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Cursor join test

master
mattbauer 2008-12-29 19:18:29 -06:00
parent 7f98adca87
commit 11e310b884
2 changed files with 38 additions and 1 deletions
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2
ext/bdb.c
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@ -1453,7 +1453,7 @@ VALUE dbc_count(VALUE obj)
rv = dbch->dbc->c_count(dbch->dbc,&count,NOFLAGS);
if (rv != 0)
raise_error(rv, "db_count failure: %s",db_strerror(rv));
return INT2FIX(count);
}

37
test/cursor_test.rb
View File

@ -63,4 +63,41 @@ class CursorTest < Test::Unit::TestCase
assert_equal 1, @cursor.count
end
def test_join
@personnel_db = Bdb::Db.new
@personnel_db.open(nil, File.join(File.dirname(__FILE__), 'tmp', 'personnel_db.db'), nil, Bdb::Db::HASH, Bdb::DB_CREATE, 0)
@names_db = Bdb::Db.new
@names_db.flags = Bdb::DB_DUPSORT
@names_db.open(nil, File.join(File.dirname(__FILE__), 'tmp', 'names_db.db'), nil, Bdb::Db::HASH, Bdb::DB_CREATE, 0)
@jobs_db = Bdb::Db.new
@jobs_db.flags = Bdb::DB_DUPSORT
@jobs_db.open(nil, File.join(File.dirname(__FILE__), 'tmp', 'jobs_db.db'), nil, Bdb::Db::HASH, Bdb::DB_CREATE, 0)
[{:ssn => '111-11-1111', :lastname => 'Smith', :job => 'welder'},
{:ssn => '222-22-2222', :lastname => 'Jones', :job => 'welder'},
{:ssn => '333-33-3333', :lastname => 'Smith', :job => 'painter'}].each do |e|
@personnel_db.put(nil, e[:ssn], Marshal.dump([e[:ssn], e[:lastname], e[:job]]), 0)
@names_db.put(nil, e[:lastname], e[:ssn], 0)
@jobs_db.put(nil, e[:job], e[:ssn], 0)
end
@name_cursor = @names_db.cursor(nil, 0)
@name_cursor.get('Smith', nil, Bdb::DB_SET)
assert_equal 2, @name_cursor.count
@job_cursor = @jobs_db.cursor(nil, 0)
@job_cursor.get('welder', nil, Bdb::DB_SET)
assert_equal 2, @job_cursor.count
@personnel_cursor = @personnel_db.join([@name_cursor, @job_cursor], 0)
assert_equal '111-11-1111', @personnel_cursor.get(nil, nil, 0).first
@personnel_cursor.close
@name_cursor.close
@job_cursor.close
@jobs_db.close(0)
@names_db.close(0)
@personnel_db.close(0)
end
end