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![]() This patch adds support for SYS_REFCURSOR (a weakly typed cursor) for both sql_mode=ORACLE and sql_mode=DEFAULT. Works as a regular stored routine variable, parameter and return value: - can be passed as an IN parameter to stored functions and procedures - can be passed as an OUT parameter to stored procedures - can be returned from a stored function Note, strongly typed REF CURSOR will be added separately. The implementation consists of the following parts: - A new class sp_cursor_array deriving from Dynamic_array - A new member THD::m_session_cursors of the sp_cursor_array data type. - A new data type handler Type_handler_sys_refcursor. It is designed to store an uint16 index - the position of the cursor in THD::m_session_cursors. - Type_handler_sys_refcursor suppresses some derived numeric features. When a SYS_REFCURSOR variable is used as an integer an error is raised. - A new abstract class sp_instr_fetch_cursor. It's needed to share the common code between "OPEN cur" (for static cursors) and "OPER cur FOR stmt" (for SYS_REFCURSORs). - New sp_instr classes: * sp_instr_copen_by_ref - OPEN sys_ref_curor FOR stmt; * sp_instr_cfetch_by_ref - FETCH sys_ref_cursor INTO targets; * sp_instr_cclose_by_ref - CLOSE sys_ref_cursor; - New methods in LEX: * sp_open_cursor_for_stmt - handles "OPER sys_ref_cursor FOR stmt". * sp_add_instr_fetch_cursor - "FETCH cur INTO targets" for both static cursors and SYS_REFCURSORs. * sp_close - handles "CLOSE cur" both for static cursors and SYS_REFCURSORs. - Changes in cursor functions to handle both static cursors and SYS_REFCURSORs: * Item_func_cursor_isopen * Item_func_cursor_found * Item_func_cursor_notfound * Item_func_cursor_rowcount - A new system variable @@max_open_cursors - to limit the number of cursors (static and SYS_REFCURSORs) opened at the same time. Its allowed range is [0-65536], with 50 by default. - A new virtual method Type_handler::can_return_bool() telling if Item::val_bool() can be used. - New methods in Sp_rcontext_handlers: * get_cursor() * get_cursor_by_ref() - A new class Sp_rcontext_handler_session to handle session-wide cursors |
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.. | ||
collections | ||
include | ||
lib | ||
main | ||
std_data | ||
suite | ||
asan.supp | ||
CMakeLists.txt | ||
dgcov.pl | ||
lsan.supp | ||
mariadb-stress-test.pl | ||
mariadb-test-run.pl | ||
mtr.out-of-source | ||
purify.supp | ||
README | ||
README-gcov | ||
README.stress | ||
suite.pm | ||
valgrind.supp |
This directory contains test suites for the MariaDB server. To run currently existing test cases, execute ./mysql-test-run in this directory. Some tests are known to fail on some platforms or be otherwise unreliable. In the file collections/smoke_test there is a list of tests that are expected to be stable. In general you do not have to have to do "make install", and you can have a co-existing MariaDB installation, the tests will not conflict with it. To run the tests in a source directory, you must do "make" first. In Red Hat distributions, you should run the script as user "mysql". The user is created with nologin shell, so the best bet is something like # su - # cd /usr/share/mariadb-test # su -s /bin/bash mysql -c ./mysql-test-run This will use the installed MariaDB executables, but will run a private copy of the server process (using data files within /usr/share/mariadb-test), so you need not start the mysqld service beforehand. You can omit --skip-test-list option if you want to check whether the listed failures occur for you. To clean up afterwards, remove the created "var" subdirectory, e.g. # su -s /bin/bash - mysql -c "rm -rf /usr/share/mariadb-test/var" If tests fail on your system, please read the following manual section for instructions on how to report the problem: https://mariadb.com/kb/en/reporting-bugs 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, you are expected to provide names of the tests to run. For example, here is the command to run the "alias" and "analyze" tests with an external server: # mariadb-test-run --extern socket=/tmp/mysql.sock alias analyze To match your setup, you might need to provide other relevant options. With no test names on the command line, mysql-test-run will attempt to execute the default set of tests, which will certainly fail, because many tests cannot run with an external server (they need to control the options with which the server is started, restart the server during execution, etc.) You can create your own test cases. To create a test case, create a new file in the main 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. 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 in your test case, you should create the result file as follows: # mariadb-test-run --record test_case_name or # mariadb-test --record < t/test_case_name.test If you only have a simple test case consisting of SQL statements and comments, you can create the result file in one of the following ways: # mariadb-test-run --record test_case_name # mariadb test < t/test_case_name.test > r/test_case_name.result # mariadb-test --record --database test --result-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. If you want to submit your test case you can send it to developers@lists.mariadb.org or attach it to a bug report on http://mariadb.org/jira/. If the test case is really big or if it contains 'not public' data, then 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://ftp.mariadb.org/private and submit a report to https://mariadb.org/jira about it. The latest information about mysql-test-run can be found at: https://mariadb.com/kb/en/mariadb/mysqltest/ If you want to create .rdiff files, check https://mariadb.com/kb/en/mariadb/mysql-test-auxiliary-files/