Uses of Class
org.bytedeco.arrow.Expression

Packages that use Expression

Package	Description
org.bytedeco.arrow
org.bytedeco.arrow_dataset
org.bytedeco.arrow.global

Uses of Expression in org.bytedeco.arrow

Methods in org.bytedeco.arrow that return Expression

Modifier and Type	Method and Description
Expression	ExpressionResult.access()
Expression	ExpressionResult.access()
Expression	Expression.Call.arguments()
Expression	Expression.Call.arguments()
Expression	Expression.getPointer(long i)
Expression	Expression.getPointer(long i)
Expression	ExecBatch.guarantee() A predicate Expression guaranteed to evaluate to true for all rows in this batch.
Expression	ExecBatch.guarantee() A predicate Expression guaranteed to evaluate to true for all rows in this batch.
Expression	ExpressionResult.MoveValueUnsafe()
Expression	ExpressionResult.MoveValueUnsafe()
Expression	ExpressionResult.multiply()
Expression	ExpressionResult.multiply()
Expression	Expression.position(long position)
Expression	Expression.position(long position)
Expression	ExpressionResult.ValueOrDie() Gets a mutable reference to the stored T value.
Expression	ExpressionResult.ValueOrDie() Gets a mutable reference to the stored T value.
Expression	ExpressionResult.ValueUnsafe() Cast the internally stored value to produce a new result or propagate the stored error.
Expression	ExpressionResult.ValueUnsafe() Cast the internally stored value to produce a new result or propagate the stored error.

Methods in org.bytedeco.arrow with parameters of type Expression

Modifier and Type	Method and Description
long	Expression.Hash.apply(Expression expr)
long	Expression.Hash.apply(Expression expr)
Expression.Call	Expression.Call.arguments(Expression setter)
Expression.Call	Expression.Call.arguments(Expression setter)
boolean	Expression.Equals(Expression other)
boolean	Expression.Equals(Expression other)
ExecBatch	ExecBatch.guarantee(Expression setter)
ExecBatch	ExecBatch.guarantee(Expression setter)

Constructors in org.bytedeco.arrow with parameters of type Expression

Constructor and Description
ExpressionResult(Expression value) Constructs a Result object that contains value.
ExpressionResult(Expression value) Constructs a Result object that contains value.

Uses of Expression in org.bytedeco.arrow_dataset

Methods in org.bytedeco.arrow_dataset that return Expression

Modifier and Type	Method and Description
Expression	Partitioning.PartitionedBatches.expressions()
Expression	Partitioning.PartitionedBatches.expressions()
Expression	ScanOptions.filter() A row filter (which will be pushed down to partitioning/reading if supported).
Expression	ScanOptions.filter() A row filter (which will be pushed down to partitioning/reading if supported).
Expression	Dataset.partition_expression() \brief An expression which evaluates to true for all data viewed by this Dataset.
Expression	Fragment.partition_expression() \brief An expression which evaluates to true for all data viewed by this Fragment.
Expression	Fragment.partition_expression() \brief An expression which evaluates to true for all data viewed by this Fragment.
Expression	Dataset.partition_expression() \brief An expression which evaluates to true for all data viewed by this Dataset.
Expression	ScanOptions.projection() A projection expression (which can add/remove/rename columns).
Expression	ScanOptions.projection() A projection expression (which can add/remove/rename columns).
Expression	DatasetFactory.root_partition() \brief Optional root partition for the resulting Dataset.
Expression	DatasetFactory.root_partition() \brief Optional root partition for the resulting Dataset.

