WIP: Partitioned index filter test

[cristipp]

Check List

• Tests has been run in packages where changes made if available
• Linter has been run for changed code
• Tests for the changes have been added if not covered yet
• Docs have been added / updated if required

Issue Reference this PR resolves

#3777

Description of Changes Made (if issue reference is not provided)

Adds a test for left join + where for 2 tables backed by a partitioned index.

[codecov]

Codecov Report

Merging #4544 (7605e42) into master (e59d2fb) will decrease coverage by 12.04%.
The diff coverage is n/a.

❗ Current head 7605e42 differs from pull request most recent head 99ef648. Consider uploading reports for the commit 99ef648 to get more accurate results

@@             Coverage Diff             @@
##           master    #4544       +/-   ##
===========================================
- Coverage   71.29%   59.24%   -12.05%     
===========================================
  Files         247      136      -111     
  Lines       25270    11109    -14161     
  Branches     2741     2741               
===========================================
- Hits        18016     6582    -11434     
+ Misses       6750     4023     -2727     
  Partials      504      504               

Flag	Coverage Δ
cube-backend	59.24% <ø> (ø)
cubesql	?

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Impacted Files	Coverage Δ
...ngine/information_schema/postgres/pg_constraint.rs
...besql/cubesql/src/compile/rewrite/rules/filters.rs
...gine/information_schema/postgres/character_sets.rs
rust/cubesql/cubesql/src/sql/server_manager.rs
...engine/information_schema/postgres/pg_namespace.rs
rust/cubesql/cubesql/e2e/tests/postgres.rs
...ile/engine/information_schema/postgres/pg_range.rs
...esql/cubeclient/src/models/v1_cube_meta_segment.rs
.../compile/engine/information_schema/mysql/tables.rs
rust/cubesql/cubesql/src/transport/ext.rs
... and 101 more

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