enable cloud fetch by default #260
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shivam2680 requested review from andrefurlan-db, jackyhu-db, jadewang-db, rcypher-databricks and yunbodeng-db as code owners 
jackyhu-db approved these changes Apr 4, 2025
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atzoum pushed a commit to rudderlabs/sqlconnect-go that referenced this pull request Sep 2, 2025
….6.1 to 1.8.0 (#351) Bumps [github.com/databricks/databricks-sql-go](https://github.com/databricks/databricks-sql-go) from 1.6.1 to 1.8.0. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/databricks/databricks-sql-go/releases">github.com/databricks/databricks-sql-go's releases</a>.</em></p> <blockquote> <h2>v1.8.0</h2> <h2>What's Changed</h2> <ul> <li>Ensure thrift field IDs stay within range by <a href="https://github.com/vikrantpuppala"><code>@vikrantpuppala</code></a> in <a href="https://redirect.github.com/databricks/databricks-sql-go/pull/276">databricks/databricks-sql-go#276</a></li> <li>Add Arrow IPC stream iterator for direct access to Arrow buffer by <a href="https://github.com/jadewang-db"><code>@jadewang-db</code></a> in <a href="https://redirect.github.com/databricks/databricks-sql-go/pull/279">databricks/databricks-sql-go#279</a></li> <li>Prepare for v1.8.0 release by <a href="https://github.com/jadewang-db"><code>@jadewang-db</code></a> in <a href="https://redirect.github.com/databricks/databricks-sql-go/pull/280">databricks/databricks-sql-go#280</a></li> </ul> <h2>New Contributors</h2> <ul> <li><a href="https://github.com/jadewang-db"><code>@jadewang-db</code></a> made their first contribution in <a href="https://redirect.github.com/databricks/databricks-sql-go/pull/279">databricks/databricks-sql-go#279</a></li> </ul> <p><strong>Full Changelog</strong>: <a href="https://github.com/databricks/databricks-sql-go/compare/v1.7.1...v1.8.0">https://github.com/databricks/databricks-sql-go/compare/v1.7.1...v1.8.0</a></p> <h2>v1.7.1</h2> <h2>What's Changed</h2> <ul> <li>Fix critical CVE-2024-45337 by <a href="https://github.com/vikrantpuppala"><code>@vikrantpuppala</code></a> in <a href="https://redirect.github.com/databricks/databricks-sql-go/pull/264">databricks/databricks-sql-go#264</a></li> <li>Add nil handling for isStagingOperation to handle older DBR versions by <a href="https://github.com/vikrantpuppala"><code>@vikrantpuppala</code></a> in <a href="https://redirect.github.com/databricks/databricks-sql-go/pull/266">databricks/databricks-sql-go#266</a></li> <li>[PECOBLR-402] Update thrift client library after cleaning up unused fields and structs by <a href="https://github.com/gopalldb"><code>@gopalldb</code></a> in <a href="https://redirect.github.com/databricks/databricks-sql-go/pull/268">databricks/databricks-sql-go#268</a></li> <li>Add schema to ArrowBatchIterator by <a href="https://github.com/vikrantpuppala"><code>@vikrantpuppala</code></a> in <a href="https://redirect.github.com/databricks/databricks-sql-go/pull/267">databricks/databricks-sql-go#267</a></li> </ul> <h2>New Contributors</h2> <ul> <li><a href="https://github.com/gopalldb"><code>@gopalldb</code></a> made their first contribution in <a href="https://redirect.github.com/databricks/databricks-sql-go/pull/268">databricks/databricks-sql-go#268</a></li> </ul> <p><strong>Full Changelog</strong>: <a href="https://github.com/databricks/databricks-sql-go/compare/v1.7.0...v1.7.1">https://github.com/databricks/databricks-sql-go/compare/v1.7.0...v1.7.1</a></p> <h2>v1.7.0</h2> <h2>What's Changed</h2> <ul> <li>Enable cloud fetch mode by default (<a