Package io.substrait.expression.proto

Class ProtoExpressionConverter

java.lang.Object

io.substrait.expression.proto.ProtoExpressionConverter

public class ProtoExpressionConverter
extends Object

Converts from Expression to Expression

Field Summary

Fields

Modifier and Type	Field	Description
static final Type.Struct	EMPTY_TYPE

Constructor Summary

Constructors

Constructor	Description
ProtoExpressionConverter(ExtensionLookup lookup, SimpleExtension.ExtensionCollection extensions, Type.Struct rootType, ProtoRelConverter relConverter)

Method Summary

Modifier and Type	Method	Description
Expression	from(Expression expr)
FieldReference	from(Expression.FieldReference reference)
Expression.Literal	from(Expression.Literal literal)
static FunctionOption	fromFunctionOption(FunctionOption o)
Expression.SortField	fromSortField(SortField s)
Expression.WindowFunctionInvocation	fromWindowFunction(Expression.WindowFunction windowFunction)
ConsistentPartitionWindow.WindowRelFunctionInvocation	fromWindowRelFunction(ConsistentPartitionWindowRel.WindowRelFunction windowRelFunction)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

EMPTY_TYPE

public static final Type.Struct EMPTY_TYPE

Constructor Details

ProtoExpressionConverter

public ProtoExpressionConverter(ExtensionLookup lookup,
 SimpleExtension.ExtensionCollection extensions,
 Type.Struct rootType,
 ProtoRelConverter relConverter)

Method Details

from

public FieldReference from(Expression.FieldReference reference)

from

public Expression from(Expression expr)

fromWindowFunction

public Expression.WindowFunctionInvocation fromWindowFunction(Expression.WindowFunction windowFunction)

fromWindowRelFunction

public ConsistentPartitionWindow.WindowRelFunctionInvocation fromWindowRelFunction(ConsistentPartitionWindowRel.WindowRelFunction windowRelFunction)

from

public Expression.Literal from(Expression.Literal literal)

fromSortField

public Expression.SortField fromSortField(SortField s)

fromFunctionOption

public static FunctionOption fromFunctionOption(FunctionOption o)