Archive
Archive
While the database is running, you can update the schema and/or stored procedures for a database schema that was started with a catalog by updating the catalog. Changes you can make in the catalog include:
Adding, removing, or updating tables, columns, and indexes
Adding or removing materialized views and export-only tables
Adding, removing, or updating stored procedures and the security permissions for accessing them
Schema updates via application catalog are done by creating an updated application catalog and deployment file and telling the database process to use the new catalog. You do this with the @UpdateApplicationCatalog system procedure, or from the shell prompt using the voltadmin update command. The process is as follows:
Make the necessary changes to the source code for the stored procedures and the schema.
Recompile the class files and the application catalog as described in Section C.2, “Compiling an Application Catalog”.
Use the @UpdateApplicationCatalog system procedure or voltadmin update command to pass the new catalog and deployment file to the cluster.
For example:
$ voltdb compile -o mycatalog.jar myschema.sql $ voltadmin update mycatalog.jar deploycatalog.xml
V5.x Documentation