Package net.snowflake.hivemetastoreconnector.commands

Class AlterExternalTable

java.lang.Object

net.snowflake.hivemetastoreconnector.commands.Command

net.snowflake.hivemetastoreconnector.commands.AlterExternalTable

public class AlterExternalTable
extends Command

A class for the AlterExternalTable command TODO: Split into TouchExternalTable and AlterColumnsExternalTable

Author:

wwong

Constructor Summary

Constructors

Constructor	Description
AlterExternalTable(org.apache.hadoop.hive.metastore.events.AlterTableEvent alterTableEvent, SnowflakeConf snowflakeConf)	Creates a AlterTable command

Method Summary

Modifier and Type	Method	Description
List<String>	generateSqlQueries()	Generates the necessary queries on a Hive alter table event

Methods inherited from class net.snowflake.hivemetastoreconnector.commands.Command

getDatabaseName, getTableName

Methods inherited from class java.lang.Object

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

Constructor Detail

AlterExternalTable

public AlterExternalTable(org.apache.hadoop.hive.metastore.events.AlterTableEvent alterTableEvent,
                          SnowflakeConf snowflakeConf)

Creates a AlterTable command

Parameters:

alterTableEvent - Event to generate a command from

snowflakeConf - - the configuration for Snowflake Hive metastore listener

Method Detail

generateSqlQueries

public List<String> generateSqlQueries()
                                throws SQLException,
                                       UnsupportedOperationException

Generates the necessary queries on a Hive alter table event

Specified by:

generateSqlQueries in class Command

Returns:

The Snowflake queries generated

Throws:

SQLException - Thrown when there was an error executing a Snowflake SQL query (if a Snowflake query must be executed).

UnsupportedOperationException - Thrown when the input is invalid