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#include "catch.hpp"
#include "test_helpers.hpp"
#include "duckdb/common/types/date.hpp"
#include "duckdb/common/types/time.hpp"
#include "duckdb/common/types/timestamp.hpp"
#include "udf_functions_to_test.hpp"
using namespace duckdb;
using namespace std;
TEST_CASE("Aggregate UDFs", "[udf_function]") {
duckdb::unique_ptr<QueryResult> result;
DuckDB db(nullptr);
Connection con(db);
con.EnableQueryVerification();
SECTION("Testing a binary aggregate UDF using only template parameters") {
// using DOUBLEs
REQUIRE_NOTHROW(
con.CreateAggregateFunction<UDFAverageFunction, udf_avg_state_t<double>, double, double>("udf_avg_double"));
con.Query("CREATE TABLE doubles (d DOUBLE)");
con.Query("INSERT INTO doubles VALUES (1), (2), (3), (4), (5)");
result = con.Query("SELECT udf_avg_double(d) FROM doubles");
REQUIRE(CHECK_COLUMN(result, 0, {3.0}));
// using INTEGERs
REQUIRE_NOTHROW(con.CreateAggregateFunction<UDFAverageFunction, udf_avg_state_t<int>, int, int>("udf_avg_int"));
con.Query("CREATE TABLE integers (i INTEGER)");
con.Query("INSERT INTO integers VALUES (1), (2), (3), (4), (5)");
result = con.Query("SELECT udf_avg_int(i) FROM integers");
REQUIRE(CHECK_COLUMN(result, 0, {3}));
}
SECTION("Testing a binary aggregate UDF using only template parameters") {
// using DOUBLEs
con.CreateAggregateFunction<UDFCovarPopOperation, udf_covar_state_t, double, double, double>(
"udf_covar_pop_double");
result = con.Query("SELECT udf_covar_pop_double(3,3), udf_covar_pop_double(NULL,3), "
"udf_covar_pop_double(3,NULL), udf_covar_pop_double(NULL,NULL)");
REQUIRE(CHECK_COLUMN(result, 0, {0}));
REQUIRE(CHECK_COLUMN(result, 1, {Value()}));
REQUIRE(CHECK_COLUMN(result, 2, {Value()}));
REQUIRE(CHECK_COLUMN(result, 3, {Value()}));
// using INTEGERs
con.CreateAggregateFunction<UDFCovarPopOperation, udf_covar_state_t, int, int, int>("udf_covar_pop_int");
result = con.Query("SELECT udf_covar_pop_int(3,3), udf_covar_pop_int(NULL,3), udf_covar_pop_int(3,NULL), "
"udf_covar_pop_int(NULL,NULL)");
REQUIRE(CHECK_COLUMN(result, 0, {0}));
REQUIRE(CHECK_COLUMN(result, 1, {Value()}));
REQUIRE(CHECK_COLUMN(result, 2, {Value()}));
REQUIRE(CHECK_COLUMN(result, 3, {Value()}));
}
SECTION("Testing aggregate UDF with arguments") {
REQUIRE_NOTHROW(con.CreateAggregateFunction<UDFAverageFunction, udf_avg_state_t<int>, int, int>(
"udf_avg_int_args", LogicalType::INTEGER, LogicalType::INTEGER));
con.Query("CREATE TABLE integers (i INTEGER)");
con.Query("INSERT INTO integers VALUES (1), (2), (3), (4), (5)");
result = con.Query("SELECT udf_avg_int_args(i) FROM integers");
REQUIRE(CHECK_COLUMN(result, 0, {3}));
// using TIMEs to test disambiguation
REQUIRE_NOTHROW(con.CreateAggregateFunction<UDFAverageFunction, udf_avg_state_t<dtime_t>, dtime_t, dtime_t>(
"udf_avg_time_args", LogicalType::TIME, LogicalType::TIME));
con.Query("CREATE TABLE times (t TIME)");
con.Query("INSERT INTO times VALUES ('01:00:00'), ('01:00:00'), ('01:00:00'), ('01:00:00'), ('01:00:00')");
result = con.Query("SELECT udf_avg_time_args(t) FROM times");
