[GOBBLIN-1367] Fix PostgresqlExtractor's unnecessary string replacement

[sekikn]

Dear Gobblin maintainers,

Please accept this PR. I understand that it will not be reviewed until I have checked off all the steps below!

JIRA

• [x] My PR addresses the following Gobblin JIRA issues and references them in the PR title. For example, "[GOBBLIN-XXX] My Gobblin PR"
  • https://issues.apache.org/jira/browse/GOBBLIN-1367

Description

• [x] Here are some details about my PR, including screenshots (if applicable):

PostgresqlExtractor fails if the name of schema or table contains the one of its column as substring. This PR fixes it.

Tests

• [x] My PR adds the following unit tests OR does not need testing for this extremely good reason:

• o.a.g.source.jdbc.PostgresqlExtractorTest.testGetHighWatermarkMetadata
• o.a.g.source.jdbc.PostgresqlExtractorTest.testGetCountMetadata

Commits

• [x] My commits all reference JIRA issues in their subject lines, and I have squashed multiple commits if they address the same issue. In addition, my commits follow the guidelines from "How to write a good git commit message":
  1. Subject is separated from body by a blank line
  2. Subject is limited to 50 characters
  3. Subject does not end with a period
  4. Subject uses the imperative mood ("add", not "adding")
  5. Body wraps at 72 characters
  6. Body explains "what" and "why", not "how"

[codecov-io]

Codecov Report

Merging #3209 (07d9511) into master (2fa3553) will decrease coverage by 0.00%. The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master    #3209      +/-   ##
============================================
- Coverage     46.23%   46.23%   -0.01%     
- Complexity     9788     9797       +9     
============================================
  Files          2019     2019              
  Lines         77439    77504      +65     
  Branches       8602     8606       +4     
============================================
+ Hits          35807    35837      +30     
- Misses        38300    38334      +34     
- Partials       3332     3333       +1     

Impacted Files	Coverage Δ	Complexity Δ
...pache/gobblin/source/jdbc/PostgresqlExtractor.java	50.00% <100.00%> (+20.17%)	14.00 <0.00> (+2.00)
...obblin/yarn/YarnAppSecurityManagerWithKeytabs.java	8.33% <0.00%> (-13.55%)	1.00% <0.00%> (-1.00%)
...he/gobblin/source/PartitionAwareFileRetriever.java	48.14% <0.00%> (-7.41%)	0.00% <0.00%> (ø%)
...in/java/org/apache/gobblin/cluster/HelixUtils.java	32.23% <0.00%> (-5.79%)	12.00% <0.00%> (-2.00%)
...a/org/apache/gobblin/cluster/GobblinHelixTask.java	58.06% <0.00%> (-2.16%)	6.00% <0.00%> (ø%)
...n/java/org/apache/gobblin/yarn/YarnHelixUtils.java	32.69% <0.00%> (-2.01%)	8.00% <0.00%> (ø%)
...rg/apache/gobblin/yarn/GobblinYarnAppLauncher.java	24.10% <0.00%> (-0.06%)	12.00% <0.00%> (ø%)
...ava/org/apache/gobblin/util/hadoop/TokenUtils.java	0.00% <0.00%> (ø)	0.00% <0.00%> (ø%)
...e/gobblin/yarn/AbstractYarnAppSecurityManager.java	49.47% <0.00%> (+1.19%)	7.00% <0.00%> (+1.00%)
...a/management/copy/publisher/CopyDataPublisher.java	75.33% <0.00%> (+1.33%)	32.00% <0.00%> (+1.00%)
... and 6 more

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