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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/eval/eval/fast_value.h>
#include <vespa/eval/eval/simple_value.h>
#include <vespa/eval/instruction/simple_join_count.h>
#include <vespa/eval/eval/test/eval_fixture.h>
#include <vespa/eval/eval/test/gen_spec.h>
#include <vespa/vespalib/gtest/gtest.h>
using namespace vespalib::eval;
using namespace vespalib::eval::test;
//-----------------------------------------------------------------------------
struct FunInfo {
using LookFor = SimpleJoinCount;
uint64_t expected_dense_factor;
FunInfo(uint64_t expected_dense_factor_in)
: expected_dense_factor(expected_dense_factor_in) {}
void verify(const LookFor &fun) const {
EXPECT_TRUE(fun.result_is_mutable());
EXPECT_EQ(fun.dense_factor(), expected_dense_factor);
}
};
void verify_optimized_cell_types(const vespalib::string &expr, size_t expected_dense_factor = 1) {
CellTypeSpace types(CellTypeUtils::list_types(), 2);
EvalFixture::verify<FunInfo>(expr, {FunInfo(expected_dense_factor)}, types);
}
void verify_optimized(const vespalib::string &expr, size_t expected_dense_factor = 1) {
CellTypeSpace just_float({CellType::FLOAT}, 2);
EvalFixture::verify<FunInfo>(expr, {FunInfo(expected_dense_factor)}, just_float);
}
void verify_not_optimized(const vespalib::string &expr) {
CellTypeSpace just_float({CellType::FLOAT}, 2);
EvalFixture::verify<FunInfo>(expr, {}, just_float);
}
//-----------------------------------------------------------------------------
TEST(SimpleJoinCount, expression_can_be_optimized) {
verify_optimized_cell_types("reduce(x5_2*x5_1,count)");
verify_optimized_cell_types("reduce(x5_2y3z4*x5_1z4a1,count)", 12);
}
TEST(SimpleJoinCount, join_operation_does_not_matter) {
verify_optimized("reduce(x5_2+x5_1,count)");
verify_optimized("reduce(x5_2-x5_1,count)");
verify_optimized("reduce(x5_2/x5_1,count)");
}
TEST(SimpleJoinCount, parameters_must_have_full_mapped_singledim_overlap) {
verify_not_optimized("reduce(x5_2y5_2*x5_1y5_2,count)");
verify_not_optimized("reduce(x5_2*y5_2,count)");
verify_not_optimized("reduce(x5_2y5_2*x5_1z5_2,count)");
verify_not_optimized("reduce(x5_2*y5,count)");
verify_not_optimized("reduce(x5*y5,count)");
}
TEST(SimpleJoinCount, similar_expressions_are_not_optimized) {
verify_not_optimized("reduce(x5_2y3z4*x5_1z4a1,count,x)");
verify_not_optimized("reduce(x5_2y3z4*x5_1z4a1,count,x,y,z)");
verify_not_optimized("reduce(x5_2y3*x5_1,sum)");
}
//-----------------------------------------------------------------------------
GTEST_MAIN_RUN_ALL_TESTS()
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