pgsql/dovecot_update_v1.2+.pgsql
author Pascal Volk <user@localhost.localdomain.org>
Sun, 02 Sep 2012 21:01:40 +0000
changeset 606 ab97727357a4
parent 598 bb23693e5fc9
permissions -rw-r--r--
VMM/cli: Activated help subcommand. Implemented Command.help_(), which reads the command's help message from cli.clihelp.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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-- ---
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-- Use this file to update the database layout, if you are upgrading your
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-- Dovecot < v1.2.beta2 to Dovecot >= v1.2.beta2.
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-- 
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-- IMPORTANT
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-- This file supports only the current vmm 0.6.0 database layout.
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-- ---
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SET client_encoding = 'UTF8';
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SET client_min_messages = warning;
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ALTER TABLE service_set DROP CONSTRAINT ukey_service_set;
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ALTER TABLE service_set RENAME managesieve to sieve;
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ALTER TABLE service_set
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    ADD CONSTRAINT ukey_service_set UNIQUE (smtp, pop3, imap, sieve);
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DROP TRIGGER mergeuserquota_11 ON userquota_11;
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DROP FUNCTION merge_userquota_11();
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DROP TABLE userquota_11;
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DROP TYPE dovecotpassword CASCADE;
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CREATE TYPE dovecotpassword AS (
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    userid    varchar(320),
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    password  varchar(270),
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    smtp      boolean,
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    pop3      boolean,
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    imap      boolean,
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    sieve     boolean
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);
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CREATE OR REPLACE FUNCTION dovecotpassword(
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    IN localpart varchar, IN the_domain varchar) RETURNS SETOF dovecotpassword
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AS $$
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    DECLARE
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        record dovecotpassword;
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        userid varchar(320) := localpart || '@' || the_domain;
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    BEGIN
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        FOR record IN
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            SELECT userid, passwd, smtp, pop3, imap, sieve
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              FROM users, service_set, domain_data
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             WHERE users.gid = (SELECT gid
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                                  FROM domain_name
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                                 WHERE domainname = the_domain)
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               AND local_part = localpart
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               AND users.gid = domain_data.gid
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               AND CASE WHEN
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                     users.ssid IS NOT NULL
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                     THEN
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                       service_set.ssid = users.ssid
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                     ELSE
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                       service_set.ssid = domain_data.ssid
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                     END
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            LOOP
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                RETURN NEXT record;
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            END LOOP;
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        RETURN;
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    END;
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$$ LANGUAGE plpgsql STABLE
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RETURNS NULL ON NULL INPUT
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EXTERNAL SECURITY INVOKER;
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CREATE TABLE userquota (
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    uid         bigint NOT NULL,
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    bytes       bigint NOT NULL DEFAULT 0,
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    messages    integer NOT NULL DEFAULT 0,
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    CONSTRAINT  pkey_userquota PRIMARY KEY (uid),
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    CONSTRAINT  fkey_userquota_uid_users FOREIGN KEY (uid)
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        REFERENCES users (uid) ON DELETE CASCADE
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);
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CREATE OR REPLACE FUNCTION merge_userquota() RETURNS TRIGGER AS $$
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BEGIN
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    IF NEW.messages < 0 OR NEW.messages IS NULL THEN
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        IF NEW.messages IS NULL THEN
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            NEW.messages = 0;
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        ELSE
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            NEW.messages = -NEW.messages;
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        END IF;
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        RETURN NEW;
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    END IF;
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    LOOP
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        UPDATE userquota
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           SET bytes = bytes + NEW.bytes, messages = messages + NEW.messages
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         WHERE uid = NEW.uid;
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        IF found THEN
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            RETURN NULL;
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        END IF;
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        BEGIN
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            IF NEW.messages = 0 THEN
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              INSERT INTO userquota VALUES (NEW.uid, NEW.bytes, NULL);
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            ELSE
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              INSERT INTO userquota VALUES (NEW.uid, NEW.bytes, -NEW.messages);
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            END IF;
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            RETURN NULL;
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        EXCEPTION
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            WHEN unique_violation THEN
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                -- do nothing, and loop to try the UPDATE again
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            WHEN foreign_key_violation THEN
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                -- break the loop: a non matching uid means no such user
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                RETURN NULL;
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        END;
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    END LOOP;
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END;
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$$ LANGUAGE plpgsql;
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CREATE TRIGGER mergeuserquota BEFORE INSERT ON userquota
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    FOR EACH ROW EXECUTE PROCEDURE merge_userquota();