* [TD-3841]<fix>: getFloat methed get 0 when data value is null

* change jdbc driver version number

* change

* [TD-3841]<test>: test Mybatis query null value

* change

* [TD-3880]<fix>: C# driver test miss unsigned type.

* [TD-3880]<fix>: C# driver test miss unsigned type.

also modify other files as what  TD-3204 did.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

for develop branch.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

* [TD-3877]<fix>: C# query result determination mechanism changed.

* [TD-3877]<fix>: C# query result determination mechanism changed.

change taosdemo and C#checker.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

Added unsigned integer types and change taosdemo insert and select queries for these types.

taos define | taos sql | c#
--- | --- | ---
UTINYINT | TINYINT UNSIGNED | `byte`
USMALLINT | SMALLINT UNSIGNED | `ushort`
UINT | INT UNSIGNED | `uint`
UBIGINT | BIGINT UNSIGNED | `ulong`
TINYINT | TINYINT | `sbyte`

Note: also change the tinyint value type to C# `sbyte`(the right signed one byte type) in this pr.

* [TD-3401]<fix>: taosdemo query statistic.

refactor func name.

* [TD-3401]<fix>: taosdemo query statistic.

refactor func name 2.

* [TD-3401]<fix>: taosdemo support query statistic.

implementation.

* cleanup
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

* [TD-3683]<fix>: reduce buffer size for more stable table creation.

* [TD-3683]<fix>: taosdemo create lots of tables.

clean up.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>

* Set value for std with c99 to avoid compile error on CentOS7.

* Get parameter from stack by same sequence.

* Add performance test.

* Update taosdemo.go

去掉多用的括号和分号
格式化代码

* Update taosdemo.go

地址改回127.0.0.1

71和76行测试示例的数据库和表名没有动态拼接，测试用在前面改数据库名和表名，会导致运行报错

* [TD-3410]feature: adapted to nutz

* change

* change

* change

* change

* [TD-3447]<feature>: JDBC-RESTful and JDBC-JNI support setObject

* change

* change

* change

* change

* change

* change

* change

* change

* change

* change

* change

* change

* [TD-3548]<feature>: support ParameterMetaData in JDBC-RESTful and JDBC-JNI

* change

* change

* [TD-3446]<feature>: JDBC-JNI and JDBC-RESTful do not need invoke Class.forName any more

* change jdbc version

* change

* change

* change

* [TD-3316] <fix>: add testcase for taosdemo limit and offset.

check offset 0.

* [TD-3316] <fix>: add testcase for taosdemo limit and offset.

fix sample file import bug.

* [TD-3316] <fix>: add test case for limit and offset. fix sample data issue.

* [TD-3327] <fix>: fix taosdemo segfault when import data from sample data file.

* [TD-3317] <feature>: make taosdemo support interlace mode.

json parameter rows_per_tbl support.

* [TD-3317] <feature>: support interlace mode.

refactor

* [TD-3317] <feature>: support interlace mode.

refactor

* [TD-3317] <feature>: support interlace mode insertion.

refactor.

* [TD-3317] <feature>: support interlace mode insertion.

change json file.

* [TD-3317] <feature>: support interlace mode insertion.

fix multithread create table regression.

* [TD-3317] <feature>: support interlace mode insertion.

working but not perfect.

* [TD-3317] <feature>: support interlace mode insertion.

rename lowaTest with taosdemoTestWithJson

* [TD-3317] <feature>: support interlace mode insertion.

perfect

* [TD-3317] <feature>: support interlace mode insertion.

cleanup.

* [TD-3317] <feature>: support interlace mode insertion.

adjust algorithm of loop times.

* [TD-3317] <feature>: support interlace mode insertion.

fix delay time bug.

* [TD-3317] <feature>: support interlace mode insertion.

fix progressive timestamp bug.

* [TD-3317] <feature>: support interlace mode insertion.

add an option for performance print.

* [TD-3317] <feature>: support interlace mode insertion.

change json test case with less table for acceleration.

* [TD-3317] <feature>: support interlace mode insertion.

change progressive mode timestamp step and testcase.

* [TD-3197] <fix>: fix taosdemo coverity scan issues.

* [TD-3197] <fix>: fix taosdemo coverity scan issue.

fix subscribeTest pids uninitialized.

* [TD-3317] <feature>: support interlace mode insertion.

add time shift for no sleep time.

* [TD-3317] <feature>: support interlace insert.

rework timestamp.

* [TD-3317] <feature>: support interlace mode insertion.

change rows_per_tbl to interlace_rows.
Co-authored-by: NShuduo Sang <sdsang@taosdata.com>