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28 lines
1.2 KiB
Plaintext
28 lines
1.2 KiB
Plaintext
USE tpch1;
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drop table if exists product;
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drop table if exists product_tag;
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create table product_tag (product_id bigint)engine=columnstore;
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CREATE TABLE `product` (
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`product_id` bigint(20) DEFAULT NULL,
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`price` bigint(20) DEFAULT NULL,
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`short_description` varchar(7998) DEFAULT NULL,
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`brand` varchar(254) DEFAULT NULL,
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`modified_dtm` datetime DEFAULT NULL,
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`created_dtm` datetime DEFAULT NULL,
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`modified_by` int(11) DEFAULT NULL
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) engine=columnstore DEFAULT CHARSET=latin1 ;
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insert into product_tag values (1),(2),(3),(4);
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insert into product values (1,22,'fes','rets','2011-12-12 12:12:12','2011-12-13 1:1:10',343);
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insert into product values (3,22,'fes','rets','2011-12-12 12:12:12','2011-12-13 1:1:10',343);
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update
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product p join
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(select product_id from product_tag limit 1000) t using (product_id)
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set brand=p.product_id, price=555, modified_dtm='2011-12-15 15:15:30',
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short_description=concat(short_description,modified_by);
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select * from product;
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product_id price short_description brand modified_dtm created_dtm modified_by
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1 555 fes343 1 2011-12-15 15:15:30 2011-12-13 01:01:10 343
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3 555 fes343 3 2011-12-15 15:15:30 2011-12-13 01:01:10 343
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drop table product;
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drop table product_tag;
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