Methods in org.bytedeco.arrow_dataset with parameters of type Expression

Modifier and Type	Method and Description
LongOptionalFuture	FileFragment.CountRows(Expression predicate, ScanOptions options)
LongOptionalFuture	Fragment.CountRows(Expression predicate, ScanOptions options) \brief Count the number of rows in this fragment matching the filter using metadata only.
LongOptionalFuture	InMemoryFragment.CountRows(Expression predicate, ScanOptions options)
LongOptionalFuture	InMemoryFragment.CountRows(Expression predicate, ScanOptions options)
LongOptionalFuture	Fragment.CountRows(Expression predicate, ScanOptions options) \brief Count the number of rows in this fragment matching the filter using metadata only.
LongOptionalFuture	FileFragment.CountRows(Expression predicate, ScanOptions options)
LongOptionalFuture	CsvFileFormat.CountRows(FileFragment file, Expression predicate, ScanOptions options)
LongOptionalFuture	FileFormat.CountRows(FileFragment file, Expression predicate, ScanOptions options)
LongOptionalFuture	IpcFileFormat.CountRows(FileFragment file, Expression predicate, ScanOptions options)
LongOptionalFuture	ParquetFileFormat.CountRows(FileFragment file, Expression predicate, ScanOptions options)
LongOptionalFuture	ParquetFileFormat.CountRows(FileFragment file, Expression predicate, ScanOptions options)
LongOptionalFuture	IpcFileFormat.CountRows(FileFragment file, Expression predicate, ScanOptions options)
LongOptionalFuture	FileFormat.CountRows(FileFragment file, Expression predicate, ScanOptions options)
LongOptionalFuture	CsvFileFormat.CountRows(FileFragment file, Expression predicate, ScanOptions options)
Partitioning.PartitionedBatches	Partitioning.PartitionedBatches.expressions(Expression setter)
Partitioning.PartitionedBatches	Partitioning.PartitionedBatches.expressions(Expression setter)
ScanOptions	ScanOptions.filter(Expression setter)
ScanOptions	ScanOptions.filter(Expression setter)
Status	ScannerBuilder.Filter(Expression filter) \brief Set the filter expression to return only rows matching the filter.
Status	ScannerBuilder.Filter(Expression filter) \brief Set the filter expression to return only rows matching the filter.
StringResult	FunctionPartitioning.Format(Expression expr)
StringResult	KeyValuePartitioning.Format(Expression expr)
StringResult	Partitioning.Format(Expression expr)
StringResult	Partitioning.Format(Expression expr)
StringResult	KeyValuePartitioning.Format(Expression expr)
StringResult	FunctionPartitioning.Format(Expression expr)
FragmentIteratorResult	Dataset.GetFragments(Expression predicate) \brief GetFragments returns an iterator of Fragments given a predicate.
FragmentIteratorResult	Dataset.GetFragments(Expression predicate) \brief GetFragments returns an iterator of Fragments given a predicate.
static FileSystemDatasetResult	FileSystemDataset.Make(Schema schema, Expression root_partition, FileFormat format, FileSystem filesystem, FileFragmentVector fragments)
static FileSystemDatasetResult	FileSystemDataset.Make(Schema schema, Expression root_partition, FileFormat format, FileSystem filesystem, FileFragmentVector fragments)
static FileSystemDatasetResult	FileSystemDataset.Make(Schema schema, Expression root_partition, FileFormat format, FileSystem filesystem, FileFragmentVector fragments, Partitioning partitioning) \brief Create a FileSystemDataset.
