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Revert some changes back to look like 4.6 -- sj_on_expr is for semi join only. change back on_expr

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This commit is contained in:
David Hall
2016-05-03 14:20:48 -05:00
parent 4fbb4fee91
commit 8b22aa01f8
1 changed files with 6 additions and 6 deletions
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12
dbcon/mysql/ha_calpont_execplan.cpp
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@ -683,12 +683,12 @@ uint32_t buildOuterJoin(gp_walk_info& gwi, SELECT_LEX& select_lex)
#endif
expr->traverse_cond(gp_walk, &gwi_outer, Item::POSTFIX);
}
if (table_ptr->nested_join && &(table_ptr->nested_join->join_list))
else if (table_ptr->nested_join && &(table_ptr->nested_join->join_list))
{
buildNestedTableOuterJoin(gwi_outer, table_ptr);
}
// this part is ambiguous. Not quite sure how MySQL's lay out the outer join filters in the structure
if (table_ptr->embedding && table_ptr->embedding->outer_join && table_ptr->embedding->sj_on_expr)
else if (table_ptr->embedding && table_ptr->embedding->outer_join && table_ptr->embedding->on_expr)
{
// all the tables in nested_join are inner tables.
TABLE_LIST *table;
@ -707,7 +707,7 @@ uint32_t buildOuterJoin(gp_walk_info& gwi, SELECT_LEX& select_lex)
if (embeddingSet.find(table_ptr->embedding) != embeddingSet.end())
continue;
embeddingSet.insert(table_ptr->embedding);
Item_cond* expr = reinterpret_cast<Item_cond*>(table_ptr->embedding->sj_on_expr);
Item_cond* expr = reinterpret_cast<Item_cond*>(table_ptr->embedding->on_expr);
#ifdef DEBUG_WALK_COND
cout << "inner tables: " << endl;
@ -720,7 +720,7 @@ uint32_t buildOuterJoin(gp_walk_info& gwi, SELECT_LEX& select_lex)
expr->traverse_cond(gp_walk, &gwi_outer, Item::POSTFIX);
}
// @bug 2849
if (table_ptr->embedding && table_ptr->embedding->nested_join)
else if (table_ptr->embedding && table_ptr->embedding->nested_join)
{
// if this is dervied table process phase, mysql may have not developed the plan
// completely. Return and let it finish. It will come to rnd_init again.
@ -744,12 +744,12 @@ uint32_t buildOuterJoin(gp_walk_info& gwi, SELECT_LEX& select_lex)
TABLE_LIST* curr;
while ((curr = li++))
{
if (curr->sj_on_expr)
if (curr->on_expr)
{
if (!curr->outer_join) // only handle nested JOIN for now
{
gwi_outer.innerTables.clear();
Item_cond* expr = reinterpret_cast<Item_cond*>(curr->sj_on_expr);
Item_cond* expr = reinterpret_cast<Item_cond*>(curr->on_expr);
#ifdef DEBUG_WALK_COND
expr->traverse_cond(debug_walk, &gwi_outer, Item::POSTFIX);