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MDEV-17096 Pushdown of simple derived tables to storage engines

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Resolved the problem of forming a proper query string for FEDERATEDX.
Added test cases.

Cleanup of extra spaces.
This commit is contained in:
Igor Babaev
2019-02-09 22:54:26 -08:00
parent 3f9040085a
commit d11be23933
14 changed files with 233 additions and 67 deletions
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6
sql/sql_explain.cc
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@ -339,7 +339,7 @@ int print_explain_row(select_result_sink *result,
if (!select_type[0])
return 0;
item_list.push_back(new (mem_root) Item_int(thd, (int32) select_number),
mem_root);
item_list.push_back(new (mem_root) Item_string_sys(thd, select_type),
@ -756,7 +756,7 @@ int Explain_select::print_explain(Explain_query *query,
{
print_explain_message_line(output, explain_flags, is_analyze,
select_id /*select number*/,
select_type,
select_type,
NULL, /* rows */
NULL);
}
@ -1225,7 +1225,7 @@ int Explain_table_access::print_explain(select_result_sink *output, uint8 explai
{
THD *thd= output->thd;
MEM_ROOT *mem_root= thd->mem_root;
List<Item> item_list;
Item *item_null= new (mem_root) Item_null(thd);