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feat(rbo): configfile and pron params can be used to turn off rbo rules selectively

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This commit is contained in:
Leonid Fedorov
2025-08-20 11:25:03 +00:00
committed by Leonid Fedorov
parent 9cde37345e
commit 2c5043f2fe
5 changed files with 57 additions and 5 deletions
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28
dbcon/mysql/rulebased_optimizer.cpp
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@@ -22,6 +22,7 @@
#include "rulebased_optimizer.h"
#include "configcpp.h"
#include "constantcolumn.h"
#include "execplan/calpontselectexecutionplan.h"
#include "execplan/simplecolumn.h"
@@ -32,6 +33,7 @@
#include "simplefilter.h"
#include "rbo_apply_parallel_ces.h"
#include "rbo_predicate_pushdown.h"
#include "utils/pron/pron.h"
namespace optimizer
{
@@ -41,9 +43,33 @@ bool optimizeCSEPWithRules(execplan::CalpontSelectExecutionPlan& root, const std
optimizer::RBOptimizerContext& ctx)
{
bool changed = false;
config::Config* cfg = config::Config::makeConfig();
const auto& pronMap = utils::Pron::instance().pron();
for (const auto& rule : rules)
{
changed |= rule.apply(root, ctx);
bool apply_rule = true;
try
{
const std::string val = cfg->getConfig("OptimizerRules", rule.getName());
apply_rule = config::parseBooleanParamValue(val);
const std::string k1 = std::string("OptimizerRules.") + rule.getName();
// PRON params override the config file
auto it = pronMap.find(k1);
if (it != pronMap.end())
{
apply_rule = config::parseBooleanParamValue(it->second);
}
}
catch (...)
{
// Missing section/name or other config issues – keep default behavior
}
if (apply_rule)
{
changed |= rule.apply(root, ctx);
}
}
return changed;
}