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#!/bin/sh
# Copyright (C) 2023 Internet Systems Consortium, Inc. ("ISC")
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
# shellcheck disable=SC1091
# SC1091: Not following: ... was not specified as input (see shellcheck -x).
# Exit with error if commands exit with non-zero and if undefined variables are
# used.
set -eu
# shellcheck disable=SC2034
# SC2034: ... appears unused. Verify use (or export if used externally).
prefix="@prefix@"
# Include utilities. Use installed version if available and
# use build version if it isn't.
if test -f "@datarootdir@/@PACKAGE_NAME@/scripts/admin-utils.sh"; then
. "@datarootdir@/@PACKAGE_NAME@/scripts/admin-utils.sh"
else
. "@abs_top_builddir@/src/bin/admin/admin-utils.sh"
fi
VERSION=$(pgsql_version "$@")
if [ "$VERSION" != "15.0" ]; then
printf 'This script upgrades 15.0 to 16.0. '
printf 'Reported version is %s. Skipping upgrade.\n' "${VERSION}"
exit 0
fi
psql "$@" >/dev/null <<EOF
START TRANSACTION;
-- This line starts the schema upgrade to version 16.0.
-- Add the allocator column to the DHCPv4 tables.
ALTER TABLE dhcp4_subnet ADD COLUMN allocator TEXT DEFAULT NULL;
ALTER TABLE dhcp4_shared_network ADD COLUMN allocator TEXT DEFAULT NULL;
-- Add allocator and pd_allocator to the DHCPv6 subnet tables.
ALTER TABLE dhcp6_subnet ADD COLUMN allocator TEXT DEFAULT NULL;
ALTER TABLE dhcp6_subnet ADD COLUMN pd_allocator TEXT DEFAULT NULL;
-- Add allocator and pd_allocator to the DHCPv6 shared network tables.
ALTER TABLE dhcp6_shared_network ADD COLUMN allocator TEXT DEFAULT NULL;
ALTER TABLE dhcp6_shared_network ADD COLUMN pd_allocator TEXT DEFAULT NULL;
-- Update the schema version number.
UPDATE schema_version
SET version = '16', minor = '0';
-- This line concludes the schema upgrade to version 16.0.
-- Commit the script transaction.
COMMIT;
EOF
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