feat(sql): SQL hints for linear and indexed ASOF join algos#6197
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bluestreak01 merged 14 commits intomasterfrom Oct 1, 2025
Merged
feat(sql): SQL hints for linear and indexed ASOF join algos#6197bluestreak01 merged 14 commits intomasterfrom
bluestreak01 merged 14 commits intomasterfrom
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puzpuzpuz
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puzpuzpuz
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Sep 30, 2025
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[PR Coverage check]😍 pass : 11 / 11 (100.00%) file detail
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bluestreak01
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This PR:
useFastAsOfJoinconfiguration property. Now QuestDB always uses the fast asof join, unless disabled through a hint.avoid_asof_binary_searchandavoid_lt_binary_searchasof_linear_searchandasof_index_searchThe new hints apply to both ASOF and LT JOIN variants. Instead of hinting to avoid an algo, the hints positively select algos:
asof_linear_searchselects the original algo with no binary search or index scan optimizationsasof_index_searchrequests the algo that leverages the symbol index