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[FEAT MERGE]adaptive cost model

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This commit is contained in:
zzg19950727
2024-02-07 11:01:37 +00:00
committed by ob-robot
parent 1ee1ad37e4
commit 9a22f3ea88
85 changed files with 21899 additions and 18832 deletions
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6
src/sql/optimizer/ob_log_group_by.cpp
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@ -344,21 +344,21 @@ int ObLogGroupBy::inner_est_cost(const int64_t parallel, double child_card, doub
if (SCALAR_AGGREGATE == algo_) {
op_cost = ObOptEstCost::cost_scalar_group(per_dop_card,
get_aggr_funcs().count(),
opt_ctx.get_cost_model_type());
opt_ctx);
} else if (MERGE_AGGREGATE == algo_) {
op_cost = ObOptEstCost::cost_merge_group(per_dop_card,
per_dop_ndv,
child->get_width(),
group_rollup_exprs,
get_aggr_funcs().count(),
opt_ctx.get_cost_model_type());
opt_ctx);
} else {
op_cost = ObOptEstCost::cost_hash_group(per_dop_card,
per_dop_ndv,
child->get_width(),
group_exprs_,
get_aggr_funcs().count(),
opt_ctx.get_cost_model_type());
opt_ctx);
}
child_ndv = per_dop_ndv * parallel;
}