ct_cursor.c

在Linux/Unix下面访问WINDOWS SQLSERVER 的ODBC驱动程序

		case CS_CMD_SUCCEED:
			break;
		case CS_CMD_DONE:
			break;
		case CS_CMD_FAIL:
			fprintf(stderr, "ct_results(6) result_type CS_CMD_FAIL.\n");
			break;
		case CS_STATUS_RESULT:
			fprintf(stdout, "ct_results: CS_STATUS_RESULT detected for sp_who\n");

		case CS_CURSOR_RESULT:
			ret = ct_res_info(cmd, CS_NUMDATA, &num_cols, CS_UNUSED, NULL);

			if (ret != CS_SUCCEED) {
				fprintf(stderr, "ct_res_info() failed");
				return 1;
			}

			if (num_cols != 1) {
				fprintf(stderr, "unexpected num of columns =  %d \n", num_cols);
				return 1;
			}

			for (i = 0; i < num_cols; i++) {

				/* here we can finally test for the return status column */
				ret = ct_describe(cmd, i + 1, &datafmt);

				if (ret != CS_SUCCEED) {
					fprintf(stderr, "ct_describe() failed for column %d\n", i);
					return 1;
				}

				if (datafmt.status & CS_RETURN) {
					fprintf(stdout, "ct_describe() column %d \n", i);
					is_return_status = i + 1;
				}

				datafmt.datatype = CS_CHAR_TYPE;
				datafmt.format = CS_FMT_NULLTERM;
				datafmt.maxlength = 6;
				datafmt.count = 1;
				datafmt.locale = NULL;
				ret = ct_bind(cmd, 1, &datafmt, col1, &datalength, &ind);
				if (ret != CS_SUCCEED) {
					fprintf(stderr, "ct_bind() failed\n");
					return 1;
				}
			}
			row_count = 0;
			while (((ret = ct_fetch(cmd, CS_UNUSED, CS_UNUSED, CS_UNUSED, &count)) == CS_SUCCEED)
			       || (ret == CS_ROW_FAIL)) {

				if (row_count == 0) {
					for (j = 0; j < num_cols; j++) {
						fprintf(stdout, "\n%s\n", datafmt.name);
					}
					fprintf(stdout, "------\n\n");
				}

				for (j = 0; j < num_cols; j++) {
					fprintf(stdout, "%s\n\n", col1);
					row_count++;
				}
			}


			switch ((int) ret) {
			case CS_END_DATA:
				break;
			case CS_ROW_FAIL:
				fprintf(stderr, "ct_fetch() CS_ROW_FAIL on row %d.\n", row_count);
				return 1;
			case CS_FAIL:
				fprintf(stderr, "ct_fetch() returned CS_FAIL.\n");
				return 1;
			default:
				fprintf(stderr, "ct_fetch() unexpected return. %d\n", ret);
				return 1;
			}
			break;

		case CS_COMPUTE_RESULT:
			fprintf(stderr, "ct_results() unexpected CS_COMPUTE_RESULT.\n");
			return 1;
		default:
			fprintf(stderr, "ct_results() unexpected result_type.\n");
			return 1;
		}
	}


	ret = ct_cursor(cmd, CS_CURSOR_CLOSE, name, 3, NULL, CS_UNUSED, CS_UNUSED);

	if (ret != CS_SUCCEED) {
		fprintf(stderr, "ct_cursor(close) failed\n");
		return ret;
	}

	if ((ret = ct_send(cmd)) != CS_SUCCEED) {
		fprintf(stderr, "ct_send() failed\n");
		return ret;
	}

	while ((results_ret = ct_results(cmd, &result_type)) == CS_SUCCEED) {
		if (result_type == CS_CMD_FAIL) {
			fprintf(stderr, "ct_results(7) result_type CS_CMD_FAIL.\n");
			return 1;
		}
	}
	if (results_ret != CS_END_RESULTS) {
		fprintf(stderr, "ct_results() returned BAD.\n");
		return 1;
	}
	ret = ct_cursor(cmd, CS_CURSOR_DEALLOC, name, 3, NULL, CS_UNUSED, CS_UNUSED);

	if (ret != CS_SUCCEED) {
		fprintf(stderr, "ct_cursor(dealloc) failed\n");
		return ret;
	}

	if ((ret = ct_send(cmd)) != CS_SUCCEED) {
		fprintf(stderr, "ct_send() failed\n");
		return ret;
	}

	while ((results_ret = ct_results(cmd, &result_type)) == CS_SUCCEED) {
		if (result_type == CS_CMD_FAIL) {
			fprintf(stderr, "ct_results(8) result_type CS_CMD_FAIL.\n");
			return 1;
		}
	}
	if (results_ret != CS_END_RESULTS) {
		fprintf(stderr, "ct_results() returned BAD.\n");
		return 1;
	}

	if (verbose) {
		fprintf(stdout, "Running normal select command after cursor operations\n");
	}

	ret = ct_command(cmd, CS_LANG_CMD, "select col1 from #test_table", CS_NULLTERM, CS_UNUSED);
	if (ret != CS_SUCCEED) {
		fprintf(stderr, "ct_command() failed\n");
		return 1;
	}
	ret = ct_send(cmd);
	if (ret != CS_SUCCEED) {
		fprintf(stderr, "ct_send() failed\n");
		return 1;
	}
	while ((results_ret = ct_results(cmd, &result_type)) == CS_SUCCEED) {
		switch ((int) result_type) {
		case CS_CMD_SUCCEED:
			break;
		case CS_CMD_DONE:
			break;
		case CS_CMD_FAIL:
			fprintf(stderr, "ct_results() result_type CS_CMD_FAIL.\n");
			return 1;
		case CS_ROW_RESULT:
			datafmt.datatype = CS_CHAR_TYPE;
			datafmt.format = CS_FMT_NULLTERM;
			datafmt.maxlength = 6;
			datafmt.count = 1;
			datafmt.locale = NULL;
			ret = ct_bind(cmd, 1, &datafmt, col1, &datalength, &ind);
			if (ret != CS_SUCCEED) {
				fprintf(stderr, "ct_bind() failed\n");
				return 1;
			}

