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Daft API Documentation
Dataframe Creation
daft.from_pylist
daft.from_pydict
daft.from_arrow
daft.from_pandas
daft.read_parquet
daft.read_csv
daft.read_json
daft.read_warc
daft.from_glob_path
daft.read_iceberg
daft.read_deltalake
daft.read_hudi
daft.from_ray_dataset
daft.from_dask_dataframe
daft.read_sql
daft.read_lance
DataFrame
daft.DataFrame
daft.DataFrame.__getitem__
daft.DataFrame.select
daft.DataFrame.with_column
daft.DataFrame.with_columns
daft.DataFrame.with_column_renamed
daft.DataFrame.with_columns_renamed
daft.DataFrame.pivot
daft.DataFrame.exclude
daft.DataFrame.explode
daft.DataFrame.unpivot
daft.DataFrame.melt
daft.DataFrame.transform
daft.DataFrame.distinct
daft.DataFrame.filter
daft.DataFrame.where
daft.DataFrame.limit
daft.DataFrame.sample
daft.DataFrame.drop_nan
daft.DataFrame.drop_null
daft.DataFrame.sort
daft.DataFrame.repartition
daft.DataFrame.into_partitions
daft.DataFrame.join
daft.DataFrame.concat
daft.DataFrame.union
daft.DataFrame.union_all
daft.DataFrame.union_by_name
daft.DataFrame.union_all_by_name
daft.DataFrame.intersect
daft.DataFrame.intersect_all
daft.DataFrame.except_distinct
daft.DataFrame.except_all
daft.DataFrame.agg
daft.DataFrame.groupby
daft.DataFrame.sum
daft.DataFrame.mean
daft.DataFrame.stddev
daft.DataFrame.count
daft.DataFrame.min
daft.DataFrame.max
daft.DataFrame.any_value
daft.DataFrame.agg_list
daft.DataFrame.agg_set
daft.DataFrame.agg_concat
daft.DataFrame.to_pydict
daft.DataFrame.to_pylist
daft.DataFrame.iter_partitions
daft.DataFrame.iter_rows
daft.DataFrame.__iter__
daft.DataFrame.to_arrow_iter
daft.DataFrame.collect
daft.DataFrame.show
daft.DataFrame.write_parquet
daft.DataFrame.write_csv
daft.DataFrame.write_iceberg
daft.DataFrame.write_deltalake
daft.DataFrame.write_lance
daft.DataFrame.to_arrow
daft.DataFrame.to_pandas
daft.DataFrame.to_torch_map_dataset
daft.DataFrame.to_torch_iter_dataset
daft.DataFrame.to_ray_dataset
daft.DataFrame.to_dask_dataframe
daft.DataFrame.explain
daft.DataFrame.schema
daft.DataFrame.describe
daft.DataFrame.column_names
daft.DataFrame.columns
daft.DataFrame.__contains__
daft.DataFrame.summarize
daft.DataFrame.count_rows
daft.DataFrame.__len__
Expressions
daft.col
daft.lit
daft.list_
daft.struct
daft.interval
daft.Expression.alias
daft.Expression.cast
daft.Expression.if_else
daft.Expression.is_null
daft.Expression.not_null
daft.Expression.fill_null
daft.Expression.hash
daft.Expression.apply
daft.Expression.__getitem__
daft.Expression.__abs__
daft.Expression.__add__
daft.Expression.__sub__
daft.Expression.__mul__
daft.Expression.__truediv__
daft.Expression.__floordiv__
daft.Expression.__mod__
daft.Expression.__lshift__
daft.Expression.__rshift__
daft.Expression.abs
daft.Expression.ceil
daft.Expression.floor
daft.Expression.sign
daft.Expression.signum
daft.Expression.negate
daft.Expression.negative
daft.Expression.round
daft.Expression.clip
daft.Expression.sqrt
daft.Expression.cbrt
daft.Expression.sin
daft.Expression.cos
daft.Expression.tan
daft.Expression.csc
daft.Expression.sec
daft.Expression.cot
daft.Expression.sinh
daft.Expression.cosh
daft.Expression.tanh
daft.Expression.arcsin
daft.Expression.arccos
daft.Expression.arctan
daft.Expression.arctan2
daft.Expression.arctanh
daft.Expression.arccosh
daft.Expression.arcsinh
daft.Expression.radians
daft.Expression.degrees
daft.Expression.log2
daft.Expression.log10
daft.Expression.log
daft.Expression.ln
daft.Expression.log1p
daft.Expression.exp
daft.Expression.expm1
daft.Expression.shift_left
daft.Expression.shift_right
daft.Expression.bitwise_and
daft.Expression.bitwise_or
daft.Expression.bitwise_xor
daft.Expression.__invert__
daft.Expression.__and__
daft.Expression.__or__
daft.Expression.__xor__
daft.Expression.__lt__
daft.Expression.__le__
daft.Expression.__eq__
daft.Expression.eq_null_safe
daft.Expression.__ne__
daft.Expression.__gt__
daft.Expression.__ge__
daft.Expression.between
daft.Expression.is_in
daft.Expression.minhash
daft.Expression.bool_and
daft.Expression.bool_or
daft.Expression.count
daft.Expression.count_distinct
daft.Expression.sum
daft.Expression.mean
daft.Expression.stddev
daft.Expression.min
daft.Expression.max
daft.Expression.any_value
daft.Expression.agg_list
daft.Expression.agg_set
daft.Expression.agg_concat
