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Merge pull request #3263 from yandex/CLICKHOUSE-4007

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CLICKHOUSE-4007: Fix PerfTest substitution function
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alexey-milovidov 2018-10-01 21:33:18 +03:00 committed by GitHub
commit 38f3ee091d
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1 changed files with 19 additions and 29 deletions
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48
dbms/programs/performance-test/PerformanceTest.cpp
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@ -1159,11 +1159,8 @@ private:
StringToVector::iterator substitutions_first = substitutions.begin();
StringToVector::iterator substitutions_last = substitutions.end();
--substitutions_last;
std::map<String, String> substitutions_map;
runThroughAllOptionsAndPush(substitutions_first, substitutions_last, query, queries, substitutions_map);
runThroughAllOptionsAndPush(substitutions_first, substitutions_last, query, queries);
return queries;
}
@ -1173,44 +1170,37 @@ private:
void runThroughAllOptionsAndPush(StringToVector::iterator substitutions_left,
StringToVector::iterator substitutions_right,
const String & template_query,
std::vector<String> & queries,
const StringKeyValue & template_substitutions_map = StringKeyValue())
std::vector<String> & queries)
{
String name = substitutions_left->first;
std::vector<String> values = substitutions_left->second;
if (substitutions_left == substitutions_right)
{
queries.push_back(template_query); /// completely substituted query
return;
}
for (const String & value : values)
String substitution_mask = "{" + substitutions_left->first + "}";
if (template_query.find(substitution_mask) == String::npos) /// nothing to substitute here
{
runThroughAllOptionsAndPush(std::next(substitutions_left), substitutions_right, template_query, queries);
return;
}
for (const String & value : substitutions_left->second)
{
/// Copy query string for each unique permutation
Query query = template_query;
StringKeyValue substitutions_map = template_substitutions_map;
size_t substr_pos = 0;
while (substr_pos != String::npos)
{
substr_pos = query.find("{" + name + "}");
substr_pos = query.find(substitution_mask);
if (substr_pos != String::npos)
{
query.replace(substr_pos, 1 + name.length() + 1, value);
}
query.replace(substr_pos, substitution_mask.length(), value);
}
substitutions_map[name] = value;
/// If we've reached the end of substitution chain
if (substitutions_left == substitutions_right)
{
queries.push_back(query);
substitutions_maps.push_back(substitutions_map);
}
else
{
StringToVector::iterator next_it = substitutions_left;
++next_it;
runThroughAllOptionsAndPush(next_it, substitutions_right, query, queries, substitutions_map);
}
runThroughAllOptionsAndPush(std::next(substitutions_left), substitutions_right, query, queries);
}
}