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72 lines
3.5 KiB
Markdown
72 lines
3.5 KiB
Markdown
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# Schema
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## Table: _migrations_
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Used by db-migrate module to keep track of migrations.
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| NAME | TYPE | SIZE | NULLABLE | COLUMN_DEF |
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| ----------- | --------- | ----------- | -------- | -------------------------------------- |
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| id | serial | 10 | 0 | nextval('migrations_id_seq'::regclass) |
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| name | varchar | 255 | 0 | (null) |
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| run_on | timestamp | 29 | 0 | (null) |
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## Table: _events_
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| NAME | TYPE | SIZE | NULLABLE | COLUMN_DEF |
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| ----------- | --------- | ----------- | -------- | ---------------------------------- |
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| id | serial | 10 | 0 | nextval('events_id_seq'::regclass) |
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| created_at | timestamp | 29 | 1 | now() |
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| type | varchar | 255 | 0 | (null) |
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| created_by | varchar | 255 | 0 | (null) |
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| data | json | 2147483647 | 1 | (null) |
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## Table: _strategies_loc
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| NAME | TYPE | SIZE | NULLABLE | COLUMN_DEF |
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| ------------------- | --------- | ----------- | -------- | ---------- |
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| created_at | timestamp | 29 | 1 | now() |
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| name | varchar | 255 | 0 | (null) |
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| description | text | 2147483647 | 1 | (null) |
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| parameters_template | json | 2147483647 | 1 | (null) |
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## Table: _features_
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| **NAME** | **TYPE** | **SIZE** | **NULLABLE** | **COLUMN_DEF** | **COMMENT** |
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| ------------- | --------- | ----------- | ------------ | -------------- | ----------- |
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| created_at | timestamp | 29 | 1 | now() | |
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| name | varchar | 255 | 0 | (null) | |
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| enabled | int4 | 10 | 1 | 0 | |
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| description | text | 2147483647 | 1 | (null) | |
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| archived | int4 | 10 | 1 | 0 | |
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| parameters | json | 2147483647 | 1 | (null) | deprecated (*) |
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| strategy_name | varchar | 255 | 1 | (null) | deprecated (*) |
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| strategies | json | 2147483647 | 1 | (null) | |
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(*) we migrated from `parmaters` and `strategy_name` to `strategies` which should contain an array of these.
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For [aggregate strategies](https://github.com/finn-no/unleash/issues/102) we had the following sql to migrate to the strategies column:
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```sql
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ALTER TABLE features ADD "strategies" json;
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--populate the strategies column
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UPDATE features
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SET strategies = ('[{"name":"'||f.strategy_name||'","parameters":'||f.parameters||'}]')::json
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FROM features as f
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WHERE f.name = features.name;
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```
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In order to migrate back, one can use the following sql (it will loose all, but the first activation strategy):
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```sql
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UPDATE features
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SET strategy_name = f.strategies->0->>'name',
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parameters = f.strategies->0->'parameters'
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FROM features as f
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WHERE f.name = features.name;
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ALTER TABLE features DROP COLUMN "strategies";
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```
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