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path: root/activerecord/test/cases/calculations_test.rb
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* All of queries should return correct result even if including large numberRyuta Kamizono2019-01-181-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently several queries cannot return correct result due to incorrect `RangeError` handling. First example: ```ruby assert_equal true, Topic.where(id: [1, 9223372036854775808]).exists? assert_equal true, Topic.where.not(id: 9223372036854775808).exists? ``` The first example is obviously to be true, but currently it returns false. Second example: ```ruby assert_equal topics(:first), Topic.where(id: 1..9223372036854775808).find(1) ``` The second example also should return the object, but currently it raises `RecordNotFound`. It can be seen from the examples, the queries including large number assuming empty result is not always correct. Therefore, This change handles `RangeError` to generate executable SQL instead of raising `RangeError` to users to always return correct result. By this change, it is no longer raised `RangeError` to users.
* Do not allow passing the column name to `sum` when a block is passedRafael Mendonça França2019-01-171-3/+3
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* Do not allow passing the column name to `count` when a block is passedRafael Mendonça França2019-01-171-3/+3
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* Revert "Fix NumericData.average test on ruby 2.6"Alberto Almagro2019-01-041-6/+2
| | | | This reverts commit 89b4612ffc97e6648f5cf807906ae210e05acdda.
* Fix TypeError: no implicit conversion of Arel::Attributes::Attribute into ↵Ryuta Kamizono2019-01-021-0/+2
| | | | | | | | | | | | | String properly This reverts 27c6c07 since `arel_attr.to_s` is not right way to avoid the type error. That to_s returns `"#<struct Arel::Attributes::Attribute ...>"`, there is no reason to match the regex to the inspect form. And also, the regex path is not covered by our test cases. I've tweaked the regex for redundant part and added assertions for the regex path.
* Fix join table column quoting with SQLite.Gannon McGibbon2018-12-051-0/+4
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* Fix NumericData.average test on ruby 2.6Abdallah Samman2018-12-031-2/+6
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* Redact SQL in errorsGannon McGibbon2018-11-221-2/+2
| | | | | Move `ActiveRecord::StatementInvalid` SQL to error property. Also add bindings as an error property.
* Avoid creating temporary arrays in ActiveRecord::Result#cast_values in order ↵Lachlan Sylvester2018-06-191-0/+12
| | | | to speed up pluck
* Fix GROUP BY queries to apply LIMIT/OFFSET after aggregationsRyuta Kamizono2018-06-071-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If `eager_loading` is true, `apply_join_dependency` force applies LIMIT/OFFSET before JOINs by `limited_ids_for` to keep parent records count. But for aggregation queries, LIMIT/OFFSET should be applied after aggregations the same as SQL semantics. And also, we could not replace SELECT list by `limited_ids_for` when a query has a GROUP BY clause. It had never been worked since it will causes generating invalid SQL for MySQL, PostgreSQL, and probably most backends. ``` % ARCONN=postgresql be ruby -w -Itest test/cases/calculations_test.rb -n test_group_by_with_limit Using postgresql Run options: -n test_group_by_with_limit --seed 20925 # Running: E Error: CalculationsTest#test_group_by_with_limit: ActiveRecord::StatementInvalid: PG::GroupingError: ERROR: column "posts.id" must appear in the GROUP BY clause or be used in an aggregate function LINE 1: SELECT DISTINCT "posts"."id", "posts"."type" AS alias_0 FRO... ^ : SELECT DISTINCT "posts"."id", "posts"."type" AS alias_0 FROM "posts" LEFT OUTER JOIN "comments" ON "comments"."post_id" = "posts"."id" GROUP BY "posts"."type" ORDER BY "posts"."type" ASC LIMIT $1 ``` Fixes #8103. Closes #27249.
