modify purchase price sql

tmp.sql

@@ -28,3 +28,4 @@ select resp_body_msg from lie_shop_push_sku_log where apply_id = '' limit 1;
 alter table lie_shop_picture add column lie_pdf varchar(255) default '' not null comment '猎芯pdf链接';
 alter table lie_shop_picture add column jd_pdf  varchar(255) default '' not null comment '京东pdf链接';
 
+alter table lie_shop_sku modify column cost_price decimal(10, 4) unsigned default 0.0000 not null comment '采购价，或成本价';
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