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A fix and a test case for Bug#34898 "mysql_info() reports 0 warnings while mysql_warning_count() reports 1" Review the patch by Chad Miller, implement review comments (since Chad left) and push the patch. This bug is actually not a bug. At least according to Monty. See Bug#841 "wrong number of warnings" reported back in July 2003 and closed as "not a bug". mysql_info() was printing the number of truncated columns, not the number of warnings. But since the message of mysql_info() was "Warnings: <number of truncated columns>", people would expect to get the number of warnings in it, not the number of truncated columns. So a possible fix would be to change the message of mysql_info() to say Rows changed: <n>, truncated: <m>. Instead, put the number of warnings there. That is, remove the feature that thd->cuted_fields (the number of truncated fields) is exposed to the client. The number of truncated columns can be calculated on the client, by analyzing SHOW WARNINGS output, and in future we may remove thd->cuted_fields altogether. So let's have one less thing to worry about. client/mysqltest.cc: Fix a bug in mysqltest program which used to return a wrong number of affected rows in ps-protocol, and a wrong mysql_info() information in both protocols in presence of warnings. mysql-test/r/insert.result: Update results (Bug#34898) mysql-test/suite/rpl/r/rpl_udf.result: Update to the changed output of mysqltest: mysql_info() is now printed before warnings. mysql-test/t/insert.test: Add a test case for Bug#34898. sql/sql_table.cc: A fix for Bug#34898 - report statement warn count, not the number of truncated values in mysql_info(). sql/sql_update.cc: A fix for Bug#34898 - report statement warn count, not the number of truncated values in mysql_info(). |
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| suite | ||
| t | ||
| Makefile.am | ||
| mysql-stress-test.pl | ||
| mysql-test-run.pl | ||
| purify.supp | ||
| README | ||
| README.gcov | ||
| README.stress | ||
| valgrind.supp | ||
This directory contains a test suite for the MySQL daemon. To run the currently existing test cases, simply execute ./mysql-test-run in this directory. It will fire up the newly built mysqld and test it. Note that you do not have to have to do "make install", and you could actually have a co-existing MySQL installation. The tests will not conflict with it. All tests must pass. If one or more of them fail on your system, please read the following manual section for instructions on how to report the problem: http://dev.mysql.com/doc/mysql/en/mysql-test-suite.html If you want to use an already running MySQL server for specific tests, use the --extern option to mysql-test-run. Please note that in this mode, the test suite expects you to provide the names of the tests to run. For example, here is the command to run the "alias" and "analyze" tests with an external server: mysql-test-run --extern alias analyze To match your setup, you might also need to provide --socket, --user, and other relevant options. With no test cases named on the command line, mysql-test-run falls back to the normal "non-extern" behavior. The reason for this is that some tests cannot run with an external server. You can create your own test cases. To create a test case, create a new file in the t subdirectory using a text editor. The file should have a .test extension. For example: xemacs t/test_case_name.test In the file, put a set of SQL statements that create some tables, load test data, and run some queries to manipulate it. We would appreciate it if you name your test tables t1, t2, t3 ... (to not conflict too much with existing tables). Your test should begin by dropping the tables you are going to create and end by dropping them again. This ensures that you can run the test over and over again. If you are using mysqltest commands (like result file names) in your test case, you should create the result file as follows: mysql-test-run --record test_case_name or mysqltest --record < t/test_case_name.test If you only have a simple test cases consisting of SQL statements and comments, you can create the test case in one of the following ways: mysql-test-run --record test_case_name mysql test < t/test_case_name.test > r/test_case_name.result mysqltest --record --record-file=r/test_case_name.result < t/test_case_name.test When this is done, take a look at r/test_case_name.result - If the result is incorrect, you have found a bug. In this case, you should edit the test result to the correct results so that we can verify that the bug is corrected in future releases. To submit your test case, put your .test file and .result file(s) into a tar.gz archive, add a README that explains the problem, ftp the archive to ftp://support.mysql.com/pub/mysql/secret/ and send a mail to bugs@lists.mysql.com