* Add `delegate :pick, to: :all`Yuji Hanamura2018-03-091-0/+5
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* Merge pull request #32005 from maschwenk/ar-distinct-order-count-regressionRyuta Kamizono2018-02-271-0/+6
|\ | | | | | | Active Record distinct & order #count regression
| * Distinct with order #count regressionMax Schwenk2018-02-251-0/+8
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* Add test to make sure pick works in a NullRelationRafael Mendonça França2018-02-121-0/+2
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* Add Relation#pick as short-hand for single-value plucks (#31941)David Heinemeier Hansson2018-02-091-0/+10
| | | * Add Relation#pick as short-hand for single-value plucks
* Fix `count(:all)` with eager loading and having an order other than the ↵Ryuta Kamizono2018-01-251-1/+7
| | | | | | | | | | | | | | | | | | | driving table This is a regression caused by 6beb4de. In PostgreSQL, ORDER BY expressions must appear in SELECT list when using DISTINCT. When using `count(:all)` with eager loading, Active Record enforces DISTINCT to count the driving table records only. 6beb4de was caused the regression because `count(:all)` with DISTINCT path no longer removes ORDER BY. We need to ignore ORDER BY when DISTINCT is enforced, otherwise not always generated valid SQL for PostgreSQL. Fixes #31783.
* Fix `pluck` with eager loading to respect `offset`Ryuta Kamizono2018-01-071-0/+5
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* Fix `count(:all)` to correctly work `distinct` with custom SELECT listRyuta Kamizono2017-12-201-0/+6
| | | | | | | | | | | | | | Currently `count(:all)` with `distinct` doesn't work correctly because SELECT list is always replaced to `*` or primary key in that case even if having custom SELECT list. And also, PostgreSQL has a limitation that ORDER BY expressions must appear in select list for SELECT DISTINCT. Therefore, we should not replace custom SELECT list when using `count(:all)` with `distinct`. Closes #31277.
* try using regexesBen Toews2017-11-091-7/+7
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* allow Arel.sql() for pluckBen Toews2017-11-091-12/+12
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* Fix `COUNT(DISTINCT ...)` for `GROUP BY` with `ORDER BY` and `LIMIT`Ryuta Kamizono2017-10-141-0/+4
| | | | | | | | | | This is the fix for the regression of #29848. In #29848, I've kept existing select list in the subquery for the count if ORDER BY is given. But it had accidentally affect to GROUP BY queries also. It should keep the previous behavior in that case. Fixes #30886.
* sqlite3 adapter returns integer value which used to be stringYasuo Honda2017-09-011-2/+1
| | | | | | | | | | | | | | | | | | | | | | | `to_i` was added for SQLite3 adapter which did not handle number but sqlite3 gem already supports it then `to_i` is unnecessary. else condition is kept for adapters which return string, i.e. mysql(not mysql2) and sqlserver. Renamed `test_cache_does_not_wrap_string_results_in_arrays` to `test_cache_does_not_wrap_results_in_arrays` to explain the current behavior. most of adapters return integer, not only string. * Refer these commits: "future proofing the sqlite3 adapter code" https://github.com/rails/rails/commit/beda2d43d6ac5c3435fc2fba0cbd108c20fe1c67 "Refactor calculation test to remove unneeded SQLite special case." https://github.com/rails/rails/commit/47d568ed3fc701934ebe80b276f3d8bf6951c93f "no need to to_i, sqlite does that for us" https://github.com/rails/rails/commit/6cf44a1bd64ba10497742d70ad78fe68faa16e99
* Merge remote-tracking branch 'origin/master' into unlock-minitestRafael Mendonça França2017-08-011-0/+26
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| * Should keep the table name qualified `*` for distinct subqueryRyuta Kamizono2017-07-221-0/+12
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| * Fix `COUNT(DISTINCT ...)` with `ORDER BY` and `LIMIT`Ryuta Kamizono2017-07-221-0/+12
| | | | | | | | | | | | | | Since #26972, `ORDER BY` is kept if `LIMIT` is presented for performance. But in most SQL servers (e.g. PostgreSQL, SQL Server, etc), `ORDER BY` expressions must appear in select list for `SELECT DISTINCT`. We should not replace existing select list in that case.
