diff options
| author | einhverfr <einhverfr@4979c152-3d1c-0410-bac9-87ea11338e46> | 2007-07-12 20:56:23 +0000 |
|---|---|---|
| committer | einhverfr <einhverfr@4979c152-3d1c-0410-bac9-87ea11338e46> | 2007-07-12 20:56:23 +0000 |
| commit | 717349c3e383fae954b39a97f5bea115965f927a (patch) | |
| tree | d53f63e5a55ed4ff1e87cdfab91ea3fd25b2f8d6 /sql | |
| parent | b95fa98fe97fa0ec29ad7d13cc9035c580bd4620 (diff) | |
Adding partial unique index on partnumber to prevent multiple active items sharing the same part number
git-svn-id: https://ledger-smb.svn.sourceforge.net/svnroot/ledger-smb/trunk@1391 4979c152-3d1c-0410-bac9-87ea11338e46
Diffstat (limited to 'sql')
| -rw-r--r-- | sql/Pg-database.sql | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sql/Pg-database.sql b/sql/Pg-database.sql index 3533708e..00d9d86a 100644 --- a/sql/Pg-database.sql +++ b/sql/Pg-database.sql @@ -531,6 +531,9 @@ CREATE TABLE parts ( project_id int, avgcost NUMERIC ); + +CREATE UNIQUE INDEX parts_partnumber_index_u ON parts (partnumber) +WHERE obsolete is false; -- CREATE TABLE assembly ( id int, @@ -622,7 +625,7 @@ CREATE TABLE partstax ( chart_id int, taxcategory_id int, PRIMARY KEY (parts_id, chart_id), - FOREIGN KEY (parts_id) REFERENCES parts (id), + FOREIGN KEY (parts_id) REFERENCES parts (id) on delete cascade, FOREIGN KEY (chart_id) REFERENCES chart (id), FOREIGN KEY (taxcategory_id) REFERENCES taxcategory (taxcategory_id) ); |