A B C D E F G H I J L M O P R S T U W

A

add(StructField) - Method in class io.delta.kernel.types.StructType

add(String, DataType) - Method in class io.delta.kernel.types.StructType

add(String, DataType, boolean) - Method in class io.delta.kernel.types.StructType

add(String, DataType, Map<String, String>) - Method in class io.delta.kernel.types.StructType

ALWAYS_FALSE - Static variable in class io.delta.kernel.expressions.AlwaysFalse

ALWAYS_TRUE - Static variable in class io.delta.kernel.expressions.AlwaysTrue

AlwaysFalse - Class in io.delta.kernel.expressions

Predicate which always evaluates to false.

AlwaysTrue - Class in io.delta.kernel.expressions

Predicate which always evaluates to true.

And - Class in io.delta.kernel.expressions

AND expression

And(Predicate, Predicate) - Constructor for class io.delta.kernel.expressions.And

ArrayType - Class in io.delta.kernel.types

Represent array data type

ArrayType(DataType, boolean) - Constructor for class io.delta.kernel.types.ArrayType

ArrayValue - Interface in io.delta.kernel.data

Abstraction to represent a single array value in a ColumnVector.

at(int) - Method in class io.delta.kernel.types.StructType

B

BasePrimitiveType - Class in io.delta.kernel.types

Base class for all primitive types DataType.

BINARY - Static variable in class io.delta.kernel.types.BinaryType

BinaryType - Class in io.delta.kernel.types

The data type representing byte[] values.

BOOLEAN - Static variable in class io.delta.kernel.types.BooleanType

BooleanType - Class in io.delta.kernel.types

Data type representing boolean type values.

build() - Method in interface io.delta.kernel.ScanBuilder

BYTE - Static variable in class io.delta.kernel.types.ByteType

ByteType - Class in io.delta.kernel.types

The data type representing byte type values.

C

close() - Method in interface io.delta.kernel.data.ColumnVector

Cleans up memory for this column vector.

CloseableIterator<T> - Interface in io.delta.kernel.utils

Closeable extension of Iterator

Column - Class in io.delta.kernel.expressions

An expression type that refers to a column (case-sensitive) in the input.

Column(String) - Constructor for class io.delta.kernel.expressions.Column

Create a column expression for referring to a column.

Column(String[]) - Constructor for class io.delta.kernel.expressions.Column

Create a column expression to refer to a nested column.

column(int) - Method in class io.delta.kernel.types.StructType

Creates a Column expression for the field at the given ordinal

ColumnarBatch - Interface in io.delta.kernel.data

Represents zero or more rows of records with same schema type.

ColumnVector - Interface in io.delta.kernel.data

Represents zero or more values of a single column.

containsNull() - Method in class io.delta.kernel.types.ArrayType

contextualizeFileReads(CloseableIterator<Row>, Predicate) - Method in interface io.delta.kernel.client.FileHandler

Associates a connector specific FileReadContext for each scan file represented by a Row in fileIter.

contextualizeFileReads(CloseableIterator<Row>, Predicate) - Method in class io.delta.kernel.defaults.client.DefaultFileHandler

create(Configuration) - Static method in class io.delta.kernel.defaults.client.DefaultTableClient

Create an instance of DefaultTableClient.

createPrimitive(String) - Static method in class io.delta.kernel.types.BasePrimitiveType

Create a primitive type DataType

createSelectionVector(boolean[], int, int) - Method in interface io.delta.kernel.client.ExpressionHandler

Create a selection vector, a boolean type ColumnVector, on top of the range of values given in values array.

createSelectionVector(boolean[], int, int) - Method in class io.delta.kernel.defaults.client.DefaultExpressionHandler

D

DataType - Class in io.delta.kernel.types

Base class for all data types.

DataType() - Constructor for class io.delta.kernel.types.DataType

DATE - Static variable in class io.delta.kernel.types.DateType

DateType - Class in io.delta.kernel.types

A date type, supporting "0001-01-01" through "9999-12-31".

