游标使用 本页介绍天翼云TeleDB数据库的游标使用方法。 环境准备 drop table if exists bills ; create table bills ( id serial not null, goodsdesc text not null, beginunit text not null, begincity text not null, pubtime timestamp not null, amount float8 not null default 0, primary key (id) ) distribute by shard(id) to group defaultgroup; COMMENT ON TABLE bills is '运单记录'; COMMENT ON COLUMN bills.id IS 'id号'; COMMENT ON COLUMN bills.goodsdesc IS '货物名称'; COMMENT ON COLUMN bills.beginunit IS '启运省份'; COMMENT ON COLUMN bills.begincity IS '启运城市'; COMMENT ON COLUMN bills.pubtime IS '发布时间'; COMMENT ON COLUMN bills.amount IS '运费'; INSERT INTO bills(id,goodsdesc,beginunit,begincity,pubtime,amount) VALUES(default,'衣服','海南省','三亚市','20151005 09:32:01',ROUND((random()10000)::NUMERIC,2)); INSERT INTO bills(id,goodsdesc,beginunit,begincity,pubtime,amount) VALUES(default,'建筑设备','福建省','三明市','20151005 07:21:22',ROUND((random()10000)::NUMERIC,2)); INSERT INTO bills(id,goodsdesc,beginunit,begincity,pubtime,amount) VALUES(default,'设备','福建省','三明市','20151005 11:21:54',ROUND((random()10000)::NUMERIC,2)); INSERT INTO bills(id,goodsdesc,beginunit,begincity,pubtime,amount) VALUES(default,'普货','福建省','三明市','20151005 15:19:17',ROUND((random()10000)::NUMERIC,2)); INSERT INTO bills(id,goodsdesc,beginunit,begincity,pubtime,amount) VALUES(default,'5 0铲车,后八轮翻斗车','河南省','三门峡市','20151005 07:53:13',ROUND((random()10000)::NUMERIC,2)); INSERT INTO bills(id,goodsdesc,beginunit,begincity,pubtime,amount) VALUES(default,'鲜香菇2000斤','河南省','三门峡市','20151005 10:38:29',ROUND((random()10000)::NUMERIC,2)); INSERT INTO bills(id,goodsdesc,beginunit,begincity,pubtime,amount) VALUES(default,'旋挖附件38吨','河南省','三门峡市','20151005 10:48:38',ROUND((random()10000)::NUMERIC,2)); INSERT INTO bills(id,goodsdesc,beginunit,begincity,pubtime,amount) VALUES(default,'旋挖附件35吨','河南省','三门峡市','20151005 10:48:38',ROUND((random()10000)::NUMERIC,2)); INSERT INTO bills(id,goodsdesc,beginunit,begincity,pubtime,amount) VALUES(default,'旋挖附件39吨','河南省','三门峡市','20151005 11:38:38',ROUND((random()10000)::NUMERIC,2)); INSERT INTO bills(id,goodsdesc,beginunit,begincity,pubtime,amount) VALUES(default,'设备','上海市','上海市','20151005 07:59:35',ROUND((random()10000)::NUMERIC,2)); INSERT INTO bills(id,goodsdesc,beginunit,begincity,pubtime,amount) VALUES(default,'普货40吨需13米半挂一辆','上海市','上海市','20151005 08:13:59',ROUND((random()10000)::NUMERIC,2));