RELEASE NOTES FIX BUGS: [td-225] fix bugs found by tsim [td-255] compact result for all show command. [TD-1676] fix jenkins valgrind test case [td-1728] fix memory leaks [td-1747] reduce tableMeta size [TD-1750] add python2 connectionerror [td-1764] fix memory leak. NEW FEATURES: [TD-1476] a demo for calcite [TD-1507] add a nodejs checker for nodejs examples TEST: [TD-1497] python connector check [TD-1584] add some testcases for testing before 1970s [TD-1636] remove last 2 bytes of file 'wal0' [TD-1677] add query test case [TD-1743] add test case for remove db and STable [TD-1744] PythonChecker [TD-1745] check C# connector [td-1752] add test cases. [TD-1758] add test case