All Implemented Interfaces:

org.jetbrains.kotlinx.dataframe.ColumnsContainer , org.jetbrains.kotlinx.dataframe.columns.ColumnSet , org.jetbrains.kotlinx.dataframe.columns.SingleColumn
```
public interface ColumnsSelectionDsl<T extends Object>
 implements ColumnsContainer<T>, SingleColumn<DataRow<T>>
                    
```

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description

Field Summary

Fields
Modifier and Type	Field	Description

Constructor Summary

Constructors
Constructor	Description

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`ColumnSet<Object>`	`first(ColumnSet<?> $self, Integer numCols)`
`<C extends Any> SingleColumn<C>`	`first(ColumnSet<C> $self, Function1<ColumnWithPath<C>, Boolean> condition)`
`<C extends Any> SingleColumn<C>`	`single(ColumnSet<C> $self, Function1<ColumnWithPath<C>, Boolean> condition)`
`ColumnSet<Object>`	`last(ColumnSet<?> $self, Integer numCols)`
`ColumnGroup<?>`	`group(ColumnsContainer<?> $self, String name)`
`<C extends Any> ColumnSet<C>`	`cols(ColumnSet<?> $self, ColumnReference<C> firstCol, ColumnReference<C> otherCols)`
`ColumnSet<Object>`	`cols(ColumnSet<?> $self, String firstCol, String otherCols)`
`ColumnSet<Object>`	`cols(ColumnSet<?> $self, Integer indices)`
`ColumnSet<Object>`	`cols(ColumnSet<?> $self, IntRange range)`
`ColumnSet<Object>`	`cols(ColumnSet<?> $self, Function1<DataColumn<?>, Boolean> predicate)`
`<C extends Any> ColumnSet<Object>`	`dfs(ColumnSet<C> $self, Function1<ColumnWithPath<?>, Boolean> predicate)`
`ColumnSet<Object>`	`dfs(ColumnSet<?> $self)`
`ColumnSet<?>`	`all(SingleColumn<?> $self)`
`ColumnSet<?>`	`none()`
`ColumnSet<Object>`	`allAfter(SingleColumn<?> $self, ColumnPath colPath)`
`ColumnSet<Object>`	`allAfter(SingleColumn<?> $self, String colName)`
`ColumnSet<Object>`	`allAfter(SingleColumn<?> $self, ColumnReference<?> column)`
`ColumnSet<Object>`	`allSince(SingleColumn<?> $self, ColumnPath colPath)`
`ColumnSet<Object>`	`allSince(SingleColumn<?> $self, String colName)`
`ColumnSet<Object>`	`allSince(SingleColumn<?> $self, ColumnReference<?> column)`
`ColumnSet<Object>`	`allBefore(SingleColumn<?> $self, ColumnPath colPath)`
`ColumnSet<Object>`	`allBefore(SingleColumn<?> $self, String colName)`
`ColumnSet<Object>`	`allBefore(SingleColumn<?> $self, ColumnReference<?> column)`
`ColumnSet<Object>`	`allUntil(SingleColumn<?> $self, ColumnPath colPath)`
`ColumnSet<Object>`	`allUntil(SingleColumn<?> $self, String colName)`
`ColumnSet<Object>`	`allUntil(SingleColumn<?> $self, ColumnReference<?> column)`
`ColumnSet<DataRow<?>>`	`groups(SingleColumn<?> $self, Function1<ColumnGroup<?>, Boolean> filter)`
`<C extends Any> ColumnSet<Object>`	`children(ColumnSet<C> $self, Function1<ColumnWithPath<Object>, Boolean> predicate)`
`ColumnSet<Object>`	`children(ColumnReference<DataRow<?>> $self)`
`<C extends Any> ColumnSet<C>`	`get(List<DataColumn<C>> $self, IntRange range)`
`ColumnPath`	`get(String $self, String column)`
`ColumnSet<Object>`	`get(ColumnSet<?> $self, String colName)`
`<C extends Any> ColumnSet<C>`	`get(ColumnSet<?> $self, ColumnReference<C> column)`
`ColumnAccessor<Object>`	`invoke(String $self)`
`<C extends Any> ColumnSet<C>`	`invoke(Function2<ColumnsSelectionDsl<T>, ColumnsSelectionDsl<T>, ColumnSet<C>> $self)`
`<C extends Any> DataColumn<C>`	`invoke(ColumnReference<C> $self)`
`<C extends Any> ColumnReference<C>`	`invoke(ColumnReference<C> $self, String newName)`
`ColumnAccessor<Object>`	`invoke(ColumnPath $self)`
`<C extends Any> DataColumn<C>`	`invoke(String $self, Function2<DataRow<T>, DataRow<T>, C> newColumnExpression)`
`<C extends Any> ColumnAccessor<C>`	`cast(String $self)`
`<C extends Any> ColumnAccessor<C>`	`col(KProperty<C> property)`
`ColumnSet<Object>`	`col(ColumnSet<?> $self, Integer index)`
`<C extends Any> ColumnSet<C>`	`drop(ColumnSet<C> $self, Integer n)`
`<C extends Any> ColumnSet<C>`	`take(ColumnSet<C> $self, Integer n)`
`<C extends Any> ColumnSet<C>`	`dropLast(ColumnSet<C> $self, Integer n)`
