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* Merge branch 'master' into add_database_exist_methodGuillermo Iguaran2019-07-081-37/+0
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| * Should `Regexp.escape` quoted table name in regexRyuta Kamizono2019-07-081-37/+0
| | | | | | | | | | It is for agnostic test case, since quoted table name may include `.` for all adapters, and `[` / `]` for sqlserver adapter.
* | Add database_exists? method to connection adaptersGuilherme Mansur2019-06-171-0/+16
|/ | | | | | | | When SQLite connects it will silently create a database if the database does not exist. This behaviour causes different issues because of inconsistent behaviour between adapters: #36383, #32914. This commit adds a `database_exists?` method as a way to check the database without creating it. This is a stepping stone to fully resolving the above issues.
* Move while_preventing_writes from conn to handlereileencodes2019-06-141-6/+8
| | | | | | | | | | | | | | | | | If we put the `while_preventing_writes` on the connection then the middleware that sends reads to the primary and ensures they can't write will not work. The `while_preventing_writes` will only be applied to the connection which it's called on - which in the case of the middleware is Ar::Base. This worked fine if you called it directly like `OtherDbConn.connection.while_preventing_writes` but Rails didn't have a way of knowing you wanted to call it on all the connections. The change here moves the `while_preventing_writes` method from the connection to the handler so that it can block writes to all queries for that handler. This will apply to all the connections associated with that handler.
* Enable `Layout/EmptyLinesAroundAccessModifier` copRyuta Kamizono2019-06-131-1/+0
| | | | | | | | | | | We sometimes say "✂️ newline after `private`" in a code review (e.g. https://github.com/rails/rails/pull/18546#discussion_r23188776, https://github.com/rails/rails/pull/34832#discussion_r244847195). Now `Layout/EmptyLinesAroundAccessModifier` cop have new enforced style `EnforcedStyle: only_before` (https://github.com/rubocop-hq/rubocop/pull/7059). That cop and enforced style will reduce the our code review cost.
* Fix sqlite3 collation parsing when using decimal columns.Martin Schuster2019-06-041-0/+9
| | | | | | If an sqlite3 table contains a decimal column behind columns with a collation definition, then parsing the collation of all preceeding columns will fail -- the collation will be missed without notice.
* Remove redundant `test_too_many_binds`Yasuo Honda2019-05-031-20/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | with `ActiveRecord::BindParameterTest#test_too_many_binds` sqlite adapter has its own `bind_params_length`, `ActiveRecord::BindParameterTest#test_too_many_binds` respects it. * Modified `ActiveRecord::BindParameterTest#test_too_many_binds` to show `bind_params_length` value ``` $ git diff diff --git a/activerecord/test/cases/bind_parameter_test.rb b/activerecord/test/cases/bind_parameter_test.rb index 85685d1d00..83cd07f1d7 100644 --- a/activerecord/test/cases/bind_parameter_test.rb +++ b/activerecord/test/cases/bind_parameter_test.rb @@ -108,6 +108,7 @@ def test_statement_cache_with_sql_string_literal def test_too_many_binds bind_params_length = @connection.send(:bind_params_length) + p bind_params_length topics = Topic.where(id: (1 .. bind_params_length).to_a << 2**63) assert_equal Topic.count, topics.count $ ``` * Executed modified `ActiveRecord::BindParameterTest#test_too_many_binds` ``` $ bin/test test/cases/bind_parameter_test.rb -n test_too_many_binds Using sqlite3 Run options: -n test_too_many_binds --seed 47321 999 . Finished in 0.075249s, 13.2892 runs/s, 26.5784 assertions/s. 1 runs, 2 assertions, 0 failures, 0 errors, 0 skips $ ```
* Add Relation#annotate for SQL commentingMatt Yoho2019-03-211-0/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch has two main portions: 1. Add SQL comment support to Arel via Arel::Nodes::Comment. 2. Implement a Relation#annotate method on top of that. == Adding SQL comment support Adds a new Arel::Nodes::Comment node that represents an optional SQL comment and teachers the relevant visitors how to handle it. Comment nodes may be added to the basic CRUD statement nodes and set through any of the four (Select|Insert|Update|Delete)Manager objects. For example: manager = Arel::UpdateManager.new manager.table table manager.comment("annotation") manager.to_sql # UPDATE "users" /* annotation */ This new node type will be used by ActiveRecord::Relation to enable query annotation via SQL comments. == Implementing the Relation#annotate method Implements `ActiveRecord::Relation#annotate`, which accepts a comment string that will be appeneded to any queries generated by the relation. Some examples: relation = Post.where(id: 123).annotate("metadata string") relation.first # SELECT "posts".* FROM "posts" WHERE "posts"."id" = 123 # LIMIT 1 /* metadata string */ class Tag < ActiveRecord::Base scope :foo_annotated, -> { annotate("foo") } end Tag.foo_annotated.annotate("bar").first # SELECT "tags".* FROM "tags" LIMIT 1 /* foo */ /* bar */ Also wires up the plumbing so this works with `#update_all` and `#delete_all` as well. This feature is useful for instrumentation and general analysis of queries generated at runtime.
