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#include "catch.hpp"
#include "test_helpers.hpp"
#include "duckdb/main/config.hpp"
#include "test_config.hpp"
using namespace duckdb;
using namespace std;
void rand_str(char *dest, idx_t length) {
char charset[] = "0123456789"
"abcdefghijklmnopqrstuvwxyz"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ";
while (length-- > 0) {
idx_t index = (double)rand() / RAND_MAX * (sizeof charset - 1);
*dest++ = charset[index];
}
*dest = '\0';
}
TEST_CASE("Test repeated appending small chunks to a table", "[memoryleak]") {
if (!TestConfiguration::TestMemoryLeaks()) {
return;
}
duckdb_database db;
duckdb_connection con;
duckdb_state state;
auto db_path = TestCreatePath("appender_leak_test.db");
TestDeleteFile(db_path);
if (duckdb_open(db_path.c_str(), &db) == DuckDBError) {
// handle error
FAIL("Failed to open");
}
if (duckdb_connect(db, &con) == DuckDBError) {
// handle error
FAIL("Failed to connect");
}
state =
duckdb_query(con, "create table test(col1 varchar, col2 varchar, col3 bigint, col4 bigint, col5 double)", NULL);
if (state == DuckDBError) {
FAIL("Failed to create table");
}
state = duckdb_query(con, "set memory_limit='100mb'", NULL);
if (state == DuckDBError) {
FAIL("Failed to set memory limit");
}
long n1 = 0;
double d1 = 0.5;
for (int i = 0; i < 100000; i++) {
duckdb_appender appender;
if (duckdb_appender_create(con, NULL, "test", &appender) == DuckDBError) {
FAIL("Failed to create appender");
}
for (int j = 0; j < 1000; j++) {
char str[41];
rand_str(str, sizeof(str) - 1);
duckdb_append_varchar(appender, str);
duckdb_append_varchar(appender, "hello");
duckdb_append_int64(appender, n1++);
duckdb_append_int64(appender, n1++);
duckdb_append_double(appender, d1);
d1 += 1.25;
duckdb_appender_end_row(appender);
}
state = duckdb_appender_close(appender);
if (state == DuckDBError) {
FAIL("Failed to close appender");
}
state = duckdb_appender_destroy(&appender);
if (state == DuckDBError) {
fprintf(stderr, "err: %d", state);
FAIL("Failed to destroy appender");
}
if (i % 500 == 0) {
printf("completed %d\n", i);
duckdb_query(con, "checkpoint", NULL);
}
}
// cleanup
duckdb_disconnect(&con);
duckdb_close(&db);
REQUIRE(1 == 1);
}
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