test-ATIS.sh

#!/usr/bin/perl
# Copyright (c) 2000, 2001, 2003, 2006 MySQL AB, 2009 Sun Microsystems, Inc.
# Use is subject to license terms.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; version 2
# of the License.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library; if not, write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301, USA
#
# Test of creating the ATIS database and doing many different selects on it
#
# changes made for Oracle compatibility
# - added Oracle to the '' to ' ' translation
# - skip blank lines from the datafiles
# - skip a couple of the tests in Q4 that Oracle doesn't understand
################### Standard benchmark inits ##############################

use Cwd;
use DBI;
use Benchmark;

$opt_loop_count=100; # Run selects this many times

$pwd = cwd(); $pwd = "."if ($pwdeq'');
require"$pwd/bench-init.pl" || die"Can't read Configuration file: $!\n";

if ($opt_small_test)
{
$opt_loop_count/=10;
}

print"ATIS table test\n\n";

####
#### Connect and start timeing
####

$dbh = $server->connect();
$start_time=new Benchmark;

####
#### Create needed tables
####

init_data(); # Get table definitions

if (!$opt_skip_create)
{
print"Creating tables\n";
$loop_time= new Benchmark;
for ($ti = 0; $ti <= $#table_names; $ti++)
 {
my$table_name = $table_names[$ti];
my$array_ref = $tables[$ti];

# This may fail if we have no table so do not check answer
$sth = $dbh->do("drop table $table_name" . $server->{'drop_attr'});

print"Creating table $table_name\n"if ($opt_verbose);
 do_many($dbh,@$array_ref);
 }
$end_time=new Benchmark;
print"Time for create_table (" . ($#tables+1) ."): " .
 timestr(timediff($end_time, $loop_time),"all") . "\n\n";

if ($opt_fast && defined($server->{vacuum}))
 {
$server->vacuum(0,\$dbh);
 }

####
#### Insert data
####

print"Inserting data\n";

$loop_time= new Benchmark;
$row_count=0;
$double_quotes=$server->{'double_quotes'};

if ($opt_lock_tables)
 {
@tmp=@table_names; push(@tmp,@extra_names);
print"LOCK TABLES @tmp\n"if ($opt_debug);
$sth = $dbh->do("LOCK TABLES " . join(" WRITE,", @tmp) . " WRITE") ||
die$DBI::errstr;
 }

if ($opt_fast && $server->{'limits'}->{'load_data_infile'})
 {
for ($ti = 0; $ti <= $#table_names; $ti++)
 {
my$table_name = $table_names[$ti];
my$file = "$pwd/Data/ATIS/${table_name}.txt";
print"$table_name - $file\n"if ($opt_debug);
$row_count += $server->insert_file($table_name,$file,$dbh);
 }
 }
else
 {
if ($opt_fast && $server->{transactions})
 {
$dbh->{AutoCommit} = 0;
print"Transactions enabled\n"if ($opt_debug);
 }

for ($ti = 0; $ti <= $#table_names; $ti++)
 {
my$table_name = $table_names[$ti];
my$array_ref = $tables[$ti];
my@table = @$array_ref;
my$insert_start = "insert into $table_name values (";

open(DATA, "$pwd/Data/ATIS/${table_name}.txt") || die"Can't open text file: $pwd/Data/ATIS/${table_name}.txt\n";
while(<DATA>)
 {
chomp;
nextunless ( $_ =~ /\w/ ); # skip blank lines
my$command = $insert_start . $_ . ")";
$command = $server->fix_for_insert($command);
print"$command\n"if ($opt_debug);
$command =~ s/\\'/\'\'/gif ($double_quotes);

$sth = $dbh->do($command) ordie"Got error: $DBI::errstr when executing '$command'\n";
$row_count++;
 }
 }
if ($opt_fast && $server->{transactions})
 {
$dbh->commit;
$dbh->{AutoCommit} = 1;
 }
close(DATA);
 }

if ($opt_lock_tables)
 {
$dbh->do("UNLOCK TABLES");
 }
$end_time=new Benchmark;
print"Time to insert ($row_count): " .
 timestr(timediff($end_time, $loop_time),"all") . "\n\n";
}

if ($opt_fast && defined($server->{vacuum}))
{
$server->vacuum(0,\$dbh,@table_names);
}

