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Code Activity

supported possiblity of item substitute (fixed bug) in setup_fields

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more efficient reference creation
fixed table_name of Field in temporary table


mysql-test/r/subselect.result:
  test of 2 references bugs
mysql-test/t/subselect.test:
  test of 2 references bugs
sql/field.h:
  fixed layout
  fixed table name of fields of temporary table (derived table)
sql/item.cc:
  more efficient reference creation
sql/sql_base.cc:
  fixed layout
  supported possiblity of item substitute (fixed bug)
This commit is contained in:
unknown
2002-11-25 01:38:56 +02:00
parent 06e647472f
commit b5b19a7877
5 changed files with 23 additions and 6 deletions
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8
sql/field.h
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@ -126,10 +126,12 @@ public:
Field *tmp= (Field*) memdup_root(root,(char*) this,size_of());
if (tmp)
{
tmp->table=new_table;
tmp->key_start=tmp->part_of_key=tmp->part_of_sortkey=0;
tmp->table= new_table;
tmp->key_start= tmp->part_of_key= tmp->part_of_sortkey= 0;
tmp->unireg_check=Field::NONE;
tmp->flags&= (NOT_NULL_FLAG | BLOB_FLAG | UNSIGNED_FLAG | ZEROFILL_FLAG | ENUM_FLAG | SET_FLAG);
tmp->flags&= (NOT_NULL_FLAG | BLOB_FLAG | UNSIGNED_FLAG |
ZEROFILL_FLAG | ENUM_FLAG | SET_FLAG);
tmp->table_name= new_table->table_name;
tmp->reset_fields();
}
return tmp;