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[FEAT MERGE] [CP] Improve the rowcount estimation

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Co-authored-by: akaError <lzg020616@163.com>
This commit is contained in:
xianyu-w
2024-02-09 19:58:18 +00:00
committed by ob-robot
parent da232dc640
commit dc32079645
70 changed files with 5953 additions and 3722 deletions
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5
src/sql/resolver/dml/ob_hint.cpp
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@ -785,6 +785,11 @@ bool ObOptParamHint::is_param_val_valid(const OptParamType param_type, const ObO
|| 0 == val.get_varchar().case_compare("false"));
break;
}
case _ENABLE_STORAGE_CARDINALITY_ESTIMATION: {
is_valid = val.is_varchar() && (0 == val.get_varchar().case_compare("true")
|| 0 == val.get_varchar().case_compare("false"));
break;
}
default:
LOG_TRACE("invalid opt param val", K(param_type), K(val));
break;