message: first semi-working version of show select query functionality
diff: @@ -10,9 +10,11 @@ TEST_CASE("Test SHOW/DESCRIBE tables", "[pragma]") {
  Connection con(db);
  REQUIRE_NO_FAIL(con.Query("CREATE TABLE integers (i INTEGER, j INTEGER)"));
  + REQUIRE_NO_FAIL(con.Query("CREATE TABLE integers2 (i INTEGER, j INTEGER, st VARCHAR)"));
  //REQUIRE_NO_FAIL(con.Query("CREATE VIEW v1 AS SELECT DATE '1992-01-01' AS k"));
  REQUIRE_NO_FAIL(con.Query("INSERT INTO integers VALUES (1, 10), (2, 12), (3, 14), (4, 16), (5, NULL), (NULL, NULL)"));
  + REQUIRE_NO_FAIL(con.Query("INSERT INTO integers2 VALUES (1, 30, 'a'), (8, 12, 'b'), (3, 24, 'c'), (9, 16, 'c'), (10, NULL, 'e')"));
  // SHOW and DESCRIBE are aliases
  result = con.Query("SHOW TABLES");
  