org.dspace.storage.rdbms

Class MigrationUtils

java.lang.Object

org.dspace.storage.rdbms.MigrationUtils

public class MigrationUtils
extends java.lang.Object

This Utility class offers utility methods which may be of use to perform common Java migration task(s).

Author:

Tim Donohue

Constructor Summary

Constructors

Constructor and Description
MigrationUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static java.lang.Integer	dropDBConstraint(java.sql.Connection connection, java.lang.String tableName, java.lang.String columnName, java.lang.String constraintSuffix) Drop a given Database Constraint (based on the current database type).

Methods inherited from class java.lang.Object

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

Constructor Detail

MigrationUtils

public MigrationUtils()

Method Detail

dropDBConstraint

public static java.lang.Integer dropDBConstraint(java.sql.Connection connection,
                                 java.lang.String tableName,
                                 java.lang.String columnName,
                                 java.lang.String constraintSuffix)
                                          throws java.sql.SQLException

Drop a given Database Constraint (based on the current database type). Returns a "checksum" for this migration which can be used as part of a Flyway Java migration

Parameters:

connection - the current Database connection

tableName - the name of the table the constraint applies to

columnName - the name of the column the constraint applies to

constraintSuffix - Only used for PostgreSQL, whose constraint naming convention depends on a suffix (key, fkey, etc)

Returns:

migration checksum as an Integer

Throws:

java.sql.SQLException - if a database error occurs