private async Task Update(ScanResponse resp, RegionInfo region)
{
if (IsRegionScannerClosed() && resp.ScannerId != 0)
{
OpenRegionScanner(resp.ScannerId);
}
if (true != resp?.MoreResultsInRegion)
{
await CloseRegionScanner();
if (false == _rpc.Reversed)
{
_startRow = region.StopKey;
return;
}
if (true != region.StartKey?.Any())
{
_startRow = region.StartKey;
return;
}
_startRow = GetReversedStartKey(region.StartKey);
}
}
public void TestCompareBogusName()
{
var action = new TestDelegate(() => { RegionInfo.Compare("bogus".ToUtf8Bytes(), "bogus".ToUtf8Bytes()); });
var exception = Assert.Catch(action);
const string expectedMsg = "No comma found in 'bogus' after offset 5";
var actualMsg = exception.Message;
Assert.AreEqual(expectedMsg, actualMsg);
}
public void TestCompare()
{
var testcases = new[]
{
new[]
{
// Different table names.
"table,,1234567890".ToUtf8Bytes(), ".META.,,1234567890".ToUtf8Bytes()
},
new[]
{
// Different table names but same prefix.
"tabl2,,1234567890".ToUtf8Bytes(), "tabl1,,1234567890".ToUtf8Bytes(),
},
new[]
{
// Different table names (different lengths).
"table,,1234567890".ToUtf8Bytes(), "tabl,,1234567890".ToUtf8Bytes(),
},
new[]
{
// Any key is greater than the start key.
"table,foo,1234567890".ToUtf8Bytes(), "table,,1234567890".ToUtf8Bytes(),
},
new[]
{
// Different keys.
"table,foo,1234567890".ToUtf8Bytes(), "table,bar,1234567890".ToUtf8Bytes(),
},
new[]
{
// Shorter key is smaller than longer key.
"table,fool,1234567890".ToUtf8Bytes(), "table,foo,1234567890".ToUtf8Bytes(),
},
new[]
{
// Properly handle keys that contain commas.
"table,a,,c,1234567890".ToUtf8Bytes(), "table,a,,b,1234567890".ToUtf8Bytes(),
},
new[]
{
// If keys are equal, then start code should break the tie.
"table,foo,1234567891".ToUtf8Bytes(), "table,foo,1234567890".ToUtf8Bytes(),
},
new[]
{
// Make sure that a start code being a prefix of another is handled.
"table,foo,1234567890".ToUtf8Bytes(), "table,foo,123456789".ToUtf8Bytes(),
},
new[]
{
// If both are start keys, then start code should break the tie.
"table,,1234567891".ToUtf8Bytes(), "table,,1234567890".ToUtf8Bytes(),
},
new[]
{
// The value `:' is always greater than any start code.
"table,foo,:".ToUtf8Bytes(), "table,foo,9999999999".ToUtf8Bytes(),
},
new[]
{
// Issue 27: searching for key "8,\001" and region key is "8".
"table,8,\u0001,:".ToUtf8Bytes(), "table,8,1339667458224".ToUtf8Bytes(),
}
};
foreach (var testcase in testcases)
{
var a = RegionInfo.Compare(testcase[0], testcase[1]);
var b = RegionInfo.Compare(testcase[1], testcase[0]);
Assert.Greater(a, 0, $"{testcase[0].ToUtf8String()} was found to be less than {testcase[1].ToUtf8String()} {a}");
Assert.Less(b, 0, $"{testcase[1].ToUtf8String()} was found to be less than {testcase[0].ToUtf8String()} {b}");
var meta = "hbase:meta,,1".ToUtf8Bytes();
var i = RegionInfo.Compare(meta, meta);
Assert.Zero(i, $"{meta.ToUtf8String()} was found to not be equal to itself({i})");
}
}
