diff options
Diffstat (limited to 'src/share/database/scripts/mysql/upgrade_011_to_012.sh.in')
-rw-r--r-- | src/share/database/scripts/mysql/upgrade_011_to_012.sh.in | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/share/database/scripts/mysql/upgrade_011_to_012.sh.in b/src/share/database/scripts/mysql/upgrade_011_to_012.sh.in new file mode 100644 index 0000000..c4142b2 --- /dev/null +++ b/src/share/database/scripts/mysql/upgrade_011_to_012.sh.in @@ -0,0 +1,87 @@ +#!/bin/sh + +# Copyright (C) 2021 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 [ -e @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 + +# Check version. +version=$(mysql_version "${@}") +if test "${version}" != "11.0"; then + printf 'This script upgrades 11.0 to 12.0. ' + printf 'Reported version is %s. Skipping upgrade.\n' "${version}" + exit 0 +fi + +# Get the schema name from database argument. We need this to +# query information_schema for the right database. +for arg in "${@}" +do + if ! printf '%s' "${arg}" | grep -Eq '^\-\-' + then + schema="$arg" + break + fi +done + +# Make sure we have the schema. +if [ -z "$schema" ] +then + printf "Could not find database schema name in cmd line args: %s\n" "${*}" + exit 255 +fi + +mysql "$@" <<EOF + +-- Ensure that dhcp_client_class is NULL when an option does not +-- belong to any client class. Later, we will add foreign keys for +-- the dhcp_client_class columns, and it requires that the columns +-- are NULL when there are no corresponding client classes. +SET @disable_audit = 1; +UPDATE dhcp4_options SET dhcp_client_class = NULL + WHERE scope_id <> 2; +UPDATE dhcp6_options SET dhcp_client_class = NULL + WHERE scope_id <> 2; +SET @disable_audit = 0; + +-- Add a foreign keys referencing a client classes. If an option is +-- associated with a client class, the option will be deleted +-- along with the deleted client class. +ALTER TABLE dhcp4_options + ADD CONSTRAINT fk_dhcp4_options_client_class + FOREIGN KEY (dhcp_client_class) + REFERENCES dhcp4_client_class (name) + ON DELETE CASCADE ON UPDATE CASCADE; + +ALTER TABLE dhcp6_options + ADD CONSTRAINT fk_dhcp6_options_client_class + FOREIGN KEY (dhcp_client_class) + REFERENCES dhcp6_client_class (name) + ON DELETE CASCADE ON UPDATE CASCADE; + +-- Update the schema version number +UPDATE schema_version + SET version = '12', minor = '0'; + +-- This line concludes database upgrade to version 12. +EOF |