Uses of Interface
app.babylon.table.column.Column

Packages that use Column

Package	Description
app.babylon.table
app.babylon.table.column
app.babylon.table.dsl
app.babylon.table.plans
app.babylon.table.transform

Uses of Column in app.babylon.table

Methods in app.babylon.table that return Column

Modifier and Type	Method	Description
Column	TableColumnar.get(ColumnName x)
Column[]	TableColumnar.getColumns()
default Column[]	TableColumnar.getColumns(ColumnName... x)

Methods in app.babylon.table that return types with arguments of type Column

Modifier and Type	Method	Description
Iterable<Column>	TableColumnar.columns()
Map<ColumnName,Column>	TableColumnar.getColumns(Map<ColumnName,Column> x, ColumnName... columnNames)

Methods in app.babylon.table with parameters of type Column

Modifier and Type	Method	Description
TableColumnar	TableColumnar.add(Column... x)
static TableColumnar	Tables.newTable(TableName tableName, Column... columns)
static TableColumnar	Tables.newTable(TableName tableName, TableDescription description, Column... columns)
static TableColumnar	Tables.newTable(TableName tableName, TableDescription desc, Column[] firstColumns, Column[] lastColumns)
TableColumnar	TableColumnar.replace(Column... x)

Method parameters in app.babylon.table with type arguments of type Column

Modifier and Type	Method	Description
Map<ColumnName,Column>	TableColumnar.getColumns(Map<ColumnName,Column> x, ColumnName... columnNames)
static TableColumnar	Tables.newTable(TableName tableName, TableDescription description, Collection<Column> columns)
static TableColumnar	Tables.newTable(TableName tableName, Collection<Column> columns)

Uses of Column in app.babylon.table.column

Subinterfaces of Column in app.babylon.table.column

Modifier and Type	Interface	Description
interface	ColumnBoolean	A nullable primitive boolean column backed by compact bit lists for both values and null-state.
interface	ColumnByte	A column of byte values used for compact storage of byte-oriented data and file-signature style checks.
interface	ColumnCategorical<T>	An object column optimised for repeated values by storing dictionary-encoded categories.
interface	ColumnDouble	A column of nullable double values with efficient primitive access and predicate-based row selection.
interface	ColumnInt	A column of nullable int values with efficient primitive access and predicate-based row selection.
interface	ColumnLong	A column of nullable long values with efficient primitive access and predicate-based row selection.
interface	ColumnObject<T>	A column that stores object values, including strings, dates, decimals, and other reference types.

Methods in app.babylon.table.column that return Column

Modifier and Type	Method	Description
Column	Column.Builder.build()	Materialises the current builder contents as an immutable column.
Column	ColumnCategorical.Builder.buildAs(Column.Type transformedType)	Builds a column by parsing each distinct source value as the supplied target type.
Column	ColumnObject.Builder.buildAs(Column.Type transformedType)	Builds a column by parsing this builder's source values as the supplied target type.
static Column	Columns.concat(List<Column> columns)	Concatenates multiple columns of the same logical type.
Column	Column.copy(ColumnName x)	Creates a copy of this column with the supplied column name.
static <T extends Enum<T>> Column	Columns.newView(Column c, ViewIndex rowIndex)	Returns a row view of the supplied column.
Column	Column.selectRow(int i)	Returns a single-row column containing the value from the supplied row.
default Column	ColumnBoolean.selectRow(int i)
default Column	ColumnByte.selectRow(int i)
default Column	ColumnDouble.selectRow(int i)
default Column	ColumnInt.selectRow(int i)
default Column	ColumnLong.selectRow(int i)
static Column	Columns.sort(Column column)	Returns a sorted view using the column's natural row comparison.
static Column	Columns.sort(Column column, ComparatorInt comparator)	Returns a sorted view using the supplied row comparator.
Column	Column.view(ViewIndex rowIndex)	Returns a projected view of this column using the supplied row mapping.

