Support toUInt8/toInt8 for if constant condition optimization. #31866
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robot-clickhouse
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| @@ -49,6 +49,16 @@ static bool tryExtractConstValueFromCondition(const ASTPtr & condition, bool & v | |||
| } | |||
| } | |||
| } | |||
| else if (function->name == "toUInt8" || function->name == "toInt8") | |||
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Do we still need OptimizeIfWithConstantCondition?
Also maybe make a setting to disable this optimization?
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Looks like we need it, there is no other way to skip unused columns
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Where exactly it is needed?
alexey-milovidov
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Nov 26, 2021
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What if any other function will be used? |
alexey-milovidov
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Nov 29, 2021
This was referenced Nov 30, 2021
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…ition optimization.
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…ition optimization.
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Backport #31866 to 21.11: Support toUInt8/toInt8 for if constant condition optimization.
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Backport #31866 to 21.3: Support toUInt8/toInt8 for if constant condition optimization.
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Backport #31866 to 21.9: Support toUInt8/toInt8 for if constant condition optimization.
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Backport #31866 to 21.10: Support toUInt8/toInt8 for if constant condition optimization.
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Backport #31866 to 21.8: Support toUInt8/toInt8 for if constant condition optimization.
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Fixes #31687