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merge

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sql/mysqld.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
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2000-08-29 12:56:57 +03:00
parent 99a70d04c7 52046a7ba3
commit c9ed6ae4cc
33 changed files with 909 additions and 211 deletions
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8
sql/sql_select.cc
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@@ -800,6 +800,14 @@ make_join_statistics(JOIN *join,TABLE_LIST *tables,COND *conds,
if ((s->on_expr=tables->on_expr))
{
// table->maybe_null=table->outer_join=1; // Mark for send fields
if (!table->file->records)
{ // Empty table
s->key_dependent=s->dependent=0;
s->type=JT_SYSTEM;
const_table_map|=table->map;
set_position(join,const_count++,s,(KEYUSE*) 0);
continue;
}
s->key_dependent=s->dependent=
s->on_expr->used_tables() & ~(table->map);
s->dependent|=stat_vector[i-1]->dependent | table_vector[i-1]->map;