[#396,!205] Modify MySQL schema to use fractional second timestamps.

src/lib/cc/stamped_element.cc

@@ -10,12 +10,12 @@ namespace isc {
 namespace data {
 
 StampedElement::StampedElement()
-    : timestamp_(boost::posix_time::second_clock::universal_time()) {
+    : timestamp_(boost::posix_time::microsecond_clock::universal_time()) {
 }
 
 void
 StampedElement::updateModificationTime() {
-    setModificationTime(boost::posix_time::second_clock::universal_time());
+    setModificationTime(boost::posix_time::microsecond_clock::universal_time());
 }
 
 } // end of namespace isc::data

src/share/database/scripts/mysql/dhcpdb_create.mysql

@@ -1334,12 +1334,96 @@ SET version = '7', minor = '0';
 
 # This line concludes database upgrade to version 7.0.
 
+-- -----------------------------------------------------
+-- Modify timestamps in the Configuration Backend
+-- specific tables to use fractional seconds with
+-- 3 decimal places precision.
+-- -----------------------------------------------------
+
+ALTER TABLE dhcp4_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_audit
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_global_parameter
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_global_parameter_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_option_def
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_option_def_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_shared_network
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_shared_network_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_subnet
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_pool
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_subnet_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_options
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_options_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_audit
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_global_parameter
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_global_parameter_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_option_def
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_option_def_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_shared_network
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_shared_network_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_subnet
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_pool
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_subnet_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_options
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_options_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
 -- -----------------------------------------------------
 -- Table `dhcp4_audit_revision`
 -- -----------------------------------------------------
 CREATE TABLE IF NOT EXISTS dhcp4_audit_revision (
     id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
-    modification_ts TIMESTAMP NOT NULL,
+    modification_ts TIMESTAMP(3) NOT NULL,
     log_message TEXT,
     server_id BIGINT(10) UNSIGNED,
     PRIMARY KEY (id),

src/share/database/scripts/mysql/upgrade_7.0_to_8.0.sh.in

@@ -17,6 +17,90 @@ fi
 
 mysql "$@" <<EOF
 
+-- -----------------------------------------------------
+-- Modify timestamps in the Configuration Backend
+-- specific tables to use fractional seconds with
+-- 3 decimal places precision.
+-- -----------------------------------------------------
+
+ALTER TABLE dhcp4_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_audit
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_global_parameter
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_global_parameter_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_option_def
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_option_def_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_shared_network
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_shared_network_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_subnet
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_pool
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_subnet_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_options
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp4_options_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_audit
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_global_parameter
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_global_parameter_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_option_def
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_option_def_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_shared_network
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_shared_network_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_subnet
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_pool
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_subnet_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_options
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
+ALTER TABLE dhcp6_options_server
+    MODIFY COLUMN modification_ts TIMESTAMP(3) NOT NULL;
+
 # -----------------------------------------------------
 # Table dhcp4_audit_revision
 # -----------------------------------------------------