DecimalType - Class in io.delta.kernel.types

The data type representing java.math.BigDecimal values.

DecimalType(int, int) - Constructor for class io.delta.kernel.types.DecimalType

DefaultExpressionHandler - Class in io.delta.kernel.defaults.client

Default implementation of ExpressionHandler

DefaultExpressionHandler() - Constructor for class io.delta.kernel.defaults.client.DefaultExpressionHandler

DefaultFileHandler - Class in io.delta.kernel.defaults.client

Default client implementation of FileHandler.

DefaultFileHandler() - Constructor for class io.delta.kernel.defaults.client.DefaultFileHandler

DefaultFileReadContext - Class in io.delta.kernel.defaults.client

Default implementation of FileReadContext.

DefaultFileReadContext(Row) - Constructor for class io.delta.kernel.defaults.client.DefaultFileReadContext

DefaultFileSystemClient - Class in io.delta.kernel.defaults.client

Default implementation of FileSystemClient based on Hadoop APIs.

DefaultFileSystemClient(Configuration) - Constructor for class io.delta.kernel.defaults.client.DefaultFileSystemClient

DefaultJsonHandler - Class in io.delta.kernel.defaults.client

Default implementation of JsonHandler based on Hadoop APIs.

DefaultJsonHandler(Configuration) - Constructor for class io.delta.kernel.defaults.client.DefaultJsonHandler

DefaultParquetHandler - Class in io.delta.kernel.defaults.client

Default implementation of ParquetHandler based on Hadoop APIs.

DefaultParquetHandler(Configuration) - Constructor for class io.delta.kernel.defaults.client.DefaultParquetHandler

Create an instance of default ParquetHandler implementation.

DefaultTableClient - Class in io.delta.kernel.defaults.client

Default implementation of TableClient based on Hadoop APIs.

DOUBLE - Static variable in class io.delta.kernel.types.DoubleType

DoubleType - Class in io.delta.kernel.types

The data type representing double type values.

E

equals(Object) - Method in class io.delta.kernel.types.ArrayType

equals(Object) - Method in class io.delta.kernel.types.BasePrimitiveType

equals(Object) - Method in class io.delta.kernel.types.DataType

equals(Object) - Method in class io.delta.kernel.types.DecimalType

equals(Object) - Method in class io.delta.kernel.types.MapType

equals(Object) - Method in class io.delta.kernel.types.StructField

equals(Object) - Method in class io.delta.kernel.types.StructType

equivalent(DataType) - Method in class io.delta.kernel.types.ArrayType

equivalent(DataType) - Method in class io.delta.kernel.types.DataType

Are the data types same? The metadata or column names could be different.

equivalent(DataType) - Method in class io.delta.kernel.types.MapType

equivalent(DataType) - Method in class io.delta.kernel.types.StructType

eval(ColumnarBatch) - Method in interface io.delta.kernel.expressions.ExpressionEvaluator

Evaluate the expression on given ColumnarBatch data.

eval(ColumnarBatch, Optional<ColumnVector>) - Method in interface io.delta.kernel.expressions.PredicateEvaluator

Evaluate the predicate on given inputData.

Evolving - Annotation Type in io.delta.kernel.annotation

APIs that are meant to evolve towards becoming stable APIs, but are not stable APIs yet.

Expression - Interface in io.delta.kernel.expressions

Base interface for all Kernel expressions.

ExpressionEvaluator - Interface in io.delta.kernel.expressions

Interface for implementing an Expression evaluator.

ExpressionHandler - Interface in io.delta.kernel.client

Provides expression evaluation capability to Delta Kernel.

F

fieldNames() - Method in class io.delta.kernel.types.StructType

fields() - Method in class io.delta.kernel.types.StructType

FileDataReadResult - Interface in io.delta.kernel.data

Data read from a Delta table file and the corresponding scan file information.

