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[FEAT MERGE] 4.3 optimizer enhancement

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Co-authored-by: akaError <lzg020616@163.com>
This commit is contained in:
yinyj17
2024-02-07 23:05:57 +00:00
committed by ob-robot
parent 8d63652331
commit fd359dc4a4
50 changed files with 3205 additions and 1059 deletions
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9
src/sql/resolver/dml/ob_hint.h
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@ -960,7 +960,8 @@ public:
common::ObSEArray<int64_t, 2, common::ModulePageAllocator, true> win_func_idxs_;
bool use_hash_sort_; // use hash sort for none/hash dist method
bool is_push_down_; // push down window function for hash dist method
TO_STRING_KV(K_(algo), K_(win_func_idxs), K_(use_hash_sort), K_(is_push_down));
bool use_topn_sort_; // use part topn sort for none/hash dist method
TO_STRING_KV(K_(algo), K_(win_func_idxs), K_(use_hash_sort), K_(is_push_down), K_(use_topn_sort));
};
const ObIArray<WinDistOption> &get_win_dist_options() const { return win_dist_options_; }
@ -969,11 +970,13 @@ public:
const ObIArray<ObWinFunRawExpr*> &cur_win_funcs,
const WinDistAlgo algo,
const bool is_push_down,
const bool use_hash_sort);
const bool use_hash_sort,
const bool use_topn_sort);
int add_win_dist_option(const ObIArray<int64_t> &win_func_idxs,
const WinDistAlgo algo,
const bool is_push_down,
const bool use_hash_sort);
const bool use_hash_sort,
const bool use_topn_sort);
static const char* get_dist_algo_str(WinDistAlgo dist_algo);
virtual int print_hint_desc(PlanText &plan_text) const override;