should be it

external/duckdb/test/api/test_table_info.cpp

@@ -0,0 +1,38 @@
+#include "catch.hpp"
+#include "test_helpers.hpp"
+
+using namespace duckdb;
+using namespace std;
+
+TEST_CASE("Test table info api", "[api]") {
+	DuckDB db(nullptr);
+	Connection con(db), con2(db);
+
+	//! table is not found!
+	auto info = con.TableInfo("test");
+	REQUIRE(info.get() == nullptr);
+
+	// after creating, the table can be found
+	REQUIRE_NO_FAIL(con.Query("CREATE TABLE test(i INTEGER)"));
+	info = con.TableInfo("test");
+	REQUIRE(info.get() != nullptr);
+	REQUIRE(info->table == "test");
+	REQUIRE(info->columns.size() == 1);
+	REQUIRE(info->columns[0].Name() == "i");
+
+	// table info is transaction sensitive
+	REQUIRE_NO_FAIL(con.Query("BEGIN TRANSACTION"));
+	// dropping the table in a transaction will result in the table being gone
+	REQUIRE_NO_FAIL(con.Query("DROP TABLE test"));
+	info = con.TableInfo("test");
+	REQUIRE(info.get() == nullptr);
+
+	// but not in a separate connection!
+	info = con2.TableInfo("test");
+	REQUIRE(info.get() != nullptr);
+
+	// rolling back brings back the table info again
+	REQUIRE_NO_FAIL(con.Query("ROLLBACK"));
+	info = con.TableInfo("test");
+	REQUIRE(info.get() != nullptr);
+}