FileHandler - Interface in io.delta.kernel.client

Provides file handling functionality to Delta Kernel.

FileReadContext - Interface in io.delta.kernel.client

Placeholder interface allowing connectors to attach their own custom implementation.

FileReadRequest - Interface in io.delta.kernel.client

Represents a request to read a range of bytes from a given file.

FileStatus - Class in io.delta.kernel.utils

Class for encapsulating metadata about a file in Delta Lake table.

FileSystemClient - Interface in io.delta.kernel.client

Provides file system related functionalities to Delta Kernel.

FilteredColumnarBatch - Class in io.delta.kernel.data

Represents a filtered version of ColumnarBatch.

FilteredColumnarBatch(ColumnarBatch, Optional<ColumnVector>) - Constructor for class io.delta.kernel.data.FilteredColumnarBatch

FLOAT - Static variable in class io.delta.kernel.types.FloatType

FloatType - Class in io.delta.kernel.types

The data type representing float type values.

forPath(TableClient, String) - Static method in interface io.delta.kernel.Table

Instantiate a table object for the Delta Lake table at the given path.

G

get(String) - Method in class io.delta.kernel.types.StructType

getAllPrimitiveTypes() - Static method in class io.delta.kernel.types.BasePrimitiveType

For testing only

getArray(int) - Method in interface io.delta.kernel.data.ColumnVector

Return the array value located at rowId.

getArray(int) - Method in interface io.delta.kernel.data.Row

Return array value of the column located at the given ordinal.

getBinary(int) - Method in interface io.delta.kernel.data.ColumnVector

Returns the binary type value for rowId.

getBinary(int) - Method in interface io.delta.kernel.data.Row

Return binary value of the column located at the given ordinal.

getBoolean(int) - Method in interface io.delta.kernel.data.ColumnVector

Returns the boolean type value for rowId.

getBoolean(int) - Method in interface io.delta.kernel.data.Row

Return boolean value of the column located at the given ordinal.

getByte(int) - Method in interface io.delta.kernel.data.ColumnVector

Returns the byte type value for rowId.

getByte(int) - Method in interface io.delta.kernel.data.Row

Return byte value of the column located at the given ordinal.

getChild(int) - Method in interface io.delta.kernel.data.ColumnVector

Get the child vector associated with the given ordinal.

getChildren() - Method in class io.delta.kernel.expressions.Column

getChildren() - Method in interface io.delta.kernel.expressions.Expression

getChildren() - Method in class io.delta.kernel.expressions.Literal

getChildren() - Method in class io.delta.kernel.expressions.PartitionValueExpression

getChildren() - Method in class io.delta.kernel.expressions.ScalarExpression

getColumnVector(int) - Method in interface io.delta.kernel.data.ColumnarBatch

Return the ColumnVector for the given ordinal in the columnar batch.

getData() - Method in interface io.delta.kernel.data.FileDataReadResult

Get the data read from the file.

getData() - Method in class io.delta.kernel.data.FilteredColumnarBatch

Return the data as ColumnarBatch.

getDataType() - Method in interface io.delta.kernel.data.ColumnVector

getDataType() - Method in class io.delta.kernel.expressions.Literal

Get the datatype of the literal object.

getDataType() - Method in class io.delta.kernel.expressions.PartitionValueExpression

Get the data type of the partition value.

getDataType() - Method in class io.delta.kernel.types.StructField

getDecimal(int) - Method in interface io.delta.kernel.data.ColumnVector

Returns the decimal type value for rowId.

getDecimal(int) - Method in interface io.delta.kernel.data.Row

Return decimal value of the column located at the given ordinal.

getDouble(int) - Method in interface io.delta.kernel.data.ColumnVector

Returns the double type value for rowId.

getDouble(int) - Method in interface io.delta.kernel.data.Row

Return double value of the column located at the given ordinal.

getElements() - Method in interface io.delta.kernel.data.ArrayValue

A ColumnVector containing the array elements with exactly ArrayValue.getSize() elements.

