adriangb commented on PR #12606:
URL: https://github.com/apache/datafusion/pull/12606#issuecomment-2374862591
> I don't fully understand what a_point_lookup_column @> '{abc}'::text[]
Basically I want to take the predicate `a_point_lookup_column = 'abc'` and
transform that into a filter in my index.
I've chosen to store this is `a_point_lookup_column_distinct text[]` for the
case of a `UTF8` column called `a_point_lookup_column`. This column is then
stored alongside other stats columns so you end up with something like
`(file_path text, row_group int, a_stats_column_min double, a_stats_column_max
double, a_stats_column_null_count int, a_point_lookup_column_distinct text[])`.
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