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[FEAT MERGE] implement dynamic sampling

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This commit is contained in:
wangt1xiuyi
2023-04-27 12:15:28 +00:00
committed by ob-robot
parent 56f85c9c76
commit f745b47cbc
86 changed files with 6754 additions and 2282 deletions
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16
src/share/system_variable/ob_system_variable_init.cpp
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@ -2980,13 +2980,27 @@ static struct VarsInit{
ObSysVars[226].alias_ = "OB_SV_PARALLEL_MIN_SCAN_TIME_THRESHOLD" ;
}();
[&] (){
ObSysVars[227].info_ = "control optimizer dynamic sample level" ;
ObSysVars[227].name_ = "optimizer_dynamic_sampling" ;
ObSysVars[227].data_type_ = ObUInt64Type ;
ObSysVars[227].value_ = "1" ;
ObSysVars[227].min_val_ = "0" ;
ObSysVars[227].max_val_ = "1" ;
ObSysVars[227].flags_ = ObSysVarFlag::GLOBAL_SCOPE | ObSysVarFlag::SESSION_SCOPE | ObSysVarFlag::NEED_SERIALIZE ;
ObSysVars[227].id_ = SYS_VAR_OPTIMIZER_DYNAMIC_SAMPLING ;
cur_max_var_id = MAX(cur_max_var_id, static_cast<int64_t>(SYS_VAR_OPTIMIZER_DYNAMIC_SAMPLING)) ;
ObSysVarsIdToArrayIdx[SYS_VAR_OPTIMIZER_DYNAMIC_SAMPLING] = 227 ;
ObSysVars[227].alias_ = "OB_SV_OPTIMIZER_DYNAMIC_SAMPLING" ;
}();
if (cur_max_var_id >= ObSysVarFactory::OB_MAX_SYS_VAR_ID) {
HasInvalidSysVar = true;
}
}
}vars_init;
static int64_t var_amount = 227;
static int64_t var_amount = 228;
int64_t ObSysVariables::get_all_sys_var_count(){ return ObSysVarFactory::ALL_SYS_VARS_COUNT;}
ObSysVarClassType ObSysVariables::get_sys_var_id(int64_t i){ return ObSysVars[i].id_;}