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Module display

Module display

Expand description

Functions for printing array values as human-readable strings.

This is often used for debugging or logging purposes.

See the pretty crate for additional functions for record batch pretty printing.

Re-exports§

use std::fmt::Debug; 🔒
use std::fmt::Debug; 🔒
use std::fmt::Display; 🔒
use std::fmt::Formatter; 🔒
use std::fmt::Write; 🔒
use std::hash::Hash; 🔒
use std::hash::Hash; 🔒
use std::hash::Hasher; 🔒
use std::ops::Range; 🔒
use arrow_array::timezone::Tz; 🔒
use arrow_buffer::ArrowNativeType; 🔒
use arrow_data::decimal::write_decimal; 🔒
use chrono::format::Item; 🔒
use chrono::format::StrftimeItems; 🔒
use chrono::NaiveDate; 🔒
use chrono::NaiveDateTime; 🔒
use chrono::Offset; 🔒
use chrono::SecondsFormat; 🔒
use chrono::TimeZone; 🔒
use chrono::Utc; 🔒
use lexical_core::FormattedSize; 🔒
use arrow_array::cast::*; 🔒
use arrow_array::temporal_conversions::*; 🔒
use arrow_array::types::*; 🔒
use arrow_array::*; 🔒
use arrow_schema::*; 🔒

Macros§

decimal_display 🔒
duration_display 🔒: Derive DisplayIndexState for PrimitiveArray<$t>
duration_fmt 🔒
duration_option_display 🔒: Similar to duration_display but $convert returns an Option
primitive_display 🔒
primitive_display_float 🔒
temporal_display 🔒
timestamp_display 🔒

Structs§

ArrayFormat 🔒
ArrayFormatter: A string formatter for an [Array]
CompiledItems 🔒
FormatOptions: Options for formatting arrays
MillisecondsFormatter 🔒
NanosecondsFormatter 🔒
ValueFormatter: Implements Display for a specific array value

Enums§

CompiledTimeFormat 🔒
DurationFormat: Format for displaying durations
FormatError: Either an [ArrowError] or std::fmt::Error

Traits§

ArrayFormatterFactory: Allows creating a new ArrayFormatter for a given [Array] and an optional [Field].
DisplayIndex: Display but accepting an index
DisplayIndexState 🔒: DisplayIndex with additional state

Functions§

array_format 🔒
array_value_to_string: Get the value at the given row in an array as a String.
date32_to_date 🔒
lexical_to_string: Converts numeric type to a String
make_array_formatter 🔒: Used to create a new ArrayFormatter from the given array, while also checking whether there is an override available in the ArrayFormatterFactory.
make_default_display_index 🔒
write_list 🔒
write_timestamp 🔒

Type Aliases§

FieldDisplay 🔒: Pairs an ArrayFormatter with its field name
FormatResult: The result of formatting an array element via DisplayIndex::write.
TimeFormat 🔒