`<C extends Any> ColumnSet<C>`	`takeLast(ColumnSet<C> $self, Integer n)`
`<C extends Any> ColumnSet<C>`	`top(ColumnSet<C> $self)`
`<C extends Any> ColumnSet<C>`	`takeWhile(ColumnSet<C> $self, Function1<ColumnWithPath<C>, Boolean> predicate)`
`<C extends Any> ColumnSet<C>`	`takeLastWhile(ColumnSet<C> $self, Function1<ColumnWithPath<C>, Boolean> predicate)`
`<C extends Any> ColumnSet<C>`	`filter(ColumnSet<C> $self, Function1<ColumnWithPath<C>, Boolean> predicate)`
`ColumnSet<Number>`	`numberCols(ColumnSet<?> $self, Function1<DataColumn<Number>, Boolean> filter)`
`ColumnSet<String>`	`stringCols(ColumnSet<?> $self, Function1<DataColumn<String>, Boolean> filter)`
`ColumnSet<Integer>`	`intCols(ColumnSet<?> $self, Function1<DataColumn<Integer>, Boolean> filter)`
`ColumnSet<Double>`	`doubleCols(ColumnSet<?> $self, Function1<DataColumn<Double>, Boolean> filter)`
`ColumnSet<Boolean>`	`booleanCols(ColumnSet<?> $self, Function1<DataColumn<Boolean>, Boolean> filter)`
`ColumnSet<Object>`	`nameContains(ColumnSet<?> $self, CharSequence text)`
`ColumnSet<Object>`	`nameContains(ColumnSet<?> $self, Regex regex)`
`ColumnSet<Object>`	`startsWith(ColumnSet<?> $self, CharSequence prefix)`
`ColumnSet<Object>`	`endsWith(ColumnSet<?> $self, CharSequence suffix)`
`<C extends Any> ColumnSet<C>`	`and(ColumnSet<C> $self, ColumnSet<C> other)`
`ColumnSet<Object>`	`and(String $self, String other)`
`<C extends Any> ColumnSet<Object>`	`and(String $self, ColumnSet<C> other)`
`<C extends Any> ColumnSet<C>`	`and(KProperty<C> $self, ColumnSet<C> other)`
`<C extends Any> ColumnSet<C>`	`and(ColumnSet<C> $self, KProperty<C> other)`
`<C extends Any> ColumnSet<C>`	`and(KProperty<C> $self, KProperty<C> other)`
`<C extends Any> ColumnSet<Object>`	`and(ColumnSet<C> $self, String other)`
`<C extends Any> ColumnSet<?>`	`except(ColumnSet<C> $self, ColumnSet<?> other)`
`<C extends Any> ColumnSet<?>`	`except(ColumnSet<C> $self, String other)`
`<C extends Any> ColumnSet<?>`	`except(ColumnSet<C> $self, ColumnSet<?> other)`
`<C extends Any> ColumnSet<C>`	`except(ColumnSet<C> $self, Function2<ColumnsSelectionDsl<T>, ColumnsSelectionDsl<T>, ColumnSet<?>> selector)`
`<C extends Any> ColumnSet<C>`	`withoutNulls(ColumnSet<C> $self)`
`<C extends Any> ColumnReference<C>`	`into(ColumnReference<C> $self, String newName)`
`<C extends Any> ColumnReference<C>`	`named(ColumnReference<C> $self, String newName)`
`ColumnReference<Integer>`	`length(ColumnReference<String> $self)`
`ColumnReference<String>`	`lowercase(ColumnReference<String> $self)`
`ColumnReference<String>`	`uppercase(ColumnReference<String> $self)`
`<C extends Any> DataColumn<C>`	`by(String $self, Function2<DataRow<T>, DataRow<T>, C> newColumnExpression)`
`DataColumn<Integer>`	`ints(String $self)`
`DataColumn<Integer>`	`ints(ColumnPath $self)`
`DataColumn<Integer>`	`intOrNulls(String $self)`
`DataColumn<Integer>`	`intOrNulls(ColumnPath $self)`
`DataColumn<String>`	`strings(String $self)`
`DataColumn<String>`	`strings(ColumnPath $self)`
`DataColumn<String>`	`stringOrNulls(String $self)`
`DataColumn<String>`	`stringOrNulls(ColumnPath $self)`
`DataColumn<Boolean>`	`booleans(String $self)`
`DataColumn<Boolean>`	`booleans(ColumnPath $self)`
`DataColumn<Boolean>`	`booleanOrNulls(String $self)`
`DataColumn<Boolean>`	`booleanOrNulls(ColumnPath $self)`
`DataColumn<Double>`	`doubles(String $self)`
`DataColumn<Double>`	`doubles(ColumnPath $self)`
`DataColumn<Double>`	`doubleOrNulls(String $self)`
`DataColumn<Double>`	`doubleOrNulls(ColumnPath $self)`
`DataColumn<Comparable<Object>>`	`comparables(String $self)`
`DataColumn<Comparable<Object>>`	`comparables(ColumnPath $self)`
`DataColumn<Comparable<Object>>`	`comparableOrNulls(String $self)`
`DataColumn<Comparable<Object>>`	`comparableOrNulls(ColumnPath $self)`
`DataColumn<Number>`	`numberOrNulls(String $self)`
`DataColumn<Number>`	`numberOrNulls(ColumnPath $self)`
`abstract Integer`	`nrow()`
`abstract Iterable<DataRow<T>>`	`rows()`
`abstract Iterable<DataRow<T>>`	`rowsReversed()`

