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annotate db/sat_pubsub_update_2_3.sql @ 350:4d4575911060

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sql (PostgreSQL): schema update: - added version check on top of update files, SQL will not be applied if the version is not the one expected - new db schema version (3) - added "presence" access_model in nodes - added "schema" column in nodes - converted items data to xml, this will allow the use of all XML functions PostgreSQL now needs to have been compiled with --with-libxml .
author Goffi <goffi@goffi.org>
date Fri, 08 Sep 2017 08:02:04 +0200
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children 1dc606612405
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4d4575911060 sql (PostgreSQL): schema update:
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1 -- we check version of the database before doing anything
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2 -- and stop execution if not good
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3 \set ON_ERROR_STOP
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4 DO $$
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5 DECLARE ver text;
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6 BEGIN
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7 SELECT value INTO ver FROM metadata WHERE key='version';
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8 IF NOT FOUND OR ver!='2' THEN
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9 RAISE EXCEPTION 'This update file need to be applied on database schema version 2, you use version %',ver;
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10 END IF;
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11 END$$;
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12 \unset ON_ERROR_STOP
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13 -- end of version check
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15 /* we add "presence" access model */
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16 ALTER TABLE nodes DROP CONSTRAINT nodes_access_model_check;
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17 ALTER TABLE nodes ADD CHECK (access_model IN ('open', 'presence', 'publisher-roster', 'whitelist', 'publish-only', 'self-publisher'));
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18
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19 /* and schema column */
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20 ALTER TABLE nodes ADD COLUMN schema xml;
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22 /* we want xml types for items data too */
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23 ALTER TABLE items ALTER data TYPE xml using data::xml;
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24
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25 UPDATE metadata SET value='3' WHERE key='version';