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https://github.com/willnet/activerecord-bitemporal-sample20190829
https://github.com/willnet/activerecord-bitemporal-sample20190829
Last synced: 2 months ago
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- Host: GitHub
- URL: https://github.com/willnet/activerecord-bitemporal-sample20190829
- Owner: willnet
- Created: 2019-08-29T08:34:35.000Z (over 5 years ago)
- Default Branch: master
- Last Pushed: 2023-01-19T14:34:08.000Z (almost 2 years ago)
- Last Synced: 2023-04-10T16:13:42.852Z (almost 2 years ago)
- Language: Ruby
- Size: 45.9 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 9
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# README
```sh
./bin/setup
./bin/rails c
```
```ruby
a = A.new
b = B.new(name: '1')
a.b = b
a.save
a2 = a.dup
a2.b.update(name: '2')
a.b.valid? #=> false
```
```
irb(main):001:0> a = A.new
=> #
irb(main):002:0> b = B.new(name: 'b1')
=> #
irb(main):003:0> a.b = b
=> #
irb(main):004:0> a.save
(0.1ms) begin transaction
(0.1ms) SAVEPOINT active_record_1
(0.2ms) SELECT "bs"."id" FROM "bs" WHERE "bs"."valid_from" <= '2019-08-29 05:18:52.784921' AND "bs"."valid_to" > '2019-08-29 05:18:52.784921' AND "bs"."deleted_at" IS NULL AND "bs"."bitemporal_id" IS NULL
B Create (0.4ms) INSERT INTO "bs" ("name", "valid_from", "valid_to", "created_at", "updated_at") VALUES (?, ?, ?, ?, ?) [["name", "b1"], ["valid_from", "2019-08-29 05:18:52.787151"], ["valid_to", "9999-12-31 00:00:00"], ["created_at", "2019-08-29 05:18:52.787240"], ["updated_at", "2019-08-29 05:18:52.787240"]]
B Update (0.1ms) UPDATE "bs" SET "bitemporal_id" = ? WHERE "bs"."id" = ? [["bitemporal_id", 1], ["id", 1]]
(0.0ms) RELEASE SAVEPOINT active_record_1
A Create (0.1ms) INSERT INTO "as" ("b_id", "created_at", "updated_at") VALUES (?, ?, ?) [["b_id", 1], ["created_at", "2019-08-29 05:18:52.789732"], ["updated_at", "2019-08-29 05:18:52.789732"]]
(6.5ms) commit transaction
=> true
irb(main):005:0> a2 = a.dup
=> #
irb(main):006:0> a2.b.update(name: 'b2')
B Load (0.2ms) SELECT "bs".* FROM "bs" WHERE "bs"."valid_from" <= '2019-08-29 05:19:07.132997' AND "bs"."valid_to" > '2019-08-29 05:19:07.132997' AND "bs"."deleted_at" IS NULL AND "bs"."bitemporal_id" = ? LIMIT ? [["bitemporal_id", 1], ["LIMIT", 1]]
(0.0ms) begin transaction
(0.0ms) SAVEPOINT active_record_1
(0.1ms) SELECT "bs"."id" FROM "bs" WHERE "bs"."valid_from" <= '2019-08-29 05:19:07.135723' AND "bs"."valid_to" > '2019-08-29 05:19:07.135723' AND "bs"."deleted_at" IS NULL AND "bs"."bitemporal_id" = ? [["bitemporal_id", 1]]
B Exists (0.1ms) SELECT 1 AS one FROM "bs" WHERE "bs"."deleted_at" IS NULL AND "bs"."bitemporal_id" = ? AND "bs"."id" != ? AND (valid_from < '9999-12-31 00:00:00') AND ('2019-08-29 05:19:07.136545' < valid_to) AND "bs"."id" != ? LIMIT ? [["bitemporal_id", 1], ["id", 1], ["id", 1], ["LIMIT", 1]]
(0.0ms) SAVEPOINT active_record_2
B Load (0.1ms) SELECT "bs".* FROM "bs" WHERE "bs"."valid_from" <= '2019-08-29 05:19:07.138361' AND "bs"."valid_to" > '2019-08-29 05:19:07.138361' AND "bs"."deleted_at" IS NULL AND "bs"."bitemporal_id" = ? LIMIT ? [["bitemporal_id", 1], ["LIMIT", 1]]
B Update (0.3ms) UPDATE "bs" SET "deleted_at" = ? WHERE "bs"."id" = ? [["deleted_at", "2019-08-29 05:19:07.140102"], ["id", 1]]
(0.0ms) SAVEPOINT active_record_3
(0.1ms) SELECT "bs"."id" FROM "bs" WHERE "bs"."valid_from" <= '2019-08-29 05:19:07.141125' AND "bs"."valid_to" > '2019-08-29 05:19:07.141125' AND "bs"."deleted_at" IS NULL AND "bs"."bitemporal_id" IS NULL
B Create (0.2ms) INSERT INTO "bs" ("name", "bitemporal_id", "valid_from", "valid_to", "created_at", "updated_at") VALUES (?, ?, ?, ?, ?, ?) [["name", "b1"], ["bitemporal_id", 1], ["valid_from", "2019-08-29 05:18:52.787151"], ["valid_to", "2019-08-29 05:19:07.138361"], ["created_at", "2019-08-29 05:19:07.141687"], ["updated_at", "2019-08-29 05:19:07.141687"]]
(0.0ms) RELEASE SAVEPOINT active_record_3
(0.0ms) SAVEPOINT active_record_3
(0.1ms) SELECT "bs"."id" FROM "bs" WHERE "bs"."valid_from" <= '2019-08-29 05:19:07.142889' AND "bs"."valid_to" > '2019-08-29 05:19:07.142889' AND "bs"."deleted_at" IS NULL AND "bs"."bitemporal_id" IS NULL
B Create (0.1ms) INSERT INTO "bs" ("name", "bitemporal_id", "valid_from", "valid_to", "created_at", "updated_at") VALUES (?, ?, ?, ?, ?, ?) [["name", "b2"], ["bitemporal_id", 1], ["valid_from", "2019-08-29 05:19:07.138361"], ["valid_to", "9999-12-31 00:00:00"], ["created_at", "2019-08-29 05:19:07.143295"], ["updated_at", "2019-08-29 05:19:07.143295"]]
(0.0ms) RELEASE SAVEPOINT active_record_3
(0.1ms) RELEASE SAVEPOINT active_record_2
(0.0ms) RELEASE SAVEPOINT active_record_1
(0.9ms) commit transaction
=> true
irb(main):007:0> a.b.valid?
B Exists (0.2ms) SELECT 1 AS one FROM "bs" WHERE "bs"."deleted_at" IS NULL AND "bs"."bitemporal_id" = ? AND "bs"."id" != ? AND (valid_from < '9999-12-31 00:00:00') AND ('2019-08-29 05:19:12.668639' < valid_to) AND "bs"."id" != ? LIMIT ? [["bitemporal_id", 1], ["id", 1], ["id", 1], ["LIMIT", 1]]
=> false
```