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Bug #26817: mysqldump fails to backup database containing view with invalid definer

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give some leeway on required permissions for SHOW FIELDS on views so
an unknonwn DEFINER will no longer break mysqldump
This commit is contained in:
tnurnberg@sin.intern.azundris.com
2007-03-23 19:24:03 +01:00
parent e84584e2e3
commit 7c63826894
8 changed files with 182 additions and 14 deletions
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27
sql/sql_base.cc
View File

@ -3573,14 +3573,35 @@ find_field_in_tables(THD *thd, Item_ident *item,
{
Field *cur_field= find_field_in_table_ref(thd, cur_table, name, length,
item->name, db, table_name, ref,
check_privileges, allow_rowid,
check_privileges,
allow_rowid,
&(item->cached_field_index),
register_tree_change,
&actual_table);
if (cur_field)
{
if (cur_field == WRONG_GRANT)
return (Field*) 0;
{
if (thd->lex->sql_command != SQLCOM_SHOW_FIELDS)
return (Field*) 0;
thd->clear_error();
cur_field= find_field_in_table_ref(thd, cur_table, name, length,
item->name, db, table_name, ref,
false,
allow_rowid,
&(item->cached_field_index),
register_tree_change,
&actual_table);
if (cur_field)
{
Field *nf=new Field_null(NULL,0,Field::NONE,
cur_field->field_name,
cur_field->table,
&my_charset_bin);
cur_field= nf;
}
}
/*
Store the original table of the field, which may be different from
@ -3603,7 +3624,7 @@ find_field_in_tables(THD *thd, Item_ident *item,
report_error == IGNORE_EXCEPT_NON_UNIQUE)
my_error(ER_NON_UNIQ_ERROR, MYF(0),
table_name ? item->full_name() : name, thd->where);
return (Field*) 0;
return (Field*) 0;
}
found= cur_field;
}