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−#!perl -I./t
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−
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−# This Source Code Form is subject to the terms of the Mozilla Public
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−# License, v. 2.0.  If a copy of the MPL was not distributed with this
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−# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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−#
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−# Copyright 1997 - July 2008 CWI, August 2008 - 2017 MonetDB B.V.
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−
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−$| = 1;
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−
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−use strict;
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−use warnings;
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−use DBI();
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−use DBD_TEST();
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−
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−use Test::More;
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−
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−if (defined $ENV{DBI_DSN}) {
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−  plan tests => 14;
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−} else {
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−  plan skip_all => 'Cannot test without DB info';
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−}
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−
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−pass('Foreign key tests');
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−
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−my $dbh = DBI->connect or die "Connect failed: $DBI::errstr\n";
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−pass('Database connection created');
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−
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−eval { $dbh->foreign_key_info };
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−ok( $@,"Call to foreign_key_info with 0 arguments, error expected: $@");
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−
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−{
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−  local $dbh->{PrintWarn} = 0;
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−
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−#  my $sth = $dbh->foreign_key_info('', undef, undef, undef, undef, undef );
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−#  ok( $dbh->errstr,'Call to foreign_key_info with catalog argument, warning expected: ' . $dbh->errstr );
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−}
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−# -----------------------------------------------------------------------------
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−
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−my $catalog = undef;
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−my $schema  = $dbh->selectrow_array(<<'SQL');
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−select name from sys.schemas where name = current_schema
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−SQL
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−ok( $schema,"Current schema: $schema");
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−my $tbl     = lc $DBD_TEST::table_name;
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−my $tbl2    = $tbl . '_2';
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−
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−my $ti = DBD_TEST::get_type_for_column( $dbh,'A');
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−is( ref $ti,'HASH','Type info');
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−
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−{
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−  local ($dbh->{Warn}, $dbh->{PrintError});
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−  $dbh->{PrintError} = $dbh->{Warn} = 0;
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−  $dbh->do("DROP TABLE $tbl2");
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−  $dbh->do("DROP TABLE $tbl");
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−}
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−# -----------------------------------------------------------------------------
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−SKIP: {
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−  my $sql = <<"SQL";
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−create table $tbl
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−(
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−  n integer
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−, s varchar(9)
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−, d date
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−, constraint pk_t primary key ( n, s )
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−, constraint uk_t unique ( d )
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−)
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−SQL
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−  $dbh->do( $sql );
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−  is( $dbh->err, undef,"$sql");
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−
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−  skip('FK test 1', 4 ) if $dbh->err;
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−
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−  $sql = <<"SQL";
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−create table $tbl2
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−(
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−  n2 integer
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−, s2 varchar(9)
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−, d2 date
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−, constraint pk2_t primary key ( n2, s2 )
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−, constraint uk2_t unique ( d2 )
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−, constraint fkp_t foreign key ( n2, s2 ) references $tbl
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−, constraint fku_t foreign key ( d2 ) references $tbl( d )
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−)
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−SQL
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−  $dbh->do( $sql );
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−  is( $dbh->err, undef,"$sql");
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−
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−  my $sth = $dbh->foreign_key_info( $catalog, $schema, $tbl, $catalog, $schema, $tbl2 );
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−  ok( defined $sth,'Statement handle defined');
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−
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−  my $a = $sth->fetchall_arrayref;
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−
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−  print "# Foreign key columns:\n";
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−  print '# ', DBI::neat_list( $_ ), "\n" for @$a;
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−
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−  is( $#$a, 2,'Exactly 3 foreign key columns');
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−  is( $a->[2][3],'s', 'Foreign key column name');
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−
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−  ok( $dbh->do( $_ ), $_ ) for "DROP TABLE $tbl2";
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−  ok( $dbh->do( $_ ), $_ ) for "DROP TABLE $tbl";
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−}
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−# -----------------------------------------------------------------------------
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−SKIP: {
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−  skip('Invalid use of null pointer (SQL-HY009) when using DBD::ODBC', 1 )
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−    if $dbh->{Driver}{Name} eq 'ODBC';
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−  my $sth = $dbh->foreign_key_info( undef, undef, undef, undef, undef, undef );
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−  ok( defined $sth,'Statement handle defined for foreign_key_info()');
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−  DBD_TEST::dump_results( $sth );
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−}
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−# -----------------------------------------------------------------------------
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−
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−ok( $dbh->disconnect,'Disconnect');