use crate::display::{ArrayFormatter, FormatOptions};
use arrow_array::{Array, ArrayRef, RecordBatch};
use arrow_schema::ArrowError;
use comfy_table::{Cell, Table};
use std::fmt::Display;
pub fn pretty_format_batches(results: &[RecordBatch]) -> Result<impl Display, ArrowError> {
let options = FormatOptions::default().with_display_error(true);
pretty_format_batches_with_options(results, &options)
}
pub fn pretty_format_batches_with_options(
results: &[RecordBatch],
options: &FormatOptions,
) -> Result<impl Display, ArrowError> {
create_table(results, options)
}
pub fn pretty_format_columns(
col_name: &str,
results: &[ArrayRef],
) -> Result<impl Display, ArrowError> {
let options = FormatOptions::default().with_display_error(true);
pretty_format_columns_with_options(col_name, results, &options)
}
pub fn pretty_format_columns_with_options(
col_name: &str,
results: &[ArrayRef],
options: &FormatOptions,
) -> Result<impl Display, ArrowError> {
create_column(col_name, results, options)
}
pub fn print_batches(results: &[RecordBatch]) -> Result<(), ArrowError> {
println!("{}", pretty_format_batches(results)?);
Ok(())
}
pub fn print_columns(col_name: &str, results: &[ArrayRef]) -> Result<(), ArrowError> {
println!("{}", pretty_format_columns(col_name, results)?);
Ok(())
}
fn create_table(results: &[RecordBatch], options: &FormatOptions) -> Result<Table, ArrowError> {
let mut table = Table::new();
table.load_preset("||--+-++| ++++++");
if results.is_empty() {
return Ok(table);
}
let schema = results[0].schema();
let mut header = Vec::new();
for field in schema.fields() {
header.push(Cell::new(field.name()));
}
table.set_header(header);
for batch in results {
let formatters = batch
.columns()
.iter()
.map(|c| ArrayFormatter::try_new(c.as_ref(), options))
.collect::<Result<Vec<_>, ArrowError>>()?;
for row in 0..batch.num_rows() {
let mut cells = Vec::new();
for formatter in &formatters {
cells.push(Cell::new(formatter.value(row)));
}
table.add_row(cells);
}
}
Ok(table)
}
fn create_column(
field: &str,
columns: &[ArrayRef],
options: &FormatOptions,
) -> Result<Table, ArrowError> {
let mut table = Table::new();
table.load_preset("||--+-++| ++++++");
if columns.is_empty() {
return Ok(table);
}
let header = vec![Cell::new(field)];
table.set_header(header);
for col in columns {
let formatter = ArrayFormatter::try_new(col.as_ref(), options)?;
for row in 0..col.len() {
let cells = vec![Cell::new(formatter.value(row))];
table.add_row(cells);
}
}
Ok(table)
}
#[cfg(test)]
mod tests {
use super::*;
use crate::display::array_value_to_string;
use arrow_array::builder::*;
use arrow_array::types::*;
use arrow_array::*;
use arrow_buffer::Buffer;
use arrow_schema::*;
use half::f16;
use std::fmt::Write;
use std::sync::Arc;
#[test]
fn test_pretty_format_batches() {
let schema = Arc::new(Schema::new(vec![
Field::new("a", DataType::Utf8, true),
Field::new("b", DataType::Int32, true),
]));
let batch = RecordBatch::try_new(
schema,
vec![
Arc::new(array::StringArray::from(vec![
Some("a"),
Some("b"),
None,
Some("d"),
])),
Arc::new(array::Int32Array::from(vec![
Some(1),
None,
Some(10),
Some(100),
])),
],
)
.unwrap();
let table = pretty_format_batches(&[batch]).unwrap().to_string();
let expected = vec![
"+---+-----+",