getElementType() - Method in class io.delta.kernel.types.ArrayType

getEvaluator(StructType, Expression, DataType) - Method in interface io.delta.kernel.client.ExpressionHandler

Create an ExpressionEvaluator that can evaluate the given expression on ColumnarBatchs with the given batchSchema.

getEvaluator(StructType, Expression, DataType) - Method in class io.delta.kernel.defaults.client.DefaultExpressionHandler

getExpressionHandler() - Method in interface io.delta.kernel.client.TableClient

Get the connector provided ExpressionHandler.

getExpressionHandler() - Method in class io.delta.kernel.defaults.client.DefaultTableClient

getFileSystemClient() - Method in interface io.delta.kernel.client.TableClient

Get the connector provided FileSystemClient.

getFileSystemClient() - Method in class io.delta.kernel.defaults.client.DefaultTableClient

getFloat(int) - Method in interface io.delta.kernel.data.ColumnVector

Returns the float type value for rowId.

getFloat(int) - Method in interface io.delta.kernel.data.Row

Return float value of the column located at the given ordinal.

getInput() - Method in class io.delta.kernel.expressions.PartitionValueExpression

Get the expression reference to the serialized partition value.

getInt(int) - Method in interface io.delta.kernel.data.ColumnVector

Returns the int type value for rowId.

getInt(int) - Method in interface io.delta.kernel.data.Row

Return integer value of the column located at the given ordinal.

getJsonHandler() - Method in interface io.delta.kernel.client.TableClient

Get the connector provided JsonHandler.

getJsonHandler() - Method in class io.delta.kernel.defaults.client.DefaultTableClient

getKeys() - Method in interface io.delta.kernel.data.MapValue

A ColumnVector containing the keys.

getKeyType() - Method in class io.delta.kernel.types.MapType

getLatestSnapshot(TableClient) - Method in interface io.delta.kernel.Table

Get the latest snapshot of the table.

getLeft() - Method in class io.delta.kernel.expressions.And

getLeft() - Method in class io.delta.kernel.expressions.Or

getLong(int) - Method in interface io.delta.kernel.data.ColumnVector

Returns the long type value for rowId.

getLong(int) - Method in interface io.delta.kernel.data.Row

Return long value of the column located at the given ordinal.

getMap(int) - Method in interface io.delta.kernel.data.ColumnVector

Return the map value located at rowId.

getMap(int) - Method in interface io.delta.kernel.data.Row

Return map value of the column located at the given ordinal.

getMessage() - Method in exception io.delta.kernel.TableNotFoundException

getMetadata() - Method in class io.delta.kernel.types.StructField

getModificationTime() - Method in class io.delta.kernel.utils.FileStatus

Get the modification time of the file in epoch millis.

getName() - Method in class io.delta.kernel.expressions.ScalarExpression

getName() - Method in class io.delta.kernel.types.StructField

getNames() - Method in class io.delta.kernel.expressions.Column

getParquetHandler() - Method in interface io.delta.kernel.client.TableClient

Get the connector provided ParquetHandler.

getParquetHandler() - Method in class io.delta.kernel.defaults.client.DefaultTableClient

getPath() - Method in interface io.delta.kernel.client.FileReadRequest

Get the fully qualified path of the file from which to read the data.

getPath() - Method in class io.delta.kernel.utils.FileStatus

Get the path to the file.

getPrecision() - Method in class io.delta.kernel.types.DecimalType

getPredicateEvaluator(StructType, Predicate) - Method in interface io.delta.kernel.client.ExpressionHandler

Create a PredicateEvaluator that can evaluate the given predicate expression and return a selection vector (ColumnVector of boolean type).

getPredicateEvaluator(StructType, Predicate) - Method in class io.delta.kernel.defaults.client.DefaultExpressionHandler

getReadLength() - Method in interface io.delta.kernel.client.FileReadRequest

Get the length of the data to read from the file starting at the startOffset.

