dk.netarkivet.harvester.datamodel
Class DerbySpecifics
java.lang.Object
dk.netarkivet.common.utils.SettingsFactory<DBSpecifics>
dk.netarkivet.harvester.datamodel.DBSpecifics
dk.netarkivet.harvester.datamodel.DerbySpecifics
- Direct Known Subclasses:
- DerbyEmbeddedSpecifics, DerbyServerSpecifics
public abstract class DerbySpecifics
- extends DBSpecifics
Derby-specific implementation of DB methods.
Field Summary |
(package private) org.apache.commons.logging.Log |
log
|
Method Summary |
void |
dropJobConfigsTmpTable(java.sql.Connection c,
java.lang.String tableName)
Dispose of a temporary table gotten with getTemporaryTable. |
java.lang.String |
getJobConfigsTmpTable(java.sql.Connection c)
Get a temporary table for short-time use. |
protected void |
migrateJobsv3tov4()
Migrates the 'jobs' table from version 3 to version 4
consisting of a change of the field forcemaxbytes from int to bigint
and setting its default to -1. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
log
org.apache.commons.logging.Log log
DerbySpecifics
public DerbySpecifics()
getJobConfigsTmpTable
public java.lang.String getJobConfigsTmpTable(java.sql.Connection c)
throws java.sql.SQLException
- Get a temporary table for short-time use. The table should be
disposed of with dropTemporaryTable. The table has two columns
domain_name varchar(Constants.MAX_NAME_SIZE)
+ config_name varchar(Constants.MAX_NAME_SIZE)
All rows in the table must be deleted at commit or rollback.
- Specified by:
getJobConfigsTmpTable
in class DBSpecifics
- Parameters:
c
- The DB connection to use.
- Returns:
- The name of the created table
- Throws:
java.sql.SQLException
- if there is a problem getting the table.
dropJobConfigsTmpTable
public void dropJobConfigsTmpTable(java.sql.Connection c,
java.lang.String tableName)
- Dispose of a temporary table gotten with getTemporaryTable. This can be
expected to be called from within a finally clause, so it mustn't throw
exceptions.
- Specified by:
dropJobConfigsTmpTable
in class DBSpecifics
- Parameters:
c
- The DB connection to use.tableName
- The name of the temporary table
migrateJobsv3tov4
protected void migrateJobsv3tov4()
- Migrates the 'jobs' table from version 3 to version 4
consisting of a change of the field forcemaxbytes from int to bigint
and setting its default to -1.
Furthermore the default value for field num_configs is set to 0.
- Specified by:
migrateJobsv3tov4
in class DBSpecifics
- Throws:
IOFailure
- in case of problems in interacting with the database