Reorganize development documentation

[dai-chen]

Signed-off-by: Chen Dai [email protected]

Description

TODO

Issues Resolved

N/A

Check List

• New functionality includes testing.
  • All tests pass, including unit test, integration test and doctest
• New functionality has been documented.
  • New functionality has javadoc added
  • New functionality has user manual doc added
• Commits are signed per the DCO using --signoff

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For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[codecov-commenter]

Codecov Report

Merging #1092 (a97dbd3) into 2.x (81c9285) will decrease coverage by 2.52%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                2.x    #1092      +/-   ##
============================================
- Coverage     98.27%   95.75%   -2.53%     
- Complexity     3434     3450      +16     
============================================
  Files           343      355      +12     
  Lines          8540     9238     +698     
  Branches        544      666     +122     
============================================
+ Hits           8393     8846     +453     
- Misses          142      334     +192     
- Partials          5       58      +53     

Flag	Coverage Δ
query-workbench	62.76% <ø> (?)
sql-engine	98.28% <ø> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...ain/java/org/opensearch/sql/analysis/Analyzer.java	100.00% <0.00%> (ø)
...java/org/opensearch/sql/ppl/parser/AstBuilder.java	100.00% <0.00%> (ø)
...expression/function/BuiltinFunctionRepository.java	100.00% <0.00%> (ø)
...l/prometheus/storage/PrometheusStorageFactory.java	100.00% <0.00%> (ø)
...l/planner/physical/catalog/CatalogTableSchema.java
...sql/planner/physical/catalog/CatalogTableScan.java
.../analysis/CatalogSchemaIdentifierNameResolver.java
...rch/sql/planner/physical/catalog/CatalogTable.java
...alysis/DataSourceSchemaIdentifierNameResolver.java	100.00% <0.00%> (ø)
...anner/physical/datasource/DataSourceTableScan.java	100.00% <0.00%> (ø)
... and 14 more

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[MaxKsyunz]

@dai-chen where did the content in expression-pushdown.md originate?
It looks like it was written before V2 engine was added.

[dai-chen]

@dai-chen where did the content in expression-pushdown.md originate? It looks like it was written before V2 engine was added.

Hi @MaxKsyunz It is part of the V2 engine from internal design documentation. I'm trying to make this kind of doc public in this PR as well.

[MaxKsyunz]

@dai-chen where did the content in expression-pushdown.md originate? It looks like it was written before V2 engine was added.

Hi @MaxKsyunz It is part of the V2 engine from internal design documentation. I'm trying to make this kind of doc public in this PR as well.

Much appreciated @dai-chen. Thank you!

[dai-chen]

Default branch was changed. Will raise new PR after rebase.