chryso 0.0.2

Chryso is a Calcite-style SQL parser + optimizer engine in Rust.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39

{
  "cases": {
    "agg_limit": {
      "logical_explain": [
        "LogicalTopN order_by=id asc limit=10",
        "  LogicalProject exprs=id, sum(amount)",
        "    LogicalAggregate group=id aggr=id, sum(amount)",
        "      LogicalFilter predicate=region = 'us'",
        "        LogicalScan table=sales"
      ],
      "physical_explain": [
        "TopN order_by=id asc limit=10",
        "  Project exprs=id, sum(amount)",
        "    Aggregate group=id aggr=id, sum(amount)",
        "      Project exprs=amount, id, region",
        "        Filter predicate=region = 'us'",
        "          TableScan table=sales"
      ]
    },
    "distinct_offset": {
      "logical_explain": [
        "LogicalLimit limit=None offset=Some(2)",
        "  LogicalSort order_by=id desc",
        "    LogicalDistinct",
        "      LogicalProject exprs=id",
        "        LogicalFilter predicate=id > 10",
        "          LogicalScan table=users"
      ],
      "physical_explain": [
        "Limit limit=None offset=Some(2)",
        "  Sort order_by=id desc",
        "    Distinct",
        "      Project exprs=id",
        "        Filter predicate=id > 10",
        "          TableScan table=users"
      ]
    }
  }
}