Methods inherited from class org.jetbrains.kotlinx.dataframe.api.ColumnsSelectionDsl
col, columns, get, get, get, get, get, get, get, get, get, get, get, getColumn, getColumn, getColumn, getColumn, getColumn, getColumn, hasColumn, ncol, resolve, resolveSingle, tryGetColumn, tryGetColumn
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Method Detail

first

 ColumnSet<Object> first(ColumnSet<?> $self, Integer numCols)

first

 <C extends Any> SingleColumn<C> first(ColumnSet<C> $self, Function1<ColumnWithPath<C>, Boolean> condition)

single

 <C extends Any> SingleColumn<C> single(ColumnSet<C> $self, Function1<ColumnWithPath<C>, Boolean> condition)

last

 ColumnSet<Object> last(ColumnSet<?> $self, Integer numCols)

group

 ColumnGroup<?> group(ColumnsContainer<?> $self, String name)

cols

 <C extends Any> ColumnSet<C> cols(ColumnSet<?> $self, ColumnReference<C> firstCol, ColumnReference<C> otherCols)

cols

 ColumnSet<Object> cols(ColumnSet<?> $self, String firstCol, String otherCols)

cols

 ColumnSet<Object> cols(ColumnSet<?> $self, Integer indices)

cols

 ColumnSet<Object> cols(ColumnSet<?> $self, IntRange range)

cols

 ColumnSet<Object> cols(ColumnSet<?> $self, Function1<DataColumn<?>, Boolean> predicate)

dfs

 <C extends Any> ColumnSet<Object> dfs(ColumnSet<C> $self, Function1<ColumnWithPath<?>, Boolean> predicate)

dfs

 ColumnSet<Object> dfs(ColumnSet<?> $self)

all

 ColumnSet<?> all(SingleColumn<?> $self)

none
```
 ColumnSet<?> none()
```

allAfter

 ColumnSet<Object> allAfter(SingleColumn<?> $self, ColumnPath colPath)

allAfter

 ColumnSet<Object> allAfter(SingleColumn<?> $self, String colName)

allAfter

 ColumnSet<Object> allAfter(SingleColumn<?> $self, ColumnReference<?> column)

allSince

 ColumnSet<Object> allSince(SingleColumn<?> $self, ColumnPath colPath)

allSince

 ColumnSet<Object> allSince(SingleColumn<?> $self, String colName)

allSince

 ColumnSet<Object> allSince(SingleColumn<?> $self, ColumnReference<?> column)

allBefore

 ColumnSet<Object> allBefore(SingleColumn<?> $self, ColumnPath colPath)

allBefore

 ColumnSet<Object> allBefore(SingleColumn<?> $self, String colName)

