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A fix and a test case for Bug#13587 "Server crash when SP is created

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without database"
This commit is contained in:
konstantin@mysql.com
2005-10-19 14:46:32 +04:00
parent 867e790dc8
commit bee76b78a2
3 changed files with 58 additions and 7 deletions
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36
sql/sql_parse.cc
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@@ -4068,6 +4068,19 @@ end_with_restore_list:
DBUG_ASSERT(lex->sphead != 0);
if (!lex->sphead->m_db.str || !lex->sphead->m_db.str[0])
{
if (! thd->db)
{
my_message(ER_NO_DB_ERROR, ER(ER_NO_DB_ERROR), MYF(0));
delete lex->sphead;
lex->sphead= 0;
goto error;
}
lex->sphead->m_db.length= strlen(thd->db);
lex->sphead->m_db.str= thd->db;
}
if (check_access(thd, CREATE_PROC_ACL, lex->sphead->m_db.str, 0, 0, 0,
is_schema_db(lex->sphead->m_db.str)))
{
@@ -4077,13 +4090,10 @@ end_with_restore_list:
}
if (end_active_trans(thd))
goto error;
if (!lex->sphead->m_db.str || !lex->sphead->m_db.str[0])
{
lex->sphead->m_db.length= strlen(thd->db);
lex->sphead->m_db.str= strmake_root(thd->mem_root, thd->db,
lex->sphead->m_db.length);
delete lex->sphead;
lex->sphead= 0;
goto error;
}
name= lex->sphead->name(&namelen);
@@ -4110,11 +4120,23 @@ end_with_restore_list:
goto error;
}
/*
We need to copy name and db in order to use them for
check_routine_access which is called after lex->sphead has
been deleted.
*/
name= thd->strdup(name);
db= thd->strmake(lex->sphead->m_db.str, lex->sphead->m_db.length);
lex->sphead->m_db.str= db= thd->strmake(lex->sphead->m_db.str,
lex->sphead->m_db.length);
res= (result= lex->sphead->create(thd));
if (result == SP_OK)
{
/*
We must cleanup the unit and the lex here because
sp_grant_privileges calls (indirectly) db_find_routine,
which in turn may call yyparse with THD::lex.
TODO: fix db_find_routine to use a temporary lex.
*/
lex->unit.cleanup();
delete lex->sphead;
lex->sphead= 0;