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parquet Statistics - deprecate has_* APIs and add _opt functions that return Option<T> #6216

Merged
merged 24 commits into from
Aug 15, 2024
Merged

parquet Statistics - deprecate has_* APIs and add _opt functions that return Option<T> #6216

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fd2ac15
update public api Statistics::min to return an option.
Michael-J-Ward Aug 9, 2024
18b467b
update public api Statistics::max to return an option.
Michael-J-Ward Aug 9, 2024
7ffac1a
cargo fmt
Michael-J-Ward Aug 9, 2024
87c375a
remove Statistics::has_min_max_set from the public api
Michael-J-Ward Aug 9, 2024
6950994
update impl HeapSize for ValueStatistics to use new min and max api
Michael-J-Ward Aug 9, 2024
c65a773
migrate all tests to new Statistics min and max api
Michael-J-Ward Aug 9, 2024
89ea21d
make Statistics::null_count return Option<u64>
Michael-J-Ward Aug 9, 2024
f2785f8
update expected metadata memory size tests
Michael-J-Ward Aug 9, 2024
9a4921f
add TODO question on is_min_max_backwards_compatible
Michael-J-Ward Aug 9, 2024
7e082a7
Apply suggestions from code review
Michael-J-Ward Aug 13, 2024
ddd8498
update ValueStatistics::max docs
Michael-J-Ward Aug 13, 2024
e92321b
rename new optional ValueStatistics::max to max_opt
Michael-J-Ward Aug 13, 2024
e4db777
rename new optional ValueStatistics::min to min_opt
Michael-J-Ward Aug 13, 2024
bd83a38
add Statistics:{min,max}_bytes_opt
Michael-J-Ward Aug 13, 2024
4e2909b
update make_stats_iterator macro to use *_opt methods
Michael-J-Ward Aug 14, 2024
2f3e21e
deprecate non *_opt Statistics and ValueStatistics methods
Michael-J-Ward Aug 14, 2024
050ba89
remove stale TODO comments
Michael-J-Ward Aug 14, 2024
fc0ed20
remove has_min_max_set check from make_decimal_stats_iterator
Michael-J-Ward Aug 14, 2024
2366942
deprecate has_min_max_set
Michael-J-Ward Aug 14, 2024
82b40b8
switch to null_count_opt and reintroduce deprecated null_count and ha…
Michael-J-Ward Aug 14, 2024
3efc631
remove redundant test assertions of stats._internal_has_min_max_set
Michael-J-Ward Aug 14, 2024
a23cf8b
replace negated test assertions of stats._internal_has_mix_max_set wi…
Michael-J-Ward Aug 14, 2024
7d4e650
Revert changes to parquet writing, update comments
alamb Aug 15, 2024
48a35d3
Merge remote-tracking branch 'apache/master' into parquet-has-min-max
alamb Aug 15, 2024
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68 changes: 54 additions & 14 deletions parquet/src/arrow/arrow_reader/statistics.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -131,24 +131,64 @@ macro_rules! make_stats_iterator {

make_stats_iterator!(
MinBooleanStatsIterator,
min,
min_unchecked,
ParquetStatistics::Boolean,
bool
);
make_stats_iterator!(
MaxBooleanStatsIterator,
max,
max_unchecked,
ParquetStatistics::Boolean,
bool
);
make_stats_iterator!(MinInt32StatsIterator, min, ParquetStatistics::Int32, i32);
make_stats_iterator!(MaxInt32StatsIterator, max, ParquetStatistics::Int32, i32);
make_stats_iterator!(MinInt64StatsIterator, min, ParquetStatistics::Int64, i64);
make_stats_iterator!(MaxInt64StatsIterator, max, ParquetStatistics::Int64, i64);
make_stats_iterator!(MinFloatStatsIterator, min, ParquetStatistics::Float, f32);
make_stats_iterator!(MaxFloatStatsIterator, max, ParquetStatistics::Float, f32);
make_stats_iterator!(MinDoubleStatsIterator, min, ParquetStatistics::Double, f64);
make_stats_iterator!(MaxDoubleStatsIterator, max, ParquetStatistics::Double, f64);
make_stats_iterator!(
MinInt32StatsIterator,
min_unchecked,
ParquetStatistics::Int32,
i32
);
make_stats_iterator!(
MaxInt32StatsIterator,
max_unchecked,
ParquetStatistics::Int32,
i32
);
make_stats_iterator!(
MinInt64StatsIterator,
min_unchecked,
ParquetStatistics::Int64,
i64
);
make_stats_iterator!(
MaxInt64StatsIterator,
max_unchecked,
ParquetStatistics::Int64,
i64
);
make_stats_iterator!(
MinFloatStatsIterator,
min_unchecked,
ParquetStatistics::Float,
f32
);
make_stats_iterator!(
MaxFloatStatsIterator,
max_unchecked,
ParquetStatistics::Float,
f32
);
make_stats_iterator!(
MinDoubleStatsIterator,
min_unchecked,
ParquetStatistics::Double,
f64
);
make_stats_iterator!(
MaxDoubleStatsIterator,
max_unchecked,
ParquetStatistics::Double,
f64
);
make_stats_iterator!(
MinByteArrayStatsIterator,
min_bytes,
Michael-J-Ward marked this conversation as resolved.
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Expand Down Expand Up @@ -244,28 +284,28 @@ macro_rules! make_decimal_stats_iterator {

