feat(vqb): added substring step

[Sanix-Darker]

What

• VQB snowflake substring step
  • unittest
  • fixtures tests
    • pandas
    • snowflake
  • substring step
    • normal indexes
    • negatives indexes

Overview

[Sanix-Darker]

[Snowflake SQL VQB] - Extract substring (2)

[codecov]

Codecov Report

Merging #1058 (99a3bac) into master (3a4f6e7) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1058      +/-   ##
==========================================
+ Coverage   98.71%   98.72%   +0.01%     
==========================================
  Files         187      190       +3     
  Lines        5207     5272      +65     
  Branches      784      788       +4     
==========================================
+ Hits         5140     5205      +65     
  Misses         67       67              

Impacted Files	Coverage Δ
weaverbird/src/lib/dates.ts	100.00% <0.00%> (ø)
weaverbird/src/components/Step.vue	100.00% <0.00%> (ø)
weaverbird/src/components/Pipeline.vue	100.00% <0.00%> (ø)
weaverbird/src/components/DataTypesMenu.vue	100.00% <0.00%> (ø)
weaverbird/src/components/ActionToolbarSearch.vue	100.00% <0.00%> (ø)
...verbird/src/components/DeleteConfirmationModal.vue	100.00% <0.00%> (ø)
...erbird/src/components/stepforms/StepFormHeader.vue	100.00% <0.00%> (ø)
...ird/src/components/stepforms/widgets/InputDate.vue	100.00% <0.00%> (ø)
...ird/src/components/stepforms/widgets/InputText.vue	100.00% <0.00%> (ø)
...rd/src/components/stepforms/StatisticsStepForm.vue	100.00% <0.00%> (ø)
... and 18 more

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[raphaelvignes]

Encore une nouvelle step, Merci !
J'ai un doute sur la gestion des index < 0, j'attends ton retour pour valider.