[#3592] Update schemas

src/share/database/scripts/mysql/upgrade_026_to_027.sh.in
src/share/database/scripts/pgsql/upgrade_026_to_027.sh.in
    - new upgrade scripts

configure.ac
src/share/database/scripts/mysql/.gitignore
src/share/database/scripts/mysql/Makefile.am
src/share/database/scripts/pgsql/.gitignore
src/share/database/scripts/pgsql/Makefile.am
    added new upgrade scripts

src/bin/admin/tests/mysql_tests.sh.in
    updated
    mysql_upgrade_26_to_27_test()  - new test

src/bin/admin/tests/pgsql_tests.sh.in
    updated
    pgsql_upgrade_26_to_27_test() - new test

src/lib/mysql/mysql_constants.h
src/lib/pgsql/pgsql_connection.h
    updated schema version

src/share/database/scripts/mysql/dhcpdb_create.mysql
src/share/database/scripts/pgsql/dhcpdb_create.pgsql
    change client_class columns

8 files changed, 215 insertions, 0 deletions

diff --git a/src/share/database/scripts/mysql/.gitignore b/src/share/database/scripts/mysql/.gitignore
index 0b4c5489c9..e67addfeb8 100644
--- a/src/share/database/scripts/mysql/.gitignore
+++ b/src/share/database/scripts/mysql/.gitignore
@@ -34,4 +34,5 @@
 /upgrade_023_to_024.sh
 /upgrade_024_to_025.sh
 /upgrade_025_to_026.sh
+/upgrade_026_to_027.sh
 /wipe_data.sh
diff --git a/src/share/database/scripts/mysql/Makefile.am b/src/share/database/scripts/mysql/Makefile.am
index 7bcaba6502..bedb59088b 100644
--- a/src/share/database/scripts/mysql/Makefile.am
+++ b/src/share/database/scripts/mysql/Makefile.am
@@ -45,6 +45,7 @@ mysql_SCRIPTS += upgrade_022_to_023.sh
 mysql_SCRIPTS += upgrade_023_to_024.sh
 mysql_SCRIPTS += upgrade_024_to_025.sh
 mysql_SCRIPTS += upgrade_025_to_026.sh
+mysql_SCRIPTS += upgrade_026_to_027.sh
 mysql_SCRIPTS += wipe_data.sh
 
 DISTCLEANFILES = ${mysql_SCRIPTS}
diff --git a/src/share/database/scripts/mysql/dhcpdb_create.mysql b/src/share/database/scripts/mysql/dhcpdb_create.mysql
index 723d26e966..a212dc8cf9 100644
--- a/src/share/database/scripts/mysql/dhcpdb_create.mysql
+++ b/src/share/database/scripts/mysql/dhcpdb_create.mysql
@@ -6068,6 +6068,35 @@ UPDATE schema_version
 
 -- This line concludes the schema upgrade to version 26.0.
 
