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(Tim DiLauro et al)

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- Added indices recommended by John Hopkins University


git-svn-id: http://scm.dspace.org/svn/repo/trunk@1192 9c30dcfa-912a-0410-8fc2-9e0234be79fd
This commit is contained in:
Robert Tansley
2005-04-21 17:03:54 +00:00
parent fe16bbb369
commit 629d50dfff
2 changed files with 41 additions and 2 deletions
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22
dspace/etc/database_schema.sql
View File

@@ -325,6 +325,11 @@ CREATE TABLE Community2Collection
collection_id INTEGER REFERENCES Collection(collection_id)
);
-- Index on community ID
CREATE INDEX Community2Collection_community_id_idx ON Community2Collection(community_id);
-- Index on collection ID
CREATE INDEX Community2Collection_collection_id_idx ON Community2Collection(collection_id);
-------------------------------------------------------
-- Collection2Item table
-------------------------------------------------------
@@ -337,6 +342,8 @@ CREATE TABLE Collection2Item
-- index by collection_id
CREATE INDEX collection2item_collection_idx ON Collection2Item(collection_id);
-- and item_id
CREATE INDEX Collection2Item_item_id_idx ON Collection2Item( item_id );
-------------------------------------------------------
-- ResourcePolicy table
@@ -384,6 +391,8 @@ CREATE TABLE Handle
-- index by handle, commonly looked up
CREATE INDEX handle_handle_idx ON Handle(handle);
-- index by resource id and resource type id
CREATE INDEX handle_resource_id_and_type_idx ON handle(resource_id, resource_type_id);
-------------------------------------------------------
-- WorkspaceItem table
@@ -503,6 +512,9 @@ CREATE TABLE Communities2Item
item_id INTEGER REFERENCES Item(item_id)
);
-- Index by item_id for update/re-index
CREATE INDEX Communities2Item_item_id_idx ON Communities2Item( item_id );
-------------------------------------------------------
-- Community2Item view
------------------------------------------------------
@@ -525,6 +537,8 @@ CREATE TABLE ItemsByAuthor
-- index by sort_author, of course!
CREATE INDEX sort_author_idx on ItemsByAuthor(sort_author);
-- And by item ID for updates/re-indexing
CREATE INDEX ItemsByAuthor_item_id_idx ON ItemsByAuthor(item_id);
-------------------------------------------------------
-- CollectionItemsByAuthor view
@@ -557,7 +571,8 @@ CREATE TABLE ItemsByTitle
-- index by the sort_title
CREATE INDEX sort_title_idx on ItemsByTitle(sort_title);
-- And by item ID for updates/re-indexing
CREATE INDEX ItemsByTitle_item_id_idx ON ItemsByTitle(item_id);
-------------------------------------------------------
-- CollectionItemsByTitle view
@@ -589,6 +604,8 @@ CREATE TABLE ItemsByDate
-- sort by date
CREATE INDEX date_issued_idx on ItemsByDate(date_issued);
-- And by item ID for updates/re-indexing
CREATE INDEX ItemsByDate_item_id_idx ON ItemsByDate(item_id);
-------------------------------------------------------
-- CollectionItemsByDate view
@@ -618,6 +635,9 @@ CREATE TABLE ItemsByDateAccessioned
date_accessioned TEXT
);
-- Index on item_id for update/re-indexing
CREATE INDEX ItemsByDateAccessioned_item_id_idx ON ItemsByDateAccessioned(item_id);
-------------------------------------------------------
-- CollectionItemsByDateAccession view
-------------------------------------------------------

19
dspace/etc/database_schema_12-13.sql
View File

@@ -68,3 +68,22 @@ ALTER TABLE collection ADD submitter INTEGER REFERENCES EPersonGroup( eperson_gr
ALTER TABLE collection ADD admin INTEGER REFERENCES EPersonGroup( eperson_group_id );
ALTER TABLE eperson ADD netid varchar(64) UNIQUE;
-------------------------------------------------------------------------------
-- Additional indices for performance
-------------------------------------------------------------------------------
-- index by resource id and resource type id
CREATE INDEX handle_resource_id_and_type_idx ON handle(resource_id, resource_type_id);
-- Indexing browse tables update/re-index performance
CREATE INDEX Communities2Item_item_id_idx ON Communities2Item( item_id );
CREATE INDEX ItemsByAuthor_item_id_idx ON ItemsByAuthor(item_id);
CREATE INDEX ItemsByTitle_item_id_idx ON ItemsByTitle(item_id);
CREATE INDEX ItemsByDate_item_id_idx ON ItemsByDate(item_id);
CREATE INDEX ItemsByDateAccessioned_item_id_idx ON ItemsByDateAccessioned(item_id);
-- Improve mapping tables
CREATE INDEX Community2Collection_community_id_idx ON Community2Collection(community_id);
CREATE INDEX Community2Collection_collection_id_idx ON Community2Collection(collection_id);
CREATE INDEX Collection2Item_item_id_idx ON Collection2Item( item_id );