"| a | b |",
"+---+-----+",
"| a | 1 |",
"| b | |",
"| | 10 |",
"| d | 100 |",
"+---+-----+",
];
let actual: Vec<&str> = table.lines().collect();
assert_eq!(expected, actual, "Actual result:\n{table}");
}
#[test]
fn test_pretty_format_columns() {
let columns = vec![
Arc::new(array::StringArray::from(vec![
Some("a"),
Some("b"),
None,
Some("d"),
])) as ArrayRef,
Arc::new(array::StringArray::from(vec![Some("e"), None, Some("g")])),
];
let table = pretty_format_columns("a", &columns).unwrap().to_string();
let expected = vec![
"+---+", "| a |", "+---+", "| a |", "| b |", "| |", "| d |", "| e |", "| |",
"| g |", "+---+",
];
let actual: Vec<&str> = table.lines().collect();
assert_eq!(expected, actual, "Actual result:\n{table}");
}
#[test]
fn test_pretty_format_null() {
let schema = Arc::new(Schema::new(vec![
Field::new("a", DataType::Utf8, true),
Field::new("b", DataType::Int32, true),
Field::new("c", DataType::Null, true),
]));
let num_rows = 4;
let arrays = schema
.fields()
.iter()
.map(|f| new_null_array(f.data_type(), num_rows))
.collect();
let batch = RecordBatch::try_new(schema, arrays).unwrap();
let table = pretty_format_batches(&[batch]).unwrap().to_string();
let expected = vec![
"+---+---+---+",
"| a | b | c |",
"+---+---+---+",
"| | | |",
"| | | |",
"| | | |",
"| | | |",
"+---+---+---+",
];
let actual: Vec<&str> = table.lines().collect();
assert_eq!(expected, actual, "Actual result:\n{table:#?}");
}
#[test]
fn test_pretty_format_dictionary() {
let field = Field::new_dictionary("d1", DataType::Int32, DataType::Utf8, true);
let schema = Arc::new(Schema::new(vec![field]));
let mut builder = StringDictionaryBuilder::<Int32Type>::new();
builder.append_value("one");
builder.append_null();
builder.append_value("three");
let array = Arc::new(builder.finish());
let batch = RecordBatch::try_new(schema, vec![array]).unwrap();
let table = pretty_format_batches(&[batch]).unwrap().to_string();
let expected = vec![
"+-------+",
"| d1 |",
"+-------+",
"| one |",
"| |",
"| three |",
"+-------+",
];
let actual: Vec<&str> = table.lines().collect();
assert_eq!(expected, actual, "Actual result:\n{table}");
}
#[test]
fn test_pretty_format_fixed_size_list() {
let field_type =
DataType::FixedSizeList(Arc::new(Field::new("item", DataType::Int32, true)), 3);
let schema = Arc::new(Schema::new(vec![Field::new("d1", field_type, true)]));
let keys_builder = Int32Array::builder(3);
let mut builder = FixedSizeListBuilder::new(keys_builder, 3);
builder.values().append_slice(&[1, 2, 3]);
builder.append(true);
builder.values().append_slice(&[4, 5, 6]);
builder.append(false);
builder.values().append_slice(&[7, 8, 9]);
builder.append(true);
let array = Arc::new(builder.finish());
let batch = RecordBatch::try_new(schema, vec![array]).unwrap();
let table = pretty_format_batches(&[batch]).unwrap().to_string();
let expected = vec![
"+-----------+",
"| d1 |",
"+-----------+",
"| [1, 2, 3] |",
"| |",
"| [7, 8, 9] |",
"+-----------+",
];
let actual: Vec<&str> = table.lines().collect();
assert_eq!(expected, actual, "Actual result:\n{table}");
}
#[test]
fn test_pretty_format_fixed_size_binary() {
let field_type = DataType::FixedSizeBinary(3);
let schema = Arc::new(Schema::new(vec![Field::new("d1", field_type, true)]));
