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annotate artifact-database/doc/schema-pg.sql @ 334:eb8dbfa7125d

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Removed superfluous CollectionCallContext creation. artifacts/trunk@2811 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 22 Sep 2011 15:32:54 +0000
parents 92166f7c3842
children 10aa92f2eca0
rev   line source
38
93edc04f3a10 Added postgresql support.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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1 --
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2 -- schema to store artifacts in PostgreSQL databases.
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3 --
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4
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5 BEGIN;
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6
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7 -- not using AUTO_INCREMENT to be more compatible with
93edc04f3a10 Added postgresql support.
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8 -- other dbms.
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9 CREATE SEQUENCE ARTIFACTS_ID_SEQ;
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10
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11 CREATE TABLE artifacts (
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12 id int PRIMARY KEY NOT NULL,
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13 gid uuid NOT NULL UNIQUE,
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14 creation timestamp NOT NULL,
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15 last_access timestamp NOT NULL,
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16 ttl bigint, -- NULL means eternal
41
5e4bc24ea438 Made serilization more flexible. DB update required!!!
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17 factory VARCHAR(256) NOT NULL,
38
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18 data bytea
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19 );
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20
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21 CREATE SEQUENCE USERS_ID_SEQ;
720d65bbba13 Extended db scheme to cope with collections, collection items and users.
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22
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23 CREATE TABLE users (
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24 id int PRIMARY KEY NOT NULL,
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caf9f456f7e3 Added SQL statements to handle users in database.
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25 gid uuid NOT NULL UNIQUE,
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26 name VARCHAR(256) NOT NULL UNIQUE,
199
face2302387c Insert collection attribute into database, too.
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27 role bytea
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28 );
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29
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30 CREATE SEQUENCE COLLECTIONS_ID_SEQ;
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31
720d65bbba13 Extended db scheme to cope with collections, collection items and users.
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32 CREATE TABLE collections (
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33 id int PRIMARY KEY NOT NULL,
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34 gid uuid NOT NULL UNIQUE,
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35 name VARCHAR(256) NOT NULL,
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36 owner_id int NOT NULL REFERENCES users(id),
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37 creation timestamp NOT NULL,
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parents: 41
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38 last_access timestamp NOT NULL,
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parents: 41
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39 ttl bigint, -- NULL means eternal
199
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40 attribute bytea
121
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41 );
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42
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a85d889a1b0d Fixed some backend specific stuff (sql statements, schema).
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43 CREATE SEQUENCE COLLECTION_ITEMS_ID_SEQ;
121
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44
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45 CREATE TABLE collection_items (
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46 id int PRIMARY KEY NOT NULL,
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47 collection_id int NOT NULL REFERENCES collections(id),
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48 artifact_id int NOT NULL REFERENCES artifacts(id),
199
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49 attribute bytea,
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92166f7c3842 #50 Added code on database level to recognize the oldest collection item in a collection (-> master artifact).
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50 creation timestamp NOT NULL,
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51 UNIQUE (collection_id, artifact_id)
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52 );
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53
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54 CREATE FUNCTION collections_access_update() RETURNS trigger AS
328ef982d768 When an artifact is touched the collections which contain the artifact are touched, too.
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55 $$
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56 BEGIN
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57 UPDATE collections SET last_access = current_timestamp
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58 WHERE id IN
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59 (SELECT c.id FROM collections c
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60 INNER JOIN collection_items ci ON c.id = ci.collection_id
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61 INNER JOIN artifacts a ON a.id = ci.artifact_id
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62 WHERE a.id = NEW.id);
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63 RETURN NEW;
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64 END;
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65 $$
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66 LANGUAGE 'plpgsql';
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67
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68
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69 CREATE TRIGGER collections_access_update_trigger AFTER UPDATE
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70 ON artifacts FOR EACH ROW
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71 EXECUTE PROCEDURE collections_access_update();
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72
38
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73 COMMIT;
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