Check out example codes for "geo-partitioning cockroachdb". It will help you in understanding the concepts better.

Code Example 1

#Geo-Partitioning
#execute below query from same machines Windows/Linux

cockroach start --insecure --locality=country=us,region=us-east --store=node1 --listen-addr=localhost:26257 --http-addr=localhost:8080 --join=localhost:26257,localhost:26258,localhost:26259
cockroach start --insecure --locality=country=us,region=us-east --store=node2 --listen-addr=localhost:26258 --http-addr=localhost:8081 --join=localhost:26257,localhost:26258,localhost:26259
cockroach start --insecure --locality=country=us,region=us-east --store=node3 --listen-addr=localhost:26259 --http-addr=localhost:8082 --join=localhost:26257,localhost:26258,localhost:26259
cockroach start --insecure --locality=country=us,region=us-central --store=node4 --listen-addr=localhost:26260 --http-addr=localhost:8083 --join=localhost:26257,localhost:26258,localhost:26259
cockroach start --insecure --locality=country=us,region=us-central --store=node5 --listen-addr=localhost:26261 --http-addr=localhost:8084 --join=localhost:26257,localhost:26258,localhost:26259
cockroach start --insecure --locality=country=us,region=us-central --store=node6 --listen-addr=localhost:26262 --http-addr=localhost:8085 --join=localhost:26257,localhost:26258,localhost:26259
cockroach start --insecure --locality=country=us,region=us-west --store=node7 --listen-addr=localhost:26263 --http-addr=localhost:8086 --join=localhost:26257,localhost:26258,localhost:26259
cockroach start --insecure --locality=country=us,region=us-west --store=node8 --listen-addr=localhost:26264 --http-addr=localhost:8087 --join=localhost:26257,localhost:26258,localhost:26259
cockroach start --insecure --locality=country=us,region=us-west --store=node9 --listen-addr=localhost:26265 --http-addr=localhost:8088 --join=localhost:26257,localhost:26258,localhost:26259
cockroach init --insecure --host=localhost:26257
cockroach workload init movr
cockroach sql --execute="SET CLUSTER SETTING cluster.organization = '<enter_cluster_org_here>'; SET CLUSTER SETTING enterprise.license = '<enter_license_here>';"

#SQL Shell
SHOW RANGES FROM TABLE movr.vehicles;

ALTER TABLE movr.vehicles
PARTITION BY LIST (city) (
    PARTITION new_york VALUES IN ('new york'),
    PARTITION boston VALUES IN ('boston'),
    PARTITION washington_dc VALUES IN ('washington dc'),
    PARTITION seattle VALUES IN ('seattle'),
    PARTITION san_francisco VALUES IN ('san francisco'),
    PARTITION los_angeles VALUES IN ('los angeles')
);

ALTER PARTITION new_york OF TABLE movr.vehicles
CONFIGURE ZONE USING constraints='[+region=us-east]';

ALTER PARTITION boston OF TABLE movr.vehicles
CONFIGURE ZONE USING constraints='[+region=us-east]';

ALTER PARTITION washington_dc OF TABLE movr.vehicles
CONFIGURE ZONE USING constraints='[+region=us-central]';

ALTER PARTITION seattle OF TABLE movr.vehicles
CONFIGURE ZONE USING constraints='[+region=us-west]';

ALTER PARTITION san_francisco OF TABLE movr.vehicles
CONFIGURE ZONE USING constraints='[+region=us-west]';

ALTER PARTITION los_angeles OF TABLE movr.vehicles
CONFIGURE ZONE USING constraints='[+region=us-west]';

SELECT start_key, end_key, lease_holder_locality, replicas, replica_localities FROM [SHOW RANGES FROM TABLE movr.vehicles]
WHERE "start_key" NOT LIKE '%Prefix%' AND "end_key" NOT LIKE '%Prefix';

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