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Code Issues Releases Wiki Activity

[#1196] Checkpoint: fixed pgsql

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This commit is contained in:
Francis Dupont
2020-05-20 17:06:26 +02:00
parent 77b8c7ea5a
commit 571fa79782
7 changed files with 242 additions and 10 deletions
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105
src/share/database/scripts/pgsql/dhcpdb_create.pgsql
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@@ -907,7 +907,110 @@ WHERE hostname IS NOT NULL;
UPDATE schema_version
SET version = '6', minor = '0';
-- Schema 5.1a specification ends here.
-- Schema 6.0 specification ends here.
-- Commit the script transaction
COMMIT;
-- Upgrade to schema 6.1 begins here:
START TRANSACTION;
-- Fix v4 update trigger procedure
CREATE OR REPLACE FUNCTION proc_stat_lease4_update () RETURNS trigger AS $stat_lease4_update$
BEGIN
IF OLD.subnet_id != NEW.subnet_id OR OLD.state != NEW.state THEN
IF OLD.state < 2 THEN
-- Decrement the old state count if record exists
UPDATE lease4_stat SET leases = GREATEST(leases - 1, 0)
WHERE subnet_id = OLD.subnet_id AND state = OLD.state;
END IF;
IF NEW.state < 2 THEN
-- Increment the new state count if record exists
UPDATE lease4_stat SET leases = leases + 1
WHERE subnet_id = NEW.subnet_id AND state = NEW.state;
-- Insert new state record if it does not exist
IF NOT FOUND THEN
INSERT INTO lease4_stat VALUES (NEW.subnet_id, NEW.state, 1);
END IF;
END IF;
END IF;
-- Return is ignored since this is an after insert
RETURN NULL;
END;
$stat_lease4_update$ LANGUAGE plpgsql;
--
-- Fix the v4 delete trigger procedure
CREATE OR REPLACE FUNCTION proc_stat_lease4_delete () RETURNS trigger AS $stat_lease4_delete$
BEGIN
IF OLD.state < 2 THEN
-- Decrement the state count if record exists
UPDATE lease4_stat SET leases = GREATEST(leases - 1, 0)
WHERE subnet_id = OLD.subnet_id AND OLD.state = state;
END IF;
-- Return is ignored since this is an after insert
RETURN NULL;
END;
$stat_lease4_delete$ LANGUAGE plpgsql;
--
-- Fix v6 update trigger procedure
CREATE OR REPLACE FUNCTION proc_stat_lease6_update () RETURNS trigger AS $stat_lease6_update$
BEGIN
IF OLD.subnet_id != NEW.subnet_id OR
OLD.lease_type != NEW.lease_type OR
OLD.state != NEW.state THEN
IF OLD.state < 2 THEN
-- Decrement the old state count if record exists
UPDATE lease6_stat SET leases = GREATEST(leases - 1, 0)
WHERE subnet_id = OLD.subnet_id AND lease_type = OLD.lease_type
AND state = OLD.state;
END IF;
IF NEW.state < 2 THEN
-- Increment the new state count if record exists
UPDATE lease6_stat SET leases = leases + 1
WHERE subnet_id = NEW.subnet_id AND lease_type = NEW.lease_type
AND state = NEW.state;
-- Insert new state record if it does not exist
IF NOT FOUND THEN
INSERT INTO lease6_stat VALUES (NEW.subnet_id, NEW.lease_type, NEW.state, 1);
END IF;
END IF;
END IF;
-- Return is ignored since this is an after insert
RETURN NULL;
END;
$stat_lease6_update$ LANGUAGE plpgsql;
--
-- Fix the v6 delete trigger procedure
CREATE OR REPLACE FUNCTION proc_stat_lease6_delete() RETURNS trigger AS $stat_lease6_delete$
BEGIN
IF OLD.state < 2 THEN
-- Decrement the state count if record exists
UPDATE lease6_stat SET leases = GREATEST(leases - 1, 0)
WHERE subnet_id = OLD.subnet_id AND lease_type = OLD.lease_type
AND OLD.state = state;
END IF;
-- Return is ignored since this is an after insert
RETURN NULL;
END;
$stat_lease6_delete$ LANGUAGE plpgsql;
-- Set 6.1 schema version.
UPDATE schema_version
SET version = '6', minor = '1';
-- Schema 6.1 specification ends here.
-- Commit the script transaction
COMMIT;