* Extract `truncate` and `truncate_tables` into database statementsRyuta Kamizono2019-03-171-18/+0
| | | | This is to easier make `truncate_tables` to bulk statements.
* Allow `truncate` for SQLite3 adapter and add `rails db:seed:replant` (#34779)Bogdan2019-03-041-0/+18
| | | | | | | | | | | | | * Add `ActiveRecord::Base.connection.truncate` for SQLite3 adapter. SQLite doesn't support `TRUNCATE TABLE`, but SQLite3 adapter can support `ActiveRecord::Base.connection.truncate` by using `DELETE FROM`. `DELETE` without `WHERE` uses "The Truncate Optimization", see https://www.sqlite.org/lang_delete.html. * Add `rails db:seed:replant` that truncates database tables and loads the seeds Closes #34765
* Update READ_QUERY regexAli Ibrahim2019-02-251-0/+10
| | | | | | | * The READ_QUERY regex would consider reads to be writes if they started with spaces or parens. For example, a UNION query might have parens around each SELECT - (SELECT ...) UNION (SELECT ...). * It will now correctly treat these queries as reads.
* 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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* Enable `Style/RedundantBegin` cop to avoid newly adding redundant begin blockRyuta Kamizono2018-12-211-10/+8
| | | | | | | | | | 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.
* Rename error that occurs when writing on a readEileen Uchitelle2018-12-071-4/+4
| | | | | | | 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 Uchitelle2018-11-301-0/+56
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 ```
* Use squiggly heredoc to strip odd indentation in the executed SQLRyuta Kamizono2018-11-221-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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)) ```
* 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
* Change the empty block style to have space inside of the blockRafael Mendonça França2018-09-251-1/+1
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* Enable `Performance/UnfreezeString` copyuuji.yaginuma2018-09-231-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 ```
* 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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* Normalize time value not to be affected by summer timeRyuta Kamizono2018-07-251-0/+26
| | | | Follow up of #33358 for SQLite3.
* 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.
* Fix `CustomCops/AssertNot` to allow it to have failure messageRyuta Kamizono2018-05-131-1/+1
| | | | Follow up of #32605.
* 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.
* Use respond_to test helpersDaniel Colson2018-01-251-2/+2
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* Deprecate `valid_alter_table_type?` in sqlite3 adapterRyuta Kamizono2018-01-041-0/+4
| | | | | This method which is used only in the internal was introduced in ac384820 and was renamed in #17579. It does not need to be exposed.
* Fix recreating partial indexes after alter table for sqlitefatkodima2017-12-311-0/+17
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* SQLite: Add more test cases for adding primary keyRyuta Kamizono2017-12-261-0/+52
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* Remove needless `change_table`Ryuta Kamizono2017-12-151-6/+2
| | | | | These are using `remove_column` directly, not used `t` in `change_table`.
* Suppress `warning: BigDecimal.new is deprecated` in activerecordYasuo Honda2017-12-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | `BigDecimal.new` has been deprecated in BigDecimal 1.3.3 which will be a default for Ruby 2.5. Refer https://github.com/ruby/bigdecimal/commit/533737338db915b00dc7168c3602e4b462b23503 ``` $ cd rails/activerecord/ $ git grep -l BigDecimal.new | grep \.rb | xargs sed -i -e "s/BigDecimal.new/BigDecimal/g" ``` - Changes made only to Active Record. Will apply the same change to other module once this commit is merged. - The following deprecation has not been addressed because it has been reported at `ActiveRecord::Result.new`. `ActiveRecord::Result.ancestors` did not show `BigDecimal`. * Not addressed ```ruby /path/to/rails/activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb:34: warning: BigDecimal.new is deprecated ``` * database_statements.rb:34 ```ruby ActiveRecord::Result.new(result.fields, result.to_a) if result ``` * ActiveRecord::Result.ancestors ```ruby [ActiveRecord::Result, Enumerable, ActiveSupport::ToJsonWithActiveSupportEncoder, Object, Metaclass::ObjectMethods, Mocha::ObjectMethods, PP::ObjectMixin, ActiveSupport::Dependencies::Loadable, ActiveSupport::Tryable, JSON::Ext::Generator::GeneratorMethods::Object, Kernel, BasicObject] ``` This commit has been tested with these Ruby and BigDecimal versions - ruby 2.5 and bigdecimal 1.3.3 ``` $ ruby -v ruby 2.5.0dev (2017-12-14 trunk 61217) [x86_64-linux] $ gem list |grep bigdecimal bigdecimal (default: 1.3.3, default: 1.3.2) ``` - ruby 2.4 and bigdecimal 1.3.0 ``` $ ruby -v ruby 2.4.2p198 (2017-09-14 revision 59899) [x86_64-linux-gnu] $ gem list |grep bigdecimal bigdecimal (default: 1.3.0) ``` - ruby 2.3 and bigdecimal 1.2.8 ``` $ ruby -v ruby 2.3.5p376 (2017-09-14 revision 59905) [x86_64-linux] $ gem list |grep -i bigdecimal bigdecimal (1.2.8) ``` - ruby 2.2 and bigdecimal 1.2.6 ``` $ ruby -v ruby 2.2.8p477 (2017-09-14 revision 59906) [x86_64-linux] $ gem list |grep bigdecimal bigdecimal (1.2.6) ```
* SQLite: Fix `copy_table` with composite primary keysRyuta Kamizono2017-12-081-2/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | `connection.primary_key` also return composite primary keys, so `from_primary_key_column` may not be found even if `from_primary_key` is presented. ``` % ARCONN=sqlite3 be ruby -w -Itest test/cases/adapters/sqlite3/sqlite3_adapter_test.rb -n test_copy_table_with_composite_primary_keys Using sqlite3 Run options: -n test_copy_table_with_composite_primary_keys --seed 19041 # Running: E Error: ActiveRecord::ConnectionAdapters::SQLite3AdapterTest#test_copy_table_with_composite_primary_keys: NoMethodError: undefined method `type' for nil:NilClass /path/to/rails/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb:411:in `block in copy_table' ``` This change fixes `copy_table` to do not lose composite primary keys.