| * Use frozen-string-literal in ActiveRecordKir Shatrov2017-07-191-0/+2
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* | Merge branch 'master' into unlock-minitestKasper Timm Hansen2017-07-151-2/+47
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| * Skip query cache for in_batches and friendsEugene Kenny2017-07-061-0/+42
| | | | | | | | | | | | | | | | | | | | | | The `find_each`, `find_in_batches` and `in_batches` APIs usually operate on large numbers of records, where it's preferable not to load them all into memory at once. If the query cache is enabled, it will hold onto the query results until the end of the execution context (request/job), which means the memory used is still proportional to the total number of records. These queries are typically not repeated, so the query cache isn't desirable here.
| * Revert "Merge pull request #29540 from kirs/rubocop-frozen-string"Matthew Draper2017-07-021-1/+0
| | | | | | | | | | This reverts commit 3420a14590c0e6915d8b6c242887f74adb4120f9, reversing changes made to afb66a5a598ce4ac74ad84b125a5abf046dcf5aa.
| * Enforce frozen string in RubocopKir Shatrov2017-07-011-0/+1
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| * Fix `test_pluck_without_column_names` when using OracleKoichi ITO2017-06-061-2/+5
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* | Load schema before assertionyuuji.yaginuma2017-06-061-0/+6
|/ | | | | | | | | | | | | | | | | | | | | | | | Without this, test fails because the load schema when pluck is executed. Steps to reproduce: ``` bin/test -a postgresql -w --seed 61689 test/cases/*test.rb -n "/^(?:InheritanceComputeTypeTest#(?:test_inheritance_new_with_subclass_as_default)|CalculationsTest#(?:test_pluck_loaded_relation))$/" # Running: .F Failure: CalculationsTest#test_pluck_loaded_relation [/home/yaginuma/program/rails/master_y_yagi/rails/activerecord/test/cases/calculations_test.rb:722]: 1 instead of 0 queries were executed. Queries: SELECT c.relname FROM pg_class c LEFT JOIN pg_namespace n ON n.oid = c.relnamespace WHERE n.nspname = ANY (current_schemas(false)) AND c.relname = 'companies' AND c.relkind IN ('r','v','m'). Expected: 0 Actual: 1 bin/test test/cases/calculations_test.rb:7 ```
* Merge pull request #26634 from kamipo/extract_numeric_dataRafael França2017-05-311-8/+1
|\ | | | | Extract `NumericData` model for tests
| * Extract `NumericData` model for testsRyuta Kamizono2016-09-271-8/+1
| | | | | | | | Currently `NumericData` model is defined some places.
* | Deprecate passing arguments and block at the same time to `count` and `sum` ↵Ryuta Kamizono2017-05-291-0/+12
| | | | | | | | | | | | | | | | in `ActiveRecord::Calculations` `select`, `count`, and `sum` in `Relation` are also `Enumerable` method that can be passed block. `select` with block already doesn't take arguments since 4fc3366. This is follow up of that.
* | Whitelist adapters that support aliases in `HAVING` clauseAndrew White2017-03-011-1/+1
| | | | | | | | | | | | Support for using `SELECT` column or expression aliases in the `HAVING` clause isn't part of the SQL standard so it's better to whitelist the test for adapters where we know it works and skip it on others.
