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#include "catch.hpp"
#include "test_helpers.hpp"
#include "duckdb/main/appender.hpp"
#include "duckdb/common/types/hugeint.hpp"
using namespace duckdb;
using namespace std;
template <class SRC>
void TestAppendingSingleDecimalValue(SRC value, Value expected_result, uint8_t width, uint8_t scale) {
auto db = make_uniq<DuckDB>(nullptr);
auto conn = make_uniq<Connection>(*db);
duckdb::unique_ptr<Appender> appender;
duckdb::unique_ptr<QueryResult> result;
REQUIRE_NO_FAIL(conn->Query(StringUtil::Format("CREATE TABLE decimals(i DECIMAL(%d,%d))", width, scale)));
appender = make_uniq<Appender>(*conn, "decimals");
appender->BeginRow();
appender->Append<SRC>(value);
appender->EndRow();
appender->Flush();
result = conn->Query("SELECT * FROM decimals");
REQUIRE(CHECK_COLUMN(result, 0, {expected_result}));
}
TEST_CASE("Test appending to a decimal column", "[api]") {
TestAppendingSingleDecimalValue<int32_t>(1, Value::DECIMAL(1000, 4, 3), 4, 3);
TestAppendingSingleDecimalValue<int16_t>(-9999, Value::DECIMAL(-9999, 4, 0), 4, 0);
TestAppendingSingleDecimalValue<int16_t>(9999, Value::DECIMAL(9999, 4, 0), 4, 0);
TestAppendingSingleDecimalValue<int32_t>(99999999, Value::DECIMAL(99999999, 8, 0), 8, 0);
TestAppendingSingleDecimalValue<const char *>("1.234", Value::DECIMAL(1234, 4, 3), 4, 3);
TestAppendingSingleDecimalValue<const char *>("123.4", Value::DECIMAL(1234, 4, 1), 4, 1);
hugeint_t hugeint_value;
bool result;
result = Hugeint::TryConvert<const char *>("3245234123123", hugeint_value);
REQUIRE(result);
TestAppendingSingleDecimalValue<const char *>("3245234.123123", Value::DECIMAL(hugeint_value, 19, 6), 19, 6);
int64_t bigint_reference_value = 3245234123123;
TestAppendingSingleDecimalValue<const char *>("3245234.123123", Value::DECIMAL(bigint_reference_value, 13, 6), 13,
6);
// Precision loss
TestAppendingSingleDecimalValue<float>(12.3124324f, Value::DECIMAL(123124320, 9, 7), 9, 7);
// Precision loss
result = Hugeint::TryConvert<const char *>("12345234234312432287744000", hugeint_value);
REQUIRE(result);
TestAppendingSingleDecimalValue<double>(12345234234.31243244234324, Value::DECIMAL(hugeint_value, 26, 15), 26, 15);
}
TEST_CASE("Test using appender after connection is gone", "[api]") {
auto db = make_uniq<DuckDB>(nullptr);
auto conn = make_uniq<Connection>(*db);
duckdb::unique_ptr<Appender> appender;
duckdb::unique_ptr<QueryResult> result;
// create an appender for a non-existing table fails
REQUIRE_THROWS(make_uniq<Appender>(*conn, "integers"));
// now create the table and create the appender
REQUIRE_NO_FAIL(conn->Query("CREATE TABLE integers(i INTEGER)"));
appender = make_uniq<Appender>(*conn, "integers");
// we can use the appender
appender->BeginRow();
appender->Append<int32_t>(1);
appender->EndRow();
appender->Flush();
result = conn->Query("SELECT * FROM integers");
REQUIRE(CHECK_COLUMN(result, 0, {1}));
// removing the connection invalidates the appender
conn.reset();
appender->BeginRow();
appender->Append<int32_t>(2);
appender->EndRow();
// the connection is gone
REQUIRE_THROWS(appender->Flush());
}
TEST_CASE("Test appender and connection destruction order", "[api]") {
for (idx_t i = 0; i < 6; i++) {
auto db = make_uniq<DuckDB>(nullptr);
auto con = make_uniq<Connection>(*db);
REQUIRE_NO_FAIL(con->Query("CREATE TABLE integers(i INTEGER)"));
auto appender = make_uniq<Appender>(*con, "integers");
switch (i) {
case 0:
// db - con - appender
db.reset();
con.reset();
appender.reset();
break;
case 1:
// db - appender - con
db.reset();
appender.reset();
con.reset();
break;
case 2:
// con - db - appender
con.reset();
db.reset();
appender.reset();
break;
case 3:
// con - appender - db
con.reset();
appender.reset();
db.reset();
break;
case 4:
// appender - con - db
appender.reset();
con.reset();
db.reset();
break;
default:
// appender - db - con
appender.reset();
db.reset();
con.reset();
break;
}
}
}
TEST_CASE("Test using appender after table is dropped", "[api]") {
DuckDB db(nullptr);
Connection con(db);
// create the table
REQUIRE_NO_FAIL(con.Query("CREATE TABLE integers(i INTEGER)"));
// now create the appender
Appender appender(con, "integers");
// appending works initially
