Package io.trino.operator.scalar.json

Class JsonQueryFunction

java.lang.Object

io.trino.metadata.SqlScalarFunction

io.trino.operator.scalar.json.JsonQueryFunction

All Implemented Interfaces:

SqlFunction

public class JsonQueryFunction
extends SqlScalarFunction

Field Summary

Fields

Modifier and Type	Field	Description
static final String	JSON_QUERY_FUNCTION_NAME

Constructor Summary

Constructors

Constructor	Description
JsonQueryFunction(FunctionManager functionManager, Metadata metadata, TypeManager typeManager)

Method Summary

Modifier and Type	Method	Description
static com.fasterxml.jackson.databind.JsonNode	jsonQuery(FunctionManager functionManager, Metadata metadata, TypeManager typeManager, Type parametersRowType, JsonPathInvocationContext invocationContext, ConnectorSession session, com.fasterxml.jackson.databind.JsonNode inputExpression, IrJsonPath jsonPath, SqlRow parametersRow, long wrapperBehavior, long emptyBehavior, long errorBehavior)
protected SpecializedSqlScalarFunction	specialize(BoundSignature boundSignature)

Methods inherited from class io.trino.metadata.SqlScalarFunction

getFunctionMetadata, specialize

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.trino.metadata.SqlFunction

getFunctionDependencies, getFunctionDependencies

Field Details

JSON_QUERY_FUNCTION_NAME

public static final String JSON_QUERY_FUNCTION_NAME

See Also:

• Constant Field Values

Constructor Details

JsonQueryFunction

public JsonQueryFunction(FunctionManager functionManager,
 Metadata metadata,
 TypeManager typeManager)

Method Details

specialize

protected SpecializedSqlScalarFunction specialize(BoundSignature boundSignature)

Overrides:

specialize in class SqlScalarFunction

jsonQuery

public static com.fasterxml.jackson.databind.JsonNode jsonQuery(FunctionManager functionManager,
 Metadata metadata,
 TypeManager typeManager,
 Type parametersRowType,
 JsonPathInvocationContext invocationContext,
 ConnectorSession session,
 com.fasterxml.jackson.databind.JsonNode inputExpression,
 IrJsonPath jsonPath,
 SqlRow parametersRow,
 long wrapperBehavior,
 long emptyBehavior,
 long errorBehavior)