allBefore

 ColumnSet<Object> allBefore(SingleColumn<?> $self, ColumnReference<?> column)

allUntil

 ColumnSet<Object> allUntil(SingleColumn<?> $self, ColumnPath colPath)

allUntil

 ColumnSet<Object> allUntil(SingleColumn<?> $self, String colName)

allUntil

 ColumnSet<Object> allUntil(SingleColumn<?> $self, ColumnReference<?> column)

groups

 ColumnSet<DataRow<?>> groups(SingleColumn<?> $self, Function1<ColumnGroup<?>, Boolean> filter)

children

 <C extends Any> ColumnSet<Object> children(ColumnSet<C> $self, Function1<ColumnWithPath<Object>, Boolean> predicate)

children

 ColumnSet<Object> children(ColumnReference<DataRow<?>> $self)

get

 <C extends Any> ColumnSet<C> get(List<DataColumn<C>> $self, IntRange range)

get

 ColumnPath get(String $self, String column)

get

 ColumnSet<Object> get(ColumnSet<?> $self, String colName)

get

 <C extends Any> ColumnSet<C> get(ColumnSet<?> $self, ColumnReference<C> column)

invoke

 ColumnAccessor<Object> invoke(String $self)

invoke

 <C extends Any> ColumnSet<C> invoke(Function2<ColumnsSelectionDsl<T>, ColumnsSelectionDsl<T>, ColumnSet<C>> $self)

invoke

 <C extends Any> DataColumn<C> invoke(ColumnReference<C> $self)

invoke

 <C extends Any> ColumnReference<C> invoke(ColumnReference<C> $self, String newName)

invoke

 ColumnAccessor<Object> invoke(ColumnPath $self)

invoke

 <C extends Any> DataColumn<C> invoke(String $self, Function2<DataRow<T>, DataRow<T>, C> newColumnExpression)

cast

 <C extends Any> ColumnAccessor<C> cast(String $self)

col

 <C extends Any> ColumnAccessor<C> col(KProperty<C> property)

col

 ColumnSet<Object> col(ColumnSet<?> $self, Integer index)

drop

 <C extends Any> ColumnSet<C> drop(ColumnSet<C> $self, Integer n)

take

 <C extends Any> ColumnSet<C> take(ColumnSet<C> $self, Integer n)

dropLast

 <C extends Any> ColumnSet<C> dropLast(ColumnSet<C> $self, Integer n)

takeLast

 <C extends Any> ColumnSet<C> takeLast(ColumnSet<C> $self, Integer n)

top

 <C extends Any> ColumnSet<C> top(ColumnSet<C> $self)

takeWhile

 <C extends Any> ColumnSet<C> takeWhile(ColumnSet<C> $self, Function1<ColumnWithPath<C>, Boolean> predicate)

takeLastWhile

 <C extends Any> ColumnSet<C> takeLastWhile(ColumnSet<C> $self, Function1<ColumnWithPath<C>, Boolean> predicate)

filter

 <C extends Any> ColumnSet<C> filter(ColumnSet<C> $self, Function1<ColumnWithPath<C>, Boolean> predicate)

numberCols

 ColumnSet<Number> numberCols(ColumnSet<?> $self, Function1<DataColumn<Number>, Boolean> filter)

stringCols

 ColumnSet<String> stringCols(ColumnSet<?> $self, Function1<DataColumn<String>, Boolean> filter)

intCols

 ColumnSet<Integer> intCols(ColumnSet<?> $self, Function1<DataColumn<Integer>, Boolean> filter)

doubleCols

 ColumnSet<Double> doubleCols(ColumnSet<?> $self, Function1<DataColumn<Double>, Boolean> filter)

booleanCols

 ColumnSet<Boolean> booleanCols(ColumnSet<?> $self, Function1<DataColumn<Boolean>, Boolean> filter)

nameContains

 ColumnSet<Object> nameContains(ColumnSet<?> $self, CharSequence text)

nameContains

 ColumnSet<Object> nameContains(ColumnSet<?> $self, Regex regex)

startsWith

 ColumnSet<Object> startsWith(ColumnSet<?> $self, CharSequence prefix)

endsWith

 ColumnSet<Object> endsWith(ColumnSet<?> $self, CharSequence suffix)

and

 <C extends Any> ColumnSet<C> and(ColumnSet<C> $self, ColumnSet<C> other)

and

 ColumnSet<Object> and(String $self, String other)

and

 <C extends Any> ColumnSet<Object> and(String $self, ColumnSet<C> other)