if ($opt_lock_tables)
{
@tmp=@table_names; push(@tmp,@extra_names);
$sth = $dbh->do("LOCK TABLES " . join(" READ,", @tmp) . " READ") ||
die$DBI::errstr;
}
#
# Now the fun begins. Let's do some simple queries on the result
#
# The query array is defined as:
# query, number of rows in result, 0|1 where 1 means that the query is possible
#

print"Retrieving data\n";
@Q1=("select_simple_join",
"select city.city_name,state.state_name,city.city_code from city,state where city.city_code='MATL' and city.state_code=state.state_code",1,1,
"select city.city_name,state.state_name,city.city_code from state,city where city.state_code=state.state_code",11,1,
"select month_name.month_name,day_name.day_name from month_name,day_name where month_name.month_number=day_name.day_code",7,1,
"select month_name.month_name,day_name.day_name from month_name,day_name where month_name.month_number=day_name.day_code and day_name.day_code >= 4",4,1,
"select flight.flight_code,aircraft.aircraft_type from flight,aircraft where flight.aircraft_code=aircraft.aircraft_code",579,1,
 );

@Q2=("select_join",
"select airline.airline_name,aircraft.aircraft_type from aircraft,airline,flight where flight.aircraft_code=aircraft.aircraft_code and flight.airline_code=airline.airline_code",579,1);

@Q21=("select_key_prefix_join",
"select fare.fare_code from restrict_carrier,airline,fare where restrict_carrier.airline_code=airline.airline_code and fare.restrict_code=restrict_carrier.restrict_code",5692,1,
 );

@Q3=("select_distinct",
"select distinct category from aircraft",6,1,
"select distinct from_airport from flight",9,1,
"select distinct aircraft_code from flight",22,1,
"select distinct * from fare",534,1,
"select distinct flight_code from flight_fare",579,1,
"select distinct flight.flight_code,aircraft.aircraft_type from flight,aircraft where flight.aircraft_code=aircraft.aircraft_code",579,1,
"select distinct airline.airline_name,aircraft.aircraft_type from aircraft,airline,flight where flight.aircraft_code=aircraft.aircraft_code and flight.airline_code=airline.airline_code",44,$limits->{'join_optimizer'},
"select distinct airline.airline_name,aircraft.aircraft_type from flight,aircraft,airline where flight.aircraft_code=aircraft.aircraft_code and flight.airline_code=airline.airline_code",44,1,
 );

