kea-manage/lib/database/postgres/queries.go

package postgres

const insertHostReservation = `INSERT INTO hosts (dhcp_identifier,
    dhcp_identifier_type,
    dhcp4_subnet_id,
    ipv4_address,
    hostname)
	VALUES (DECODE(REPLACE($1, ':', ''), 'hex'), $2, $3, (SELECT ($4::inet - '0.0.0.0'::inet)), $5);`

const getHostIDWithMacAddr = `SELECT host_id
	FROM hosts
	WHERE dhcp4_subnet_id = $1
	AND dhcp_identifier_type = $2
	AND dhcp_identifier = (DECODE(REPLACE($3, ':', ''), 'hex'));`

const insertIfNotExists = `INSERT INTO hosts (dhcp_identifier,
    dhcp_identifier_type,
    dhcp4_subnet_id,
    ipv4_address,
    hostname)
	SELECT DECODE(REPLACE($1, ':', ''), 'hex'), $2, $3, (SELECT ($4::inet - '0.0.0.0'::inet)), $5
	WHERE NOT EXISTS (
	SELECT host_id FROM hosts
	WHERE dhcp4_subnet_id = $3
	AND dhcp_identifier_type = $2
	AND dhcp_identifier = DECODE(REPLACE($1, ':', ''), 'hex'));`

const update = `UPDATE hosts
	SET ipv4_address = (SELECT ($4::inet - '0.0.0.0'::inet)),
	    hostname = $5
	WHERE dhcp_identifier = (SELECT DECODE(REPLACE($1, ':', ''), 'hex')) AND
		dhcp_identifier_type = $2 AND
		dhcp4_subnet_id = $3;`