Vertica的这些事(十一)——-Vertica备份元数据信息

—备份资源池

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SELECT    'CREATE RESOURCE POOL ' || name
|| CASE WHEN memorysize IS NULL THEN ' ' ELSE ' MEMORYSIZE ' || '''' || memorysize || '''' END
|| CASE WHEN maxmemorysize = '' THEN ' ' ELSE ' MAXMEMORYSIZE ' || '''' || maxmemorysize || '''' END
|| CASE WHEN executionparallelism = 'AUTO' THEN ' ' ELSE ' EXECUTIONPARALLELISM ' || '''' || executionparallelism || '''' END
|| CASE WHEN NULLIFZERO(priority) IS NULL THEN ' ' ELSE ' PRIORITY ' || '''' || priority || '''' END
|| CASE WHEN runtimepriority IS NULL THEN ' ' ELSE ' RUNTIMEPRIORITY ' || runtimepriority END
|| CASE WHEN runtimeprioritythreshold IS NULL THEN ' ' ELSE ' RUNTIMEPRIORITYTHRESHOLD ' || runtimeprioritythreshold END
|| CASE WHEN queuetimeout IS NULL THEN ' ' ELSE ' QUEUETIMEOUT ' || queuetimeout END
|| CASE WHEN maxconcurrency IS NULL THEN ' ' ELSE ' MAXCONCURRENCY ' || maxconcurrency END
|| CASE WHEN runtimecap IS NULL THEN ' ' ELSE ' RUNTIMECAP ' || '''' || runtimecap || '''' END
|| ' ; '
FROM v_catalog.resource_pools
WHERE NOT is_internal
ORDER BY name;

—备份角色

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SELECT '-- Create Roles';
SELECT 'CREATE ROLE ' || name || ' ;' AS TXT_CR
FROM v_catalog.roles
WHERE name NOT IN ('public','dbadmin','pseudosuperuser','dbduser')
ORDER BY 1;
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SELECT '-- Add users to roles';
SELECT 'GRANT ' || all_roles || ' TO ' || user_name || ';'
FROM v_catalog.users
WHERE user_name NOT IN ('dbadmin')
ORDER BY 1;

–备份schema

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SELECT '-- Create Schema';
SELECT 'CREATE SCHEMA ' || schema_name || ';'
FROM schemata
WHERE schema_name NOT IN ('v_internal','v_catalog','v_monitor','TxtIndex')
ORDER BY 1;

–备份用户

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SELECT '-- Create Users';
SELECT 'CREATE USER ' || user_name || ' RESOURCE POOL ' || resource_pool || ' ;'
FROM v_catalog.users
WHERE user_name NOT IN ('dbadmin')
ORDER BY 1;

—各手shcema大小

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SELECT /*+(estimated_raw_size)*/
pj.anchor_table_schema,
pj.used_compressed_gb,
pj.used_compressed_gb * la.ratio AS raw_estimate_gb
FROM (SELECT ps.anchor_table_schema,
SUM(used_bytes) / ( 1024^3 ) AS used_compressed_gb
FROM v_catalog.projections p
JOIN v_monitor.projection_storage ps
ON ps.projection_id = p.projection_id
WHERE p.is_super_projection = 't'
GROUP BY ps.anchor_table_schema) pj
CROSS JOIN (SELECT (SELECT database_size_bytes
FROM v_catalog.license_audits
ORDER BY audit_start_timestamp DESC
LIMIT 1) / (SELECT SUM(used_bytes)
FROM V_MONITOR.projection_storage) AS ratio) la
ORDER BY pj.used_compressed_gb DESC;

–备份赋权语句
–backup grants

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select 'grant '|| privileges_description || ' on '|| object_name || ' to '|| grantee||';' 
from grants where grantor<>grantee
order by object_name;

备份建表语句以及schema语句

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SELECT EXPORT_CATALOG('','DESIGN_ALL')"
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