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Vinod Sridharan
739bdfb1aa
### Does this PR have any customer impact? Yes ### Type (Feature, Refactoring, Bugfix, DevOps, Testing, Perf, etc) Features ### Does it involve schema level changes? (Table, Column, Index, UDF, etc level changes) Yes ### Are you introducing any new config? If yes, do you have tests with and without them being set? Yes ### ChangeLog (Refer [Template](../oss/CHANGELOG.md)) ### Description 1) Port a few more changes into the public documentdb_rum to reduce diff to internal RUM 2) Add more inlining of computation of RumItem from the pages (behind a GUC defaulted on) 3) Add option for bson_build_document and fix bson_get_value_text to not quote strings unnecessarily to be compatible with `::text` casts ---- #### AI description (iteration 1) #### PR Classification This PR implements API updates and performance improvements by introducing a new item pointer decoding mechanism in RUM indexes and extending BSON UDF functionalities. #### PR Summary The pull request refactors core RUM index scan routines and enhances BSON API functions to improve performance and API consistency. Key changes include: - **`oss/internal/pg_documentdb_extended_rum` and `pgmongo_rum`**: Introduced new macros and inline functions (e.g., `decode_varbyte_blocknumber`, `rumDataPageLeafReadWithBlockNumberIncr`) along with the boolean flag `RumUseNewItemPtrDecoding` to optimize item pointer decoding. - **`rumget.c`, `rumentrypage.c`, and `rumdatapage.c`**: Updated the posting tree scan logic to conditionally apply the new decoding approach, streamlining data page processing. - **`pg_documentdb_core/sql/udfs/bson_io`**: Added new BSON UDFs (such as `bson_build_document`) and overloads (e.g., a three-argument version of `bson_get_value_text`) to expand API capabilities. - **`pgbson.c` and `bson_io.c`**: Enhanced BSON logging functions with optional quoting support for JSON conversion, improving logging clarity and consistency. <!-- GitOpsUserAgent=GitOps.Apps.Server.pullrequestcopilot -->