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Fix for bug#13818 SHOW CREATE VIEW / TABLE and information_schema.views fail

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for invalid view
 Permit SHOW CREATE VIEW, SHOW CREATE TABLE, and retrieval of metadata from
 information_schema for invalid views
This commit is contained in:
gluh@eagle.intranet.mysql.r18.ru
2005-11-11 13:39:46 +04:00
parent b13dd4ff72
commit 7803d80aa4
3 changed files with 62 additions and 35 deletions
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81
sql/sql_show.cc
View File

@@ -362,7 +362,21 @@ mysqld_show_create(THD *thd, TABLE_LIST *table_list)
/* Only one table for now, but VIEW can involve several tables */
if (open_normal_and_derived_tables(thd, table_list, 0))
DBUG_RETURN(TRUE);
{
if (!table_list->view || thd->net.last_errno != ER_VIEW_INVALID)
DBUG_RETURN(TRUE);
/*
Clear all messages with 'error' level status and
issue a warning with 'warning' level status in
case of invalid view and last error is ER_VIEW_INVALID
*/
mysql_reset_errors(thd, true);
push_warning_printf(thd,MYSQL_ERROR::WARN_LEVEL_WARN,
ER_VIEW_INVALID,
ER(ER_VIEW_INVALID),
table_list->view_db.str,
table_list->view_name.str);
}
/* TODO: add environment variables show when it become possible */
if (thd->lex->only_view && !table_list->view)
@@ -2992,47 +3006,44 @@ static int get_schema_views_record(THD *thd, struct st_table_list *tables,
DBUG_ENTER("get_schema_views_record");
char definer[HOSTNAME_LENGTH + USERNAME_LENGTH + 2];
uint definer_len;
if (!res)
if (tables->view)
{
if (tables->view)
restore_record(table, s->default_values);
table->field[1]->store(tables->view_db.str, tables->view_db.length, cs);
table->field[2]->store(tables->view_name.str, tables->view_name.length,
cs);
table->field[3]->store(tables->query.str, tables->query.length, cs);
if (tables->with_check != VIEW_CHECK_NONE)
{
restore_record(table, s->default_values);
table->field[1]->store(tables->view_db.str, tables->view_db.length, cs);
table->field[2]->store(tables->view_name.str, tables->view_name.length,
cs);
table->field[3]->store(tables->query.str, tables->query.length, cs);
if (tables->with_check != VIEW_CHECK_NONE)
{
if (tables->with_check == VIEW_CHECK_LOCAL)
table->field[4]->store(STRING_WITH_LEN("LOCAL"), cs);
else
table->field[4]->store(STRING_WITH_LEN("CASCADED"), cs);
}
if (tables->with_check == VIEW_CHECK_LOCAL)
table->field[4]->store(STRING_WITH_LEN("LOCAL"), cs);
else
table->field[4]->store(STRING_WITH_LEN("NONE"), cs);
if (tables->updatable_view)
table->field[5]->store(STRING_WITH_LEN("YES"), cs);
else
table->field[5]->store(STRING_WITH_LEN("NO"), cs);
definer_len= (strxmov(definer, tables->definer.user.str, "@",
tables->definer.host.str, NullS) - definer);
table->field[6]->store(definer, definer_len, cs);
if (tables->view_suid)
table->field[7]->store(STRING_WITH_LEN("DEFINER"), cs);
else
table->field[7]->store(STRING_WITH_LEN("INVOKER"), cs);
DBUG_RETURN(schema_table_store_record(thd, table));
table->field[4]->store(STRING_WITH_LEN("CASCADED"), cs);
}
}
else
{
if (tables->view)
else
table->field[4]->store(STRING_WITH_LEN("NONE"), cs);
if (tables->updatable_view)
table->field[5]->store(STRING_WITH_LEN("YES"), cs);
else
table->field[5]->store(STRING_WITH_LEN("NO"), cs);
definer_len= (strxmov(definer, tables->definer.user.str, "@",
tables->definer.host.str, NullS) - definer);
table->field[6]->store(definer, definer_len, cs);
if (tables->view_suid)
table->field[7]->store(STRING_WITH_LEN("DEFINER"), cs);
else
table->field[7]->store(STRING_WITH_LEN("INVOKER"), cs);
if (schema_table_store_record(thd, table))
DBUG_RETURN(1);
if (res)
push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
thd->net.last_errno, thd->net.last_error);
thd->clear_error();
}
if (res)
thd->clear_error();
DBUG_RETURN(0);
}