10.2". - innodb_default_row_format https://mariadb.com/kb/en/library/xtradbinnodb-server-system-variables/#innodb_default_row_format - "MariaDB versus MySQL - Compatibility" https://mariadb.com/kb/en/library/mariadb-vs-mysql-compatibility/ > MySQL 5.7 is compatible with MariaDB 10.2 - "Supported Character Sets and Collations" https://mariadb.com/kb/en/library/supported-character-sets-and-collations/
* `supports_xxx?` returns whether a feature is supported by the backendRyuta Kamizono2018-09-083-41/+0
| | | | Rather than a configuration on the connection.
* Merge pull request #32647 from eugeneius/lazy_transactionsMatthew Draper2018-08-233-1/+6
|\ | | | | Omit BEGIN/COMMIT statements for empty transactions
| * Omit BEGIN/COMMIT statements for empty transactionsEugene Kenny2018-08-133-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a transaction is opened and closed without any queries being run, we can safely omit the `BEGIN` and `COMMIT` statements, as they only exist to modify the connection's behaviour inside the transaction. This removes the overhead of those statements when saving a record with no changes, which makes workarounds like `save if changed?` unnecessary. This implementation buffers transactions inside the transaction manager and materializes them the next time the connection is used. For this to work, the adapter needs to guard all connection use with a call to `materialize_transactions`. Because of this, adapters must opt in to get this new behaviour by implementing `supports_lazy_transactions?`. If `raw_connection` is used to get a reference to the underlying database connection, the behaviour is disabled and transactions are opened eagerly, as we can't know how the connection will be used. However when the connection is checked back into the pool, we can assume that the application won't use the reference again and reenable lazy transactions. This prevents a single `raw_connection` call from disabling lazy transactions for the lifetime of the connection.
* | Add database configuration to disable advisory locks.Guo Xiang Tan2018-08-223-0/+41
|/ | | | https://github.com/rails/rails/issues/31190
* PostgreSQL 10 new relkind for partitioned tables (#31336)Yannick Schutz2018-07-271-0/+22
| | | | | | | | | | | | | | | | | | | | | | | * PostgreSQL 10 new relkind for partitioned tables Starting with PostgreSQL 10, we can now have partitioned tables natively * Add comment * Remove extra space * Add test for partition table in postgreSQL10 * Select 'p' for "BASE TABLE" and add a test case to support PostgreSQL 10 partition tables * Address RuboCop offense * Addressed incorrect `postgresql_version` Fixes #33008. [Yannick Schutz & Yasuo Honda & Ryuta Kamizono]
* Normalize time value not to be affected by summer timeRyuta Kamizono2018-07-251-0/+26
| | | | Follow up of #33358 for SQLite3.
* Replace Mocha#stubs with assert_called_withutilum2018-07-221-6/+11
| | | | A correct, but not obvious use of `ActiveSupport::Testing::MethodCallAssertions`, which might also have been part of #33337 or #33391.
* Replace some more Mocha#stub calls with Minitestutilum2018-07-171-3/+4
| | | | Missed these in preparing #33337
* Remove unnecessary Mocha stubsutilum2018-07-071-1/+0
| | | | | | Step 1 in #33162 [utilum + bogdanvlviv]
* Merge pull request #33242 from brasic/sqlite-readonlyRyuta Kamizono2018-07-031-0/+33
|\ | | | | | | Support readonly option in SQLite3Adapter
| * Support readonly option in SQLite3AdapterCarl Brasic2018-07-021-0/+33
|/ | | | | | | | | | | | | | | | | Readonly sqlite database files are very useful as a data format for storing configuration/lookup data that is too complicated for YAML files. But since such files would typically be committed to a source control repository, it's important to ensure that they are truly safe from being inadvertently modified. Unfortunately using unix permissions isn't enough, as sqlite will "helpfully" add the write bit to a database file whenever it's written to. sqlite3-ruby has supported a `:readonly` option since version 1.3.2 (see https://github.com/sparklemotion/sqlite3-ruby/commit/c20c9f5dd2990042) This simply passes that option through to the adapter if present in the config hash. I think this is best considered an adapter-specific option since no other supported database has an identical concept.
