org.apache.ignite.internal.processors.query.schema.operation

Class SchemaAlterTableDropColumnOperation

java.lang.Object

org.apache.ignite.internal.processors.query.schema.operation.SchemaAbstractOperation

org.apache.ignite.internal.processors.query.schema.operation.SchemaAbstractAlterTableOperation

org.apache.ignite.internal.processors.query.schema.operation.SchemaAlterTableDropColumnOperation

All Implemented Interfaces:

Serializable

public class SchemaAlterTableDropColumnOperation
extends SchemaAbstractAlterTableOperation

Schema alter table drop column operation.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
SchemaAlterTableDropColumnOperation(UUID opId, String cacheName, String schemaName, String tblName, List<String> cols, boolean ifTblExists, boolean ifExists) Constructor.

Method Summary

Modifier and Type	Method and Description
List<String>	columns()
boolean	ifExists()
boolean	ifTableExists()
String	tableName()
String	toString()

Methods inherited from class org.apache.ignite.internal.processors.query.schema.operation.SchemaAbstractOperation

cacheName, id, schemaName

Methods inherited from class java.lang.Object

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

Constructor Detail

SchemaAlterTableDropColumnOperation

public SchemaAlterTableDropColumnOperation(UUID opId,
                                           String cacheName,
                                           String schemaName,
                                           String tblName,
                                           List<String> cols,
                                           boolean ifTblExists,
                                           boolean ifExists)

Constructor.

Parameters:

opId - Operation id.

schemaName - Schema name.

tblName - Target table name.

cols - Columns to drop.

ifTblExists - Ignore operation if target table doesn't exist.

ifExists - Ignore operation if column does not exist.

Method Detail

ifTableExists

public boolean ifTableExists()

Returns:

Ignore operation if table doesn't exist.

columns

public List<String> columns()

Returns:

Columns to drop.

ifExists

public boolean ifExists()

Returns:

Quietly abort this command if column does not exist (honored only in single column case).

tableName

public String tableName()

Returns:

Target table name.

toString

public String toString()

Overrides:

toString in class SchemaAbstractOperation