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Update 02841_parquet_filter_pushdown reference for nullable min/max pruning #2822

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Merged
filimonov merged 1 commit into from
Nov 10, 2026
+7 −7
Merged

Update 02841_parquet_filter_pushdown reference for nullable min/max pruning #2822

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8 changes: 4 additions & 4 deletions tests/queries/0_stateless/02841_parquet_filter_pushdown.reference
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Expand Up @@ -73,14 +73,14 @@ mostly_null_lc Nullable(String)
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# Settings that affect the table schema or contents
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# Bad type conversions
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6 changes: 3 additions & 3 deletions tests/queries/0_stateless/02841_parquet_filter_pushdown.sql
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Expand Up @@ -119,7 +119,7 @@ select count(), sum(number) from file('02841.parquet') where indexHint(never_nul
select count(), sum(number) from file('02841.parquet') where indexHint(never_null_lc > 850);
select count(), sum(number) from file('02841.parquet') where indexHint(never_null < 150);
select count(), sum(number) from file('02841.parquet') where indexHint(never_null_lc < 150);
-- Quirk with infinities: this reads too much because KeyCondition represents NULLs as infinities.
-- NULLs do not widen the min/max range: a nullable column prunes like a non-nullable one when NULL cannot satisfy the predicate.
select count(), sum(number) from file('02841.parquet') where indexHint(sometimes_null < 150);
select count(), sum(number) from file('02841.parquet') where indexHint(sometimes_null_lc < 150);

Expand All @@ -131,11 +131,11 @@ insert into function file('02841.parquet') select
if(number%234 == 0, NULL, 'I am a string') as string_or_null
from numbers(1000);

select count(), sum(number) from file('02841.parquet') where indexHint(positive_or_null < 50); -- quirk with infinities
select count(), sum(number) from file('02841.parquet') where indexHint(positive_or_null < 50);
select count(), sum(number) from file('02841.parquet', Parquet, 'number UInt64, positive_or_null UInt64') where indexHint(positive_or_null < 50);
select count(), sum(number) from file('02841.parquet') where indexHint(negative_or_null > -50);
select count(), sum(number) from file('02841.parquet', Parquet, 'number UInt64, negative_or_null Int64') where indexHint(negative_or_null > -50);
select count(), sum(number) from file('02841.parquet') where indexHint(string_or_null == ''); -- quirk with infinities
select count(), sum(number) from file('02841.parquet') where indexHint(string_or_null == '');

-- Parquet index analysis doesn't support empty() function yet
select count(), sum(number) from file('02841.parquet', Parquet, 'number UInt64, string_or_null String') where indexHint(string_or_null == '') settings optimize_empty_string_comparisons = 0;
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