getRemainingFilter() - Method in interface io.delta.kernel.Scan

Get the remaining filter that is not guaranteed to be satisfied for the data Delta Kernel returns.

getRight() - Method in class io.delta.kernel.expressions.And

getRight() - Method in class io.delta.kernel.expressions.Or

getRows() - Method in interface io.delta.kernel.data.ColumnarBatch

getRows() - Method in class io.delta.kernel.data.FilteredColumnarBatch

Iterator of rows that survived the filter.

getScale() - Method in class io.delta.kernel.types.DecimalType

getScanBuilder(TableClient) - Method in interface io.delta.kernel.Snapshot

Create a scan builder to construct a Scan to read data from this snapshot.

getScanFileRow() - Method in interface io.delta.kernel.client.FileReadContext

Get the scan file info associated with the read context.

getScanFileRow() - Method in interface io.delta.kernel.data.FileDataReadResult

Get the scan file information of the file from which the data is read as a Row.

getScanFileRow() - Method in class io.delta.kernel.defaults.client.DefaultFileReadContext

getScanFiles(TableClient) - Method in interface io.delta.kernel.Scan

Get an iterator of data files to scan.

getScanState(TableClient) - Method in interface io.delta.kernel.Scan

Get the scan state associated with the current scan.

getSchema() - Method in interface io.delta.kernel.data.ColumnarBatch

getSchema() - Method in interface io.delta.kernel.data.Row

getSchema(TableClient) - Method in interface io.delta.kernel.Snapshot

Get the schema of the table at this snapshot.

getSelectionVector() - Method in class io.delta.kernel.data.FilteredColumnarBatch

Optional selection vector containing one entry for each row in data indicating whether a row is selected or not selected.

getShort(int) - Method in interface io.delta.kernel.data.ColumnVector

Returns the short type value for rowId.

getShort(int) - Method in interface io.delta.kernel.data.Row

Return short value of the column located at the given ordinal.

getSize() - Method in interface io.delta.kernel.data.ArrayValue

The number of elements in the array

getSize() - Method in interface io.delta.kernel.data.ColumnarBatch

getSize() - Method in interface io.delta.kernel.data.ColumnVector

getSize() - Method in interface io.delta.kernel.data.MapValue

The number of elements in the map

getSize() - Method in class io.delta.kernel.utils.FileStatus

Get the size of the file in bytes.

getStartOffset() - Method in interface io.delta.kernel.client.FileReadRequest

Get the start offset in the file from where to start reading the data.

getString(int) - Method in interface io.delta.kernel.data.ColumnVector

Returns the string type value for rowId.

getString(int) - Method in interface io.delta.kernel.data.Row

Return string value of the column located at the given ordinal.

getStruct(int) - Method in interface io.delta.kernel.data.Row

Return struct value of the column located at the given ordinal.

getValue() - Method in class io.delta.kernel.expressions.Literal

Get the literal value.

getValues() - Method in interface io.delta.kernel.data.MapValue

A ColumnVector containing the values.

getValueType() - Method in class io.delta.kernel.types.MapType

getVersion(TableClient) - Method in interface io.delta.kernel.Snapshot

Get the version of this snapshot in the table.

H

hashCode() - Method in class io.delta.kernel.types.ArrayType

hashCode() - Method in class io.delta.kernel.types.BasePrimitiveType

hashCode() - Method in class io.delta.kernel.types.DataType

hashCode() - Method in class io.delta.kernel.types.DecimalType

hashCode() - Method in class io.delta.kernel.types.MapType

hashCode() - Method in class io.delta.kernel.types.StructField

hashCode() - Method in class io.delta.kernel.types.StructType

I

indexOf(String) - Method in class io.delta.kernel.types.StructType

INTEGER - Static variable in class io.delta.kernel.types.IntegerType

IntegerType - Class in io.delta.kernel.types

The data type representing integer type values.

