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LibSQL: Free heap storage when deleting rows

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This commit is contained in:
Jelle Raaijmakers 2023-05-24 15:57:34 +02:00 • committed by Tim Flynn
parent c58c87d7ef
commit 69e09fed39
3 changed files with 33 additions and 1 deletions
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29
Tests/LibSQL/TestSqlDatabase.cpp
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@ -206,3 +206,32 @@ TEST_CASE(insert_100_into_table)
{
insert_and_verify(100);
}
TEST_CASE(reuse_row_storage)
{
ScopeGuard guard([]() { unlink("/tmp/test.db"); });
auto db = SQL::Database::construct("/tmp/test.db");
MUST(db->open());
(void)setup_table(db);
auto table = MUST(db->get_table("TestSchema", "TestTable"));
// Insert row
SQL::Row row(*table);
row["TextColumn"] = "text value";
row["IntColumn"] = 12345;
TRY_OR_FAIL(db->insert(row));
TRY_OR_FAIL(db->commit());
auto original_size_in_bytes = MUST(db->file_size_in_bytes());
// Remove row
TRY_OR_FAIL(db->remove(row));
TRY_OR_FAIL(db->commit());
auto size_in_bytes_after_removal = MUST(db->file_size_in_bytes());
EXPECT(size_in_bytes_after_removal <= original_size_in_bytes);
// Insert same row again
TRY_OR_FAIL(db->insert(row));
TRY_OR_FAIL(db->commit());
auto size_in_bytes_after_reinsertion = MUST(db->file_size_in_bytes());
EXPECT(size_in_bytes_after_reinsertion <= original_size_in_bytes);
}