org.apache.ambari.server.orm.helpers.dbms

Class MySqlHelper

java.lang.Object

org.apache.ambari.server.orm.helpers.dbms.GenericDbmsHelper

org.apache.ambari.server.orm.helpers.dbms.MySqlHelper

All Implemented Interfaces:

DbmsHelper

public class MySqlHelper
extends GenericDbmsHelper

Field Summary

Fields inherited from class org.apache.ambari.server.orm.helpers.dbms.GenericDbmsHelper

databasePlatform

Constructor Summary

Constructors

Constructor and Description
MySqlHelper(org.eclipse.persistence.platform.database.DatabasePlatform databasePlatform)

Method Summary

Modifier and Type	Method and Description
boolean	supportsColumnTypeChange() Check if column type can be modified directly
StringBuilder	writeColumnModifyString(StringBuilder builder, DBAccessor.DBColumnInfo columnInfo)
StringBuilder	writeColumnRenameString(StringBuilder builder, String oldName, DBAccessor.DBColumnInfo newColumnInfo)

Methods inherited from class org.apache.ambari.server.orm.helpers.dbms.GenericDbmsHelper

convertToFieldDefinition, createStubAbstractSessionFromPlatform, getAddColumnStatement, getAddForeignKeyStatement, getAlterColumnStatement, getCreateIndexStatement, getCreateTableStatement, getDropConstraintStatement, getDropSequenceStatement, getDropTableStatement, getRenameColumnStatement, getRenameColumnStatement, writeAlterTableClause, writeColumnType, writeCreateTableStatement

Methods inherited from class java.lang.Object

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

Constructor Detail

MySqlHelper

public MySqlHelper(org.eclipse.persistence.platform.database.DatabasePlatform databasePlatform)

Method Detail

supportsColumnTypeChange

public boolean supportsColumnTypeChange()

Description copied from interface: DbmsHelper

Check if column type can be modified directly

Specified by:

supportsColumnTypeChange in interface DbmsHelper

Overrides:

supportsColumnTypeChange in class GenericDbmsHelper

Returns:

writeColumnRenameString

public StringBuilder writeColumnRenameString(StringBuilder builder,
                                             String oldName,
                                             DBAccessor.DBColumnInfo newColumnInfo)

Overrides:

writeColumnRenameString in class GenericDbmsHelper

writeColumnModifyString

public StringBuilder writeColumnModifyString(StringBuilder builder,
                                             DBAccessor.DBColumnInfo columnInfo)

Overrides:

writeColumnModifyString in class GenericDbmsHelper