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fixed union types merging and table related metadata (BUG#8824)

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mysql-test/r/func_group.result:
  new result
mysql-test/r/metadata.result:
  new result
  test of metadata of variables, unions and derived tables
mysql-test/r/union.result:
  new results
  test of union of enum
mysql-test/t/metadata.test:
  test of metadata of variables, unions and derived tables
mysql-test/t/union.test:
  test of union of enum
sql/field.cc:
  Field type merging rules added
  Fixed table name/alias returting for field made from temporary tables
sql/field.h:
  removed unned field type reporting
sql/item.cc:
  fixed bug in NEW_DATE type field creartion
  replaced mechanism of merging types of UNION
sql/item.h:
  replaced mechanism of merging types of UNION
sql/item_func.h:
  new item type to make correct field type detection possible
sql/item_subselect.cc:
  added table name parameter to prepare() to show right table alias for derived tables
sql/sql_derived.cc:
  added table name parameter to prepare() to show right table alias for derived tables
sql/sql_lex.h:
  added table name parameter to prepare() to show right table alias for derived tables
sql/sql_parse.cc:
  made function for enum/set pack length calculation
sql/sql_prepare.cc:
  added table name parameter to prepare() to show right table alias for derived tables
sql/sql_select.cc:
  new temporary table field creation by Item_type_holder
  fixed table alias for temporary table
sql/sql_union.cc:
  added table name parameter to prepare() to show right table alias for derived tables
This commit is contained in:
unknown
2005-03-23 08:36:48 +02:00
parent 98eecc7b35
commit 5a42525027
17 changed files with 1171 additions and 424 deletions
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6
sql/sql_parse.cc
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@@ -4539,9 +4539,7 @@ bool add_field_to_list(THD *thd, char *field_name, enum_field_types type,
net_printf(thd,ER_TOO_BIG_SET,field_name); /* purecov: inspected */
DBUG_RETURN(1); /* purecov: inspected */
}
new_field->pack_length= (interval_list->elements + 7) / 8;
if (new_field->pack_length > 4)
new_field->pack_length=8;
new_field->pack_length= get_set_pack_length(interval_list->elements);
List_iterator<String> it(*interval_list);
String *tmp;
@@ -4558,7 +4556,7 @@ bool add_field_to_list(THD *thd, char *field_name, enum_field_types type,
case FIELD_TYPE_ENUM:
{
// Should be safe
new_field->pack_length= interval_list->elements < 256 ? 1 : 2;
new_field->pack_length= get_enum_pack_length(interval_list->elements);
List_iterator<String> it(*interval_list);
String *tmp;