@Q4=("select_group",
"select day_name.day_name,day_name.day_code,count(*) from flight_day,day_name where day_name.day_code=flight_day.day_code group by day_name.day_name,day_name.day_code order by day_name.day_code",7,$limits->{'group_functions'},
"select day_name.day_name,count(*) from flight_day,day_name where day_name.day_code=flight_day.day_code group by day_name.day_name",7,$limits->{'group_functions'},
"select month_name,day_name from month_name,day_name where month_number=day_code and day_code>3 group by month_name,day_name",4,$limits->{'group_functions'},
"select day_name.day_name,flight_day.day_code,count(*) from flight_day,day_name where day_name.day_code=flight_day.day_code group by flight_day.day_code,day_name.day_name order by flight_day.day_code",7,$limits->{'group_functions'},
"select sum(engines) from aircraft",1,$limits->{'group_functions'},
"select avg(engines) from aircraft",1,$limits->{'group_functions'},
"select avg(engines) from aircraft where engines>0",1,$limits->{'group_functions'},
"select count(*),min(pay_load),max(pay_load) from aircraft where pay_load>0",1,$limits->{'group_functions'},
"select min(flight_code),min(flight_code) from flight",1,$limits->{'group_functions'},
"select min(from_airport),min(to_airport) from flight",1,$limits->{'group_functions'} && $limits->{'group_func_sql_min_str'},
"select count(*) from aircraft where pay_load>10000",1,$limits->{'group_functions'},
"select count(*) from aircraft where pay_load<>0",1,$limits->{'group_functions'},
"select count(*) from flight where flight_code >= 112793",1,$limits->{'group_functions'},
"select count(if(pay_load,1,NULL)) from aircraft",1,$limits->{'if'} && $limits->{'group_functions'},
"select std(engines) from aircraft",1,$limits->{'group_func_extra_std'},
"SELECT from_airport,to_airport,avg(time_elapsed) FROM flight WHERE from_airport='ATL' AND to_airport='BOS' group by from_airport,to_airport",1,$limits->{'group_functions'},
"select city_code, avg(ground_fare) from ground_service where ground_fare<>0 group by city_code",11,$limits->{'group_functions'},
"select count(*), ground_service.city_code from ground_service group by ground_service.city_code",12,$limits->{'group_functions'},
"select category,count(*) as totalnr from aircraft where engines=2 group by category having totalnr>4",3,$limits->{'group_functions'} && $limits->{'having_with_alias'},
"select category,count(*) from aircraft where engines=2 group by category having count(*)>4",3,$limits->{'group_functions'} && $limits->{'having_with_group'},
"select flight_number,range_miles,fare_class FROM aircraft,flight,flight_class WHERE flight.flight_code=flight_class.flight_code AND flight.aircraft_code=aircraft.aircraft_code AND range_miles<>0 AND (stops=1 OR stops=2) GROUP BY flight_number,range_miles,fare_class",150,$limits->{'group_functions'},
"select distinct from_airport.time_zone_code,to_airport.time_zone_code,(FLOOR(arrival_time/100)*60+MOD(arrival_time,100)-FLOOR(departure_time/100)*60-MOD(departure_time,100)-time_elapsed)/60 AS time_zone_diff FROM flight,airport AS from_airport,airport AS to_airport WHERE flight.from_airport=from_airport.airport_code AND flight.to_airport=to_airport.airport_code GROUP BY from_airport.time_zone_code,to_airport.time_zone_code,arrival_time,departure_time,time_elapsed",21,$limits->{'func_odbc_mod'} && $limits->{'func_odbc_floor'} && $limits->{'group_functions'},
"select DISTINCT from_airport.time_zone_code,to_airport.time_zone_code,MOD((FLOOR(arrival_time/100)*60+MOD(arrival_time,100)-FLOOR(departure_time/100)*60-MOD(departure_time,100)-time_elapsed)/60+36,24)-12 AS time_zone_diff FROM flight,airport AS from_airport,airport AS to_airport WHERE flight.from_airport=from_airport.airport_code AND flight.to_airport=to_airport.airport_code and MOD((FLOOR(arrival_time/100)*60+MOD(arrival_time,100)-FLOOR(departure_time/100)*60-MOD(departure_time,100)-time_elapsed)/60+36,24)-12 < 10",14,$limits->{'func_odbc_mod'} && $limits->{'func_odbc_floor'} && $limits->{'group_functions'},
"select from_airport,to_airport,range_miles,time_elapsed FROM aircraft,flight WHERE aircraft.aircraft_code=flight.aircraft_code AND to_airport NOT LIKE from_airport AND range_miles<>0 AND time_elapsed<>0 GROUP BY from_airport,to_airport,range_miles,time_elapsed",409,$limits->{'group_functions'} && $limits->{'like_with_column'},
"SELECT airport.country_name,state.state_name,city.city_name,airport_service.direction FROM airport_service,state,airport,city WHERE airport_service.city_code=city.city_code AND airport_service.airport_code=airport.airport_code AND state.state_code=airport.state_code AND state.state_code=city.state_code AND airport.state_code=city.state_code AND airport.country_name=city.country_name AND airport.country_name=state.country_name AND city.time_zone_code=airport.time_zone_code GROUP BY airport.country_name,state.state_name,city.city_name,airport_service.direction ORDER BY state_name",11,$limits->{'group_functions'},
"SELECT airport.country_name,state.state_name,city.city_name,airport_service.direction FROM airport_service,state,airport,city WHERE airport_service.city_code=city.city_code AND airport_service.airport_code=airport.airport_code AND state.state_code=airport.state_code AND state.state_code=city.state_code AND airport.state_code=city.state_code AND airport.country_name=city.country_name AND airport.country_name=state.country_name AND city.time_zone_code=airport.time_zone_code GROUP BY airport.country_name,state.state_name,city.city_name,airport_service.direction ORDER BY state_name DESC",11,$limits->{'group_functions'},
"SELECT airport.country_name,state.state_name,city.city_name,airport_service.direction FROM airport_service,state,airport,city WHERE airport_service.city_code=city.city_code AND airport_service.airport_code=airport.airport_code AND state.state_code=airport.state_code AND state.state_code=city.state_code AND airport.state_code=city.state_code AND airport.country_name=city.country_name AND airport.country_name=state.country_name AND city.time_zone_code=airport.time_zone_code GROUP BY airport.country_name,state.state_name,city.city_name,airport_service.direction ORDER BY state_name",11,$limits->{'group_functions'},
"SELECT from_airport,to_airport,fare.fare_class,night,one_way_cost,rnd_trip_cost,class_days FROM compound_class,fare WHERE compound_class.fare_class=fare.fare_class AND one_way_cost <= 825 AND one_way_cost >= 280 AND from_airport='SFO' AND to_airport='DFW' GROUP BY from_airport,to_airport,fare.fare_class,night,one_way_cost,rnd_trip_cost,class_days ORDER BY one_way_cost",10,$limits->{'group_functions'},
"select engines,category,cruising_speed,from_airport,to_airport FROM aircraft,flight WHERE category='JET' AND engines >= 1 AND aircraft.aircraft_code=flight.aircraft_code AND to_airport NOT LIKE from_airport AND stops>0 GROUP BY engines,category,cruising_speed,from_airport,to_airport ORDER BY engines DESC",29,$limits->{'group_functions'} && $limits->{'like_with_column'},
 );