* Merge pull request #31327 from aellispierce/custom-id-change-table-sqliteEileen M. Uchitelle2017-12-071-0/+18
|\ | | | | Fix sqlite migrations with custom primary keys
| * Fix sqlite migrations with custom primary keysAshley Ellis Pierce2017-12-061-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously, if a record was created with a custom primary key, that table could not be migrated using sqlite. While attempting to copy the table, the type of the primary key was ignored. Once that was corrected, copying the indexes would fail because custom primary keys are autoindexed by sqlite by default. To correct that, this skips copying the index if the index name begins with "sqlite_". This is a reserved word that indicates that the index is an internal schema object. SQLite prohibits applications from creating objects whose names begin with "sqlite_", so this string should be safe to use as a check. ref https://www.sqlite.org/fileformat2.html#intschema
* | Emulate JSON types for SQLite3 adapter (#29664)Ryuta Kamizono2017-12-031-2/+2
|/ | | | | Actually SQLite3 doesn't have JSON storage class (so it is stored as a TEXT like Date and Time). But emulating JSON types is convinient for making database agnostic migrations.
* Merge pull request #30980 from sobrinho/sobrinho/arel-star-ignored-columnsRafael França2017-11-131-11/+11
|\ | | | | Do not use `Arel.star` when `ignored_columns`
| * Change tests to use models which don't ignore any columnsJon Moss2017-11-131-11/+11
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* | removed unnecessary semicolonsShuhei Kitagawa2017-10-281-1/+1
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* Remove deprecated argument `name` from `#indexes`Rafael Mendonça França2017-10-231-8/+0
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* Add JSON attribute test cases for SQLite3 adapterRyuta Kamizono2017-10-051-0/+29
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* Merge pull request #29732 from kirs/frozen-activerecordRafael França2017-07-217-0/+14
|\ | | | | Use frozen-string-literal in ActiveRecord
| * Use frozen-string-literal in ActiveRecordKir Shatrov2017-07-197-0/+14
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* | Revert "Extract `bind_param` and `bind_attribute` into `ActiveRecord::TestCase`"Sean Griffin2017-07-211-5/+5
|/ | | | | | | | This reverts commit b6ad4052d18e4b29b8a092526c2beef013e2bf4f. This is not something that the majority of Active Record should be testing or care about. We should look at having fewer places rely on these details, not make it easier to rely on them.
* Merge pull request #29033 from kamipo/make_preload_query_to_prepared_statementsSean Griffin2017-07-181-1/+1
|\ | | | | Make preload query to preparable
| * Make preload query to preparableRyuta Kamizono2017-07-071-1/+1
| | | | | | | | | | | | | | Currently preload query cannot be prepared statements even if `prepared_statements: true` due to array handler in predicate builder doesn't support making bind params. This makes preload query to preparable by don't passing array value if possible.
* | Change sqlite3 boolean serialization to use 1 and 0Lisa Ugray2017-07-111-0/+13
|/ | | | | | | | | | | | | | | | | | | | Abstract boolean serialization has been using 't' and 'f', with MySQL overriding that to use 1 and 0. This has the advantage that SQLite natively recognizes 1 and 0 as true and false, but does not natively recognize 't' and 'f'. This change in serialization requires a migration of stored boolean data for SQLite databases, so it's implemented behind a configuration flag whose default false value is deprecated. The flag itself can be deprecated in a future version of Rails. While loaded models will give the correct result for boolean columns without migrating old data, where() clauses will interact incorrectly with old data. While working in this area, also change the abstract adapter to use `"TRUE"` and `"FALSE"` as quoted values and `true` and `false` for unquoted. These are supported by PostreSQL, and MySQL remains overriden.
* Revert "Merge pull request #29540 from kirs/rubocop-frozen-string"Matthew Draper2017-07-027-7/+0
| | | | | This reverts commit 3420a14590c0e6915d8b6c242887f74adb4120f9, reversing changes made to afb66a5a598ce4ac74ad84b125a5abf046dcf5aa.
* Merge pull request #29540 from kirs/rubocop-frozen-stringMatthew Draper2017-07-027-0/+7
|\ | | | | | | Enforce frozen string in Rubocop
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