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* Add schema dumping support for PostgreSQL geometric data typesRyuta Kamizono2015-11-241-5/+61
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* Move `migration/postgresql_geometric_types_test.rb` in ↵Ryuta Kamizono2015-11-241-0/+84
| | | | `adapters/postgresql/geometric_test.rb`
* Rename 'key' to 'lock_id' or 'lock_name' for advisory lockingSam Davies2015-11-181-10/+10
| | | | | | | | | - key was a poor choice of name. A key implies something that will unlock a lock. The concept is actually more like a 'lock identifier' - mysql documentation calls this a 'lock name' - postgres documentation calls it a 'lock_id' - Updated variable names to reflect the preferred terminology for the database in question
* Deprecate `#table_exists?`, `#tables` and passing arguments to `#talbes`yui-knk2015-11-092-15/+15
| | | | | | | | | | Reported on #21509, how views is treated by `#tables` are differ by each adapters. To fix this different behavior, after Rails 5.0 is released, deprecate `#tables`. And `#table_exists?` would check both tables and views. To make their behavior consistent with `#tables`, after Rails 5.0 is released, deprecate `#table_exists?`.
* Use advisory locks to prevent concurrent migrationsSam Davies2015-10-301-0/+42
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Addresses issue #22092 - Works on Postgres and MySQL - Uses advisory locks because of two important properties: 1. The can be obtained outside of the context of a transaction 2. They are automatically released when the session ends, so if a migration process crashed for whatever reason the lock is not left open perpetually - Adds get_advisory_lock and release_advisory_lock methods to database adapters - Attempting to run a migration while another one is in process will raise a ConcurrentMigrationError instead of attempting to run in parallel with undefined behavior. This could be rescued and the migration could exit cleanly instead. Perhaps as a configuration option? Technical Notes ============== The Migrator uses generate_migrator_advisory_lock_key to build the key for the lock. In order to be compatible across multiple adapters there are some constraints on this key. - Postgres limits us to 64 bit signed integers - MySQL advisory locks are server-wide so we have to scope to the database - To fulfil these requirements we use a Migrator salt (a randomly chosen signed integer with max length of 31 bits) that identifies the Rails migration process as the owner of the lock. We multiply this salt with a CRC32 unsigned integer hash of the database name to get a signed 64 bit integer that can also be converted to a string to act as a lock key in MySQL databases. - It is important for subsequent versions of the Migrator to use the same salt, otherwise different versions of the Migrator will not see each other's locks.
* Do not cache prepared statements that are unlikely to have cache hitsSean Griffin2015-10-202-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Prior to this commit, Rails makes no differentiation between whether a query uses bind parameters, and whether or not we cache that query as a prepared statement. This leads to the cache populating extremely fast in some cases, with the statements never being reused. In particular, the two problematic cases are `where(foo: [1, 2, 3])` and `where("foo = ?", 1)`. In both cases we'll end up quoting the values rather than using a bind param, causing a cache entry for every value ever used in that query. It was noted that we can probably eventually change `where("foo = ?", 1)` to use a bind param, which would resolve that case. Additionally, on PG we can change our generated query to be `WHERE foo = ANY($1)`, and pass an array for the bind param. I hope to accomplish both in the future. For SQLite and MySQL, we still end up preparing the statements anyway, we just don't cache it. The statement will be cleaned up after it is executed. On postgres, we skip the prepare step entirely, as an API is provided to execute with bind params without preparing the statement. I'm not 100% happy on the way this ended up being structured. I was hoping to use a decorator on the visitor, rather than mixing a module into the object, but the way Arel has it's visitor pattern set up makes it very difficult to extend without inheritance. I'd like to remove the duplication from the various places that are extending it, but that'll require a larger restructuring of that initialization logic. I'm going to take another look at the structure of it soon. This changes the signature of one of the adapter's internals, and will require downstream changes from third party adapters. I'm not too worried about this, as worst case they can simply add the parameter and always ignore it, and just keep their previous behavior. Fixes #21992.
* Merge pull request #21697 from gdeglin/fix_returning_disabled_default_values_bugSean Griffin2015-09-241-0/+14
|\ | | | | | | Fix a bug with returning_disabled when using the postgresql adapter
| * Fix a bug with returning_disabled when using the postgresql adapterGeorge Deglin2015-09-201-0/+15
| | | | | | | | The returning_disabled configuration option is required to make postgresql partitioning triggers work. This commit fixes a bug where an invalid query would be made in cases where returning_disabled was true and objects were created with no attributes defined.
