Set fmtonly on to support complex query

[xiangyushawn]

new PR equivalent to #350 which fixes #343

the original way of using Set fmtonly on does not work with complex query or multiple tables. This PR uses a workaround by using LEFT JOIN query.

What the PR does is, converting the original query to a LEFT JOIN query and retrieve parameter metadata.

[codecov-io]

Codecov Report

Merging #373 into dev will decrease coverage by 0.12%.
The diff coverage is 4.34%.

@@             Coverage Diff              @@
##                dev     #373      +/-   ##
============================================
- Coverage     40.16%   40.03%   -0.13%     
+ Complexity     1892     1887       -5     
============================================
  Files           107      107              
  Lines         24482    24518      +36     
  Branches       4038     4045       +7     
============================================
- Hits           9833     9817      -16     
- Misses        12815    12862      +47     
- Partials       1834     1839       +5

Flag	Coverage Δ	Complexity Δ
#JDBC41	39.97% <4.34%> (-0.08%)	1881 <0> (-2)
#JDBC42	39.86% <4.34%> (-0.15%)	1876 <0> (-9)

Impacted Files	Coverage Δ	Complexity Δ
...oft/sqlserver/jdbc/SQLServerParameterMetaData.java	23.97% <4.34%> (-1.56%)	30 <0> (ø)
...om/microsoft/sqlserver/jdbc/ReaderInputStream.java	44.94% <0%> (-3.38%)	16% <0%> (-1%)
src/main/java/microsoft/sql/DateTimeOffset.java	37.14% <0%> (-2.86%)	8% <0%> (-2%)
...om/microsoft/sqlserver/jdbc/SimpleInputStream.java	47.4% <0%> (-1.49%)	9% <0%> (-1%)
...rc/main/java/com/microsoft/sqlserver/jdbc/DDC.java	29.66% <0%> (-0.45%)	57% <0%> (-1%)
...om/microsoft/sqlserver/jdbc/SQLServerBulkCopy.java	49.21% <0%> (-0.29%)	211% <0%> (+1%)
...ncurrentlinkedhashmap/ConcurrentLinkedHashMap.java	42.2% <0%> (-0.22%)	46% <0%> (ø)
...m/microsoft/sqlserver/jdbc/SQLServerResultSet.java	27.23% <0%> (-0.17%)	187% <0%> (-1%)

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