io.delta.kernel - package io.delta.kernel

Delta Kernel interfaces for constructing table object representing a Delta Lake table, getting snapshot from the table and building a scan object to scan a subset of the data in the table.

io.delta.kernel.annotation - package io.delta.kernel.annotation

io.delta.kernel.client - package io.delta.kernel.client

Interfaces to allow the connector to bring their own implementation of functions such as reading parquet files, listing files in a file system, parsing a JSON string etc.

io.delta.kernel.data - package io.delta.kernel.data

Delta Kernel interfaces for representing data in columnar and row format.

io.delta.kernel.defaults.client - package io.delta.kernel.defaults.client

Default implementation of TableClient interface and the sub-interfaces exposed by the TableClient.

io.delta.kernel.expressions - package io.delta.kernel.expressions

Expressions framework that defines the most common expressions which the connectors can use to pass predicates to Delta Kernel.

io.delta.kernel.types - package io.delta.kernel.types

Data types defined by the Delta Kernel to exchange the type info between the Delta Kernel and the connectors.

io.delta.kernel.utils - package io.delta.kernel.utils

Utilities.

isDataColumn() - Method in class io.delta.kernel.types.StructField

isMetadataColumn() - Method in class io.delta.kernel.types.StructField

isNullable() - Method in class io.delta.kernel.types.StructField

isNullAt(int) - Method in interface io.delta.kernel.data.ColumnVector

isNullAt(int) - Method in interface io.delta.kernel.data.Row

isPrimitiveType(String) - Static method in class io.delta.kernel.types.BasePrimitiveType

Is the given type name a primitive type?

isValueContainsNull() - Method in class io.delta.kernel.types.MapType

J

JsonHandler - Interface in io.delta.kernel.client

Provides JSON handling functionality to Delta Kernel.

L

length() - Method in class io.delta.kernel.types.StructType

listFrom(String) - Method in interface io.delta.kernel.client.FileSystemClient

List the paths in the same directory that are lexicographically greater or equal to (UTF-8 sorting) the given `path`.

listFrom(String) - Method in class io.delta.kernel.defaults.client.DefaultFileSystemClient

Literal - Class in io.delta.kernel.expressions

A literal value.

LONG - Static variable in class io.delta.kernel.types.LongType

LongType - Class in io.delta.kernel.types

The data type representing long type values.

M

map(Function<T, U>) - Method in interface io.delta.kernel.utils.CloseableIterator

MapType - Class in io.delta.kernel.types

Data type representing a map type.

MapType(DataType, DataType, boolean) - Constructor for class io.delta.kernel.types.MapType

MapValue - Interface in io.delta.kernel.data

Abstraction to represent a single map value in a ColumnVector.

METADATA_ROW_INDEX_COLUMN - Static variable in class io.delta.kernel.types.StructField

METADATA_ROW_INDEX_COLUMN_NAME - Static variable in class io.delta.kernel.types.StructField

The name of a row index metadata column.

O

of(String, long, long) - Static method in class io.delta.kernel.utils.FileStatus

Create a FileStatus with the given path, size and modification time.

ofBinary(byte[]) - Static method in class io.delta.kernel.expressions.Literal

Create a binary type literal expression.

ofBoolean(boolean) - Static method in class io.delta.kernel.expressions.Literal

Create a boolean type literal expression.

ofByte(byte) - Static method in class io.delta.kernel.expressions.Literal

Create a byte type literal expression.

ofDate(int) - Static method in class io.delta.kernel.expressions.Literal

Create a date type literal expression.

ofDecimal(BigDecimal, int, int) - Static method in class io.delta.kernel.expressions.Literal

Create a decimal type literal expression.

ofDouble(double) - Static method in class io.delta.kernel.expressions.Literal

Create a double type literal expression.

ofFloat(float) - Static method in class io.delta.kernel.expressions.Literal

Create a float type literal expression.

ofInt(int) - Static method in class io.delta.kernel.expressions.Literal

Create a integer type literal expression.

ofLong(long) - Static method in class io.delta.kernel.expressions.Literal

Create a long type literal expression.

ofNull(DataType) - Static method in class io.delta.kernel.expressions.Literal

Create null value literal.

ofShort(short) - Static method in class io.delta.kernel.expressions.Literal

Create a short type literal expression.

ofString(String) - Static method in class io.delta.kernel.expressions.Literal

Create a string type literal expression.

ofTimestamp(long) - Static method in class io.delta.kernel.expressions.Literal

Create a timestamp type literal expression.

