[FEAT MERGE] implement dynamic sampling

2023-04-27 12:15:28 +00:00
parent 56f85c9c76
commit f745b47cbc
86 changed files with 6754 additions and 2282 deletions
--- a/src/share/system_variable/ob_system_variable_alias.h
+++ b/src/share/system_variable/ob_system_variable_alias.h
@ -243,6 +243,7 @@ namespace share
  static const char* const OB_SV_PARALLEL_DEGREE_POLICY = "parallel_degree_policy";
  static const char* const OB_SV_PARALLEL_DEGREE_LIMIT = "parallel_degree_limit";
  static const char* const OB_SV_PARALLEL_MIN_SCAN_TIME_THRESHOLD = "parallel_min_scan_time_threshold";
+  static const char* const OB_SV_OPTIMIZER_DYNAMIC_SAMPLING = "optimizer_dynamic_sampling";

 }
 }