let mut builder = FixedSizeBinaryBuilder::with_capacity(3, 3);
builder.append_value([1, 2, 3]).unwrap();
builder.append_null();
builder.append_value([7, 8, 9]).unwrap();
let array = Arc::new(builder.finish());
let batch = RecordBatch::try_new(schema, vec![array]).unwrap();
let table = pretty_format_batches(&[batch]).unwrap().to_string();
let expected = vec![
"+--------+",
"| d1 |",
"+--------+",
"| 010203 |",
"| |",
"| 070809 |",
"+--------+",
];
let actual: Vec<&str> = table.lines().collect();
assert_eq!(expected, actual, "Actual result:\n{table}");
}
macro_rules! check_datetime {
($ARRAYTYPE:ident, $VALUE:expr, $EXPECTED_RESULT:expr) => {
let mut builder = $ARRAYTYPE::builder(10);
builder.append_value($VALUE);
builder.append_null();
let array = builder.finish();
let schema = Arc::new(Schema::new(vec![Field::new(
"f",
array.data_type().clone(),
true,
)]));
let batch = RecordBatch::try_new(schema, vec![Arc::new(array)]).unwrap();
let table = pretty_format_batches(&[batch])
.expect("formatting batches")
.to_string();
let expected = $EXPECTED_RESULT;
let actual: Vec<&str> = table.lines().collect();
assert_eq!(expected, actual, "Actual result:\n\n{actual:#?}\n\n");
};
}
fn timestamp_batch<T: ArrowTimestampType>(timezone: &str, value: T::Native) -> RecordBatch {
let mut builder = PrimitiveBuilder::<T>::with_capacity(10);
builder.append_value(value);
builder.append_null();
let array = builder.finish();
let array = array.with_timezone(timezone);
let schema = Arc::new(Schema::new(vec![Field::new(
"f",
array.data_type().clone(),
true,
)]));
RecordBatch::try_new(schema, vec![Arc::new(array)]).unwrap()
}
#[test]
fn test_pretty_format_timestamp_second_with_fixed_offset_timezone() {
let batch = timestamp_batch::<TimestampSecondType>("+08:00", 11111111);
let table = pretty_format_batches(&[batch]).unwrap().to_string();
let expected = vec![
"+---------------------------+",
"| f |",
"+---------------------------+",
"| 1970-05-09T22:25:11+08:00 |",
"| |",
"+---------------------------+",
];
let actual: Vec<&str> = table.lines().collect();
assert_eq!(expected, actual, "Actual result:\n\n{actual:#?}\n\n");
}
#[test]
fn test_pretty_format_timestamp_second() {
let expected = vec![
"+---------------------+",
"| f |",
"+---------------------+",
"| 1970-05-09T14:25:11 |",
"| |",
"+---------------------+",
];
check_datetime!(TimestampSecondArray, 11111111, expected);
}
#[test]
fn test_pretty_format_timestamp_millisecond() {
let expected = vec![
"+-------------------------+",
"| f |",
"+-------------------------+",
"| 1970-01-01T03:05:11.111 |",
"| |",
"+-------------------------+",
];
check_datetime!(TimestampMillisecondArray, 11111111, expected);
}
#[test]
fn test_pretty_format_timestamp_microsecond() {
let expected = vec![
"+----------------------------+",
"| f |",
"+----------------------------+",
"| 1970-01-01T00:00:11.111111 |",
"| |",
"+----------------------------+",
];
check_datetime!(TimestampMicrosecondArray, 11111111, expected);
}
#[test]
fn test_pretty_format_timestamp_nanosecond() {
let expected = vec![
"+-------------------------------+",
"| f |",
"+-------------------------------+",
"| 1970-01-01T00:00:00.011111111 |",
"| |",
"+-------------------------------+",
];
check_datetime!(TimestampNanosecondArray, 11111111, expected);