@Q=(\@Q1,\@Q2,\@Q21,\@Q3,\@Q4);


foreach$Q (@Q)
{
$count=$estimated=0;
$loop_time= new Benchmark;
for ($i=1 ; $i <= $opt_loop_count; $i++)
 {
for ($j=1 ; $j < $#$Q ; $j+=3)
 {
if ($Q->[$j+2])
 { # We can do it with current limits
$count++;
if ($i == 100) # Do something different
 {
if (($row_count=fetch_all_rows($dbh,$server->query($Q->[$j]))) !=
$Q->[$j+1])
 {
if ($row_count == undef())
 {
die"Got error: $DBI::errstr when executing " . $Q->[$j] ."\n"."got $row_count instead of $Q->[$j+1] *** \n";
 }
print"Warning: Query '" . $Q->[$j] . "' returned $row_count rows when it should have returned " . $Q->[$j+1] . " rows\n";
 }
 }
else
 {
defined(fetch_all_rows($dbh,$server->query($Q->[$j])))
ordie"ERROR: $DBI::errstr executing '$Q->[$j]'\n";
 }
 }
 }
$end_time=new Benchmark;
lastif ($estimated=predict_query_time($loop_time,$end_time,\$count,$i,
$opt_loop_count));
print"Loop $i\n"if ($opt_verbose);
 }
if ($count)
 {
if ($estimated)
 { print"Estimated time"; }
else
 { print"Time"; }
print" for " . $Q->[0] . " ($count): " .
 timestr(timediff($end_time, $loop_time),"all") . "\n";
 }
}

print"\n";

####
#### Delete the tables
####

if (!$opt_skip_delete) # Only used when testing
{
print"Removing tables\n";
$loop_time= new Benchmark;
if ($opt_lock_tables)
 {
$sth = $dbh->do("UNLOCK TABLES") || die$DBI::errstr;
 }
for ($ti = 0; $ti <= $#table_names; $ti++)
 {
my$table_name = $table_names[$ti];
$sth = $dbh->do("drop table $table_name" . $server->{'drop_attr'});
 }

$end_time=new Benchmark;
print"Time to drop_table (" .($#table_names+1) . "): " .
 timestr(timediff($end_time, $loop_time),"all") . "\n";
}

if ($opt_fast && defined($server->{vacuum}))
{
$server->vacuum(0,\$dbh);
}

####
#### End of benchmark
####

$dbh->disconnect; # close connection

end_benchmark($start_time);


