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Post-merge fix.

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This commit is contained in:
igor@olga.mysql.com
2007-06-01 17:58:46 -07:00
parent 4bc1738be0
commit 5a5410e40e
1 changed files with 7 additions and 102 deletions
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109
sql/sql_view.cc
View File

@ -709,10 +709,11 @@ static int mysql_register_view(THD *thd, TABLE_LIST *view,
view->query.str= str.c_ptr_safe();
view->query.length= str.length();
view->source.str= thd->query + thd->lex->create_view_select_start;
view->source.length= skip_rear_comments((char *)view->source.str,
(char *)thd->query +
thd->query_length) -
view->source.str;
view->source.length= (char *)skip_rear_comments(thd->charset(),
(char *)view->source.str,
(char *)thd->query +
thd->query_length) -
view->source.str;
view->file_version= 1;
view->calc_md5(md5);
view->md5.str= md5;
@ -815,7 +816,7 @@ loop_out:
}
}
else
{
{
if (mode == VIEW_ALTER)
{
my_error(ER_NO_SUCH_TABLE, MYF(0), view->db, view->alias);
@ -824,103 +825,7 @@ loop_out:
}
}
}
/* fill structure */
view->query.str= (char*)str.ptr();
view->query.length= str.length()-1; // we do not need last \0
view->source.str= thd->query + thd->lex->create_view_select_start;
view->source.length= (char *)skip_rear_comments((char *)view->source.str,
(char *)thd->query +
thd->query_length) -
view->source.str;
view->file_version= 1;
view->calc_md5(md5);
view->md5.str= md5;
view->md5.length= 32;
can_be_merged= lex->can_be_merged();
if (lex->create_view_algorithm == VIEW_ALGORITHM_MERGE &&
!lex->can_be_merged())
{
push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, ER_WARN_VIEW_MERGE,
ER(ER_WARN_VIEW_MERGE));
lex->create_view_algorithm= VIEW_ALGORITHM_UNDEFINED;
}
view->algorithm= lex->create_view_algorithm;
view->definer.user= lex->definer->user;
view->definer.host= lex->definer->host;
view->view_suid= lex->create_view_suid;
view->with_check= lex->create_view_check;
if ((view->updatable_view= (can_be_merged &&
view->algorithm != VIEW_ALGORITHM_TMPTABLE)))
{
/* TODO: change here when we will support UNIONs */
for (TABLE_LIST *tbl= (TABLE_LIST *)lex->select_lex.table_list.first;
tbl;
tbl= tbl->next_local)
{
if ((tbl->view && !tbl->updatable_view) || tbl->schema_table)
{
view->updatable_view= 0;
break;
}
for (TABLE_LIST *up= tbl; up; up= up->embedding)
{
if (up->outer_join)
{
view->updatable_view= 0;
goto loop_out;
}
}
}
}
/* fill structure */
view->query.str= (char*)str.ptr();
view->query.length= str.length()-1; // we do not need last \0
view->source.str= thd->query + thd->lex->create_view_select_start;
view->source.length= (char *)skip_rear_comments(thd->charset(),
(char *)view->source.str,
(char *)thd->query +
thd->query_length) -
view->source.str;
view->file_version= 1;
view->calc_md5(md5);
view->md5.str= md5;
view->md5.length= 32;
can_be_merged= lex->can_be_merged();
if (lex->create_view_algorithm == VIEW_ALGORITHM_MERGE &&
!lex->can_be_merged())
{
push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, ER_WARN_VIEW_MERGE,
ER(ER_WARN_VIEW_MERGE));
lex->create_view_algorithm= VIEW_ALGORITHM_UNDEFINED;
}
view->algorithm= lex->create_view_algorithm;
view->definer.user= lex->definer->user;
view->definer.host= lex->definer->host;
view->view_suid= lex->create_view_suid;
view->with_check= lex->create_view_check;
if ((view->updatable_view= (can_be_merged &&
view->algorithm != VIEW_ALGORITHM_TMPTABLE)))
{
/* TODO: change here when we will support UNIONs */
for (TABLE_LIST *tbl= (TABLE_LIST *)lex->select_lex.table_list.first;
tbl;
tbl= tbl->next_local)
{
if ((tbl->view && !tbl->updatable_view) || tbl->schema_table)
{
view->updatable_view= 0;
break;
}
for (TABLE_LIST *up= tbl; up; up= up->embedding)
{
if (up->outer_join)
{
view->updatable_view= 0;
goto loop_out;
}
}
}
}
/*
Check that table of main select do not used in subqueries.