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MDEV-10141: Add support for INTERSECT (and common parts for EXCEPT)

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MDEV-10140: Add support for EXCEPT
This commit is contained in:
Oleksandr Byelkin
2017-03-14 11:52:00 +01:00
parent e43156e1a6
commit 05d3c3d3f7
93 changed files with 3155 additions and 900 deletions
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6
sql/sql_cursor.cc
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@ -68,13 +68,13 @@ public:
create a Materialized_cursor.
*/
class Select_materialize: public select_union
class Select_materialize: public select_unit
{
select_result *result; /**< the result object of the caller (PS or SP) */
public:
Materialized_cursor *materialized_cursor;
Select_materialize(THD *thd_arg, select_result *result_arg):
select_union(thd_arg), result(result_arg), materialized_cursor(0) {}
select_unit(thd_arg), result(result_arg), materialized_cursor(0) {}
virtual bool send_result_set_metadata(List<Item> &list, uint flags);
bool send_eof()
{
@ -436,7 +436,7 @@ bool Select_materialize::send_result_set_metadata(List<Item> &list, uint flags)
if (create_result_table(unit->thd, unit->get_column_types(true),
FALSE,
thd->variables.option_bits | TMP_TABLE_ALL_COLUMNS,
"", FALSE, TRUE, TRUE))
"", FALSE, TRUE, TRUE, 0))
return TRUE;
materialized_cursor= new (&table->mem_root)