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docs(sql): the 65,536 subquery bound is fixed, and how it fails - #452
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The bound on an uncorrelated subquery's values is a fixed 65,536: raising index.max_terms_count does not lift it. Past it, a default cluster fails with Elasticsearch's own too-many-buckets error (measured on 8.18.3 with 0.24.0), loudly and never truncated. The advice is to narrow the inner query or rewrite the statement as a JOIN. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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October 27, 2026 18:19
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What
The docs describe the bound on an uncorrelated
WHEREsubquery as measured on the released 0.24.0 engine against Elasticsearch 8.18.3:index.max_terms_count, but raising that setting does not lift it. The reference used to advise raising the setting.Documentation only.
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