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Author SHA1 Message Date
Alex 5768bf3622 First implementation of K2V (#293) 
**Specification:**

View spec at [this URL](https://git.deuxfleurs.fr/Deuxfleurs/garage/src/branch/k2v/doc/drafts/k2v-spec.md)

- [x] Specify the structure of K2V triples
- [x] Specify the DVVS format used for causality detection
- [x] Specify the K2V index (just a counter of number of values per partition key)
- [x] Specify single-item endpoints: ReadItem, InsertItem, DeleteItem
- [x] Specify index endpoint: ReadIndex
- [x] Specify multi-item endpoints: InsertBatch, ReadBatch, DeleteBatch
- [x] Move to JSON objects instead of tuples
- [x] Specify endpoints for polling for updates on single values (PollItem)

**Implementation:**

- [x] Table for K2V items, causal contexts
- [x] Indexing mechanism and table for K2V index
- [x] Make API handlers a bit more generic
- [x] K2V API endpoint
- [x] K2V API router
- [x] ReadItem
- [x] InsertItem
- [x] DeleteItem
- [x] PollItem
- [x] ReadIndex
- [x] InsertBatch
- [x] ReadBatch
- [x] DeleteBatch

**Testing:**

- [x] Just a simple Python script that does some requests to check visually that things are going right (does not contain parsing of results or assertions on returned values)
- [x] Actual tests:
  - [x] Adapt testing framework
  - [x] Simple test with InsertItem + ReadItem
  - [x] Test with several Insert/Read/DeleteItem + ReadIndex
  - [x] Test all combinations of return formats for ReadItem
  - [x] Test with ReadBatch, InsertBatch, DeleteBatch
  - [x] Test with PollItem
  - [x] Test error codes
- [ ] Fix most broken stuff
  - [x] test PollItem broken randomly
  - [x] when invalid causality tokens are given, errors should be 4xx not 5xx

**Improvements:**

- [x] Descending range queries
  - [x] Specify
  - [x] Implement
  - [x] Add test
- [x] Batch updates to index counter
- [x] Put K2V behind `k2v` feature flag

Co-authored-by: Alex Auvolat <alex@adnab.me>
Reviewed-on: Deuxfleurs/garage#293
Co-authored-by: Alex <alex@adnab.me>
Co-committed-by: Alex <alex@adnab.me>
 2022-05-10 13:16:57 +02:00
Alex 077dd1cde9
Clippy 2022-03-23 10:25:39 +01:00
Alex c1d9854d2c
Move block manager to separate module 2022-03-23 10:25:15 +01:00
Alex 8f6026de5e
Make table name a const in trait 2021-12-15 15:39:10 +01:00
Trinity Pointard e4b9e4e24d
rename types to CamelCase 2021-05-03 22:15:09 +02:00
Trinity Pointard 4a1e079e8f
fix clippy warnings on model 2021-05-03 22:11:41 +02:00
Alex 119217f9f6
change a few comments 2021-04-27 16:53:47 +02:00
Trinity Pointard 74373aebcf
make most requested changes 2021-04-27 16:47:08 +02:00
Trinity Pointard 67585a4ffa
attempt at documenting model crate 2021-04-27 16:37:10 +02:00
Alex c475471e7a Implement table gc, currently for block_ref and version only 2021-03-12 19:57:37 +01:00
Alex f319a7d374 Refactor model stuff, including cleaner CRDTs 2021-03-10 16:21:56 +01:00
Alex bf25c95fe2 Make updated() be a sync function that doesn't fail 2021-02-23 20:25:15 +01:00
Alex e9fd265ce6 Slight refactoring to make things clearer with DeletedFilter 2020-11-20 20:11:04 +01:00
Alex bec26a1312 Rename garage_core to garage_model 2020-07-07 13:59:22 +02:00
Renamed from src/core/block_ref_table.rs (Browse further)