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Don't forget to set thd->lex->unit.insert_table_with_stored_vcol in the mysql_load(). Othewise virtual columns will not be updated.
20 lines
724 B
Text
20 lines
724 B
Text
create table t1 ( c1 varchar(10), c2 varchar(10), c3 int );
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insert into t1 values ("a" , "b", 1), ("a" , "b", 2);
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create table t2 like t1 ;
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alter table t2 add column c4 bigint unsigned as (CONV(LEFT(MD5(concat(c1,c2,c3)), 16), 16, 10)) persistent unique key;
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select * into outfile 't1.csv' from t1;
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load data infile 't1.csv' into table t2 ;
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Warnings:
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Warning 1261 Row 1 doesn't contain data for all columns
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Warning 1261 Row 2 doesn't contain data for all columns
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select * from t2;
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c1 c2 c3 c4
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a b 1 7545402351885872315
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a b 2 6048842355806993119
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insert into t2 (c1,c2,c3) values ("a" , "b", 4);
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select * from t2;
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c1 c2 c3 c4
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a b 1 7545402351885872315
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a b 2 6048842355806993119
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a b 4 15541743660496249717
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drop table t1, t2;
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