Or - Class in io.delta.kernel.expressions

OR expression

Or(Predicate, Predicate) - Constructor for class io.delta.kernel.expressions.Or

P

ParquetHandler - Interface in io.delta.kernel.client

Provides Parquet file related functionalities to Delta Kernel.

parseJson(ColumnVector, StructType) - Method in interface io.delta.kernel.client.JsonHandler

Parse the given json strings and return the fields requested by outputSchema as columns in a ColumnarBatch.

parseJson(ColumnVector, StructType) - Method in class io.delta.kernel.defaults.client.DefaultJsonHandler

PartitionValueExpression - Class in io.delta.kernel.expressions

Expression to decode the serialized partition value into partition type value according the Delta Protocol spec.

PartitionValueExpression(Expression, DataType) - Constructor for class io.delta.kernel.expressions.PartitionValueExpression

Create partition_value expression.

Predicate - Class in io.delta.kernel.expressions

Defines predicate scalar expression which is an extension of ScalarExpression that evaluates to true, false, or null for each input row.

Predicate(String, List<Expression>) - Constructor for class io.delta.kernel.expressions.Predicate

PredicateEvaluator - Interface in io.delta.kernel.expressions

Special interface for evaluating Predicate on input batch and return a selection vector containing one value for each row in input batch indicating whether the row has passed the predicate or not.

R

readData(TableClient, Row, CloseableIterator<Row>, Optional<Predicate>) - Static method in interface io.delta.kernel.Scan

Get the data from the given scan files using the connector provided TableClient.

readFiles(CloseableIterator<FileReadRequest>) - Method in interface io.delta.kernel.client.FileSystemClient

Return an iterator of byte streams one for each read request in readRequests.

readFiles(CloseableIterator<FileReadRequest>) - Method in class io.delta.kernel.defaults.client.DefaultFileSystemClient

readJsonFiles(CloseableIterator<FileReadContext>, StructType) - Method in interface io.delta.kernel.client.JsonHandler

Read and parse the JSON format file at given locations and return the data as a ColumnarBatch with the columns requested by physicalSchema.

readJsonFiles(CloseableIterator<FileReadContext>, StructType) - Method in class io.delta.kernel.defaults.client.DefaultJsonHandler

readParquetFiles(CloseableIterator<FileReadContext>, StructType) - Method in interface io.delta.kernel.client.ParquetHandler

Read the Parquet format files at the given locations and return the data as a ColumnarBatch with the columns requested by physicalSchema.

readParquetFiles(CloseableIterator<FileReadContext>, StructType) - Method in class io.delta.kernel.defaults.client.DefaultParquetHandler

resolvePath(String) - Method in interface io.delta.kernel.client.FileSystemClient

Resolve the given path to a fully qualified path.

resolvePath(String) - Method in class io.delta.kernel.defaults.client.DefaultFileSystemClient

Row - Interface in io.delta.kernel.data

Represent a single record

S

ScalarExpression - Class in io.delta.kernel.expressions

Scalar SQL expressions which take zero or more inputs and for each input row generate one output value.

ScalarExpression(String, List<Expression>) - Constructor for class io.delta.kernel.expressions.ScalarExpression

Scan - Interface in io.delta.kernel

Represents a scan of a Delta table.

ScanBuilder - Interface in io.delta.kernel

Builder to construct Scan object.

