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#include <library/cpp/testing/unittest/registar.h>
#include <library/cpp/testing/hook/hook.h>
#include <yql/essentials/parser/pg_wrapper/interface/optimizer.h>
using namespace NYql;
Y_UNIT_TEST_SUITE(CboOptimizer) {
Y_UNIT_TEST(InputToString) {
IOptimizer::TRel rel1 = {100000, 1000000, {{'a'}}};
IOptimizer::TRel rel2 = {1000000, 9000009, {{'b'}}};
IOptimizer::TRel rel3 = {10000, 9009, {{'c'}}};
IOptimizer::TInput input = {{rel1, rel2, rel3}, {}, {}, {}};
input.EqClasses.emplace_back(IOptimizer::TEq {
{{1, 1}, {2, 1}, {3, 1}}
});
auto str = input.ToString();
TString expected = R"__(Rels: [{rows: 100000,cost: 1000000,vars: [a]},
{rows: 1000000,cost: 9000009,vars: [b]},
{rows: 10000,cost: 9009,vars: [c]}]
EqClasses: [[a,b,c]]
)__";
UNIT_ASSERT_STRINGS_EQUAL(expected, str);
}
Y_UNIT_TEST(OutputToString) {
IOptimizer::TOutput output;
auto str = output.ToString();
TString expected = R"__(Rows: 0.00
TotalCost: 0.00
{
}
)__";
UNIT_ASSERT_STRINGS_EQUAL(expected, str);
}
Y_UNIT_TEST(InputNormalize) {
IOptimizer::TRel rel1 = {100000, 1000000, {{'a'}}};
IOptimizer::TRel rel2 = {1000000, 9000009, {{'b'}}};
IOptimizer::TRel rel3 = {10000, 9009, {{'c'}}};
IOptimizer::TInput input = {{rel1, rel2, rel3}, {}, {}, {}};
input.EqClasses.emplace_back(IOptimizer::TEq {
{{1, 1}, {2, 1}}
});
input.EqClasses.emplace_back(IOptimizer::TEq {
{{2, 1}, {3, 1}}
});
TString expected = R"__(Rels: [{rows: 100000,cost: 1000000,vars: [a]},
{rows: 1000000,cost: 9000009,vars: [b]},
{rows: 10000,cost: 9009,vars: [c]}]
EqClasses: [[a,b],[b,c]]
)__";
UNIT_ASSERT_STRINGS_EQUAL(expected, input.ToString());
input.Normalize();
expected = R"__(Rels: [{rows: 100000,cost: 1000000,vars: [a]},
{rows: 1000000,cost: 9000009,vars: [b]},
{rows: 10000,cost: 9009,vars: [c]}]
EqClasses: [[a,b,c]]
)__";
UNIT_ASSERT_STRINGS_EQUAL(expected, input.ToString());
IOptimizer::TRel rel4 = {10001, 9009, {{'d'}}};
IOptimizer::TInput input2 = {{rel1, rel2, rel3, rel4}, {}, {}, {}};
input2.EqClasses.emplace_back(IOptimizer::TEq {
{{1, 1}, {2, 1}}
});
input2.EqClasses.emplace_back(IOptimizer::TEq {
{{4, 1}, {3, 1}}
});
expected = R"__(Rels: [{rows: 100000,cost: 1000000,vars: [a]},
{rows: 1000000,cost: 9000009,vars: [b]},
{rows: 10000,cost: 9009,vars: [c]},
{rows: 10001,cost: 9009,vars: [d]}]
EqClasses: [[a,b],[d,c]]
)__";
UNIT_ASSERT_STRINGS_EQUAL(expected, input2.ToString());
input2.Normalize();
expected = R"__(Rels: [{rows: 100000,cost: 1000000,vars: [a]},
{rows: 1000000,cost: 9000009,vars: [b]},
{rows: 10000,cost: 9009,vars: [c]},
{rows: 10001,cost: 9009,vars: [d]}]
EqClasses: [[a,b],[c,d]]
)__";
UNIT_ASSERT_STRINGS_EQUAL(expected, input2.ToString());
}
} // Y_UNIT_TEST_SUITE(CboOptimizer)
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