static FileSystemDatasetResult	FileSystemDataset.Make(Schema schema, Expression root_partition, FileFormat format, FileSystem filesystem, FileFragmentVector fragments, Partitioning partitioning) \brief Create a FileSystemDataset.
FileFragmentResult	FileFormat.MakeFragment(FileSource source, Expression partition_expression) \brief Create a FileFragment for a FileSource.
FileFragmentResult	FileFormat.MakeFragment(FileSource source, Expression partition_expression) \brief Create a FileFragment for a FileSource.
FileFragmentResult	FileFormat.MakeFragment(FileSource source, Expression partition_expression, Schema physical_schema) \brief Open a fragment
FileFragmentResult	ParquetFileFormat.MakeFragment(FileSource source, Expression partition_expression, Schema physical_schema) \brief Create a Fragment targeting all RowGroups.
FileFragmentResult	ParquetFileFormat.MakeFragment(FileSource source, Expression partition_expression, Schema physical_schema) \brief Create a Fragment targeting all RowGroups.
FileFragmentResult	FileFormat.MakeFragment(FileSource source, Expression partition_expression, Schema physical_schema) \brief Open a fragment
ParquetFileFragmentResult	ParquetFileFormat.MakeFragment(FileSource source, Expression partition_expression, Schema physical_schema, int[] row_groups)
ParquetFileFragmentResult	ParquetFileFormat.MakeFragment(FileSource source, Expression partition_expression, Schema physical_schema, int[] row_groups)
ParquetFileFragmentResult	ParquetFileFormat.MakeFragment(FileSource source, Expression partition_expression, Schema physical_schema, IntBuffer row_groups)
ParquetFileFragmentResult	ParquetFileFormat.MakeFragment(FileSource source, Expression partition_expression, Schema physical_schema, IntBuffer row_groups)
ParquetFileFragmentResult	ParquetFileFormat.MakeFragment(FileSource source, Expression partition_expression, Schema physical_schema, IntPointer row_groups) \brief Create a Fragment, restricted to the specified row groups.
ParquetFileFragmentResult	ParquetFileFormat.MakeFragment(FileSource source, Expression partition_expression, Schema physical_schema, IntPointer row_groups) \brief Create a Fragment, restricted to the specified row groups.
Status	ScannerBuilder.Project(Expression exprs, StringVector names) \brief Set expressions which will be evaluated to produce the materialized columns.
Status	ScannerBuilder.Project(Expression exprs, StringVector names) \brief Set expressions which will be evaluated to produce the materialized columns.
ScanOptions	ScanOptions.projection(Expression setter)
ScanOptions	ScanOptions.projection(Expression setter)
Status	DatasetFactory.SetRootPartition(Expression partition) \brief Set the root partition for the resulting Dataset.
Status	DatasetFactory.SetRootPartition(Expression partition) \brief Set the root partition for the resulting Dataset.
FragmentResult	ParquetFileFragment.SplitByRowGroup(Expression predicate)
FragmentResult	ParquetFileFragment.SplitByRowGroup(Expression predicate)
FragmentResult	ParquetFileFragment.Subset(Expression predicate) \brief Return fragment which selects a filtered subset of this fragment's RowGroups.
FragmentResult	ParquetFileFragment.Subset(Expression predicate) \brief Return fragment which selects a filtered subset of this fragment's RowGroups.

