Add insertEx additional test + bugfix for oracle

[darkdef]

Q	A
Is bugfix?	✔️
New feature?	❌
Breaks BC?	❌

[what-the-diff]

• Added a new table called "notauto_pk"
• The primary key is composed of two columns: id_1 and id_2
• There's also a column named type that cannot be null (NOT NULL)

[codecov]

Codecov Report

Base: 98.07% // Head: 98.07% // No change to project coverage 👍

Coverage data is based on head (ad48ec3) compared to base (ea9f686).
Patch has no changes to coverable lines.

❗ Current head ad48ec3 differs from pull request most recent head 3ca80c1. Consider uploading reports for the commit 3ca80c1 to get more accurate results

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #175   +/-   ##
=========================================
  Coverage     98.07%   98.07%           
  Complexity      324      324           
=========================================
  Files            17       17           
  Lines           986      986           
=========================================
  Hits            967      967           
  Misses           19       19           

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