href="https://redirect.github.com/databricks/databricks-sql-go/pull/260">databricks/databricks-sql-go#260</a> by <a href="https://github.com/shivam2680"><code>@shivam2680</code></a>)</li> <li>Handle thrift protocol version for conditional feature support (cloud fetch, LZ4 compression, Arrow support) (<a href="https://redirect.github.com/databricks/databricks-sql-go/pull/261">databricks/databricks-sql-go#261</a> by <a href="https://github.com/shivam2680"><code>@shivam2680</code></a>)</li> </ul> <h2>New Contributors</h2> <ul> <li><a href="https://github.com/shivam2680"><code>@shivam2680</code></a> made their first contribution in <a href="https://redirect.github.com/databricks/databricks-sql-go/pull/260">databricks/databricks-sql-go#260</a></li> </ul> <p><strong>Full Changelog</strong>: <a href="https://github.com/databricks/databricks-sql-go/compare/v1.6.2...v1.7.0">https://github.com/databricks/databricks-sql-go/compare/v1.6.2...v1.7.0</a></p> <h2>v1.6.2</h2> <h2>What's Changed</h2> <ul> <li>Support positional query parameters by <a href="https://github.com/kravets-levko"><code>@kravets-levko</code></a> in <a href="https://redirect.github.com/databricks/databricks-sql-go/pull/247">databricks/databricks-sql-go#247</a></li> <li>fix: Add custom auth headers into cloud fetch request by <a href="https://github.com/jackyhu-db"><code>@jackyhu-db</code></a> in <a href="https://redirect.github.com/databricks/databricks-sql-go/pull/249">databricks/databricks-sql-go#249</a></li> <li>fix: Propagate error in TFetchResults by <a href="https://github.com/vikrantpuppala"><code>@vikrantpuppala</code></a> in <a href="https://redirect.github.com/databricks/databricks-sql-go/pull/255">databricks/databricks-sql-go#255</a></li> <li>fix(security): GO-2024-2947, update to github.com/hashicorp/go-retryablehttp@v0.7.7 (<a href="https://redirect.github.com/databricks/databricks-sql-go/issues/251">#251</a>) by <a href="https://github.com/prochac"><code>@prochac</code></a> in <a href="https://redirect.github.com/databricks/databricks-sql-go/pull/252">databricks/databricks-sql-go#252</a></li> <li>fix(security): update dependencies to fix CVE by <a href="https://github.com/vikrantpuppala"><code>@vikrantpuppala</code></a> in <a href="https://redirect.github.com/databricks/databricks-sql-go/pull/258">databricks/databricks-sql-go#258</a></li> </ul> <h2>New Contributors</h2> <ul> <li><a href="https://github.com/prochac"><code>@prochac</code></a> made their first contribution in <a href="https://redirect.github.com/databricks/databricks-sql-go/pull/252">databricks/databricks-sql-go#252</a></li> <li><a href="https://github.com/vikrantpuppala"><code>@vikrantpuppala</code></a> made their first contribution in <a href="https://redirect.github.com/databricks/databricks-sql-go/pull/258">databricks/databricks-sql-go#258</a></li> </ul> <p><strong>Full Changelog</strong>: <a href="https://github.com/databricks/databricks-sql-go/compare/v1.6.1...v1.6.2">https://github.com/databricks/databricks-sql-go/compare/v1.6.1...v1.6.2</a></p> </blockquote> </details> <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/databricks/databricks-sql-go/blob/main/CHANGELOG.md">github.com/databricks/databricks-sql-go's changelog</a>.