Use database name as part of the key for handle cache

[xiangyushawn]

No description provided.

[codecov-io]

Codecov Report

Merging #561 into dev will increase coverage by 0.02%.
The diff coverage is 87.5%.

@@             Coverage Diff              @@
##                dev     #561      +/-   ##
============================================
+ Coverage     46.45%   46.48%   +0.02%     
- Complexity     2211     2214       +3     
============================================
  Files           108      108              
  Lines         25321    25332      +11     
  Branches       4175     4176       +1     
============================================
+ Hits          11764    11776      +12     
+ Misses        11538    11534       -4     
- Partials       2019     2022       +3

Flag	Coverage Δ	Complexity Δ
#JDBC41	46.33% <87.5%> (+0.13%)	2205 <1> (+5)	⬆️
#JDBC42	46.41% <87.5%> (+0.04%)	2210 <1> (+4)	⬆️

Impacted Files	Coverage Δ	Complexity Δ
...soft/sqlserver/jdbc/SQLServerDatabaseMetaData.java	35.73% <100%> (+0.14%)	55 <0> (ø)	⬇️
.../microsoft/sqlserver/jdbc/SQLServerConnection.java	45.77% <100%> (+0.02%)	278 <1> (+1)	⬆️
...oft/sqlserver/jdbc/SQLServerPreparedStatement.java	51.4% <83.33%> (+0.15%)	159 <0> (ø)	⬇️
...om/microsoft/sqlserver/jdbc/ReaderInputStream.java	41.57% <0%> (-3.38%)	14% <0%> (-2%)
...rc/main/java/com/microsoft/sqlserver/jdbc/DDC.java	43.34% <0%> (-0.91%)	104% <0%> (+1%)
...om/microsoft/sqlserver/jdbc/SQLServerBulkCopy.java	52.51% <0%> (-0.26%)	240% <0%> (ø)
...ncurrentlinkedhashmap/ConcurrentLinkedHashMap.java	39.39% <0%> (-0.22%)	44% <0%> (-1%)
...m/microsoft/sqlserver/jdbc/SQLServerResultSet.java	32.86% <0%> (+0.08%)	241% <0%> (+1%)	⬆️
...in/java/com/microsoft/sqlserver/jdbc/IOBuffer.java	53.43% <0%> (+0.09%)	0% <0%> (ø)	⬇️
... and 4 more

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