hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

fix some optimizer stats bug

Browse Source
This commit is contained in:
wangt1xiuyi
2023-08-18 08:17:39 +00:00
committed by ob-robot
parent 2308c9d47f
commit 00d479878b
8 changed files with 226 additions and 257 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
src/share/stat/ob_opt_stat_sql_service.h
View File

@ -59,11 +59,13 @@ struct ObOptKeyInfo
struct ObOptKeyColumnStat
{
ObOptKeyColumnStat() : key_(NULL), stat_(NULL) {}
ObOptKeyColumnStat() : key_(NULL), stat_(NULL), only_histogram_stat_(false) {}
const ObOptColumnStat::Key *key_;
ObOptColumnStat *stat_;
bool only_histogram_stat_;
TO_STRING_KV(KPC_(key),
KPC_(stat));
KPC_(stat),
K(only_histogram_stat_));
};
/**
* SQL Service for fetching/updating table level statistics and column level statistics
@ -85,8 +87,7 @@ public:
int fill_column_stat(ObIAllocator &allocator,
common::sqlclient::ObMySQLResult &result,
hash::ObHashMap<ObOptKeyInfo, int64_t> &key_index_map,
ObIArray<ObOptKeyColumnStat> &key_col_stats,
ObIArray<ObOptKeyColumnStat> &need_hist_key_col_stats);
ObIArray<ObOptKeyColumnStat> &key_col_stats);
int fetch_column_stat(const uint64_t tenant_id,
ObIAllocator &allocator,
ObIArray<ObOptKeyColumnStat> &key_col_stats);
@ -234,18 +235,14 @@ private:
bool &need_histogram,
const ObObjPrintParams &print_params);
int generate_specified_keys_list_str(const uint64_t tenant_id,
ObIArray<ObOptKeyColumnStat> &key_col_stats,
ObSqlString &keys_list_str);
int generate_specified_keys_list_str_for_column(const uint64_t tenant_id,
ObIArray<ObOptKeyColumnStat> &key_col_stats,
ObSqlString &keys_list_str);
int generate_key_index_map(const uint64_t tenant_id,
ObIArray<ObOptKeyColumnStat> &key_col_stats,
hash::ObHashMap<ObOptKeyInfo, int64_t> &key_index_map);
int fetch_histogram_stat(const uint64_t tenant_id,
ObIAllocator &allocator,
ObIArray<ObOptKeyColumnStat> &key_col_stats);
int fill_bucket_stat(ObIAllocator &allocator,
sqlclient::ObMySQLResult &result,
hash::ObHashMap<ObOptKeyInfo, int64_t> &key_index_map,