2026-03-12 20:23:15

vg/sp_merge_split_partitions.sql

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+@@header
+
+set term off
+/*
+*
+*  Author  : Vishal Gupta
+*  Purpose : To split default parition of statspack tables based on DBID
+*            hold consolidated data from multiple databases.
+*  Version : 9.2.x, 10.2.x
+*  Usage   : Login as schema holding the consolidated statspack repository
+*
+*
+*  Revision History:
+*  ===================
+*  Date       Author        Description
+*  ---------  ------------  -----------------------------------------
+*  05-Aug-07  Vishal Gupta  First Draft
+*/
+set term on
+
+set verify off
+set serveroutput on
+DECLARE
+  lv_sql VARCHAR2(4000) := null;
+BEGIN
+   -- Identify tables LIST paritioned on DBID
+   FOR t in (SELECT pt.table_name 
+                   FROM user_part_key_columns pc, user_part_tables pt
+                  WHERE object_type = 'TABLE' 
+                    AND column_name = 'DBID'
+                    AND pt.table_name = pc.name
+                    AND pt.PARTITIONING_TYPE = 'LIST')
+   LOOP
+       -- For each DBID value, create partition. 
+       FOR dbid in (SELECT DISTINCT dbid
+                      FROM stats$database_instance d
+                     WHERE  NOT exists (SELECT 1 
+                                         FROM user_tab_partitions p
+                                        WHERE p.table_name = t.table_name
+                                          AND p.partition_name = 'P'||d.dbid
+                                       )
+                )
+       LOOP
+            lv_sql := 'alter table ' || t.table_name || ' split partition others values (' || dbid.dbid || ') '
+                                 || ' into (partition p'|| dbid.dbid || ' , partition others )';
+            -- DBMS_OUTPUT.put_LINE(lv_sql);                                  
+            -- add partitions
+            DBMS_OUTPUT.put_LINE('Adding parition P' || dbid.dbid || ' FOR ' || t.table_name );
+            execute immediate lv_sql;
+            null;            
+       END LOOP;
+   END LOOP;
+
+   FOR i in ( SELECT 'alter index ' || index_name || ' rebuild partition ' || PARTITION_NAME  lv_sql 
+                FROM user_ind_partitions 
+              WHERE status = 'UNUSABLE')
+   LOOP
+      execute immediate i.lv_sql;
+   END LOOP;
+
+END;
+/