+-- This line starts the schema upgrade to version 27.0.
+
+ALTER TABLE dhcp4_shared_network
+    CHANGE client_class client_classes LONGTEXT DEFAULT NULL;
+
+ALTER TABLE dhcp4_subnet
+    CHANGE client_class client_classes LONGTEXT DEFAULT NULL;
+
+ALTER TABLE dhcp4_pool
+    CHANGE client_class client_classes LONGTEXT DEFAULT NULL;
+
+ALTER TABLE dhcp6_shared_network
+    CHANGE client_class client_classes LONGTEXT DEFAULT NULL;
+
+ALTER TABLE dhcp6_subnet
+    CHANGE client_class client_classes LONGTEXT DEFAULT NULL;
+
+ALTER TABLE dhcp6_pool
+    CHANGE client_class client_classes LONGTEXT DEFAULT NULL;
+
+ALTER TABLE dhcp6_pd_pool
+    CHANGE client_class client_classes LONGTEXT DEFAULT NULL;
+
+-- Update the schema version number.
+UPDATE schema_version
+    SET version = '27', minor = '0';
+
+-- This line concludes the schema upgrade to version 27.0.
+
 # Notes:
 #
 # Indexes
diff --git a/src/share/database/scripts/mysql/upgrade_026_to_027.sh.in b/src/share/database/scripts/mysql/upgrade_026_to_027.sh.in
new file mode 100644
index 0000000000..552eb179ae
--- /dev/null
+++ b/src/share/database/scripts/mysql/upgrade_026_to_027.sh.in
@@ -0,0 +1,85 @@
+#!/bin/sh
+
+# Copyright (C) 2024 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/.
+
+# 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 based on location of this script. Check for sources first,
+# so that the unexpected situations with weird paths fall on the default
+# case of installed.
+script_path=$(cd "$(dirname "${0}")" && pwd)
+if test "${script_path}" = "@abs_top_builddir@/src/share/database/scripts/mysql"; then
+    # shellcheck source=./src/bin/admin/admin-utils.sh.in
+    . "@abs_top_builddir@/src/bin/admin/admin-utils.sh"
+else
+    # shellcheck source=./src/bin/admin/admin-utils.sh.in
+    . "@datarootdir@/@PACKAGE_NAME@/scripts/admin-utils.sh"
+fi
+
+# Check version.
+version=$(mysql_version "${@}")
+if test "${version}" != "26.0"; then
+    printf 'This script upgrades 27.0 to 27.0. '
+    printf 'Reported version is %s. Skipping upgrade.\n' "${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
+
+-- This line starts the schema upgrade to version 27.0.
+
+ALTER TABLE dhcp4_shared_network
+    CHANGE client_class client_classes LONGTEXT DEFAULT NULL;
+
+ALTER TABLE dhcp4_subnet
+    CHANGE client_class client_classes LONGTEXT DEFAULT NULL;
+
+ALTER TABLE dhcp4_pool
+    CHANGE client_class client_classes LONGTEXT DEFAULT NULL;
+
+ALTER TABLE dhcp6_shared_network
+    CHANGE client_class client_classes LONGTEXT DEFAULT NULL;
+
+ALTER TABLE dhcp6_subnet
+    CHANGE client_class client_classes LONGTEXT DEFAULT NULL;
+
+ALTER TABLE dhcp6_pool
+    CHANGE client_class client_classes LONGTEXT DEFAULT NULL;
+
+ALTER TABLE dhcp6_pd_pool
+    CHANGE client_class client_classes LONGTEXT DEFAULT NULL;
+
+-- Update the schema version number.
+UPDATE schema_version
+    SET version = '27', minor = '0';
+
+-- This line concludes the schema upgrade to version 27.0.
+EOF
diff --git a/src/share/database/scripts/pgsql/.gitignore b/src/share/database/scripts/pgsql/.gitignore
index ae7b60b035..f77ce459a0 100644
--- a/src/share/database/scripts/pgsql/.gitignore
+++ b/src/share/database/scripts/pgsql/.gitignore
@@ -29,4 +29,5 @@
 /upgrade_023_to_024.sh
 /upgrade_024_to_025.sh
 /upgrade_025_to_026.sh
+/upgrade_026_to_027.sh
 /wipe_data.sh
diff --git a/src/share/database/scripts/pgsql/Makefile.am b/src/share/database/scripts/pgsql/Makefile.am
index fd0ef79f35..25614f3b3a 100644
--- a/src/share/database/scripts/pgsql/Makefile.am
+++ b/src/share/database/scripts/pgsql/Makefile.am
@@ -40,6 +40,7 @@ pgsql_SCRIPTS += upgrade_022_to_023.sh
 pgsql_SCRIPTS += upgrade_023_to_024.sh
 pgsql_SCRIPTS += upgrade_024_to_025.sh
 pgsql_SCRIPTS += upgrade_025_to_026.sh
+pgsql_SCRIPTS += upgrade_026_to_027.sh
 pgsql_SCRIPTS += wipe_data.sh
 
 DISTCLEANFILES = ${pgsql_SCRIPTS}
diff --git a/src/share/database/scripts/pgsql/dhcpdb_create.pgsql b/src/share/database/scripts/pgsql/dhcpdb_create.pgsql
index a25a800024..87c2448a5b 100644
--- a/src/share/database/scripts/pgsql/dhcpdb_create.pgsql
+++ b/src/share/database/scripts/pgsql/dhcpdb_create.pgsql
@@ -6529,6 +6529,33 @@ UPDATE schema_version
 
 -- This line concludes the schema upgrade to version 26.0.
 
