nikunjbhartia opened a new issue, #136:
URL: https://github.com/apache/datasketches-bigquery/issues/136
Query:
```
SELECT
group_key,
count(*) AS total_count,
bqutil.datasketches.kll_sketch_float_build_k(x, 250) AS kll_sketch
FROM (
SELECT
CONCAT("group_key_", CAST(RAND() * 100 AS INT64)) AS group_key,
RAND() AS x
FROM
UNNEST(GENERATE_ARRAY(1, 1000000))) as sample_data
GROUP BY group_key;
```
BQ Error:
`ReferenceError: sketch is not defined at
bqutil.datasketches.kll_sketch_float_build_k(FLOAT64, INT64) `
Potential issue:
https://github.com/apache/datasketches-bigquery/blob/main/kll/sqlx/kll_sketch_float_build_k.sqlx#L73C6-L73C38
`sketch.merge(state.serialized); `
sketch referenced without state
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