REQUIRE(CHECK_COLUMN(result, 0, {Time::FromString("01:00:00")}));
// using DOUBLEs and a binary UDF
con.CreateAggregateFunction<UDFCovarPopOperation, udf_covar_state_t, double, double, double>(
"udf_covar_pop_double_args", LogicalType::DOUBLE, LogicalType::DOUBLE, LogicalType::DOUBLE);
result = con.Query("SELECT udf_covar_pop_double_args(3,3), udf_covar_pop_double_args(NULL,3), "
"udf_covar_pop_double_args(3,NULL), udf_covar_pop_double_args(NULL,NULL)");
REQUIRE(CHECK_COLUMN(result, 0, {0}));
REQUIRE(CHECK_COLUMN(result, 1, {Value()}));
REQUIRE(CHECK_COLUMN(result, 2, {Value()}));
REQUIRE(CHECK_COLUMN(result, 3, {Value()}));
}
SECTION("Testing aggregate UDF with WRONG arguments") {
// wrong return type
REQUIRE_THROWS(con.CreateAggregateFunction<UDFAverageFunction, udf_avg_state_t<int>, double, int>(
"udf_avg_int_args", LogicalType::INTEGER, LogicalType::INTEGER));
REQUIRE_THROWS(con.CreateAggregateFunction<UDFAverageFunction, udf_avg_state_t<int>, int, int>(
"udf_avg_int_args", LogicalType::DOUBLE, LogicalType::INTEGER));
// wrong first argument
REQUIRE_THROWS(con.CreateAggregateFunction<UDFAverageFunction, udf_avg_state_t<int>, int, double>(
"udf_avg_int_args", LogicalType::INTEGER, LogicalType::INTEGER));
REQUIRE_THROWS(con.CreateAggregateFunction<UDFAverageFunction, udf_avg_state_t<int>, int, int>(
"udf_avg_int_args", LogicalType::INTEGER, LogicalType::DOUBLE));
// wrong first argument
REQUIRE_THROWS(con.CreateAggregateFunction<UDFCovarPopOperation, udf_covar_state_t, double, double, int>(
"udf_covar_pop_double_args", LogicalType::DOUBLE, LogicalType::DOUBLE, LogicalType::DOUBLE));
REQUIRE_THROWS(con.CreateAggregateFunction<UDFCovarPopOperation, udf_covar_state_t, double, double, double>(
"udf_covar_pop_double_args", LogicalType::DOUBLE, LogicalType::DOUBLE, LogicalType::INTEGER));
}
SECTION("Cheking if aggregate UDFs are temporary") {
REQUIRE_NOTHROW(
con.CreateAggregateFunction<UDFAverageFunction, udf_avg_state_t<double>, double, double>("udf_avg_double"));
REQUIRE_NOTHROW(con.CreateAggregateFunction<UDFAverageFunction, udf_avg_state_t<int>, int, int>("udf_avg_int"));
REQUIRE_NOTHROW(con.CreateAggregateFunction<UDFAverageFunction, udf_avg_state_t<int>, int, int>(
"udf_avg_int_args", LogicalType::INTEGER, LogicalType::INTEGER));
REQUIRE_NOTHROW(con.CreateAggregateFunction<UDFAverageFunction, udf_avg_state_t<double>, double, double>(
"udf_avg_double_args", LogicalType::DOUBLE, LogicalType::DOUBLE));
REQUIRE_NO_FAIL(con.Query("SELECT udf_avg_double(1)"));
REQUIRE_NO_FAIL(con.Query("SELECT udf_avg_int(1)"));
REQUIRE_NO_FAIL(con.Query("SELECT udf_avg_int_args(1)"));
REQUIRE_NO_FAIL(con.Query("SELECT udf_avg_double_args(1)"));
// Trying to use the aggregate UDFs with a different connection, it must fail
Connection con_NEW(db);
con_NEW.EnableQueryVerification();
REQUIRE_FAIL(con_NEW.Query("SELECT udf_avg_double(1)"));
REQUIRE_FAIL(con_NEW.Query("SELECT udf_avg_int(1)"));
REQUIRE_FAIL(con_NEW.Query("SELECT udf_avg_int_args(1)"));
REQUIRE_FAIL(con_NEW.Query("SELECT udf_avg_double_args(1)"));
}
}
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