+-- This line starts the schema upgrade to version 27.0.
+
+ALTER TABLE dhcp4_shared_network RENAME client_class TO client_classes;
+ALTER TABLE dhcp4_shared_network ALTER COLUMN client_classes TYPE TEXT;
+
+ALTER TABLE dhcp4_subnet RENAME client_class TO client_classes;
+ALTER TABLE dhcp4_subnet ALTER COLUMN client_classes TYPE TEXT;
+
+ALTER TABLE dhcp4_pool RENAME client_class TO client_classes;
+ALTER TABLE dhcp4_pool ALTER COLUMN client_classes TYPE TEXT;
+
+ALTER TABLE dhcp6_shared_network RENAME client_class TO client_classes;
+ALTER TABLE dhcp6_shared_network ALTER COLUMN client_classes TYPE TEXT;
+
+ALTER TABLE dhcp6_subnet RENAME client_class TO client_classes;
+ALTER TABLE dhcp6_subnet ALTER COLUMN client_classes TYPE TEXT;
+
+ALTER TABLE dhcp6_pool RENAME client_class TO client_classes;
+ALTER TABLE dhcp6_pool ALTER COLUMN client_classes TYPE TEXT;
+
+ALTER TABLE dhcp6_pd_pool RENAME client_class TO client_classes;
+ALTER TABLE dhcp6_pd_pool ALTER COLUMN client_classes TYPE TEXT;
+
+-- Update the schema version number.
+UPDATE schema_version
+    SET version = '27', minor = '0';
+
 -- Commit the script transaction.
 COMMIT;
 
diff --git a/src/share/database/scripts/pgsql/upgrade_026_to_027.sh.in b/src/share/database/scripts/pgsql/upgrade_026_to_027.sh.in
new file mode 100644
index 0000000000..c64676eb89
--- /dev/null
+++ b/src/share/database/scripts/pgsql/upgrade_026_to_027.sh.in
@@ -0,0 +1,70 @@
+#!/bin/sh
+
+# Copyright (C) 2024 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/.
+
+# 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 based on location of this script. Check for sources first,
+# so that the unexpected situations with weird paths fall on the default
+# case of installed.
+script_path=$(cd "$(dirname "${0}")" && pwd)
+if test "${script_path}" = "@abs_top_builddir@/src/share/database/scripts/pgsql"; then
+    # shellcheck source=./src/bin/admin/admin-utils.sh.in
+    . "@abs_top_builddir@/src/bin/admin/admin-utils.sh"
+else
+    # shellcheck source=./src/bin/admin/admin-utils.sh.in
+    . "@datarootdir@/@PACKAGE_NAME@/scripts/admin-utils.sh"
+fi
+
+VERSION=$(pgsql_version "$@")
+
+if [ "$VERSION" != "26.0" ]; then
+    printf 'This script upgrades 26.0 to 27.0. '
+    printf 'Reported version is %s. Skipping upgrade.\n' "${VERSION}"
+    exit 0
+fi
+
+psql "$@" >/dev/null <<EOF
+START TRANSACTION;
+
+-- This line starts the schema upgrade to version 27.0.
+
+ALTER TABLE dhcp4_shared_network RENAME client_class TO client_classes;
+ALTER TABLE dhcp4_shared_network ALTER COLUMN client_classes TYPE TEXT;
+
+ALTER TABLE dhcp4_subnet RENAME client_class TO client_classes;
+ALTER TABLE dhcp4_subnet ALTER COLUMN client_classes TYPE TEXT;
+
+ALTER TABLE dhcp4_pool RENAME client_class TO client_classes;
+ALTER TABLE dhcp4_pool ALTER COLUMN client_classes TYPE TEXT;
+
+ALTER TABLE dhcp6_shared_network RENAME client_class TO client_classes;
+ALTER TABLE dhcp6_shared_network ALTER COLUMN client_classes TYPE TEXT;
+
+ALTER TABLE dhcp6_subnet RENAME client_class TO client_classes;
+ALTER TABLE dhcp6_subnet ALTER COLUMN client_classes TYPE TEXT;
+
+ALTER TABLE dhcp6_pool RENAME client_class TO client_classes;
+ALTER TABLE dhcp6_pool ALTER COLUMN client_classes TYPE TEXT;
+
+ALTER TABLE dhcp6_pd_pool RENAME client_class TO client_classes;
+ALTER TABLE dhcp6_pd_pool ALTER COLUMN client_classes TYPE TEXT;
+
+-- Update the schema version number.
+UPDATE schema_version
+    SET version = '27', minor = '0';
+
+-- Commit the script transaction.
+COMMIT;
+
+EOF