Mongo to BigQuery - set schema manually in case js udf is filtering data

[stankiewicz]

MongoDB to JDBC has an issue with schema detection when UDF is used for filtering - #1328 .

Good workaround is providing schema directly, similarly to JDBC, Oracle to BigQuery.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 40.33%. Comparing base (f14c62c) to head (795c58c). Report is 90 commits behind head on main.

:exclamation: Current head 795c58c differs from pull request most recent head 81c4dcc

Please upload reports for the commit 81c4dcc to get more accurate results.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1484      +/-   ##
============================================
- Coverage     41.29%   40.33%   -0.96%     
+ Complexity     2929     2730     -199     
============================================
  Files           769      727      -42     
  Lines         44602    41531    -3071     
  Branches       4770     4466     -304     
============================================
- Hits          18418    16752    -1666     
+ Misses        24636    23319    -1317     
+ Partials       1548     1460      -88     

Components	Coverage Δ
spanner-templates	55.72% <ø> (-5.69%)	:arrow_down:
spanner-import-export	65.61% <ø> (+1.16%)	:arrow_up:
spanner-live-forward-migration	61.19% <ø> (-12.68%)	:arrow_down:
spanner-live-reverse-replication	42.50% <ø> (-7.21%)	:arrow_down:
spanner-bulk-migration	69.42% <ø> (-12.64%)	:arrow_down:

see 256 files with indirect coverage changes

[Abacn]

Would you mind rebase your PR onto the latest main branch? The internal import has conflicts