Package com.ibm.fhir.database.utils.common

Class DropColumn

java.lang.Object

com.ibm.fhir.database.utils.common.DropColumn

All Implemented Interfaces:

IDatabaseStatement

public class DropColumn
extends Object
implements IDatabaseStatement

Drop columns from the schema.table

Constructor Summary

Constructors

Constructor	Description
DropColumn(String schemaName, String tableName, boolean ignoreError, String... columnName)	Public constructor
DropColumn(String schemaName, String tableName, String... columnName)	Public constructor

Method Summary

Modifier and Type	Method	Description
List<String>	getColumnNames()
String	getSchemaName()
String	getTableName()
boolean	postgresColumnExists(IDatabaseTranslator translator, Connection c, String columnName)	Special check that the column exists before we try to drop it
void	run(IDatabaseTranslator translator, Connection c)	Execute the statement using the connection.

Methods inherited from class java.lang.Object

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

Constructor Detail

DropColumn

public DropColumn(String schemaName,
                  String tableName,
                  String... columnName)

Public constructor

Parameters:

schemaName -

tableName -

columnName -

DropColumn

public DropColumn(String schemaName,
                  String tableName,
                  boolean ignoreError,
                  String... columnName)

Public constructor

Parameters:

schemaName -

tableName -

ignoreError -

columnName -

Method Detail

run

public void run(IDatabaseTranslator translator,
                Connection c)

Description copied from interface: IDatabaseStatement

Execute the statement using the connection.

Specified by:

run in interface IDatabaseStatement

Parameters:

translator - to translate any exceptions

postgresColumnExists

public boolean postgresColumnExists(IDatabaseTranslator translator,
                                    Connection c,
                                    String columnName)

Special check that the column exists before we try to drop it

Parameters:

columnName -

Returns:

getSchemaName

public String getSchemaName()

Returns:

the schemaName

getTableName

public String getTableName()

Returns:

the tableName

getColumnNames

public List<String> getColumnNames()

Returns:

the columnNames