}
#[test]
fn test_pretty_format_date_32() {
let expected = vec![
"+------------+",
"| f |",
"+------------+",
"| 1973-05-19 |",
"| |",
"+------------+",
];
check_datetime!(Date32Array, 1234, expected);
}
#[test]
fn test_pretty_format_date_64() {
let expected = vec![
"+---------------------+",
"| f |",
"+---------------------+",
"| 2005-03-18T01:58:20 |",
"| |",
"+---------------------+",
];
check_datetime!(Date64Array, 1111111100000, expected);
}
#[test]
fn test_pretty_format_time_32_second() {
let expected = vec![
"+----------+",
"| f |",
"+----------+",
"| 00:18:31 |",
"| |",
"+----------+",
];
check_datetime!(Time32SecondArray, 1111, expected);
}
#[test]
fn test_pretty_format_time_32_millisecond() {
let expected = vec![
"+--------------+",
"| f |",
"+--------------+",
"| 03:05:11.111 |",
"| |",
"+--------------+",
];
check_datetime!(Time32MillisecondArray, 11111111, expected);
}
#[test]
fn test_pretty_format_time_64_microsecond() {
let expected = vec![
"+-----------------+",
"| f |",
"+-----------------+",
"| 00:00:11.111111 |",
"| |",
"+-----------------+",
];
check_datetime!(Time64MicrosecondArray, 11111111, expected);
}
#[test]
fn test_pretty_format_time_64_nanosecond() {
let expected = vec![
"+--------------------+",
"| f |",
"+--------------------+",
"| 00:00:00.011111111 |",
"| |",
"+--------------------+",
];
check_datetime!(Time64NanosecondArray, 11111111, expected);
}
#[test]
fn test_int_display() {
let array = Arc::new(Int32Array::from(vec![6, 3])) as ArrayRef;
let actual_one = array_value_to_string(&array, 0).unwrap();
let expected_one = "6";
let actual_two = array_value_to_string(&array, 1).unwrap();
let expected_two = "3";
assert_eq!(actual_one, expected_one);
assert_eq!(actual_two, expected_two);
}
#[test]
fn test_decimal_display() {
let precision = 10;
let scale = 2;
let array = [Some(101), None, Some(200), Some(3040)]
.into_iter()
.collect::<Decimal128Array>()
.with_precision_and_scale(precision, scale)
.unwrap();
let dm = Arc::new(array) as ArrayRef;
let schema = Arc::new(Schema::new(vec![Field::new(
"f",
dm.data_type().clone(),
true,
)]));
let batch = RecordBatch::try_new(schema, vec![dm]).unwrap();
let table = pretty_format_batches(&[batch]).unwrap().to_string();
let expected = vec![
"+-------+",
"| f |",
"+-------+",
"| 1.01 |",
"| |",
"| 2.00 |",
"| 30.40 |",
"+-------+",
];
let actual: Vec<&str> = table.lines().collect();
assert_eq!(expected, actual, "Actual result:\n{table}");
}
#[test]
fn test_decimal_display_zero_scale() {
let precision = 5;
let scale = 0;
let array = [Some(101), None, Some(200), Some(3040)]
.into_iter()
.collect::<Decimal128Array>()
.with_precision_and_scale(precision, scale)
.unwrap();
let dm = Arc::new(array) as ArrayRef;
let schema = Arc::new(Schema::new(vec![Field::new(
"f",
dm.data_type().clone(),
true,
)]));
let batch = RecordBatch::try_new(schema, vec![dm]).unwrap();
let table = pretty_format_batches(&[batch]).unwrap().to_string();
let expected = vec![
"+------+", "| f |", "+------+", "| 101 |", "| |", "| 200 |", "| 3040 |",
"+------+",
];
let actual: Vec<&str> = table.lines().collect();
assert_eq!(expected, actual, "Actual result:\n{table}");
}
#[test]
fn test_pretty_format_struct() {
let schema = Schema::new(vec![
