Add initial sql aggregation implementation (#335)

partiql · Apr 10, 2023 · 17fd6e7 · 17fd6e7 · github-actions · Apr 10, 2023
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -19,6 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Implements `GROUP BY` operator in evaluator
 - Implements `HAVING` operator in evaluator
 - Implements `ORDER BY` operator in evaluator
+- Implements SQL Aggregation functions -- AVG, COUNT, MAX, MIN, SUM
 
 ### Fixes
 - Fixes Tuple value duplicate equality and hashing
Benchmark suite	Current: `17fd6e7`	Previous: `11e5623`	Ratio
`parse-1`	`6959` ns/iter (`± 118`)	`6625` ns/iter (`± 445`)	`1.05`
`parse-15`	`67651` ns/iter (`± 902`)	`63404` ns/iter (`± 2371`)	`1.07`
`parse-30`	`137684` ns/iter (`± 2259`)	`131598` ns/iter (`± 4452`)	`1.05`
`compile-1`	`5618` ns/iter (`± 118`)	`5102` ns/iter (`± 200`)	`1.10`
`compile-15`	`40914` ns/iter (`± 586`)	`38730` ns/iter (`± 1709`)	`1.06`
`compile-30`	`81308` ns/iter (`± 1989`)	`80080` ns/iter (`± 4153`)	`1.02`
`plan-1`	`22056` ns/iter (`± 533`)	`20802` ns/iter (`± 925`)	`1.06`
`plan-15`	`419242` ns/iter (`± 4841`)	`392209` ns/iter (`± 19124`)	`1.07`
`plan-30`	`839189` ns/iter (`± 19369`)	`812290` ns/iter (`± 23887`)	`1.03`
`eval-1`	`26300062` ns/iter (`± 650598`)	`24446318` ns/iter (`± 794110`)	`1.08`
`eval-15`	`136098701` ns/iter (`± 2210380`)	`133570961` ns/iter (`± 2766081`)	`1.02`
`eval-30`	`255607807` ns/iter (`± 4204209`)	`255661369` ns/iter (`± 4870536`)	`1.00`
`join`	`16780` ns/iter (`± 502`)	`16677` ns/iter (`± 473`)	`1.01`
`simple`	`5885` ns/iter (`± 132`)	`5979` ns/iter (`± 110`)	`0.98`
`simple-no`	`2459` ns/iter (`± 63`)	`2518` ns/iter (`± 78`)	`0.98`
`numbers`	`168` ns/iter (`± 4`)	`159` ns/iter (`± 4`)	`1.06`
`parse-simple`	`770` ns/iter (`± 17`)	`779` ns/iter (`± 27`)	`0.99`
`parse-ion`	`2896` ns/iter (`± 66`)	`2829` ns/iter (`± 103`)	`1.02`
`parse-group`	`9997` ns/iter (`± 141`)	`9935` ns/iter (`± 234`)	`1.01`
`parse-complex`	`25598` ns/iter (`± 421`)	`25353` ns/iter (`± 997`)	`1.01`
`parse-complex-fexpr`	`40720` ns/iter (`± 555`)	`38659` ns/iter (`± 1383`)	`1.05`