Variant Support - Accessing and Indexing

[tomijaga]

Related to #8:

• Index on variant fields
• Index on a field nested in a variant

[github-actions]

Benchmark Results

Benchmark files:
• bench/txs.bench.mo

==================================================

Starting dfx replica...
Deploying canisters...

——————————————————————————————————————————————————

Running bench/txs.bench.mo...

| insert with 5 indexes | 224 MiB |
0 B |
| btype == '1mint' | 0 B |
0 B |
| btype == '1xfer' or '2xfer' | 0 B |
0 B |
| principals[0] == tx.to.owner (is recipient) | 0 B |
0 B |
| principals[0..10] == tx.to.owner (is recipient) | 0 B |
0 B |
| 250 < tx.amt <= 400 | 0 B |
0 B |
| btype == 1burn and tx.amt >= 750 | 0 B |
0 B |

Garbage Collection

| | (full scan, -> array) | (ind
ex intersection, -> array) |
| :---------------------------------------------- | --------------------: | ----
-------------------------: |
| insert | 187.89 MiB |
0 B |
| clear | 0 B |
0 B |
| insert with 5 indexes | 795.88 MiB |
0 B |
| btype == '1mint' | 0 B |
0 B |
| btype == '1xfer' or '2xfer' | 0 B |
29.96 MiB |
| principals[0] == tx.to.owner (is recipient) | 0 B |
0 B |
| principals[0..10] == tx.to.owner (is recipient) | 0 B |
0 B |
| 250 < tx.amt <= 400 | 0 B |
0 B |
| btype == 1burn and tx.amt >= 750 | 27.88 MiB |
0 B |

Stopping replica...