* | Oracle database also does not allow aliases in the having clauseYasuo Honda2017-02-271-1/+1
| | | | | | | | Follow up #28183
* | Fix `test_apply_distinct_in_count` failure in PG adapterRyuta Kamizono2017-02-271-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ``` % ARCONN=postgresql be ruby -w -Itest test/cases/calculations_test.rb -n test_apply_distinct_in_count /Users/kamipo/src/github.com/rails/rails/activesupport/lib/active_support/core_ext/enumerable.rb:20: warning: method redefined; discarding old sum Using postgresql Run options: -n test_apply_distinct_in_count --seed 27731 F Finished in 0.163682s, 6.1094 runs/s, 30.5470 assertions/s. 1) Failure: CalculationsTest#test_apply_distinct_in_count [test/cases/calculations_test.rb:238]: Expected /\ASELECT(?! DISTINCT) COUNT\(DISTINCT\b/ to match "SHOW max_identifier_length". 1 runs, 5 assertions, 1 failures, 0 errors, 0 skips ``` https://travis-ci.org/rails/rails/jobs/205493811#L1933 https://travis-ci.org/rails/rails/jobs/205496299#L1562 https://travis-ci.org/rails/rails/jobs/205514765#L1562
* | Include selects in group query with having clauseEugene Kenny2017-02-261-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | When a grouped calculation contains a having clause that references a selected value, we need to include that selected value in the query. Postgres doesn't support referencing a selected value in a having clause, but other databases do; we can skip the test on the pg adapter but run it for the others. This was fixed before in 9a298a162c16e019fe6971e563e7f4916e86ced6, but the test coverage was lost in 5a05207d99b7e2678f9b42db2d9ffc21ec2c8c3b. The fix regressed in 6311975fb3c02f50730fd1e11b8dba8dd9c05306 and was removed in 97d46c17ea9113b0ce970167f5208c8d9170915c.
* | Suppress `DISTINCT` clause outside aggregate functionRyuta Kamizono2017-02-251-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | `DISTINCT` clause is applied inside aggregate function by `operation_over_aggregate_column` if needed. Unneeded outside aggregate function. ```ruby # Before author.unique_categorized_posts.count # => SELECT DISTINCT COUNT(DISTINCT "posts"."id") FROM "posts" INNER JOIN "categorizations" ON "posts"."id" = "categorizations"."post_id" WHERE "categorizations"."author_id" = ? [["author_id", 2]] # After author.unique_categorized_posts.count # => SELECT COUNT(DISTINCT "posts"."id") FROM "posts" INNER JOIN "categorizations" ON "posts"."id" = "categorizations"."post_id" WHERE "categorizations"."author_id" = ? [["author_id", 2]] ``` Closes #27615
* | Revert "Remove useless `column_alias` in `subquery_for_count`"Ryuta Kamizono2017-02-071-1/+0
| | | | | | | | This reverts commit 28977f1fa3d7b15c1608174a165e60b71ddf3995.
* | Remove useless `column_alias` in `subquery_for_count`Ryuta Kamizono2017-02-061-2/+3
| | | | | | | | | | | | | | | | | | If select clause is specified and last column has a column alias, additional column alias causes a statement invalid. Add test coverage for counting a single column with NULL values. Fixes #27676, #27682, and #27705.
* | Require "models/post" before "models/comment"Yasuo Honda2017-01-041-1/+1
| | | | | | | | Refer a similar pull request #26370
* | Remove deprecated `#uniq`, `#uniq!`, and `#uniq_value`Ryuta Kamizono2016-12-301-4/+0
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* | Add more rubocop rules about whitespacesRafael Mendonça França2016-10-291-6/+6
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* improve error message when include assertions failMichael Grosser2016-09-161-4/+4
| | | | | | assert [1, 3].includes?(2) fails with unhelpful "Asserting failed" message assert_includes [1, 3], 2 fails with "Expected [1, 3] to include 2" which makes it easier to debug and more obvious what went wrong
* Add three new rubocop rulesRafael Mendonça França2016-08-161-2/+2
| | | | | | | | Style/SpaceBeforeBlockBraces Style/SpaceInsideBlockBraces Style/SpaceInsideHashLiteralBraces Fix all violations in the repository.
* modernizes hash syntax in activerecordXavier Noria2016-08-061-18/+18
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* applies new string literal convention in activerecord/testXavier Noria2016-08-061-88/+88
| | | | | The current code base is not uniform. After some discussion, we have chosen to go with double quotes by default.
* Fix Active Record test failureRyuta Kamizono2016-07-121-3/+2
| | | | Caused at a45363a2fb53e0a016f33dd211c00b5d81764379.
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