subinit_data
{
@aircraft=
$server->create("aircraft",
 ["aircraft_code char(3) NOT NULL",
"aircraft_type char(64) NOT NULL",
"engines tinyint(1) NOT NULL",
"category char(10) NOT NULL",
"wide_body char(3) NOT NULL",
"wing_span float(6,2) NOT NULL",
"length1 float(6,2) NOT NULL",
"weight integer(7) NOT NULL",
"capacity smallint(3) NOT NULL",
"pay_load integer(7) NOT NULL",
"cruising_speed mediumint(5) NOT NULL",
"range_miles mediumint(5) NOT NULL",
"pressurized char(3) NOT NULL"],
 ["PRIMARY KEY (aircraft_code)"]);
@airline=
$server->create("airline",
 ["airline_code char(2) NOT NULL",
"airline_name char(64) NOT NULL",
"notes char(38) NOT NULL"],
 ["PRIMARY KEY (airline_code)"]);
@airport=
$server->create("airport",
 ["airport_code char(3) NOT NULL",
"airport_name char(40) NOT NULL",
"location char(36) NOT NULL",
"state_code char(2) NOT NULL",
"country_name char(25) NOT NULL",
"time_zone_code char(3) NOT NULL"],
 ["PRIMARY KEY (airport_code)"]);
@airport_service=
$server->create("airport_service",
 ["city_code char(4) NOT NULL",
"airport_code char(3) NOT NULL",
"miles_distant float(4,1) NOT NULL",
"direction char(3) NOT NULL",
"minutes_distant smallint(3) NOT NULL"],
 ["PRIMARY KEY (city_code, airport_code)"]);
@city=
$server->create("city",
 ["city_code char(4) NOT NULL",
"city_name char(25) NOT NULL",
"state_code char(2) NOT NULL",
"country_name char(25) NOT NULL",
"time_zone_code char(3) NOT NULL"],
 ["PRIMARY KEY (city_code)"]);
@class_of_service=
$server->create("class_of_service",
 ["class_code char(2) NOT NULL",
"rank tinyint(2) NOT NULL",
"class_description char(80) NOT NULL"],
 ["PRIMARY KEY (class_code)"]);
@code_description=
$server->create("code_description",
 ["code char(5) NOT NULL",
"description char(110) NOT NULL"],
 ["PRIMARY KEY (code)"]);
@compound_class=
$server->create("compound_class",
 ["fare_class char(3) NOT NULL",
"base_class char(2) NOT NULL",
"class_type char(10) NOT NULL",
"premium char(3) NOT NULL",
"economy char(3) NOT NULL",
"discounted char(3) NOT NULL",
"night char(3) NOT NULL",
"season_fare char(4) NOT NULL",
"class_days char(7) NOT NULL"],
 ["PRIMARY KEY (fare_class)"]);
@connect_leg=
$server->create("connect_leg",
 ["connect_code integer(8) NOT NULL",
"leg_number tinyint(1) NOT NULL",
"flight_code integer(8) NOT NULL"],
 ["PRIMARY KEY (connect_code, leg_number, flight_code)"]);
@connection=
$server->create("fconnection",
 ["connect_code integer(8) NOT NULL",
"from_airport char(3) NOT NULL",
"to_airport char(3) NOT NULL",
"departure_time smallint(4) NOT NULL",
"arrival_time smallint(4) NOT NULL",
"flight_days char(7) NOT NULL",
"stops tinyint(1) NOT NULL",
"connections tinyint(1) NOT NULL",
"time_elapsed smallint(4) NOT NULL"],
 ["PRIMARY KEY (connect_code)",
"INDEX from_airport1 (from_airport)",
"INDEX to_airport1 (to_airport)"]);
@day_name=
$server->create("day_name",
 ["day_code tinyint(1) NOT NULL",
"day_name char(9) NOT NULL"],
 ["PRIMARY KEY (day_code)"]);
@dual_carrier=
$server->create("dual_carrier",
 ["main_airline char(2) NOT NULL",
"dual_airline char(2) NOT NULL",
"low_flight smallint(4) NOT NULL",
"high_flight smallint(4) NOT NULL",
"fconnection_name char(64) NOT NULL"],
 ["PRIMARY KEY (main_airline, dual_airline, low_flight)",
"INDEX main_airline1 (main_airline)"]);

