Tvp precision fix

[xiangyushawn]

for issue #211

[codecov-io]

Codecov Report

Merging #217 into dev will increase coverage by 0.18%.
The diff coverage is 85.71%.

@@             Coverage Diff              @@
##                dev     #217      +/-   ##
============================================
+ Coverage     32.86%   33.05%   +0.18%     
- Complexity     1442     1448       +6     
============================================
  Files            97       97              
  Lines         23383    23389       +6     
  Branches       3889     3890       +1     
============================================
+ Hits           7685     7731      +46     
+ Misses        14156    14107      -49     
- Partials       1542     1551       +9

Flag	Coverage Δ	Complexity Δ
#JDBC41	32.95% <85.71%> (+0.18%)	1443 <0> (+5)	⬆️
#JDBC42	32.93% <85.71%> (+0.18%)	1440 <0> (+6)	⬆️

Impacted Files	Coverage Δ	Complexity Δ
.../microsoft/sqlserver/jdbc/SQLServerDataColumn.java	77.77% <100%> (+2.77%)	1 <0> (ø)	⬇️
...m/microsoft/sqlserver/jdbc/SQLServerDataTable.java	46.55% <83.33%> (+12.31%)	12 <0> (+3)	⬆️
src/main/java/microsoft/sql/DateTimeOffset.java	37.14% <0%> (-2.86%)	8% <0%> (-2%)
...m/microsoft/sqlserver/jdbc/SQLServerResultSet.java	23.92% <0%> (-0.41%)	171% <0%> (-4%)
.../microsoft/sqlserver/jdbc/SQLServerConnection.java	40.19% <0%> (+0.08%)	206% <0%> (+2%)	⬆️
...om/microsoft/sqlserver/jdbc/SQLServerBulkCopy.java	45.16% <0%> (+0.21%)	183% <0%> (+1%)	⬆️
...n/java/com/microsoft/sqlserver/jdbc/Parameter.java	29.61% <0%> (+0.64%)	36% <0%> (ø)	⬇️
...rc/main/java/com/microsoft/sqlserver/jdbc/DDC.java	25.66% <0%> (+0.66%)	42% <0%> (+3%)	⬆️
...in/java/com/microsoft/sqlserver/jdbc/IOBuffer.java	36.92% <0%> (+0.69%)	0% <0%> (ø)	⬇️
...c/main/java/com/microsoft/sqlserver/jdbc/Util.java	39.9% <0%> (+0.71%)	52% <0%> (+1%)	⬆️
... and 2 more

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[Suraiya-Hameed]

can you add some comments in the code explaining the changes before merging?

[xiangyushawn]

@v-suhame sure