io.prestosql.operator.scalar

Class MapToJsonCast

java.lang.Object

io.prestosql.metadata.SqlScalarFunction

io.prestosql.metadata.SqlOperator

io.prestosql.operator.scalar.MapToJsonCast

All Implemented Interfaces:

SqlFunction

public class MapToJsonCast
extends SqlOperator

Field Summary

Fields

Modifier and Type	Field and Description
static MapToJsonCast	MAP_TO_JSON

Method Summary

Modifier and Type	Method and Description
ScalarFunctionImplementation	specialize(BoundVariables boundVariables, int arity, TypeManager typeManager, FunctionRegistry functionRegistry)
static io.airlift.slice.Slice	toJson(JsonUtil.ObjectKeyProvider provider, JsonUtil.JsonGeneratorWriter writer, ConnectorSession session, Block block)

Methods inherited from class io.prestosql.metadata.SqlOperator

getDescription, isDeterministic, isHidden

Methods inherited from class io.prestosql.metadata.SqlScalarFunction

builder, getSignature

Methods inherited from class java.lang.Object

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

Field Detail

MAP_TO_JSON

public static final MapToJsonCast MAP_TO_JSON

Method Detail

specialize

public ScalarFunctionImplementation specialize(BoundVariables boundVariables,
                                               int arity,
                                               TypeManager typeManager,
                                               FunctionRegistry functionRegistry)

Specified by:

specialize in class SqlScalarFunction

toJson

public static io.airlift.slice.Slice toJson(JsonUtil.ObjectKeyProvider provider,
                                            JsonUtil.JsonGeneratorWriter writer,
                                            ConnectorSession session,
                                            Block block)