随笔

Postgresql

SQL

插入数据时忽略冲突

insert into table values (xx,xx) CONFLICT(fieldname) do nothing;

索引

-- 创建索引
CREATE SEQUENCE test_c_id_seq
    START WITH 1
    INCREMENT BY 1
    NO MINVALUE
    NO MAXVALUE
    CACHE 1;
-- 索引授权
GRANT USAGE, SELECT ON SEQUENCE t_account_application_patch_log_id_seq TO user;

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