Field::new_struct(
"c1",
vec![
Field::new("c11", DataType::Int32, true),
Field::new_struct(
"c12",
vec![Field::new("c121", DataType::Utf8, false)],
false,
),
],
false,
),
Field::new("c2", DataType::Utf8, false),
]);
let c1 = StructArray::from(vec![
(
Arc::new(Field::new("c11", DataType::Int32, true)),
Arc::new(Int32Array::from(vec![Some(1), None, Some(5)])) as ArrayRef,
),
(
Arc::new(Field::new_struct(
"c12",
vec![Field::new("c121", DataType::Utf8, false)],
false,
)),
Arc::new(StructArray::from(vec![(
Arc::new(Field::new("c121", DataType::Utf8, false)),
Arc::new(StringArray::from(vec![Some("e"), Some("f"), Some("g")])) as ArrayRef,
)])) as ArrayRef,
),
]);
let c2 = StringArray::from(vec![Some("a"), Some("b"), Some("c")]);
let batch =
RecordBatch::try_new(Arc::new(schema), vec![Arc::new(c1), Arc::new(c2)]).unwrap();
let table = pretty_format_batches(&[batch]).unwrap().to_string();
let expected = vec![
"+--------------------------+----+",
"| c1 | c2 |",
"+--------------------------+----+",
"| {c11: 1, c12: {c121: e}} | a |",
"| {c11: , c12: {c121: f}} | b |",
"| {c11: 5, c12: {c121: g}} | c |",
"+--------------------------+----+",
];
let actual: Vec<&str> = table.lines().collect();
assert_eq!(expected, actual, "Actual result:\n{table}");
}
#[test]
fn test_pretty_format_dense_union() {
let mut builder = UnionBuilder::new_dense();
builder.append::<Int32Type>("a", 1).unwrap();
builder.append::<Float64Type>("b", 3.2234).unwrap();
builder.append_null::<Float64Type>("b").unwrap();
builder.append_null::<Int32Type>("a").unwrap();
let union = builder.build().unwrap();
let schema = Schema::new(vec![Field::new_union(
"Teamsters",
vec![0, 1],
vec![
Field::new("a", DataType::Int32, false),
Field::new("b", DataType::Float64, false),
],
UnionMode::Dense,
)]);
let batch = RecordBatch::try_new(Arc::new(schema), vec![Arc::new(union)]).unwrap();
let table = pretty_format_batches(&[batch]).unwrap().to_string();
let actual: Vec<&str> = table.lines().collect();
let expected = vec![
"+------------+",
"| Teamsters |",
"+------------+",
"| {a=1} |",
"| {b=3.2234} |",
"| {b=} |",
"| {a=} |",
"+------------+",
];
assert_eq!(expected, actual);
}
#[test]
fn test_pretty_format_sparse_union() {
let mut builder = UnionBuilder::new_sparse();
builder.append::<Int32Type>("a", 1).unwrap();
builder.append::<Float64Type>("b", 3.2234).unwrap();
builder.append_null::<Float64Type>("b").unwrap();
builder.append_null::<Int32Type>("a").unwrap();
let union = builder.build().unwrap();
let schema = Schema::new(vec![Field::new_union(
"Teamsters",
vec![0, 1],
vec![
Field::new("a", DataType::Int32, false),
Field::new("b", DataType::Float64, false),
],
UnionMode::Sparse,
)]);
let batch = RecordBatch::try_new(Arc::new(schema), vec![Arc::new(union)]).unwrap();
let table = pretty_format_batches(&[batch]).unwrap().to_string();
let actual: Vec<&str> = table.lines().collect();
let expected = vec![
"+------------+",
"| Teamsters |",
"+------------+",
"| {a=1} |",
"| {b=3.2234} |",
"| {b=} |",
"| {a=} |",
"+------------+",
];
assert_eq!(expected, actual);
}
#[test]
fn test_pretty_format_nested_union() {
let mut builder = UnionBuilder::new_dense();
builder.append::<Int32Type>("b", 1).unwrap();
builder.append::<Float64Type>("c", 3.2234).unwrap();
