CREATE VIEW
Creates a view
or a materialized view
within a session which can be used to represent a long or complex stackql
query.
See also:
[ SELECT
] [ REFRESH
] [ DROP
]
Syntax
createViewStatement::=
CREATE [ OR REPLACE ] [ MATERIALIZED ] VIEW <viewName> AS
<selectStatement> [ UNION | JOIN <selectStatement> ];
Examples
Cross cloud UNION
between aws
and google
CREATE VIEW dual_cloud_block_storage AS
SELECT
'google' AS vendor,
name,
split_part(split_part(type, '/', 11), '-', 2) AS type,
status,
sizeGb AS size
FROM google.compute.disks
WHERE project = '<YOUR_GCP_PROJECT>'
AND zone = 'australia-southeast1-a'
UNION
SELECT
'aws' AS vendor,
volumeId AS name,
volumeType AS type,
status,
size
FROM aws.ec2.volumes
WHERE region = 'ap-southeast-2';
Create and use a Materialized View
/* -------------------------- */
/* create a materialized view */
/* -------------------------- */
CREATE MATERIALIZED VIEW vw_ec2_instance_types AS
SELECT
memoryInfo,
hypervisor,
autoRecoverySupported,
instanceType,
SPLIT_PART(processorInfo, '\n', 3) as processorArch,
currentGeneration,
freeTierEligible,
hibernationSupported,
SPLIT_PART(vCpuInfo, '\n', 2) as vCPUs,
bareMetal,
burstablePerformanceSupported,
dedicatedHostsSupported
FROM aws.ec2.instance_types
WHERE region = 'us-east-1';
/* ------------------------- */
/* use the materialized view */
/* ------------------------- */
SELECT
i.instanceId,
i.instanceType,
it.vCPUs,
it.memoryInfo
FROM aws.ec2.instances i
INNER JOIN vw_ec2_instance_types it
ON i.instanceType = it.instanceType
WHERE i.region = 'us-east-1';