			while (((ret = ct_fetch(cmd, CS_UNUSED, CS_UNUSED, CS_UNUSED, &count)) == CS_SUCCEED)
			       || (ret == CS_ROW_FAIL)) {
				row_count += count;
				if (ret == CS_ROW_FAIL) {
					fprintf(stderr, "ct_fetch() CS_ROW_FAIL on row %d.\n", row_count);
					return 1;
				} else if (ret == CS_SUCCEED) {
					;
				} else {
					break;
				}
			}
			switch ((int) ret) {
			case CS_END_DATA:
				break;
			case CS_FAIL:
				fprintf(stderr, "ct_fetch() returned CS_FAIL.\n");
				return 1;
			default:
				fprintf(stderr, "ct_fetch() unexpected return.%d\n", ret);
				return 1;
			}
			break;
		case CS_COMPUTE_RESULT:
			fprintf(stderr, "ct_results() unexpected CS_COMPUTE_RESULT.\n");
			return 1;
		default:
			fprintf(stderr, "ct_results() unexpected result_type. %d\n", result_type);
			return 1;
		}
	}
	switch ((int) results_ret) {
	case CS_END_RESULTS:
		break;
	case CS_FAIL:
		fprintf(stderr, "ct_results() failed.\n");
		return 1;
		break;
	default:
		fprintf(stderr, "ct_results() unexpected return.\n");
		return 1;
	}
	if (verbose) {
		fprintf(stdout, "Trying logout\n");
	}

	ct_cmd_drop(cmd2);

	ret = try_ctlogout(ctx, conn, cmd, verbose);
	if (ret != CS_SUCCEED) {
		fprintf(stderr, "Logout failed\n");
		return 2;
	}

	if (verbose) {
		fprintf(stdout, "Test suceeded\n");
	}
	return 0;
}

static int
update_second_table(CS_COMMAND * cmd2, char *value)
{

	CS_RETCODE ret;
	CS_RETCODE results_ret;
	CS_INT result_type;
	CS_INT count, row_count = 0;
	CS_DATAFMT datafmt;
	CS_SMALLINT ind;
	CS_CHAR col1[6];
	CS_INT datalength;
	CS_CHAR text[128];

	sprintf(text, "update #test_table2 set col1 = '%s' ", value);
	ret = run_command(cmd2, text);
	if (ret != CS_SUCCEED)
		return 1;

	ret = ct_command(cmd2, CS_LANG_CMD, "select col1 from #test_table2", CS_NULLTERM, CS_UNUSED);
	if (ret != CS_SUCCEED) {
		fprintf(stderr, "ct_command() failed\n");
		return 1;
	}
	ret = ct_send(cmd2);
	if (ret != CS_SUCCEED) {
		fprintf(stderr, "ct_send() failed\n");
		return 1;
	}
	while ((results_ret = ct_results(cmd2, &result_type)) == CS_SUCCEED) {
		switch ((int) result_type) {
		case CS_CMD_SUCCEED:
			break;
		case CS_CMD_DONE:
			break;
		case CS_CMD_FAIL:
			fprintf(stderr, "ct_results() result_type CS_CMD_FAIL.\n");
			return 1;
		case CS_ROW_RESULT:
			datafmt.datatype = CS_CHAR_TYPE;
			datafmt.format = CS_FMT_NULLTERM;
			datafmt.maxlength = 6;
			datafmt.count = 1;
			datafmt.locale = NULL;
			ret = ct_bind(cmd2, 1, &datafmt, col1, &datalength, &ind);
			if (ret != CS_SUCCEED) {
				fprintf(stderr, "ct_bind() failed\n");
				return 1;
			}

			while (((ret = ct_fetch(cmd2, CS_UNUSED, CS_UNUSED, CS_UNUSED, &count)) == CS_SUCCEED)
			       || (ret == CS_ROW_FAIL)) {
				row_count += count;
				if (ret == CS_ROW_FAIL) {
					fprintf(stderr, "ct_fetch() CS_ROW_FAIL on row %d.\n", row_count);
					return 1;
				} else if (ret == CS_SUCCEED) {
					;
				} else {
					break;
				}
			}
			switch ((int) ret) {
			case CS_END_DATA:
				break;
			case CS_FAIL:
				fprintf(stderr, "ct_fetch() returned CS_FAIL.\n");
				return 1;
			default:
				fprintf(stderr, "ct_fetch() unexpected return.%d\n", ret);
				return 1;
			}
			break;
		case CS_COMPUTE_RESULT:
			fprintf(stderr, "ct_results() unexpected CS_COMPUTE_RESULT.\n");
			return 1;
		default:
			fprintf(stderr, "ct_results() unexpected result_type. %d\n", result_type);
			return 1;
		}
	}
	switch ((int) results_ret) {
	case CS_END_RESULTS:
		break;
	case CS_FAIL:
		fprintf(stderr, "ct_results() failed.\n");
		return 1;
		break;
	default:
		fprintf(stderr, "ct_results() unexpected return.\n");
		return 1;
	}
	return 0;
}