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merge

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This commit is contained in:
Sergei Golubchik
2012-04-07 15:58:46 +02:00
parent b43494620f b95ae56b9f
commit f860b2aad4
47 changed files with 662 additions and 245 deletions
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8
sql/table.h
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@@ -1574,6 +1574,8 @@ struct TABLE_LIST
/* If this is a non-jtbm semi-join nest: corresponding subselect predicate */
Item_in_subselect *sj_subq_pred;
table_map original_subq_pred_used_tables;
/* If this is a jtbm semi-join object: corresponding subselect predicate */
Item_in_subselect *jtbm_subselect;
/* TODO: check if this can be joined with tablenr_exec */
@@ -1853,7 +1855,13 @@ struct TABLE_LIST
/* TRUE <=> don't prepare this derived table/view as it should be merged.*/
bool skip_prepare_derived;
/*
Items created by create_view_field and collected to change them in case
of materialization of the view/derived table
*/
List<Item> used_items;
/* Sublist (tail) of persistent used_items */
List<Item> persistent_used_items;
Item **materialized_items;
/* View creation context. */