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mysqlbinlog: safety measures (safe setting for completion_type,

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auto-end-rollback in case crashed binlog) which cannot hurt.
This commit is contained in:
guilhem@mysql.com
2005-02-23 19:18:14 +01:00
parent 66daa0d2bd
commit 69fb5af28a
1 changed files with 15 additions and 0 deletions
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15
client/mysqlbinlog.cc
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@ -1249,6 +1249,14 @@ int main(int argc, char** argv)
fprintf(result_file, fprintf(result_file,
"/*!32316 SET @OLD_SQL_LOG_BIN=@@SQL_LOG_BIN, SQL_LOG_BIN=0*/;\n"); "/*!32316 SET @OLD_SQL_LOG_BIN=@@SQL_LOG_BIN, SQL_LOG_BIN=0*/;\n");
/*
In mysqlbinlog|mysql, don't want mysql to be disconnected after each
transaction (which would be the case with GLOBAL.COMPLETION_TYPE==2).
*/
fprintf(result_file,
"/*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,"
"COMPLETION_TYPE=0*/;\n");
for (save_stop_position= stop_position, stop_position= ~(my_off_t)0 ; for (save_stop_position= stop_position, stop_position= ~(my_off_t)0 ;
(--argc >= 0) && !stop_passed ; ) (--argc >= 0) && !stop_passed ; )
{ {
@ -1263,6 +1271,13 @@ int main(int argc, char** argv)
start_position= BIN_LOG_HEADER_SIZE; start_position= BIN_LOG_HEADER_SIZE;
} }
/*
Issue a ROLLBACK in case the last printed binlog was crashed and had half
of transaction.
*/
fprintf(result_file,
"ROLLBACK;\n"
"/*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;\n");
if (disable_log_bin) if (disable_log_bin)
fprintf(result_file, "/*!32316 SET SQL_LOG_BIN=@OLD_SQL_LOG_BIN*/;\n"); fprintf(result_file, "/*!32316 SET SQL_LOG_BIN=@OLD_SQL_LOG_BIN*/;\n");