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MCOL-6145: mcsgetplan() UDF for CSEP printing

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This commit is contained in:
Leonid Fedorov
2025-08-18 18:24:30 +00:00
committed by drrtuy
parent 20dc485b92
commit 6ec363af70
10 changed files with 203 additions and 23 deletions
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14
dbcon/rbo/rbo_apply_parallel_ces.cpp
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@@ -80,7 +80,7 @@ bool someForeignTablesHasStatisticsAndMbIndex(execplan::CalpontSelectExecutionPl
{
cal_impl_if::SchemaAndTableName schemaAndTableName = {table.schema, table.table};
return (!table.isColumnstore() &&
ctx.gwi.tableStatisticsMap.find(schemaAndTableName) != ctx.gwi.tableStatisticsMap.end());
ctx.getGwi().tableStatisticsMap.find(schemaAndTableName) != ctx.getGwi().tableStatisticsMap.end());
});
}
@@ -202,7 +202,7 @@ execplan::SimpleColumn* findSuitableKeyColumn(execplan::CalpontSelectExecutionPl
cal_impl_if::SchemaAndTableName schemaAndTableName = {simpleColumn->schemaName(),
simpleColumn->tableName()};
auto columnStatistics = ctx.gwi.findStatisticsForATable(schemaAndTableName);
auto columnStatistics = ctx.getGwi().findStatisticsForATable(schemaAndTableName);
if (!columnStatistics)
{
continue;
@@ -231,8 +231,8 @@ std::optional<std::pair<execplan::SimpleColumn&, Histogram_json_hb*>> chooseKeyC
{
cal_impl_if::SchemaAndTableName schemaAndTableName = {targetTable.schema, targetTable.table};
auto tableColumnsStatisticsIt = ctx.gwi.tableStatisticsMap.find(schemaAndTableName);
if (tableColumnsStatisticsIt == ctx.gwi.tableStatisticsMap.end() ||
auto tableColumnsStatisticsIt = ctx.getGwi().tableStatisticsMap.find(schemaAndTableName);
if (tableColumnsStatisticsIt == ctx.getGwi().tableStatisticsMap.end() ||
tableColumnsStatisticsIt->second.empty())
{
return std::nullopt;
@@ -281,7 +281,7 @@ std::optional<details::FilterRangeBounds<T>> populateRangeBounds(Histogram_json_
};
// Get parallel factor from context
size_t maxParallelFactor = ctx.cesOptimizationParallelFactor;
size_t maxParallelFactor = ctx.getCesOptimizationParallelFactor();
std::cout << "populateRangeBounds() columnStatistics->buckets.size() "
<< columnStatistics->get_json_histogram().size() << std::endl;
std::cout << "Session ces_optimization_parallel_factor: " << maxParallelFactor << std::endl;
@@ -567,11 +567,11 @@ bool applyParallelCES(execplan::CalpontSelectExecutionPlan& csep, optimizer::RBO
for (auto& table : tables)
{
cal_impl_if::SchemaAndTableName schemaAndTableName = {table.schema, table.table};
auto anyColumnStatistics = ctx.gwi.findStatisticsForATable(schemaAndTableName);
auto anyColumnStatistics = ctx.getGwi().findStatisticsForATable(schemaAndTableName);
if (!table.isColumnstore() && anyColumnStatistics)
{
std::string tableAlias = optimizer::RewrittenSubTableAliasPrefix + table.schema + "_" + table.table +
"_" + std::to_string(ctx.uniqueId);
"_" + std::to_string(ctx.getUniqueId());
tableAliasToSCPositionsMap.insert({table, {tableAlias, {}, 0}});
execplan::CalpontSystemCatalog::TableAliasName tn = execplan::make_aliasview("", "", tableAlias, "");
newTableList.push_back(tn);