org.apache.spark.sql.connector.iceberg.catalog

Interface Procedure

All Known Implementing Classes:

AncestorsOfProcedure, ExpireSnapshotsProcedure, RemoveOrphanFilesProcedure

public interface Procedure

An interface representing a stored procedure available for execution.

Method Summary

Modifier and Type	Method and Description
org.apache.spark.sql.catalyst.InternalRow[]	call(org.apache.spark.sql.catalyst.InternalRow args) Executes this procedure.
default java.lang.String	description() Returns the description of this procedure.
org.apache.spark.sql.types.StructType	outputType() Returns the type of rows produced by this procedure.
ProcedureParameter[]	parameters() Returns the input parameters of this procedure.

Method Detail

parameters

ProcedureParameter[] parameters()

Returns the input parameters of this procedure.

outputType

org.apache.spark.sql.types.StructType outputType()

Returns the type of rows produced by this procedure.

call

org.apache.spark.sql.catalyst.InternalRow[] call(org.apache.spark.sql.catalyst.InternalRow args)

Executes this procedure.

Spark will align the provided arguments according to the input parameters defined in parameters() either by position or by name before execution.

Implementations may provide a summary of execution by returning one or many rows as a result. The schema of output rows must match the defined output type in outputType().

Parameters:

args - input arguments

Returns:

the result of executing this procedure with the given arguments

description

default java.lang.String description()

Returns the description of this procedure.