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fix avoid vsnprintf generates wrong result when there is '%' in format string in parser

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This commit is contained in:
wangt1xiuyi
2023-07-17 08:23:46 +00:00
committed by ob-robot
parent 1ff9145b7f
commit 47271366e4
1 changed files with 7 additions and 1 deletions
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8
src/sql/parser/sql_parser_mysql_mode.y
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@ -18472,7 +18472,13 @@ void yyerror(void *yylloc, ParseResult *p, char *s, ...)
p->result_tree_ = 0;
va_list ap;
va_start(ap, s);
vsnprintf(p->error_msg_, MAX_ERROR_MSG, s, ap);
char *escaped_s = NULL;
ESCAPE_PERCENT(p, s, escaped_s);
if (OB_NOT_NULL(escaped_s)) {
vsnprintf(p->error_msg_, MAX_ERROR_MSG, escaped_s, ap);
} else {
vsnprintf(p->error_msg_, MAX_ERROR_MSG, s, ap);
}
if (OB_LIKELY(NULL != yylloc)) {
YYLTYPE *yylloc_pointer = (YYLTYPE *)yylloc;
if (OB_LIKELY(NULL != p->input_sql_) && p->input_sql_[yylloc_pointer->first_column - 1] != '\'') {