Methods in app.babylon.table.column with parameters of type Column

Modifier and Type	Method	Description
static ColumnObject<String>	Columns.asStringColumn(Column column)	Casts a generic column to a string column.
static boolean	Columns.isEmpty(Column column)	Returns whether the column has no rows.
static boolean	Columns.isStringColumn(Column column)	Returns whether the column stores strings.
static <T extends Enum<T>> Column	Columns.newView(Column c, ViewIndex rowIndex)	Returns a row view of the supplied column.
static Column	Columns.sort(Column column)	Returns a sorted view using the column's natural row comparison.
static Column	Columns.sort(Column column, ComparatorInt comparator)	Returns a sorted view using the supplied row comparator.
static ColumnObject<BigDecimal>	Columns.stringToDecimal(Column column)	Converts a string column to decimals.
static <S> ColumnObject<S>	Columns.stringToType(Column column, Function<String,S> parser, Column.Type targetType)	Converts a string column to another object type using the supplied parser.
static String	Columns.toString(Column column)	Returns a short preview string for a column.

Method parameters in app.babylon.table.column with type arguments of type Column

Modifier and Type	Method	Description
static Column	Columns.concat(List<Column> columns)	Concatenates multiple columns of the same logical type.

Uses of Column in app.babylon.table.dsl

Method parameters in app.babylon.table.dsl with type arguments of type Column

Modifier and Type	Method	Description
RowPredicate	ComparisonCondition.prepare(Map<ColumnName,Column> columnsByName)
RowPredicate	ConditionExpression.prepare(Map<ColumnName,Column> columnsByName)
RowPredicate	LogicalCondition.prepare(Map<ColumnName,Column> columnsByName)

Uses of Column in app.babylon.table.plans

Methods in app.babylon.table.plans with parameters of type Column

Modifier and Type	Method	Description
TableColumnar	TablePlanRead.execute(TableName tableName, Column... columns)
TableColumnar	TablePlanRead.execute(TableName tableName, TableDescription tableDescription, Column... columns)

Uses of Column in app.babylon.table.transform

Methods in app.babylon.table.transform that return Column

Modifier and Type	Method	Description
Column	TransformStringToType.apply(Column column)
Column	TransformAnyToString.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformClassify.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformCoalesce.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformConcat.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformConstant.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformCopy.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformDecimalBinaryOperator.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformExtractFromColumnName.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformFlag.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformMetadataConstant.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformRound.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformTakeToType.transform(Map<ColumnName,Column> columnsByName, int rowCount)
default Column	TransformToColumn.transform(TableColumnar table)
Column	TransformToColumn.transform(Map<ColumnName,Column> columnsByName, int rowCount)

Methods in app.babylon.table.transform with parameters of type Column

Modifier and Type	Method	Description
Column	TransformStringToType.apply(Column column)
static boolean	ColumnLocalDates.isLocalDate(Column column)	Returns whether the column is already local-date typed or can be inferred as local-date text.

Method parameters in app.babylon.table.transform with type arguments of type Column

Modifier and Type	Method	Description
default void	Transform.apply(SourceMetadata metadata, Map<ColumnName,Column> columnsByName)
void	Transform.apply(Map<ColumnName,Column> columnsByName)
void	TransformMetadataConstant.apply(SourceMetadata metadata, Map<ColumnName,Column> columnsByName)
void	TransformRemove.apply(Map<ColumnName,Column> columnsByName)
void	TransformRetain.apply(Map<ColumnName,Column> columnsByName)
void	TransformSplit.apply(Map<ColumnName,Column> columnsByName)
default void	TransformToColumn.apply(Map<ColumnName,Column> columnsByName)
void	TransformToLocalDate.apply(Map<ColumnName,Column> columnsByName)
Column	TransformAnyToString.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformClassify.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformCoalesce.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformConcat.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformConstant.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformCopy.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformDecimalBinaryOperator.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformExtractFromColumnName.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformFlag.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformMetadataConstant.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformRound.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformTakeToType.transform(Map<ColumnName,Column> columnsByName, int rowCount)
Column	TransformToColumn.transform(Map<ColumnName,Column> columnsByName, int rowCount)