and

 <C extends Any> ColumnSet<C> and(KProperty<C> $self, ColumnSet<C> other)

and

 <C extends Any> ColumnSet<C> and(ColumnSet<C> $self, KProperty<C> other)

and

 <C extends Any> ColumnSet<C> and(KProperty<C> $self, KProperty<C> other)

and

 <C extends Any> ColumnSet<Object> and(ColumnSet<C> $self, String other)

except

 <C extends Any> ColumnSet<?> except(ColumnSet<C> $self, ColumnSet<?> other)

except

 <C extends Any> ColumnSet<?> except(ColumnSet<C> $self, String other)

except

 <C extends Any> ColumnSet<?> except(ColumnSet<C> $self, ColumnSet<?> other)

except

 <C extends Any> ColumnSet<C> except(ColumnSet<C> $self, Function2<ColumnsSelectionDsl<T>, ColumnsSelectionDsl<T>, ColumnSet<?>> selector)

withoutNulls

 <C extends Any> ColumnSet<C> withoutNulls(ColumnSet<C> $self)

into

 <C extends Any> ColumnReference<C> into(ColumnReference<C> $self, String newName)

named

 <C extends Any> ColumnReference<C> named(ColumnReference<C> $self, String newName)

length

 ColumnReference<Integer> length(ColumnReference<String> $self)

lowercase

 ColumnReference<String> lowercase(ColumnReference<String> $self)

uppercase

 ColumnReference<String> uppercase(ColumnReference<String> $self)

by

 <C extends Any> DataColumn<C> by(String $self, Function2<DataRow<T>, DataRow<T>, C> newColumnExpression)

ints

 DataColumn<Integer> ints(String $self)

ints

 DataColumn<Integer> ints(ColumnPath $self)

intOrNulls

 DataColumn<Integer> intOrNulls(String $self)

intOrNulls

 DataColumn<Integer> intOrNulls(ColumnPath $self)

strings

 DataColumn<String> strings(String $self)

strings

 DataColumn<String> strings(ColumnPath $self)

stringOrNulls

 DataColumn<String> stringOrNulls(String $self)

stringOrNulls

 DataColumn<String> stringOrNulls(ColumnPath $self)

booleans

 DataColumn<Boolean> booleans(String $self)

booleans

 DataColumn<Boolean> booleans(ColumnPath $self)

booleanOrNulls

 DataColumn<Boolean> booleanOrNulls(String $self)

booleanOrNulls

 DataColumn<Boolean> booleanOrNulls(ColumnPath $self)

doubles

 DataColumn<Double> doubles(String $self)

doubles

 DataColumn<Double> doubles(ColumnPath $self)

doubleOrNulls

 DataColumn<Double> doubleOrNulls(String $self)

doubleOrNulls

 DataColumn<Double> doubleOrNulls(ColumnPath $self)

comparables

 DataColumn<Comparable<Object>> comparables(String $self)

comparables

 DataColumn<Comparable<Object>> comparables(ColumnPath $self)

comparableOrNulls

 DataColumn<Comparable<Object>> comparableOrNulls(String $self)

comparableOrNulls

 DataColumn<Comparable<Object>> comparableOrNulls(ColumnPath $self)

numberOrNulls

 DataColumn<Number> numberOrNulls(String $self)

numberOrNulls

 DataColumn<Number> numberOrNulls(ColumnPath $self)

nrow
```
 abstract Integer nrow()
```

rows
```
 abstract Iterable<DataRow<T>> rows()
```

rowsReversed

 abstract Iterable<DataRow<T>> rowsReversed()

Interface ColumnsSelectionDsl

Nested Class Summary

Field Summary

Constructor Summary

Enum Constant Summary

Method Summary

Methods inherited from class org.jetbrains.kotlinx.dataframe.api.ColumnsSelectionDsl

Methods inherited from class java.lang.Object

Constructor Detail

Method Detail

first

first

single

last

group

cols

cols

cols

cols

cols

dfs

dfs

all

none

allAfter

allAfter

allAfter

allSince

allSince

allSince

allBefore

allBefore

allBefore

allUntil

allUntil

allUntil

groups

children

children

get

get

get

get

invoke

invoke

invoke

invoke

invoke

invoke

cast

col

col

drop

take

dropLast

takeLast

top

takeWhile

takeLastWhile

filter

numberCols

stringCols

intCols

doubleCols

booleanCols

nameContains

nameContains

startsWith

endsWith

and

and

and

and

and

and

and

except

except

except

except