make_decimal_stats_iterator!(
MinDecimal128StatsIterator,
min,
min_unchecked,
min_bytes,
i128,
from_bytes_to_i128
);
make_decimal_stats_iterator!(
MaxDecimal128StatsIterator,
max,
max_unchecked,
max_bytes,
i128,
from_bytes_to_i128
);
make_decimal_stats_iterator!(
MinDecimal256StatsIterator,
min,
min_unchecked,
min_bytes,
i256,
from_bytes_to_i256
);
make_decimal_stats_iterator!(
MaxDecimal256StatsIterator,
max,
max_unchecked,
max_bytes,
i256,
from_bytes_to_i256
Expand Down
28 changes: 20 additions & 8 deletions parquet/src/arrow/arrow_writer/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2543,8 +2543,14 @@ mod tests {
let stats = column.statistics().unwrap();
assert!(stats.has_min_max_set());
if let Statistics::Int32(stats) = stats {
assert_eq!(*stats.min() as u32, *src_slice.iter().min().unwrap());
assert_eq!(*stats.max() as u32, *src_slice.iter().max().unwrap());
assert_eq!(
*stats.min().unwrap() as u32,
*src_slice.iter().min().unwrap()
);
assert_eq!(
*stats.max().unwrap() as u32,
*src_slice.iter().max().unwrap()
);
} else {
panic!("Statistics::Int32 missing")
}
Expand Down Expand Up @@ -2584,8 +2590,14 @@ mod tests {
let stats = column.statistics().unwrap();
assert!(stats.has_min_max_set());
if let Statistics::Int64(stats) = stats {
assert_eq!(*stats.min() as u64, *src_slice.iter().min().unwrap());
assert_eq!(*stats.max() as u64, *src_slice.iter().max().unwrap());
assert_eq!(
*stats.min().unwrap() as u64,
*src_slice.iter().min().unwrap()
);
assert_eq!(
*stats.max().unwrap() as u64,
*src_slice.iter().max().unwrap()
);
} else {
panic!("Statistics::Int64 missing")
}
Expand Down Expand Up @@ -3069,8 +3081,8 @@ mod tests {

// Column chunk of column "a" should have chunk level statistics
if let Statistics::ByteArray(byte_array_stats) = a_col.statistics().unwrap() {
let min = byte_array_stats.min();
let max = byte_array_stats.max();
let min = byte_array_stats.min().unwrap();
let max = byte_array_stats.max().unwrap();

assert_eq!(min.as_bytes(), &[b'a']);
assert_eq!(max.as_bytes(), &[b'd']);
Expand Down Expand Up @@ -3141,8 +3153,8 @@ mod tests {

// Column chunk of column "a" should have chunk level statistics
if let Statistics::ByteArray(byte_array_stats) = a_col.statistics().unwrap() {
let min = byte_array_stats.min();
let max = byte_array_stats.max();
let min = byte_array_stats.min().unwrap();
let max = byte_array_stats.max().unwrap();

assert_eq!(min.as_bytes(), &[b'a']);
assert_eq!(max.as_bytes(), &[b'd']);
Expand Down
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