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class TestPostgresTimestamp < DBDConfig.testbase(:postgresql)
def get_tstamp
DateTime.parse("2008-03-08 10:39:01.012300")
end
# XXX DateTime is not allowed to modify the sec_fraction component, so this test is moot.
# perhaps we need to fix DateTime.
def skip_test_timestamp_altered_fraction
ts = nil
assert_nothing_raised do
@sth = @dbh.prepare("insert into timestamp_test (mytimestamp) values (?)")
ts = DateTime.parse(Time.now.to_s)
ts.sec_fraction = 22200000
@sth.execute(ts)
@sth.finish
end
assert_nothing_raised do
@sth = @dbh.prepare("select * from timestamp_test")
@sth.execute
row = @sth.fetch
@sth.finish
assert_equal ts.sec_fraction, row[0].sec_fraction
end
end
def test_current_timestamp
assert @dbh
# syntax db-specific (e.g., "from dual", "...timestamp()", etc.)
ts = @dbh.select_one("SELECT CURRENT_TIMESTAMP")[0]
assert_kind_of DateTime, ts
assert_not_nil ts.sec_fraction
end
# Just like the 'general' test, but checking for fractional seconds
def test_timestamp_fractional
assert @dbh
@sth = nil
t = get_tstamp
assert_nothing_raised do
@sth = @dbh.prepare("insert into timestamp_test (mytimestamp) values (?)")
@sth.execute(t)
@sth.finish
end
assert_nothing_raised do
@sth = @dbh.prepare("select * from timestamp_test")
@sth.execute
row = @sth.fetch
assert_kind_of DateTime, row[0]
assert_equal t.year, row[0].year
assert_equal t.month, row[0].month
assert_equal t.day, row[0].day
assert_equal t.hour, row[0].hour
assert_equal t.min, row[0].min
assert_equal t.sec, row[0].sec
assert_not_nil row[0].sec_fraction
assert_equal t.sec_fraction, row[0].sec_fraction
@sth.finish
end
end
# Is our DBI::Timestamp equivalent to its canonical string literal
# form cast appropriately?
def test_timestamp_from_cast
assert @dbh
sql_ts = "SELECT CAST('2008-03-08 10:39:01.012300' AS TIMESTAMP)"
row = @dbh.select_one(sql_ts)
assert_not_nil row
assert_equal 1, row.size
assert_kind_of DateTime, row[0]
assert_equal row[0], get_tstamp
end
end
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