MarkLogic 9 Product Documentationtieredstorage functions
The table below lists all the
tieredstorage built-in
functions (in this namespace:
http://marklogic.com/xdmp/tieredstorage).
This module provides functions for managing forests and partitions in storage tiers and for managing super-databases and sub-databases. For details, see Tiered Storage in the Administrator's Guide.
The Tiered Storage function module is installed as the following file:
install_dir/Modules/MarkLogic/tieredstorage.xqy
where install_dir is the directory in which
MarkLogic Server is installed.
To use the tieredstorage.xqy module in your own XQuery modules,
include the following line in your XQuery prolog:
import module namespace ts="http://marklogic.com/xdmp/tieredstorage"
at "/MarkLogic/tieredstorage.xqy";
24 functions
| Function name | Description |
|---|---|
| tieredstorage:database-create-sub-database | This function creates a database with the name $database-name and make the created database the sub database of the database designated by $database-id. |
| tieredstorage:database-create-super-database | This function creates a database with the name $database-name and make the created database the super database of the database designated by $database-id. |
| tieredstorage:database-delete-sub-database | This function disassociates the sub database designated by $delete-dbid with the super-database designated by $database-id and deletes the sub database. |
| tieredstorage:database-delete-super-database | This function disassociates the super database designated by $delete-dbid with the sub-database designated by $database-id and deletes the super database. |
| tieredstorage:database-partition-numbers | This function returns the partition numbers of the forests in the database |
| tieredstorage:database-partitions | This function returns the names of the partitions in the named database. |
| tieredstorage:forest-combine | This function combines data in multiple forests into one new forest. |
| tieredstorage:forest-migrate | This function moves data in a forest to new data directories and optionally sets new host for the forest. |
| tieredstorage:partition-delete | This function deletes all forests in the specified partition. |
| tieredstorage:partition-delete-query | This function deletes the query from the specified partition. |
| tieredstorage:partition-forests | This function returns a sequence of ids for the forests in the named partition. |
| tieredstorage:partition-get-exclusion-enabled | This function returns the safe-to-exclude setting for the database. |
| tieredstorage:partition-get-query | This function returns the query of a partition specified by the partition number. |
| tieredstorage:partition-migrate | This function migrates all forests in a partition to the specified data directory and hosts. |
| tieredstorage:partition-number-forests | This function returns the IDs of the forests with the specified partition-number in the named database. |
| tieredstorage:partition-queries | This function returns all the queries in this schema database. |
| tieredstorage:partition-resize | This function either creates or combines forests in a partition. |
| tieredstorage:partition-set-availability | This function sets the availability of the partition to either online or offline. |
| tieredstorage:partition-set-exclusion-enabled | By default, when a search query is given to MarkLogic, all query partitions are searched, regardless of the query assignment policy set on the partition. |
| tieredstorage:partition-set-query | This function sets the query for a partition specified by the partition number. |
| tieredstorage:partition-set-updates-allowed | This function sets update-allowed state for the forests in the specified partition. |
| tieredstorage:partition-transfer | This function detaches forests in a partition from one database and attaches them to another. |
| tieredstorage:query-partition-create | This function creates forests on specified hosts and forms a partition with the specified partition number. |
| tieredstorage:range-partition-create | This function creates forests on the specified hosts and forms a range partition with the specified partition range. |