builder.append_null::<Float64Type>("c").unwrap();
builder.append_null::<Int32Type>("b").unwrap();
builder.append_null::<Float64Type>("c").unwrap();
let inner = builder.build().unwrap();
let inner_field = Field::new_union(
"European Union",
vec![0, 1],
vec![
Field::new("b", DataType::Int32, false),
Field::new("c", DataType::Float64, false),
],
UnionMode::Dense,
);
let a_array = Int32Array::from(vec![None, None, None, Some(1234), Some(23)]);
let type_ids = Buffer::from_slice_ref([1_i8, 1, 0, 0, 1]);
let children: Vec<(Field, Arc<dyn Array>)> = vec![
(Field::new("a", DataType::Int32, true), Arc::new(a_array)),
(inner_field.clone(), Arc::new(inner)),
];
let outer = UnionArray::try_new(&[0, 1], type_ids, None, children).unwrap();
let schema = Schema::new(vec![Field::new_union(
"Teamsters",
vec![0, 1],
vec![Field::new("a", DataType::Int32, true), inner_field],
UnionMode::Sparse,
)]);
let batch = RecordBatch::try_new(Arc::new(schema), vec![Arc::new(outer)]).unwrap();
let table = pretty_format_batches(&[batch]).unwrap().to_string();
let actual: Vec<&str> = table.lines().collect();
let expected = vec![
"+-----------------------------+",
"| Teamsters |",
"+-----------------------------+",
"| {European Union={b=1}} |",
"| {European Union={c=3.2234}} |",
"| {a=} |",
"| {a=1234} |",
"| {European Union={c=}} |",
"+-----------------------------+",
];
assert_eq!(expected, actual);
}
#[test]
fn test_writing_formatted_batches() {
let schema = Arc::new(Schema::new(vec![
Field::new("a", DataType::Utf8, true),
Field::new("b", DataType::Int32, true),
]));
let batch = RecordBatch::try_new(
schema,
vec![
Arc::new(array::StringArray::from(vec![
Some("a"),
Some("b"),
None,
Some("d"),
])),
Arc::new(array::Int32Array::from(vec![
Some(1),
None,
Some(10),
Some(100),
])),
],
)
.unwrap();
let mut buf = String::new();
write!(&mut buf, "{}", pretty_format_batches(&[batch]).unwrap()).unwrap();
let s = [
"+---+-----+",
"| a | b |",
"+---+-----+",
"| a | 1 |",
"| b | |",
"| | 10 |",
"| d | 100 |",
"+---+-----+",
];
let expected = s.join("\n");
assert_eq!(expected, buf);
}
#[test]
fn test_float16_display() {
let values = vec![
Some(f16::from_f32(f32::NAN)),
Some(f16::from_f32(4.0)),
Some(f16::from_f32(f32::NEG_INFINITY)),
];
let array = Arc::new(values.into_iter().collect::<Float16Array>()) as ArrayRef;
let schema = Arc::new(Schema::new(vec![Field::new(
"f16",
array.data_type().clone(),
true,
)]));
let batch = RecordBatch::try_new(schema, vec![array]).unwrap();
let table = pretty_format_batches(&[batch]).unwrap().to_string();
let expected = vec![
"+------+", "| f16 |", "+------+", "| NaN |", "| 4 |", "| -inf |", "+------+",
];
let actual: Vec<&str> = table.lines().collect();
assert_eq!(expected, actual, "Actual result:\n{table}");
}
#[test]
fn test_pretty_format_interval_day_time() {
let arr = Arc::new(arrow_array::IntervalDayTimeArray::from(vec![
Some(-600000),
Some(4294966295),
Some(4294967295),
Some(1),
Some(10),
Some(100),
]));
let schema = Arc::new(Schema::new(vec![Field::new(
"IntervalDayTime",
arr.data_type().clone(),
true,
)]));
let batch = RecordBatch::try_new(schema, vec![arr]).unwrap();
let table = pretty_format_batches(&[batch]).unwrap().to_string();
let expected = vec![
