Authored by 马力

Update staging.md

alter table yh_shops.product add column instalment_id int(11) unsigned not null DEFAULT 0 comment '分期付款活动促销ID';
alter table yh_shops.product add column `is_instalment` enum('Y','N') DEFAULT 'N' comment '是否支持分期';
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alter table yh_shops.product add column `is_instalment` enum('1','0') not null DEFAULT '0' comment '是否支持分期';
\ No newline at end of file
... ...