Shadow

ADD RESOURCE ds_0 (
HOST=127.0.0.1,
PORT=3306,
DB=ds_0,
USER=root,
PASSWORD=root
),ds_1 (
HOST=127.0.0.1,
PORT=3306,
DB=ds_1,
USER=root,
PASSWORD=root
),ds_2 (
HOST=127.0.0.1,
PORT=3306,
DB=ds_2,
USER=root,
PASSWORD=root
);

CREATE SHADOW RULE group_0(
SOURCE=ds_0,
SHADOW=ds_1,
t_order((simple_note_algorithm, TYPE(NAME=SIMPLE_HINT, PROPERTIES("foo"="bar"))),(TYPE(NAME=REGEX_MATCH, PROPERTIES("operation"="insert","column"="user_id", "regex"='[1]')))), 
t_order_item((TYPE(NAME=SIMPLE_HINT, PROPERTIES("foo"="bar")))));

ALTER SHADOW RULE group_0(
SOURCE=ds_0,
SHADOW=ds_2,
t_order_item((TYPE(NAME=SIMPLE_HINT, PROPERTIES("foo"="bar")))));

DROP SHADOW RULE group_0;

DROP RESOURCE ds_0,ds_1,ds_2;

DROP DATABASE foo_db;