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+#!/bin/sh
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+
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+# Include utilities. Use installed version if available and
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+# use build version if it isn't.
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+if [ -e @datarootdir@/@PACKAGE_NAME@/scripts/admin-utils.sh ]; then
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+ . @datarootdir@/@PACKAGE_NAME@/scripts/admin-utils.sh
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+else
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+ . @abs_top_builddir@/src/bin/admin/admin-utils.sh
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+fi
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+
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+VERSION=`mysql_version "$@"`
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+
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+if [ "$VERSION" != "3.0" ]; then
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+ printf "This script upgrades 3.0 to 4.0. Reported version is $VERSION. Skipping upgrade.\n"
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+ exit 0
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+fi
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+
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+mysql "$@" <<EOF
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+# Add state column to the lease4 table.
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+ALTER TABLE lease4
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+ ADD COLUMN state INT UNSIGNED DEFAULT 0;
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+
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+# Add state column to the lease6 table.
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+ALTER TABLE lease6
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+ ADD COLUMN state INT UNSIGNED DEFAULT 0;
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+
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+# Create indexes for querying leases in a given state and segregated
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+# by the expiration time. One of the applications is to retrieve all
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+# expired leases. However, these indexes can be also used to retrieve
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+# leases in a given state regardless of the expiration time.
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+CREATE INDEX lease4_by_state_expire ON lease4 (state, expire);
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+CREATE INDEX lease6_by_state_expire ON lease6 (state, expire);
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+
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+# Create table holding mapping of the lease states to their names.
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+# This is not used in queries from the DHCP server but rather in
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+# direct queries from the lease database management tools.
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+CREATE TABLE IF NOT EXISTS lease_state (
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+ state INT UNSIGNED PRIMARY KEY NOT NULL,
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+ name VARCHAR(64) NOT NULL);
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+
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+# Insert currently defined state names.
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+INSERT INTO lease_state VALUES (0, "default");
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+INSERT INTO lease_state VALUES (1, "declined");
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+INSERT INTO lease_state VALUES (2, "expired-reclaimed");
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+
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+# FUNCTION that returns a result set containing the column names for lease4 dumps
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+DROP PROCEDURE IF EXISTS lease4DumpHeader;
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+DELIMITER $$
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+CREATE PROCEDURE lease4DumpHeader()
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+BEGIN
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+SELECT 'address,hwaddr,client_id,valid_lifetime,expire,subnet_id,fqdn_fwd,fqdn_rev,hostname,state';
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+END $$
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+DELIMITER ;
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+
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+# FUNCTION that returns a result set containing the data for lease4 dumps
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+DROP PROCEDURE IF EXISTS lease4DumpData;
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+DELIMITER $$
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+CREATE PROCEDURE lease4DumpData()
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+BEGIN
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+SELECT
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+ INET_NTOA(l.address),
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+ IFNULL(HEX(l.hwaddr), ''),
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+ IFNULL(HEX(l.client_id), ''),
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+ l.valid_lifetime,
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+ l.expire,
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+ l.subnet_id,
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+ l.fqdn_fwd,
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+ l.fqdn_rev,
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+ l.hostname,
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+ s.name
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+from
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+ lease4 l
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+ LEFT OUTER JOIN lease_state s on (l.state = s.state);
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+END $$
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+DELIMITER ;
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+
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+# FUNCTION that returns a result set containing the column names for lease6 dumps
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+DROP PROCEDURE IF EXISTS lease6DumpHeader;
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+DELIMITER $$
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+CREATE PROCEDURE lease6DumpHeader()
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+BEGIN
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+SELECT 'address,duid,valid_lifetime,expire,subnet_id,pref_lifetime,lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr,hwtype,hwaddr_source,state';
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+END $$
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+DELIMITER ;
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+
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+# FUNCTION that returns a result set containing the data for lease6 dumps
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+DROP PROCEDURE IF EXISTS lease6DumpData;
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+DELIMITER $$
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+CREATE PROCEDURE lease6DumpData()
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+BEGIN
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+SELECT
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+ l.address,
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+ IFNULL(HEX(l.duid), ''),
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+ l.valid_lifetime,
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+ l.expire,
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+ l.subnet_id,
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+ l.pref_lifetime,
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+ IFNULL(t.name, ''),
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+ l.iaid,
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+ l.prefix_len,
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+ l.fqdn_fwd,
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+ l.fqdn_rev,
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+ l.hostname,
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+ IFNULL(HEX(l.hwaddr), ''),
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+ IFNULL(l.hwtype, ''),
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+ IFNULL(l.hwaddr_source, ''),
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+ IFNULL(s.name, '')
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+FROM lease6 l
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+ left outer join lease6_types t on (l.lease_type = t.lease_type)
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+ left outer join lease_state s on (l.state = s.state);
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+END $$
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+DELIMITER ;
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+
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+# Update the schema version number
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+UPDATE schema_version
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+SET version = '4', minor = '0';
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+# This line concludes database upgrade to version 4.0.
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+EOF
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+
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+RESULT=$?
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+
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+exit $?
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Thomas Markwalder