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Merge abotchkov@bk-internal.mysql.com:/home/bk/mysql-4.1

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into deer.(none):/home/hf/work/mysql-4.1.2208


sql/sql_parse.cc:
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unknown
2004-02-11 16:36:33 +04:00
parent e5c142a412 e2f0e8f2dc
commit 861d3f4152
7 changed files with 212 additions and 146 deletions
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18
sql/sql_parse.cc
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@@ -3854,7 +3854,23 @@ mysql_parse(THD *thd, char *inBuf, uint length)
if (query_cache_send_result_to_client(thd, inBuf, length) <= 0)
{
LEX *lex=lex_start(thd, (uchar*) inBuf, length);
if (!yyparse((void *)thd) && ! thd->is_fatal_error)
if (!yyparse((void *)thd) && ! thd->is_fatal_error &&
/*
If this is not a multiple query, ensure that it has been
successfully parsed until the last character. This is to prevent
against a wrong (too big) length passed to mysql_real_query(),
mysql_prepare()... which can generate garbage characters at the
end. If the query was initially multiple, found_colon will be false
only when we are in the last query; this last query had already
been end-spaces-stripped by alloc_query() in dispatch_command(); as
end spaces are the only thing we accept at the end of a query, and
they have been stripped already, here we can require that nothing
remains after parsing.
*/
(thd->lex->found_colon ||
(char*)(thd->lex->ptr) == (thd->query+thd->query_length+1) ||
/* yyerror() will show the garbage chars to the user */
(yyerror("syntax error"), 0)))
{
#ifndef NO_EMBEDDED_ACCESS_CHECKS
if (mqh_used && thd->user_connect &&