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added 11 indices, essentially to any table row that was heavily

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queried, and the table was large - sort_authors, sort_titles,
handles, resourcepolicy-objecttype & id, dcvalue-itemid, etc.


git-svn-id: http://scm.dspace.org/svn/repo/trunk@620 9c30dcfa-912a-0410-8fc2-9e0234be79fd
This commit is contained in:
David Stuve
2003-04-07 19:04:54 +00:00
parent 8ea3ed6eba
commit 891f237e71
1 changed files with 37 additions and 2 deletions
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39
dspace/etc/database_schema.sql
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@@ -170,6 +170,9 @@ CREATE TABLE EPerson
phone VARCHAR(32)
);
-- index by email
CREATE INDEX eperson_email_idx ON EPerson(email);
-------------------------------------------------------
-- EPersonGroup table
-------------------------------------------------------
@@ -210,6 +213,9 @@ CREATE TABLE Item2Bundle
bundle_id INTEGER REFERENCES Bundle(bundle_id)
);
-- index by item_id
CREATE INDEX item2bundle_item_idx on Item2Bundle(item_id);
-------------------------------------------------------
-- Bundle2Bitstream table
-------------------------------------------------------
@@ -220,6 +226,9 @@ CREATE TABLE Bundle2Bitstream
bitstream_id INTEGER REFERENCES Bitstream(bitstream_id)
);
-- index by bundle_id
CREATE INDEX bundle2bitstream_bundle_idx ON Bundle2Bitstream(bundle_id);
-------------------------------------------------------
-- DCTypeRegistry table
-------------------------------------------------------
@@ -246,8 +255,10 @@ CREATE TABLE DCValue
source_id INTEGER
);
-- An index for dctypes
CREATE INDEX dcvalue_dc_type_id_idx on DCValue(dc_type_id);
-- An index for item_id - almost all access is based on
-- instantiating the item object, which grabs all dcvalues
-- related to that item
CREATE INDEX dcvalue_item_idx on DCValue(item_id);
-------------------------------------------------------
-- Community table
@@ -303,6 +314,9 @@ CREATE TABLE Collection2Item
item_id INTEGER REFERENCES Item(item_id)
);
-- index by collection_id
CREATE INDEX collection2item_collection_idx ON Collection2Item(collection_id);
-------------------------------------------------------
-- ResourcePolicy table
-------------------------------------------------------
@@ -318,6 +332,10 @@ CREATE TABLE ResourcePolicy
end_date DATE
);
-- index by resource_type,resource_id - all queries by
-- authorization manager are select type=x, id=y, action=z
CREATE INDEX resourcepolicy_type_id_idx ON ResourcePolicy(resource_type_id,resource_id);
-------------------------------------------------------
-- EPersonGroup2EPerson table
-------------------------------------------------------
@@ -328,6 +346,10 @@ CREATE TABLE EPersonGroup2EPerson
eperson_id INTEGER REFERENCES EPerson(eperson_id)
);
-- Index by group ID (used heavily by AuthorizeManager)
CREATE INDEX epersongroup2eperson_group_idx on EPersonGroup2EPerson(eperson_group_id);
-------------------------------------------------------
-- Handle table
-------------------------------------------------------
@@ -339,6 +361,9 @@ CREATE TABLE Handle
resource_id INTEGER
);
-- index by handle, commonly looked up
CREATE INDEX handle_handle_idx ON Handle(handle);
-------------------------------------------------------
-- WorkspaceItem table
-------------------------------------------------------
@@ -454,6 +479,9 @@ CREATE TABLE ItemsByAuthor
sort_author TEXT
);
-- index by sort_author, of course!
CREATE INDEX sort_author_idx on ItemsByAuthor(sort_author);
-------------------------------------------------------
-- CollectionItemsByAuthor view
-------------------------------------------------------
@@ -483,6 +511,10 @@ CREATE TABLE ItemsByTitle
sort_title TEXT
);
-- index by the sort_title
CREATE INDEX sort_title_idx on ItemsByTitle(sort_title);
-------------------------------------------------------
-- CollectionItemsByTitle view
-------------------------------------------------------
@@ -511,6 +543,9 @@ CREATE TABLE ItemsByDate
date_issued TEXT
);
-- sort by date
CREATE INDEX date_issued_idx on ItemsByDate(date_issued);
-------------------------------------------------------
-- CollectionItemsByDate view
-------------------------------------------------------