SHORT - Static variable in class io.delta.kernel.types.ShortType

ShortType - Class in io.delta.kernel.types

The data type representing short type values.

slice(int, int) - Method in interface io.delta.kernel.data.ColumnarBatch

Return a slice of the current batch.

Snapshot - Interface in io.delta.kernel

Represents the snapshot of a Delta table.

STRING - Static variable in class io.delta.kernel.types.StringType

StringType - Class in io.delta.kernel.types

The data type representing string type values.

StructField - Class in io.delta.kernel.types

Represents a subfield of StructType with additional properties and metadata.

StructField(String, DataType, boolean, Map<String, String>) - Constructor for class io.delta.kernel.types.StructField

StructType - Class in io.delta.kernel.types

Struct type which contains one or more columns.

StructType() - Constructor for class io.delta.kernel.types.StructType

StructType(List<StructField>) - Constructor for class io.delta.kernel.types.StructType

T

Table - Interface in io.delta.kernel

Represents the Delta Lake table for a given path.

TableClient - Interface in io.delta.kernel.client

Interface encapsulating all clients needed by the Delta Kernel in order to read the Delta table.

TableNotFoundException - Exception in io.delta.kernel

Thrown when there is no Delta table at the given location.

TableNotFoundException(String) - Constructor for exception io.delta.kernel.TableNotFoundException

TableNotFoundException(String, Throwable) - Constructor for exception io.delta.kernel.TableNotFoundException

TIMESTAMP - Static variable in class io.delta.kernel.types.TimestampType

TimestampType - Class in io.delta.kernel.types

A timestamp type, supporting [0001-01-01T00:00:00.000000Z, 9999-12-31T23:59:59.999999Z] where the left/right-bound is a date and time of the proleptic Gregorian calendar in UTC+00:00.

toJson() - Method in class io.delta.kernel.types.ArrayType

toJson() - Method in class io.delta.kernel.types.BasePrimitiveType

toJson() - Method in class io.delta.kernel.types.DataType

Convert the data type to Delta protocol specified serialization format.

toJson() - Method in class io.delta.kernel.types.DecimalType

toJson() - Method in class io.delta.kernel.types.MapType

toJson() - Method in class io.delta.kernel.types.StructField

toJson() - Method in class io.delta.kernel.types.StructType

toString() - Method in class io.delta.kernel.expressions.Column

toString() - Method in class io.delta.kernel.expressions.Literal

toString() - Method in class io.delta.kernel.expressions.PartitionValueExpression

toString() - Method in class io.delta.kernel.expressions.Predicate

toString() - Method in class io.delta.kernel.expressions.ScalarExpression

toString() - Method in class io.delta.kernel.types.ArrayType

toString() - Method in class io.delta.kernel.types.BasePrimitiveType

toString() - Method in class io.delta.kernel.types.DataType

toString() - Method in class io.delta.kernel.types.DecimalType

toString() - Method in class io.delta.kernel.types.MapType

toString() - Method in class io.delta.kernel.types.StructField

toString() - Method in class io.delta.kernel.types.StructType

U

USER_DEFAULT - Static variable in class io.delta.kernel.types.DecimalType

W

withDeletedColumnAt(int) - Method in interface io.delta.kernel.data.ColumnarBatch

Return a copy of this ColumnarBatch with the column at given ordinal removed.

withFilter(TableClient, Predicate) - Method in interface io.delta.kernel.ScanBuilder

Apply the given filter expression to prune any files that do not contain data satisfying the given filter.

withNewColumn(int, StructField, ColumnVector) - Method in interface io.delta.kernel.data.ColumnarBatch

Return a copy of the ColumnarBatch with given new column vector inserted at the given columnVector at given ordinal.

withNewSchema(StructType) - Method in interface io.delta.kernel.data.ColumnarBatch

Generate a copy of this ColumnarBatch with the given newSchema.

withReadSchema(TableClient, StructType) - Method in interface io.delta.kernel.ScanBuilder

Apply the given readSchema.

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