simonkoson
10 lines
526 B
SQL
10 lines
526 B
SQL
-- ============================================================
|
|
-- 002c_recreate_index_only.sql
|
|
-- 002b 跑半截翻车后补救：只执行 CREATE INDEX，不要再 DROP CONSTRAINT
|
|
-- 执行方式: psql -U postgres -d milsci_dev -f sql/002c_recreate_index_only.sql
|
|
-- 前置条件：先设 $env:PGCLIENTENCODING="UTF8"
|
|
-- ============================================================
|
|
|
|
CREATE UNIQUE INDEX idx_episodes_year_number
|
|
ON episodes (date_part('year', air_date), episode_number)
|
|
WHERE original_episode_id IS NULL; |