@fare=
$server->create("fare",
 ["fare_code char(8) NOT NULL",
"from_airport char(3) NOT NULL",
"to_airport char(3) NOT NULL",
"fare_class char(3) NOT NULL",
"fare_airline char(2) NOT NULL",
"restrict_code char(5) NOT NULL",
"one_way_cost float(7,2) NOT NULL",
"rnd_trip_cost float(8,2) NOT NULL"],
 ["PRIMARY KEY (fare_code)",
"INDEX from_airport2 (from_airport)",
"INDEX to_airport2 (to_airport)"]);
@flight=
$server->create("flight",
 ["flight_code integer(8) NOT NULL",
"flight_days char(7) NOT NULL",
"from_airport char(3) NOT NULL",
"to_airport char(3) NOT NULL",
"departure_time smallint(4) NOT NULL",
"arrival_time smallint(4) NOT NULL",
"airline_code char(2) NOT NULL",
"flight_number smallint(4) NOT NULL",
"class_string char(8) NOT NULL",
"aircraft_code char(3) NOT NULL",
"meal_code char(7) NOT NULL",
"stops tinyint(1) NOT NULL",
"dual_carrier char(1) NOT NULL",
"time_elapsed smallint(4) NOT NULL"],
 ["PRIMARY KEY (flight_code)",
"INDEX from_airport3 (from_airport)",
"INDEX to_airport3 (to_airport)"]);
@flight_class=
$server->create("flight_class",
 ["flight_code integer(8) NOT NULL",
"fare_class char(3) NOT NULL"],
 ["PRIMARY KEY (flight_code, fare_class)"]);
@flight_day=
$server->create("flight_day",
 ["day_mask char(7) NOT NULL",
"day_code tinyint(1) NOT NULL",
"day_name char(9) NOT NULL"],
 ["PRIMARY KEY (day_mask, day_code)"]);
@flight_fare=
$server->create("flight_fare",
 ["flight_code integer(8) NOT NULL",
"fare_code char(8) NOT NULL"],
 ["PRIMARY KEY (flight_code, fare_code)"]);
@food_service=
$server->create("food_service",
 ["meal_code char(4) NOT NULL",
"meal_number tinyint(1) NOT NULL",
"meal_class char(10) NOT NULL",
"meal_description char(10) NOT NULL"],
 ["PRIMARY KEY (meal_code, meal_number, meal_class)"]);
@ground_service=
$server->create("ground_service",
 ["city_code char(4) NOT NULL",
"airport_code char(3) NOT NULL",
"transport_code char(1) NOT NULL",
"ground_fare float(6,2) NOT NULL"],
 ["PRIMARY KEY (city_code, airport_code, transport_code)"]);
@time_interval=
$server->create("time_interval",
 ["period char(20) NOT NULL",
"begin_time smallint(4) NOT NULL",
"end_time smallint(4) NOT NULL"],
 ["PRIMARY KEY (period, begin_time)"]);
@month_name=
$server->create("month_name",
 ["month_number tinyint(2) NOT NULL",
"month_name char(9) NOT NULL"],
 ["PRIMARY KEY (month_number)"]);
@restrict_carrier=
$server->create("restrict_carrier",
 ["restrict_code char(5) NOT NULL",
"airline_code char(2) NOT NULL"],
 ["PRIMARY KEY (restrict_code, airline_code)"]);
@restrict_class=
$server->create("restrict_class",
 ["restrict_code char(5) NOT NULL",
"ex_fare_class char(12) NOT NULL"],
 ["PRIMARY KEY (restrict_code, ex_fare_class)"]);
@restriction=
$server->create("restriction",
 ["restrict_code char(5) NOT NULL",
"application char(80) NOT NULL",
"no_discounts char(80) NOT NULL",
"reserve_ticket smallint(3) NOT NULL",
"stopovers char(1) NOT NULL",
"return_min smallint(3) NOT NULL",
"return_max smallint(3) NOT NULL"],
 ["PRIMARY KEY (restrict_code)"]);
@state=
$server->create("state",
 ["state_code char(2) NOT NULL",
"state_name char(25) NOT NULL",
"country_name char(25) NOT NULL"],
 ["PRIMARY KEY (state_code)"]);
@stop=
$server->create("stop1",
 ["flight_code integer(8) NOT NULL",
"stop_number tinyint(1) NOT NULL",
"stop_flight integer(8) NOT NULL"],
 ["PRIMARY KEY (flight_code, stop_number)"]);
@time_zone=
$server->create("time_zone",
 ["time_zone_code char(3) NOT NULL",
"time_zone_name char(32) NOT NULL"],
 ["PRIMARY KEY (time_zone_code, time_zone_name)"]);
@transport=
$server->create("transport",
 ["transport_code char(1) NOT NULL",
"transport_desc char(32) NOT NULL"],
 ["PRIMARY KEY (transport_code)"]);

# Avoid not used warnings

@tables =
 (\@aircraft, \@airline, \@airport, \@airport_service,
 \@city, \@class_of_service, \@code_description,
 \@compound_class, \@connect_leg, \@connection, \@day_name,
 \@dual_carrier, \@fare, \@flight, \@flight_class, \@flight_day,
 \@flight_fare, \@food_service, \@ground_service, \@time_interval,
 \@month_name,
 \@restrict_carrier, \@restrict_class, \@restriction, \@state, \@stop,
 \@time_zone, \@transport);

@table_names =
 ("aircraft", "airline", "airport", "airport_service",
"city", "class_of_service", "code_description",
"compound_class", "connect_leg", "fconnection", "day_name",
"dual_carrier", "fare", "flight", "flight_class", "flight_day",
"flight_fare", "food_service", "ground_service", "time_interval",
"month_name",
"restrict_carrier", "restrict_class", "restriction", "state", "stop1",
"time_zone", "transport");

# Alias used in joins
@extra_names=("airport as from_airport","airport as to_airport");
}