test: add generated column

Author: Shlomi Noach

localtests/generated-columns-add57/create.sql

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+drop table if exists gh_ost_test;
+create table gh_ost_test (
+  id int auto_increment,
+  a int not null,
+  b int not null,
+  primary key(id)
+) auto_increment=1;
+
+drop event if exists gh_ost_test;
+delimiter ;;
+create event gh_ost_test
+  on schedule every 1 second
+  starts current_timestamp
+  ends current_timestamp + interval 60 second
+  on completion not preserve
+  enable
+  do
+begin
+  insert into gh_ost_test (id, a, b) values (null, 2,3);
+  insert into gh_ost_test (id, a, b) values (null, 2,4);
+  insert into gh_ost_test (id, a, b) values (null, 2,5);
+  insert into gh_ost_test (id, a, b) values (null, 2,6);
+  insert into gh_ost_test (id, a, b) values (null, 2,7);
+  insert into gh_ost_test (id, a, b) values (null, 2,8);
+  insert into gh_ost_test (id, a, b) values (null, 2,9);
+  insert into gh_ost_test (id, a, b) values (null, 2,0);
+  insert into gh_ost_test (id, a, b) values (null, 2,1);
+  insert into gh_ost_test (id, a, b) values (null, 2,2);
+end ;;

localtests/generated-columns-add57/extra_args

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+--alter="add column sum_ab int as (a + b) virtual not null"

localtests/generated-columns-add57/ghost_columns

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+id, a, b

localtests/generated-columns-add57/ignore_versions

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+(5.5|5.6)

localtests/generated-columns-add57/order_by

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+id

localtests/generated-columns-add57/orig_columns

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+id, a, b