siddharthteotia commented on code in PR #9826:
URL: https://github.com/apache/pinot/pull/9826#discussion_r1027762638
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pinot-query-runtime/src/test/resources/queries/WithStatements.json:
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@@ -0,0 +1,81 @@
+{
+ "with_statement_tests": {
+ "psql": "7.8.1",
+ "tables": {
+ "tbl1": {
+ "schema": [
+ {"name": "strCol", "type": "STRING"},
+ {"name": "intCol", "type": "INT"}
+ ],
+ "inputs": [
+ ["a", 3],
+ ["b", 2],
+ ["c", 5],
+ ["a", 1]
+ ]
+ },
+ "tbl2": {
+ "schema": [
+ {"name": "strCol1", "type": "STRING"},
+ {"name": "strCol2", "type": "STRING"},
+ {"name": "intCol", "type": "INT"}
+ ],
+ "inputs": [
+ ["a", "foo", 1],
+ ["a", "bar", 2],
+ ["b", "alice", 42],
+ ["b", "bob", 196883]
+ ]
+ }
+ },
+ "queries": [
+ {
+ "description": "single with with group by",
+ "sql": "WITH w AS ( SELECT strCol, SUM(intCol) AS sumRes FROM {tbl1}
GROUP BY strCol ) SELECT strCol, strCol2, sumRes FROM w JOIN {tbl2} ON w.strCol
= {tbl2}.strCol1",
Review Comment:
Can we also add one example for transform inside agg. ?
Here is a useful example in the context of a non JOIN query...
```
WITH metricResult AS (
SELECT
groupCol1,
groupCol2,
SUM(c1 * c2) AS metric
FROM T
GROUP BY groupCol1, groupCol2
)
SELECT
groupCol1,
MAX(metricResult.metric)
FROM metricResult
GROUP BY groupCol1
ORDER BY MAX(metricResult.metric) DESC
```
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