45 explode json array operation

[fatchat]

copilot:all

[codecov-commenter]

Codecov Report

Attention: 65 lines in your changes are missing coverage. Please review.

Comparison is base (d590848) 80.20% compared to head (12c543d) 73.87%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #46      +/-   ##
==========================================
- Coverage   80.20%   73.87%   -6.33%     
==========================================
  Files          19       20       +1     
  Lines         697      758      +61     
==========================================
+ Hits          559      560       +1     
- Misses        138      198      +60     

Files	Coverage Δ
dbt_automation/utils/postgres.py	68.91% <55.55%> (-1.51%)	⬇️
dbt_automation/utils/bigquery.py	56.12% <54.54%> (-1.17%)	⬇️
dbt_automation/operations/explodejsonarray.py	0.00% <0.00%> (ø)

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[fatchat]

cannot have two jsonb_array_elements in a single query, instead if we need to extract multiple columns from each exploded json object we need to LATERAL join the table against the jsonb_array_elements' output

e.g.

SELECT  _id,   
    kpi_element->>'_id' as kpi_id,   
    kpi_element->>'name' as kpi_name 
FROM  "MongoDB"."projects",  LATERAL jsonb_array_elements(_kpi::jsonb) AS kpi_element