* | introduce `conn.data_source_exists?` and `conn.data_sources`.Yves Senn2015-09-221-0/+2
|/ | | | | | | | | | | | | | | | | These new methods are used from the Active Record model layer to determine which relations are viable to back a model. These new methods allow us to change `conn.tables` in the future to only return tables and no views. Same for `conn.table_exists?`. The goal is to provide the following introspection methods on the connection: * `tables` * `table_exists?` * `views` * `view_exists?` * `data_sources` (views + tables) * `data_source_exists?` (views + tables)
* File encoding is defaulted to utf-8 in Ruby >= 2.1Akira Matsuda2015-09-181-1/+0
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* Merge pull request #21528 from yui-knk/test/add_tests_for_mysql2_viewYves Senn2015-09-081-64/+0
|\ | | | | Add tests for test/cases/adapters/mysql2/view_test.rb
| * Add view tests for MySQLyui-knk2015-09-081-64/+0
| | | | | | | | | | | | | | | | | | Basically view tests for MySQL are same with `test/cases/adapters/postgresql/view_test.rb`. So move `test/cases/adapters/postgresql/view_test.rb` to `test/cases/view_test.rb` and make them only run if `current_adapter` supports writable view.
* | Fix test failures from premature merge of #21317Matthew Draper2015-09-071-1/+8
| | | | | | | | | | | | | | | | Apparently I managed to forget how similar the "tests passing" and "no status reported" merge indicators look. Note that the previous `stubs` in test_add_index wasn't working: the method was still called, and just happened to return false.
* | Support dropping indexes concurrently in PostgresGrey Baker2015-09-052-2/+11
|/ | | | | See http://www.postgresql.org/docs/9.4/static/sql-dropindex.html for more details.
* pg, `create_schema`, `drop_schema` and `rename_table` quote schema name.Yves Senn2015-08-281-7/+47
| | | | | | | | Closes #21418. Previously schema names were not quoted. This leads to issues when a schema names contains a ".". Methods in `schema_statements.rb` should quote user input.
* PostgreSQL, add `:if_exists` to `#drop_schema`.Yves Senn2015-08-282-11/+22
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* Display decimal defaults as strings to keep precisionJohn Gesimondo2015-06-232-1/+6
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* make it possible to run AR tests with bin/testYves Senn2015-06-1140-76/+72
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* Return a `Point` object from the PG Point typeSean Griffin2015-06-051-11/+108
| | | | | | | | | | | | | | | | | | | This introduces a deprecation cycle to change the behavior of the default point type in the PostgreSQL adapter. The old behavior will continue to be available for the immediate future as `:legacy_point`. The current behavior of returning an `Array` causes several problems, the most significant of which is that we cannot differentiate between an array of points, and a point itself in the case of a column with the `point[]` type. The attributes API gives us a reasonable way to have a proper deprecation cycle for this change, so let's take advantage of it. If we like this change, we can also add proper support for the other geometric types (line, lseg, box, path, polygon, and circle), all of which are just aliases for string today. Fixes #20441
* PostgreSQL: `:collation` support for string and text columnsRyuta Kamizono2015-05-041-0/+53
| | | | | | | | | Example: create_table :foos do |t| t.string :string_en, collation: 'en_US.UTF-8' t.text :text_ja, collation: 'ja_JP.UTF-8' end
* PostgreSQL, Fix OID based type casts in C for primitive types.Lars Kanis2015-03-254-13/+13
| | | | | | | | | | The type map was introduced in aafee23, but wasn't properly filled. This mainly adjusts many locations, that expected strings instead of integers or boolean. add_pg_decoders is moved after setup of the StatementPool, because execute_and_clear could potentially make use of it.
* PostgreSQL, Add test case for "Infinity" string assignment to float columns.Lars Kanis2015-03-221-0/+9
| | | | This is implemented in Type::Float, but not tested, so far.
* Don't cast nil to string in pg enumsSean Griffin2015-03-191-0/+8
| | | | Fixes #19389.
* Closes rails/rails#18864: Renaming transactional fixtures to transactional testsBrandon Weiss2015-03-167-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | I’m renaming all instances of `use_transcational_fixtures` to `use_transactional_tests` and “transactional fixtures” to “transactional tests”. I’m deprecating `use_transactional_fixtures=`. So anyone who is explicitly setting this will get a warning telling them to use `use_transactional_tests=` instead. I’m maintaining backwards compatibility—both forms will work. `use_transactional_tests` will check to see if `use_transactional_fixtures` is set and use that, otherwise it will use itself. But because `use_transactional_tests` is a class attribute (created with `class_attribute`) this requires a little bit of hoop jumping. The writer method that `class_attribute` generates defines a new reader method that return the value being set. Which means we can’t set the default of `true` using `use_transactional_tests=` as was done previously because that won’t take into account anyone using `use_transactional_fixtures`. Instead I defined the reader method manually and it checks `use_transactional_fixtures`. If it was set then it should be used, otherwise it should return the default, which is `true`. If someone uses `use_transactional_tests=` then it will overwrite the backwards-compatible method with whatever they set.
* pg, `disable_referential_integrity` only catches AR errors.Yves Senn2015-03-111-1/+23
| | | | This change was prompted by 598b841.