appender.BeginRow();
appender.Append<int32_t>(1);
appender.EndRow();
appender.Flush();
// now drop the table
REQUIRE_NO_FAIL(con.Query("DROP TABLE integers"));
// now appending fails
appender.BeginRow();
appender.Append<int32_t>(1);
appender.EndRow();
REQUIRE_THROWS(appender.Flush());
}
TEST_CASE("Test using appender after table is altered", "[api]") {
DuckDB db(nullptr);
Connection con(db);
// create the table
REQUIRE_NO_FAIL(con.Query("CREATE TABLE integers(i INTEGER)"));
// now create the appender
Appender appender(con, "integers");
// appending works initially
appender.BeginRow();
appender.Append<int32_t>(1);
appender.EndRow();
// now create a new table with the same name but with different types
REQUIRE_NO_FAIL(con.Query("DROP TABLE integers"));
REQUIRE_NO_FAIL(con.Query("CREATE TABLE integers(i VARCHAR, j INTEGER)"));
// now appending fails
appender.BeginRow();
appender.Append<int32_t>(1);
appender.EndRow();
REQUIRE_THROWS(appender.Flush());
}
TEST_CASE("Test appenders and transactions", "[api]") {
DuckDB db(nullptr);
Connection con(db);
duckdb::unique_ptr<QueryResult> result;
// create the table
REQUIRE_NO_FAIL(con.Query("CREATE TABLE integers(i INTEGER)"));
// now create the appender
Appender appender(con, "integers");
// rollback an append
REQUIRE_NO_FAIL(con.Query("BEGIN TRANSACTION"));
appender.BeginRow();
appender.Append<int32_t>(1);
appender.EndRow();
appender.Flush();
result = con.Query("SELECT * FROM integers");
REQUIRE(CHECK_COLUMN(result, 0, {1}));
REQUIRE_NO_FAIL(con.Query("ROLLBACK"));
result = con.Query("SELECT * FROM integers");
REQUIRE(CHECK_COLUMN(result, 0, {}));
// we can still use the appender in auto commit mode
appender.BeginRow();
appender.Append<int32_t>(1);
appender.EndRow();
appender.Flush();
result = con.Query("SELECT * FROM integers");
REQUIRE(CHECK_COLUMN(result, 0, {1}));
}
TEST_CASE("Test using multiple appenders", "[api]") {
DuckDB db(nullptr);
Connection con(db);
duckdb::unique_ptr<QueryResult> result;
// create the table
REQUIRE_NO_FAIL(con.Query("CREATE TABLE t1(i INTEGER)"));
REQUIRE_NO_FAIL(con.Query("CREATE TABLE t2(i VARCHAR, j DATE)"));
// now create the appender
Appender a1(con, "t1");
Appender a2(con, "t2");
// begin appending from both
REQUIRE_NO_FAIL(con.Query("BEGIN TRANSACTION"));
a1.BeginRow();
a1.Append<int32_t>(1);
a1.EndRow();
a1.Flush();
a2.BeginRow();
a2.Append<const char *>("hello");
a2.Append<Value>(Value::DATE(1992, 1, 1));
a2.EndRow();
a2.Flush();
result = con.Query("SELECT * FROM t1");
REQUIRE(CHECK_COLUMN(result, 0, {1}));
result = con.Query("SELECT * FROM t2");
REQUIRE(CHECK_COLUMN(result, 0, {"hello"}));
REQUIRE(CHECK_COLUMN(result, 1, {Value::DATE(1992, 1, 1)}));
REQUIRE_NO_FAIL(con.Query("ROLLBACK"));
result = con.Query("SELECT * FROM t1");
REQUIRE(CHECK_COLUMN(result, 0, {}));
}
TEST_CASE("Test usage of appender interleaved with connection usage", "[api]") {
DuckDB db(nullptr);
Connection con(db);
duckdb::unique_ptr<QueryResult> result;
// create the table
REQUIRE_NO_FAIL(con.Query("CREATE TABLE t1(i INTEGER)"));
Appender appender(con, "t1");
appender.AppendRow(1);
appender.Flush();
result = con.Query("SELECT * FROM t1");
REQUIRE(CHECK_COLUMN(result, 0, {1}));
appender.AppendRow(2);
appender.Flush();
result = con.Query("SELECT * FROM t1");
REQUIRE(CHECK_COLUMN(result, 0, {1, 2}));
}
TEST_CASE("Test appender during stack unwinding", "[api]") {
// test appender exception
DuckDB db;
Connection con(db);
REQUIRE_NO_FAIL(con.Query("CREATE TABLE integers(i INTEGER)"));
{
Appender appender(con, "integers");
appender.AppendRow(1);
// closing the apender throws an exception, because we changed the table's columns
REQUIRE_NO_FAIL(con.Query("ALTER TABLE integers ADD COLUMN j VARCHAR"));
REQUIRE_THROWS(appender.Close());
}
REQUIRE_NO_FAIL(con.Query("DROP TABLE integers"));
REQUIRE_NO_FAIL(con.Query("CREATE TABLE integers(i INTEGER)"));
try {
// now we do the same, but we trigger the destructor of the appender during stack unwinding
Appender appender(con, "integers");
appender.AppendRow(1);
REQUIRE_NO_FAIL(con.Query("ALTER TABLE integers ADD COLUMN j VARCHAR"));
{ throw std::runtime_error("Hello"); }
} catch (...) {
}
}
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