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#! /usr/bin/env perl
#
# Verify that $dbh->tables() returns a list of (quoted) tables.
#
# Changes 2011-01-21 stefansbv:
# - localized variables per test block
#
use strict;
use warnings;
use DBI 1.19; # FetchHashKeyName support (2001-07-20)
use Test::More;
use lib 't','.';
use constant TI_DBI_FIELDS =>
[qw/ TABLE_CAT TABLE_SCHEM TABLE_NAME TABLE_TYPE REMARKS / ];
use TestFirebird;
my $T = TestFirebird->new;
my ( $dbh, $error_str )
= $T->connect_to_database(
{ RaiseError => 1, FetchHashKeyName => 'NAME_uc' } );
if ($error_str) {
BAIL_OUT("Unknown: $error_str!");
}
unless ( $dbh->isa('DBI::db') ) {
plan skip_all => 'Connection to database failed, cannot continue testing';
}
else {
plan tests => 41;
}
ok($dbh, 'Connected to the database');
# IB/FB derivatives can add at least 'ib_owner_name'
# (rdb$relations.rdb$owner_name) to the ordinary DBI table_info() fields.
use constant TI_IB_FIELDS =>
[ @{TI_DBI_FIELDS()}, 'IB_OWNER_NAME' ];
sub contains {
my ($superset, $subset) = @_;
# for our purposes, sets must not be empty
if (0 == @$superset or 0 == @$subset) {
die "Empty set given to contains()";
}
my %super = map {$_=>undef} @$superset;
for my $element (@$subset) {
return undef unless exists $super{$element};
}
return 1;
}
# ------- TESTS ------------------------------------------------------------- #
#
# Find a possible new table name
#
my $table = find_new_table($dbh);
ok($table, qq{Table is '$table'});
# -- List all catalogs (none)
{
my $sth = $dbh->table_info('%', '', '');
my $r = $sth->fetch;
ok(!defined($r), "No DBI catalog support");
ok(contains($sth->{NAME_uc}, TI_DBI_FIELDS),
"Result set contains expected table_info() fields");
}
# -- List all schema (none)
{
my $sth = $dbh->table_info('', '%', '');
ok(!defined($sth->fetch), "No DBI schema support");
ok(contains($sth->{NAME_uc}, TI_DBI_FIELDS),
"Result set contains expected table_info() fields");
}
# -- List all supported types
{
my $sth = $dbh->table_info('', '', '', '%');
my @types;
while (my $r = $sth->fetchrow_hashref) {
push @types, $r->{TABLE_TYPE};
}
ok(contains(\@types, ['VIEW', 'TABLE', 'SYSTEM TABLE']),
"Minimal types supported");
}
# -- Literal table specification
{
for my $tbl_spec ('RDB$DATABASE') {
my $sth1 = $dbh->table_info('', '', $tbl_spec);
my $r1 = $sth1->fetchrow_hashref;
is($r1->{TABLE_NAME}, $tbl_spec, "TABLE_NAME is $tbl_spec");
is($r1->{TABLE_TYPE}, 'SYSTEM TABLE', 'TABLE_TYPE is SYSTEM TABLE');
ok(contains($sth1->{NAME_uc}, TI_IB_FIELDS),
"Result set contains expected table_info() fields");
ok(!defined($sth1->fetch), "One and only one row returned for $tbl_spec");
my $sth2 = $dbh->table_info('', '', $tbl_spec, 'VIEW');
ok(!defined($sth2->fetch), "No VIEW named $tbl_spec");
ok(contains($sth2->{NAME_uc}, TI_IB_FIELDS),
"Result set contains expected table_info() fields");
my $sth3 = $dbh->table_info('', '', $tbl_spec, 'VIEW,SYSTEM TABLE');
my $r3 = $sth3->fetchrow_hashref;
is($r3->{TABLE_NAME}, $tbl_spec, "$tbl_spec found (multiple TYPEs given)");
is($r3->{TABLE_TYPE}, 'SYSTEM TABLE', 'TABLE_TYPE is SYSTEM TABLE (multiple TYPEs given)');
ok(!defined($sth3->fetch), "Only one row returned (multiple TYPEs given)");
ok(contains($sth3->{NAME_uc}, TI_IB_FIELDS),
"Result set contains expected table_info() fields");
}
}
# -- Pattern tests
# Similar to the literal table spec, but may return more than one
# matching entry (remember: '_' and '%' are search pattern characters)
for my $tbl_spec ('RDB$D_T_B_S_', 'RDB$%', '%', '') {
#
{
my $sth = $dbh->table_info('', '', $tbl_spec);
ok(contains($sth->{NAME_uc}, TI_IB_FIELDS),
"Result set contains expected table_info() fields");
my ($table_name, $table_type);
while (my $r = $sth->fetchrow_hashref) {
if ( $r->{TABLE_NAME} eq 'RDB$DATABASE' ) {
$table_name = $r->{TABLE_NAME};
$table_type = $r->{TABLE_TYPE};
last;
}
}
is( $table_name, 'RDB$DATABASE',
"RDB\$DATABASE found against '$tbl_spec'" );
is( $table_type, 'SYSTEM TABLE', 'is SYSTEM TABLE' );
}
#
{
my $sth = $dbh->table_info('', '', $tbl_spec, 'VIEW,SYSTEM TABLE');
ok(contains($sth->{NAME_uc}, TI_IB_FIELDS),
"Result set contains expected table_info() fields");
my ($table_name, $table_type);
while (my $r = $sth->fetchrow_hashref) {
if ( $r->{TABLE_NAME} eq 'RDB$DATABASE' ) {
$table_name = $r->{TABLE_NAME};
$table_type = $r->{TABLE_TYPE};
last;
}
}
is( $table_name, 'RDB$DATABASE',
"RDB\$DATABASE found against '$tbl_spec' (multiple TYPEs)" );
is( $table_type, 'SYSTEM TABLE', 'is SYSTEM TABLE (multiple TYPEs)' );
}
}
done_testing;
__END__
# vim: set et ts=4:
|
