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Bulk fetch all columns from all tables in Oracle connector #25231

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Description

Extending this #22241 framework for Oracle connector.

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# Oracle
* Improve performance of listing table columns. ({issue}`issuenumber`)

@cla-bot cla-bot bot added the cla-signed label Mar 6, 2025
@github-actions github-actions bot added the oracle Oracle connector label Mar 6, 2025
@hashhar
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hashhar commented Mar 6, 2025

This isn't sufficient. There's a config for this. See mysqlclientmodule for comparision. enableBulkListing.

This is from my memory (I'm AFK, will check again).

@Praveen2112 Praveen2112 force-pushed the praveen/bulk_load_columns_oracle branch from c3d43bd to 56b0897 Compare March 6, 2025 12:26
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are there some manual benchmarks with and without this config?

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hashhar commented Mar 6, 2025

Also can we make it so that people don't require code review to know that the added code is "dead" unless the config is enabled?

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