after.sql

isucon · Aug 29, 2019 · e2bae95 · e2bae95
1 parent 8dd5f20
commit e2bae95
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/webapp/sql/after.sql b/webapp/sql/after.sql
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+-- mysql> alter table items add root_category_id int unsigned NOT NULL after category_id;
+-- Query OK, 0 rows affected (1.60 sec)
+-- Records: 0  Duplicates: 0  Warnings: 0
+-- mysql> update items i join categories c on i.category_id=c.id set i.root_category_id = c.parent_id;
+-- Query OK, 50162 rows affected (0.44 sec)
+-- Rows matched: 50162  Changed: 50162  Warnings: 0
+alter table items add root_category_id int unsigned NOT NULL after category_id;
+alter table items add index idx_root_category(root_category_id,created_at);
+update items i join categories c on i.category_id=c.id set i.root_category_id = c.parent_id;