struct ColumnMetrics<T: Default> {Show 14 fields
total_bytes_written: u64,
total_rows_written: u64,
total_uncompressed_size: u64,
total_compressed_size: u64,
total_num_values: u64,
dictionary_page_offset: Option<u64>,
data_page_offset: Option<u64>,
min_column_value: Option<T>,
max_column_value: Option<T>,
num_column_nulls: u64,
column_distinct_count: Option<u64>,
variable_length_bytes: Option<i64>,
repetition_level_histogram: Option<LevelHistogram>,
definition_level_histogram: Option<LevelHistogram>,
}Fields§
§total_bytes_written: u64§total_rows_written: u64§total_uncompressed_size: u64§total_compressed_size: u64§total_num_values: u64§dictionary_page_offset: Option<u64>§data_page_offset: Option<u64>§min_column_value: Option<T>§max_column_value: Option<T>§num_column_nulls: u64§column_distinct_count: Option<u64>§variable_length_bytes: Option<i64>§repetition_level_histogram: Option<LevelHistogram>§definition_level_histogram: Option<LevelHistogram>Implementations§
Source§impl<T: Default> ColumnMetrics<T>
impl<T: Default> ColumnMetrics<T>
fn new() -> Self
Sourcefn with_repetition_level_histogram(self, max_level: i16) -> Self
fn with_repetition_level_histogram(self, max_level: i16) -> Self
Initialize the repetition level histogram
Sourcefn with_definition_level_histogram(self, max_level: i16) -> Self
fn with_definition_level_histogram(self, max_level: i16) -> Self
Initialize the definition level histogram
Sourcefn update_histogram(
chunk_histogram: &mut Option<LevelHistogram>,
page_histogram: &Option<LevelHistogram>,
)
fn update_histogram( chunk_histogram: &mut Option<LevelHistogram>, page_histogram: &Option<LevelHistogram>, )
Sum page_histogram into chunk_histogram
Sourcefn update_from_page_metrics(&mut self, page_metrics: &PageMetrics)
fn update_from_page_metrics(&mut self, page_metrics: &PageMetrics)
Sum the provided PageMetrics histograms into the chunk histograms. Does nothing if page histograms are not initialized.
Sourcefn update_variable_length_bytes(&mut self, variable_length_bytes: Option<i64>)
fn update_variable_length_bytes(&mut self, variable_length_bytes: Option<i64>)
Sum the provided page variable_length_bytes into the chunk variable_length_bytes
Trait Implementations§
Auto Trait Implementations§
impl<T> Freeze for ColumnMetrics<T>where
T: Freeze,
impl<T> RefUnwindSafe for ColumnMetrics<T>where
T: RefUnwindSafe,
impl<T> Send for ColumnMetrics<T>where
T: Send,
impl<T> Sync for ColumnMetrics<T>where
T: Sync,
impl<T> Unpin for ColumnMetrics<T>where
T: Unpin,
impl<T> UnwindSafe for ColumnMetrics<T>where
T: UnwindSafe,
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read more