* OS X -> macOS [Closes #30313]Xavier Noria2018-06-231-1/+1
| | | | [Jon Moss & Xavier Noria]
* CI against MariaDB 10.3Yasuo Honda2018-06-011-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - MariaDB 10.3.7 is the first GA release https://mariadb.com/kb/en/library/mariadb-1037-release-notes/ - MariaDB 10.3 translates `LENGTH()` to `OCTET_LENGTH()` function https://mariadb.com/kb/en/library/sql_modeoracle-from-mariadb-103/ > MariaDB translates LENGTH() to OCTET_LENGTH() - MySQL does NOT translate `LENGTH()` to `OCTET_LENGTH()` However, it translates `OCTET_LENGTH()` to `LENGTH()` Here are generated schema dumps of this test to show the differences between MySQL and MariaDB: * MySQL 8.0 (Server version: 8.0.11 MySQL Community Server - GPL) ```ruby create_table \"virtual_columns\", options: \"ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci\", force: :cascade do |t| t.string \"name\" t.virtual \"upper_name\", type: :string, as: \"upper(`name`)\" t.virtual \"name_length\", type: :integer, as: \"length(`name`)\", stored: true t.virtual \"name_octet_length\", type: :integer, as: \"length(`name`)\", stored: true end ``` * Maria DB 10.3 (Server version: 10.3.7-MariaDB-1:10.3.7+maria~bionic-log mariadb.org binary distribution) ```ruby create_table \"virtual_columns\", options: \"ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci\", force: :cascade do |t| t.string \"name\" t.virtual \"upper_name\", type: :string, as: \"ucase(`name`)\" t.virtual \"name_length\", type: :integer, as: \"octet_length(`name`)\", stored: true t.virtual \"name_octet_length\", type: :integer, as: \"octet_length(`name`)\", stored: true end ```
* Parse raw value only when a value came from user in numericality validatorRyuta Kamizono2018-05-281-1/+4
| | | | | | | | Since `parse_raw_value_as_a_number` may not always parse raw value from database as a number without type casting (e.g. "$150.55" as money format). Fixes #32531.
* Make force equality checking more strictly not to allow serialized attributeRyuta Kamizono2018-05-251-0/+6
| | | | | | | | | | | Since #26074, introduced force equality checking to build a predicate consistently for both `find` and `create` (fixes #27313). But the assumption that only array/range attribute have subtype was wrong. We need to make force equality checking more strictly not to allow serialized attribute. Fixes #32761.
* Fix `CustomCops/AssertNot` to allow it to have failure messageRyuta Kamizono2018-05-134-5/+5
| | | | Follow up of #32605.
* Replace `assert !` with `assert_not`Daniel Colson2018-04-191-2/+2
| | | | | This autocorrects the violations after adding a custom cop in 3305c78dcd.
* Normalize date component when writing to time columnsAndrew White2018-03-111-0/+7
| | | | | | | | | | | | | | | For legacy reasons Rails stores time columns on sqlite as full timestamp strings. However because the date component wasn't being normalized this meant that when they were read back they were being prefixed with 2001-01-01 by ActiveModel::Type::Time. This had a twofold result - first it meant that the fast code path wasn't being used because the string was invalid and second it was corrupting the second fractional component being read by the Date._parse code path. Fix this by a combination of normalizing the timestamps on writing and also changing Active Model to be more lenient when detecting whether a string starts with a date component before creating the dummy time value for parsing.
* Remove unnecessary `respond_to?(:report_on_exception)` checkingyuuji.yaginuma2018-03-022-4/+4
| | | | Since Rails 6 requires Ruby 2.4.1+.
* Fix `#columsn_for_distinct` of MySQL and PostgreSQLkg8m2018-02-272-15/+15
| | | | | | | Prevent `ActiveRecord::FinderMethods#limited_ids_for` from using correct primary key values even if `ORDER BY` columns include other table's primary key. Fixes #28364.
* PostgreSQL: Allow BC dates like datetime consistentlyRyuta Kamizono2018-02-231-0/+18
| | | | | | | | | BC dates are supported by both date and datetime types. https://www.postgresql.org/docs/current/static/datatype-datetime.html Since #1097, new datetime allows year zero as 1 BC, but new date does not. It should be allowed even in new date consistently.
* PostgreSQL: Treat infinite values in date like datetime consistentlyRyuta Kamizono2018-02-232-0/+63
| | | | | | | | | | | | | | The values infinity and -infinity are supported by both date and timestamp types. https://www.postgresql.org/docs/current/static/datatype-datetime.html#DATATYPE-DATETIME-SPECIAL-TABLE And also, it can not be known whether a value is infinity correctly unless cast a value. I've added `QueryAttribute#infinity?` to handle that case. Closes #27585.
* Deprecate update_attributes and update_attributes!Eddie Lebow2018-02-172-4/+4
| | | | Closes #31998
* Dump correctly index nulls order for postgresqlfatkodima2018-01-282-0/+34
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