* Fix json_testpalkan2015-03-111-0/+1
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* Fix intermittent test failuresSean Griffin2015-03-091-0/+1
| | | | | | | | | | The table is being modified in tests, without reloading the column information on the appropriate class. This is leading to incorrect column information in many cases. The failures fixed by this commit can be replicated with: ARCONN=postgresql ruby -Itest test/cases/adapters/postgresql/hstore_test.rb --seed 21574
* Fix intermittent test failuresSean Griffin2015-03-091-0/+1
| | | | | | | | | | | The default value of `"pg_arrays"."tags"` is being changed to `[]` in one test, but the column information on the model isn't reset after it's changed back. As such, we think the default value is `[]` when in the database it's actually `nil`. That means any test which was assigning `[]` to a new record would have that key skipped with partial writes, as it hasn't changed from the default. However since the *actual* default value is `nil`, we get back values that the test doesn't expect, and it fails.
* Remove duplicated testRyuta Kamizono2015-03-041-20/+0
| | | | | `PostgresqlLargeKeysTest` is duplicated `PrimaryKeyBigSerialTest` in `primary_keys_test.rb`.
* Correctly dump `serial` and `bigserial`Ryuta Kamizono2015-03-041-0/+60
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* Remove unused lineRyuta Kamizono2015-03-031-1/+0
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* rework `disable_referential_integrity` for PostgreSQL.Yves Senn2015-02-241-0/+89
| | | | | | | | | | | | | | | | | | | | | | | [Toby Ovod-Everett & Andrey Nering & Yves Senn] Closes #17726. Closes #10939. This patch makes three distinct modifications: 1. no longer fall back to disabling user triggers if system triggers can't be disabled 2. warn the user when referential integrity can't be disabled 3. restore aborted transactions when referential integrity can't be disabled The motivation behind these changes is to make the behavior of Rails transparent and less error-prone. To require superuser privileges is not optimal but it's what Rails currently needs. Users who absolutely rely on disabling user triggers can patch `disable_referential_integrity`. We should investigate `SET CONSTRAINTS` as a possible solution which does not require superuser privileges. /cc @matthewd
* Should handle array option for `:cast_as`Ryuta Kamizono2015-02-191-0/+7
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* Prefer `drop_table if_exists: true` over raw SQLRyuta Kamizono2015-02-1815-19/+19
| | | | | Lowercase raw SQL has been replaced by 07b659c already. This commit replaces everything else of raw SQL.
* prefer `drop_table if_exists: true` over raw SQL.Yves Senn2015-02-187-7/+7
| | | | | | | /cc @yahonda This makes it easier for third party adapters to run our tests, even if that database does not support IF EXISTS.
* `type_cast_from_user` -> `cast`Sean Griffin2015-02-172-5/+5
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* `type_cast_for_database` -> `serialize`Sean Griffin2015-02-176-17/+17
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* `Type#type_cast_from_database` -> `Type#deserialize`Sean Griffin2015-02-176-24/+24
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* Extract `DateTimePrecisionTest`Ryuta Kamizono2015-02-131-100/+0
| | | | The datetime precision tests for any adapters is duplicated.
* pg tests, be clear about the missing type that causes a test skip.Yves Senn2015-02-121-7/+6
| | | | Also removed some cruft in the `setup` and `teardown` methods.
* The datetime precision with zero should be dumpedRyuta Kamizono2015-02-111-22/+39
| | | | | `precision: 0` was not dumped by f1a0fa9e19b7e4ccaea191fc6cf0613880222ee7. However, `precision: 0` is valid value for PostgreSQL timestamps.
* Refactor microsecond precision to be database agnosticSean Griffin2015-02-102-5/+3
| | | | | | | | | | The various databases don't actually need significantly different handling for this behavior, and they can achieve it without knowing about the type of the object. The old implementation was returning a string, which will cause problems such as breaking TZ aware attributes, and making it impossible for the adapters to supply their logic for time objects.
* Fix rounding problem for PostgreSQL timestamp columnRyuta Kamizono2015-02-081-0/+16
| | | | | If timestamp column have the precision, it need to format according to the precision of timestamp column.
* Remove unused lineRyuta Kamizono2015-02-081-1/+0
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* rm `Type#number?`Sean Griffin2015-02-0714-19/+0
| | | | | This predicate is only used in `query_attribute`, and is relatively easy to remove without adding a bunch of is a checks.
* Fix test cases for money, bit and bit_varyingMelody2015-02-042-2/+4
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* Removed magic comments # encoding: utf-8 , since its default from ruby 2.0 ↵Vipul A M2015-02-0317-17/+0
| | | | onwards.
* Remove most type related predicates from `Column`Sean Griffin2015-01-3015-70/+107
| | | | | | Remaining are `limit`, `precision`, `scale`, and `type` (the symbol version). These will remain on the column, since they mirror the options to the `column` method in the schema definition DSL
* Remove Relation#bind_paramsSean Griffin2015-01-274-13/+24
| | | | | | | | `bound_attributes` is now used universally across the board, removing the need for the conversion layer. These changes are mostly mechanical, with the exception of the log subscriber. Additional, we had to implement `hash` on the attribute objects, so they could be used as a key for query caching.
* Fix test failure on PG caused by 7c6f3938dee47f093Sean Griffin2015-01-231-2/+2
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