Constructors in org.bytedeco.arrow_dataset with parameters of type Expression

Constructor and Description
InMemoryFragment(RecordBatchVector record_batches, Expression arg1)
InMemoryFragment(RecordBatchVector record_batches, Expression arg1)
InMemoryFragment(Schema schema, RecordBatchVector record_batches, Expression arg2)
InMemoryFragment(Schema schema, RecordBatchVector record_batches, Expression arg2)

Uses of Expression in org.bytedeco.arrow.global

Methods in org.bytedeco.arrow.global that return Expression

Modifier and Type	Method and Description
static Expression	arrow.and_(Expression arg0)
static Expression	arrow.and_(Expression arg0)
static Expression	arrow.and_(Expression lhs, Expression rhs)
static Expression	arrow.and_(Expression lhs, Expression rhs)
static Expression	arrow.call(BytePointer function, Expression arguments)
static Expression	arrow.call(BytePointer function, Expression arguments)
static Expression	arrow.call(BytePointer function, Expression arguments, FunctionOptions options)
static Expression	arrow.call(BytePointer function, Expression arguments, FunctionOptions options)
static Expression	arrow.call(String function, Expression arguments)
static Expression	arrow.call(String function, Expression arguments)
static Expression	arrow.call(String function, Expression arguments, FunctionOptions options)
static Expression	arrow.call(String function, Expression arguments, FunctionOptions options)
static Expression	arrow.equal(Expression lhs, Expression rhs)
static Expression	arrow.equal(Expression lhs, Expression rhs)
static Expression	arrow.field_ref(FieldRef ref)
static Expression	arrow.field_ref(FieldRef ref)
static Expression	arrow.greater_equal(Expression lhs, Expression rhs)
static Expression	arrow.greater_equal(Expression lhs, Expression rhs)
static Expression	arrow.greater(Expression lhs, Expression rhs)
static Expression	arrow.greater(Expression lhs, Expression rhs)
static Expression	arrow.is_null(Expression lhs)
static Expression	arrow.is_null(Expression lhs)
static Expression	arrow.is_null(Expression lhs, boolean nan_is_null)
static Expression	arrow.is_null(Expression lhs, boolean nan_is_null)
static Expression	arrow.is_valid(Expression lhs)
static Expression	arrow.is_valid(Expression lhs)
static Expression	arrow.less_equal(Expression lhs, Expression rhs)
static Expression	arrow.less_equal(Expression lhs, Expression rhs)
static Expression	arrow.less(Expression lhs, Expression rhs)
static Expression	arrow.less(Expression lhs, Expression rhs)
static Expression	arrow.literal(Datum lit)
static Expression	arrow.literal(Datum lit)
static Expression	arrow.not_(Expression operand)
static Expression	arrow.not_(Expression operand)
static Expression	arrow.not_equal(Expression lhs, Expression rhs)
static Expression	arrow.not_equal(Expression lhs, Expression rhs)
static Expression	arrow.or_(Expression arg0)
static Expression	arrow.or_(Expression arg0)
static Expression	arrow.or_(Expression lhs, Expression rhs)
static Expression	arrow.or_(Expression lhs, Expression rhs)
static Expression	arrow.project(Expression values, StringVector names)
static Expression	arrow.project(Expression values, StringVector names)