"+----------------------------------------------------+",
"| IntervalDayTime |",
"+----------------------------------------------------+",
"| 0 years 0 mons -1 days 0 hours -10 mins 0.000 secs |",
"| 0 years 0 mons 0 days 0 hours 0 mins -1.001 secs |",
"| 0 years 0 mons 0 days 0 hours 0 mins -0.001 secs |",
"| 0 years 0 mons 0 days 0 hours 0 mins 0.001 secs |",
"| 0 years 0 mons 0 days 0 hours 0 mins 0.010 secs |",
"| 0 years 0 mons 0 days 0 hours 0 mins 0.100 secs |",
"+----------------------------------------------------+",
];
let actual: Vec<&str> = table.lines().collect();
assert_eq!(expected, actual, "Actual result:\n{table}");
}
#[test]
fn test_pretty_format_interval_month_day_nano_array() {
let arr = Arc::new(arrow_array::IntervalMonthDayNanoArray::from(vec![
Some(-600000000000),
Some(18446744072709551615),
Some(18446744073709551615),
Some(1),
Some(10),
Some(100),
Some(1_000),
Some(10_000),
Some(100_000),
Some(1_000_000),
Some(10_000_000),
Some(100_000_000),
Some(1_000_000_000),
]));
let schema = Arc::new(Schema::new(vec![Field::new(
"IntervalMonthDayNano",
arr.data_type().clone(),
true,
)]));
let batch = RecordBatch::try_new(schema, vec![arr]).unwrap();
let table = pretty_format_batches(&[batch]).unwrap().to_string();
let expected = vec![
"+-----------------------------------------------------------+",
"| IntervalMonthDayNano |",
"+-----------------------------------------------------------+",
"| 0 years -1 mons -1 days 0 hours -10 mins 0.000000000 secs |",
"| 0 years 0 mons 0 days 0 hours 0 mins -1.000000001 secs |",
"| 0 years 0 mons 0 days 0 hours 0 mins -0.000000001 secs |",
"| 0 years 0 mons 0 days 0 hours 0 mins 0.000000001 secs |",
"| 0 years 0 mons 0 days 0 hours 0 mins 0.000000010 secs |",
"| 0 years 0 mons 0 days 0 hours 0 mins 0.000000100 secs |",
"| 0 years 0 mons 0 days 0 hours 0 mins 0.000001000 secs |",
"| 0 years 0 mons 0 days 0 hours 0 mins 0.000010000 secs |",
"| 0 years 0 mons 0 days 0 hours 0 mins 0.000100000 secs |",
"| 0 years 0 mons 0 days 0 hours 0 mins 0.001000000 secs |",
"| 0 years 0 mons 0 days 0 hours 0 mins 0.010000000 secs |",
"| 0 years 0 mons 0 days 0 hours 0 mins 0.100000000 secs |",
"| 0 years 0 mons 0 days 0 hours 0 mins 1.000000000 secs |",
"+-----------------------------------------------------------+",
];
let actual: Vec<&str> = table.lines().collect();
assert_eq!(expected, actual, "Actual result:\n{table}");
}
#[test]
fn test_format_options() {
let options = FormatOptions::default().with_null("null");
let array = Int32Array::from(vec![Some(1), Some(2), None, Some(3), Some(4)]);
let batch = RecordBatch::try_from_iter([("my_column_name", Arc::new(array) as _)]).unwrap();
let column = pretty_format_columns_with_options(
"my_column_name",
&[batch.column(0).clone()],
&options,
)
.unwrap()
.to_string();
let batch = pretty_format_batches_with_options(&[batch], &options)
.unwrap()
.to_string();
let expected = vec![
"+----------------+",
"| my_column_name |",
"+----------------+",
"| 1 |",
"| 2 |",
"| null |",
"| 3 |",
"| 4 |",
"+----------------+",
];
let actual: Vec<&str> = column.lines().collect();
assert_eq!(expected, actual, "Actual result:\n{column}");
let actual: Vec<&str> = batch.lines().collect();
assert_eq!(expected, actual, "Actual result:\n{batch}");
}
}