—備份資源池

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;

—備份角色

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; 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;

–備份schema

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;

–備份用戶

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

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_gbFROM v_catalog.projections pJOIN v_monitor.projection_storage psON ps.projection_id = p.projection_idWHERE p.is_super_projection = 't'GROUP BY ps.anchor_table_schema) pjCROSS JOIN (SELECT (SELECT database_size_bytesFROM v_catalog.license_auditsORDER BY audit_start_timestamp DESCLIMIT 1) / (SELECT SUM(used_bytes)FROM V_MONITOR.projection_storage) AS ratio) la ORDER BY pj.used_compressed_gb DESC;

–備份賦權語句
–backup grants

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

備份建表語句以及schema語句

SELECT EXPORT_CATALOG('','DESIGN_ALL')"

總結

以上是生活随笔為你收集整理的Vertica的这些事lt;十五gt;—— Vertica备份元数据信息的全部內容，希望文章能夠幫你解決所遇到的問題。

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