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documentdb/pg_documentdb_core
Jayanta Mondal a30949c8ee Merged PR 1711531: [oss] Code cleanup and documentation updates
### Does this PR have any customer impact?

### Type (Feature, Refactoring, Bugfix, DevOps, Testing, Perf, etc)

### Does it involve schema level changes? (Table, Column, Index, UDF, etc level changes)

### Are you introducing any new config? If yes, do you have tests with and without them being set?

### ChangeLog (Refer [Template](../oss/CHANGELOG.md))

### Description

Code cleanup and documentation updates to match contribution guidelines

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#### AI description  (iteration 1)
#### PR Classification
This pull request is a code cleanup and documentation update.

#### PR Summary
The updates refine inline comments and documentation across update, error handling, and collation components to improve clarity and consistency, while replacing obsolete Mongo references with DocumentDB terminology. Key changes include:
- **`oss/pg_documentdb/src/update/bson_update_operators.c`**: Revised comments for update operators (e.g., `$currentDate`, `$push`, `$mul`) to clarify behavior and update examples.
- **`oss/pg_documentdb/src/utils/error_utils.c`**: Updated documentation to reference DocumentDB errors instead of Mongo errors.
- **`oss/pg_documentdb/src/update/bson_update.c` and `oss/pg_documentdb/src/update/bson_update_aggregation.c`**: Improved inline comment wording to accurately describe update specifications and error conditions.
- **`oss/pg_documentdb_core/src/collation/collation.c`**: Cleaned up collation conversion comments and locale handling explanations.
- **Test files under `oss/internal/pg_documentdb_distributed/src/test` and `pgmongo/src/test/docdb_compat/expected`**: Updated expected output comments to align with the revised error message tests.
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2025-07-09 18:56:11 +08:00
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