</em></p> <blockquote> <h2>v1.8.0 (2025-07-24)</h2> <ul> <li>Add Arrow IPC Iterator</li> </ul> <h2>v1.7.1 (2025-05-20)</h2> <ul> <li><code>databricks/databricks-sql-go#267</code></li> <li><code>databricks/databricks-sql-go#268</code></li> <li><code>databricks/databricks-sql-go#266</code></li> <li><code>databricks/databricks-sql-go#264</code></li> </ul> <h2>v1.7.0 (2025-04-09)</h2> <ul> <li><code>databricks/databricks-sql-go#260</code></li> <li><code>databricks/databricks-sql-go#261</code></li> </ul> <h2>v1.6.2 (2025-03-18)</h2> <ul> <li><code>databricks/databricks-sql-go#247</code></li> <li><code>databricks/databricks-sql-go#249</code></li> <li><code>databricks/databricks-sql-go#251</code></li> <li><code>databricks/databricks-sql-go#258</code></li> <li><code>databricks/databricks-sql-go#255</code></li> </ul> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/databricks/databricks-sql-go/commit/529d69c5ce36b0eeaad9ec573cfd77a7342cc5ff"><code>529d69c</code></a> Prepare for v1.8.0 release (<a href="https://redirect.github.com/databricks/databricks-sql-go/issues/280">#280</a>)</li> <li><a href="https://github.com/databricks/databricks-sql-go/commit/7bde0dc3d1a27a22354d50129a59e477af17add2"><code>7bde0dc</code></a> Add Arrow IPC stream iterator for direct access to Arrow buffer (<a href="https://redirect.github.com/databricks/databricks-sql-go/issues/279">#279</a>)</li> <li><a href="https://github.com/databricks/databricks-sql-go/commit/746c05de3ec5c8f06603879998a5fb703a35d473"><code>746c05d</code></a> Ensure thrift field IDs stay within range (<a href="https://redirect.github.com/databricks/databricks-sql-go/issues/276">#276</a>)</li> <li><a href="https://github.com/databricks/databricks-sql-go/commit/039c53ab5e21dbbfae5d29aa4595d36ea7a3465e"><code>039c53a</code></a> Add test to ensure thrift field IDs stay within range</li> <li><a href="https://github.com/databricks/databricks-sql-go/commit/12d2ceda465a8296b2d2080550c91581c71b3605"><code>12d2ced</code></a> Prepare for v1.7.1 (<a href="https://redirect.github.com/databricks/databricks-sql-go/issues/271">#271</a>)</li> <li><a href="https://github.com/databricks/databricks-sql-go/commit/01cd3d122125a0ec02aa035e62823fc6ef408911"><code>01cd3d1</code></a> Update CODEOWNERS (<a href="https://redirect.github.com/databricks/databricks-sql-go/issues/272">#272</a>)</li> <li><a href="https://github.com/databricks/databricks-sql-go/commit/2361714c73a38a23aed7334bf8240238803b608d"><code>2361714</code></a> Update CODEOWNERS</li> <li><a href="https://github.com/databricks/databricks-sql-go/commit/149e1ad615c847e33895c5d7299e6031cd593ad6"><code>149e1ad</code></a> Prepare for v1.7.1</li> <li><a href="https://github.com/databricks/databricks-sql-go/commit/c29199287a059c1056d1179402088acdd30706e1"><code>c291992</code></a> Add schema to ArrowBatchIterator (<a href="https://redirect.github.com/databricks/databricks-sql-go/issues/267">#267</a>)</li> <li><a href="https://github.com/databricks/databricks-sql-go/commit/7263c534751313073578e0adc3f0e34e15f75bad"><code>7263c53</code></a> [PECOBLR-402] Update thrift client library after cleaning up unused fields an...</li> <li>Additional commits viewable in <a href="https://github.com/databricks/databricks-sql-go/compare/v1.6.1...v1.8.0">compare view</a></li> </ul> </details> <br /> [](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) You can trigger a rebase of this PR by commenting `@dependabot rebase`. 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Description
Enable cloud fetch (EXTERNAL_LINKS) by default.
Testing
Benchmark tests
Benchmarking results
Following table demonstrates the improvement in execution times for large queries.
We get ~57% deduction in large queries execution time.
For result size > 4.1GB, we cannot even fetch without cloud fetch with default spark configs.
Ref error:
ERR Total size of serialized results of 32 tasks (4.1 GiB) is bigger than spark.driver.maxResultSize 4.0 GiB.