Methods in org.bytedeco.arrow.global with parameters of type Expression

Modifier and Type	Method and Description
static Expression	arrow.and_(Expression arg0)
static Expression	arrow.and_(Expression arg0)
static Expression	arrow.and_(Expression lhs, Expression rhs)
static Expression	arrow.and_(Expression lhs, Expression rhs)
static Expression	arrow.call(BytePointer function, Expression arguments)
static Expression	arrow.call(BytePointer function, Expression arguments)
static Expression	arrow.call(BytePointer function, Expression arguments, FunctionOptions options)
static Expression	arrow.call(BytePointer function, Expression arguments, FunctionOptions options)
static Expression	arrow.call(String function, Expression arguments)
static Expression	arrow.call(String function, Expression arguments)
static Expression	arrow.call(String function, Expression arguments, FunctionOptions options)
static Expression	arrow.call(String function, Expression arguments, FunctionOptions options)
static ExpressionResult	arrow.Canonicalize(Expression arg0)
static ExpressionResult	arrow.Canonicalize(Expression arg0)
static ExpressionResult	arrow.Canonicalize(Expression arg0, ExecContext arg1) \defgroup expression-passes Functions for modification of Expressions \{ These transform bound expressions.
static ExpressionResult	arrow.Canonicalize(Expression arg0, ExecContext arg1) \defgroup expression-passes Functions for modification of Expressions \{ These transform bound expressions.
static Expression	arrow.equal(Expression lhs, Expression rhs)
static Expression	arrow.equal(Expression lhs, Expression rhs)
static boolean	arrow.equals(Expression l, Expression r) \brief See VectorKernel::finalize member for usage
static boolean	arrow.equals(Expression l, Expression r) \brief See VectorKernel::finalize member for usage
static DatumResult	arrow.ExecuteScalarExpression(Expression arg0, ExecBatch input)
static DatumResult	arrow.ExecuteScalarExpression(Expression arg0, ExecBatch input)
static DatumResult	arrow.ExecuteScalarExpression(Expression arg0, ExecBatch input, ExecContext arg2) Execute a scalar expression against the provided state and input ExecBatch.
static DatumResult	arrow.ExecuteScalarExpression(Expression arg0, ExecBatch input, ExecContext arg2) Execute a scalar expression against the provided state and input ExecBatch.
static DatumResult	arrow.ExecuteScalarExpression(Expression arg0, Schema full_schema, Datum partial_input)
static DatumResult	arrow.ExecuteScalarExpression(Expression arg0, Schema full_schema, Datum partial_input)
static DatumResult	arrow.ExecuteScalarExpression(Expression arg0, Schema full_schema, Datum partial_input, ExecContext arg3) Convenience function for invoking against a RecordBatch
static DatumResult	arrow.ExecuteScalarExpression(Expression arg0, Schema full_schema, Datum partial_input, ExecContext arg3) Convenience function for invoking against a RecordBatch
static boolean	arrow.ExpressionHasFieldRefs(Expression arg0) Check if the expression references any fields.
static boolean	arrow.ExpressionHasFieldRefs(Expression arg0) Check if the expression references any fields.
static FieldRef	arrow.FieldsInExpression(Expression arg0) Assemble a list of all fields referenced by an Expression at any depth.
static FieldRef	arrow.FieldsInExpression(Expression arg0) Assemble a list of all fields referenced by an Expression at any depth.
static ExpressionResult	arrow.FoldConstants(Expression arg0) Simplify Expressions based on literal arguments (for example, add(null, x) will always be null so replace the call with a null literal).
static ExpressionResult	arrow.FoldConstants(Expression arg0) Simplify Expressions based on literal arguments (for example, add(null, x) will always be null so replace the call with a null literal).
static Expression	arrow.greater_equal(Expression lhs, Expression rhs)
static Expression	arrow.greater_equal(Expression lhs, Expression rhs)
static Expression	arrow.greater(Expression lhs, Expression rhs)
static Expression	arrow.greater(Expression lhs, Expression rhs)
static Expression	arrow.is_null(Expression lhs)
static Expression	arrow.is_null(Expression lhs)
static Expression	arrow.is_null(Expression lhs, boolean nan_is_null)
static Expression	arrow.is_null(Expression lhs, boolean nan_is_null)
static Expression	arrow.is_valid(Expression lhs)
static Expression	arrow.is_valid(Expression lhs)
static Expression	arrow.less_equal(Expression lhs, Expression rhs)
static Expression	arrow.less_equal(Expression lhs, Expression rhs)
static Expression	arrow.less(Expression lhs, Expression rhs)
static Expression	arrow.less(Expression lhs, Expression rhs)
static Expression	arrow.not_(Expression operand)
static Expression	arrow.not_(Expression operand)
static Expression	arrow.not_equal(Expression lhs, Expression rhs)
static Expression	arrow.not_equal(Expression lhs, Expression rhs)
static boolean	arrow.notEquals(Expression l, Expression r)
static boolean	arrow.notEquals(Expression l, Expression r)
static Expression	arrow.or_(Expression arg0)
static Expression	arrow.or_(Expression arg0)
static Expression	arrow.or_(Expression lhs, Expression rhs)
static Expression	arrow.or_(Expression lhs, Expression rhs)
static Expression	arrow.project(Expression values, StringVector names)
static Expression	arrow.project(Expression values, StringVector names)
static BufferResult	arrow.Serialize(Expression arg0)
static BufferResult	arrow.Serialize(Expression arg0)
static ExpressionResult	arrow.SimplifyWithGuarantee(Expression arg0, Expression guaranteed_true_predicate) Simplify an expression by replacing subexpressions based on a guarantee: a boolean expression which is guaranteed to evaluate to true.
static ExpressionResult	arrow.SimplifyWithGuarantee(Expression arg0, Expression guaranteed_true_predicate) Simplify an expression by replacing subexpressions based on a guarantee: a boolean expression which is guaranteed to evaluate to true.