daft.Expression.approx_percentiles
daft.Expression.approx_count_distinct
daft.Expression.str.contains
daft.Expression.str.match
daft.Expression.str.startswith
daft.Expression.str.endswith
daft.Expression.str.concat
daft.Expression.str.split
daft.Expression.str.extract
daft.Expression.str.extract_all
daft.Expression.str.replace
daft.Expression.str.length
daft.Expression.str.length_bytes
daft.Expression.str.lower
daft.Expression.str.upper
daft.Expression.str.lstrip
daft.Expression.str.rstrip
daft.Expression.str.reverse
daft.Expression.str.capitalize
daft.Expression.str.left
daft.Expression.str.right
daft.Expression.str.find
daft.Expression.str.rpad
daft.Expression.str.lpad
daft.Expression.str.repeat
daft.Expression.str.like
daft.Expression.str.ilike
daft.Expression.str.substr
daft.Expression.str.to_date
daft.Expression.str.to_datetime
daft.Expression.str.normalize
daft.Expression.str.tokenize_encode
daft.Expression.str.tokenize_decode
daft.Expression.str.count_matches
daft.Expression.binary.concat
daft.Expression.binary.length
daft.Expression.binary.slice
daft.Expression.encode
daft.Expression.decode
daft.Expression.float.is_inf
daft.Expression.float.is_nan
daft.Expression.float.not_nan
daft.Expression.float.fill_nan
daft.Expression.dt.date
daft.Expression.dt.hour
daft.Expression.dt.minute
daft.Expression.dt.second
daft.Expression.dt.time
daft.Expression.dt.day
daft.Expression.dt.month
daft.Expression.dt.year
daft.Expression.dt.day_of_week
daft.Expression.dt.truncate
daft.Expression.list.bool_and
daft.Expression.list.bool_or
daft.Expression.list.chunk
daft.Expression.list.count
daft.Expression.list.get
daft.Expression.list.join
daft.Expression.list.length
daft.Expression.list.max
daft.Expression.list.mean
daft.Expression.list.min
daft.Expression.list.slice
daft.Expression.list.sort
daft.Expression.list.sum
daft.Expression.list.distinct
daft.Expression.list.value_counts
daft.Expression.struct.get
daft.Expression.map.get
daft.Expression.image.decode
daft.Expression.image.encode
daft.Expression.image.resize
daft.Expression.image.crop
daft.Expression.image.to_mode
daft.Expression.partitioning.days
daft.Expression.partitioning.hours
daft.Expression.partitioning.months
daft.Expression.partitioning.years
daft.Expression.partitioning.iceberg_bucket
daft.Expression.partitioning.iceberg_truncate
daft.Expression.url.download
daft.Expression.url.upload
daft.Expression.json.query
daft.Expression.embedding.cosine_distance
Functions
daft.functions.monotonically_increasing_id
SQL
AzureConfig
GCSConfig
HTTPConfig
S3Config
abs
acos
acosh
array_to_string
asin
asinh
atan
atan2
atanh
avg
bool_and
bool_or
capitalize
ceil
clip
coalesce
concat
contains
cos
cosh
cot
count
count_distinct
count_matches
csc
date
day
dayofweek
degrees
ends_with
exp
explode
expm1
fill_nan
find
floor
hash
hour
image_crop
image_decode
image_encode
image_resize
image_to_mode
is_inf
is_nan
json_query
left
length
length_bytes
list_chunk
list_count
list_join
list_max
list_mean
list_min
list_slice
list_sort
list_sum
ln
log
log10
log1p
log2
lower
lpad
lstrip
map_extract
map_get
max
mean
min
minhash
minute
month
negate
negative
normalize
not_nan
partitioning_days
partitioning_hours
partitioning_iceberg_bucket
partitioning_iceberg_truncate
partitioning_months
partitioning_years
radians
regexp_extract
regexp_extract_all
regexp_match
regexp_replace
regexp_split
repeat
reverse
right
round
rpad
rstrip
sec
second
sign
signum
sin
sinh
split
sqrt
starts_with
stddev
stddev_samp
struct_extract
struct_get
sum
tan
tanh
time
to_date
to_datetime
tokenize_decode
tokenize_encode
unnest
upper
url_download
url_upload
year
Sessions
Catalogs and Tables
Schema
Data Types
GroupBy
User Defined Functions (UDFs)
Series
Configuration
daft.context.set_runner_native
daft.context.set_runner_ray
daft.set_planning_config
daft.planning_config_ctx
daft.set_execution_config
daft.execution_config_ctx
daft.io.IOConfig
daft.io.S3Config
daft.io.S3Credentials
daft.io.GCSConfig
daft.io.AzureConfig
Miscellaneous
daft.ImageMode
daft.ImageFormat
.rst
.pdf
daft.Expression.count_distinct
Contents
Expression.count_distinct()
daft.Expression.count_distinct
#
Expression.
count_distinct
(
)
→
Expression
[source]
#
Contents
Expression.count_distinct()
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