Update fixtures according to tests

[Tigrov]

• Main PR Batch insert with empty columns db#795

Q	A
Is bugfix?	❌
New feature?	❌
Breaks BC?	❌
Fixed issues	-

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (c003f9c) 100.00% compared to head (5c998c6) 100.00%.

Additional details and impacted files

@@             Coverage Diff             @@
##              master      #328   +/-   ##
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  Coverage     100.00%   100.00%           
  Complexity       187       187           
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  Files             13        13           
  Lines            566       566           
===========================================
  Hits             566       566           

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[what-the-diff]

PR Summary

The primary changes in this PR involve the modification of our database schema as described below. These changes will allow our data to better accommodate future functionalities and make our database structure flexible for inevitable updates.

• New Columns Added to pgsql.sql
  Three new columns named float_col, char_col, and bool_col have been added. Respectively, these are capable of storing numerical data with decimal points, text data limited to 100 characters, and boolean values (true/false).

• Positions of Columns Revised
  The placement of some columns within pgsql.sql has been restructured. This is often done to improve the clarity and ease of access, ensuring our database remains sensible and manageable as it grows.

• Removal of Default Values
  The initial or "default" values for columns bool_col, char_col, and float_col have been eliminated. This alteration provides greater flexibility to our data input process as the fields won't be auto-populated.

• Modification of Default Values
  Initial values for certain existing columns namely char_col2, float_col2, bool_col2, ts_default, and bit_col have been updated. This can help to better align our data with the evolving requirements of our project.