Don't drop partitions

Various updates to script forced by change purge to truncate rather than drop tree selector partitions.
davidkurtz · Oct 7, 2022 · 7cd27b9 · 7cd27b9
1 parent cca5fbf
commit 7cd27b9
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Showing 6 changed files with 47 additions and 26 deletions.
diff --git a/nvision_current_schema_trigger.sql b/nvision_current_schema_trigger.sql
@@ -9,7 +9,7 @@ FOR EACH ROW
 WHEN (new.runstatus IN('7') AND new.prcsname IN('RPTBOOK','NVSRUN') AND new.prcstype like 'nVision%')
 BEGIN
 --EXECUTE IMMEDIATE 'ALTER SESSION SET current_schema = NVEXEC'||LTRIM(TO_CHAR(dbms_utility.get_hash_value(:new.prcsinstance,1,16),'00'));
-  EXECUTE IMMEDIATE 'ALTER SESSION SET current_schema = NVEXEC'||LTRIM(TO_CHAR(MOD(:new.prcsinstance,16),'00'));
+  EXECUTE IMMEDIATE 'ALTER SESSION SET current_schema = NVEXEC'||LTRIM(TO_CHAR(MOD(:new.prcsinstance,64),'00'));
 EXCEPTION WHEN OTHERS THEN NULL; --exception deliberately coded to suppress all exceptions
 END;
 /

diff --git a/nvision_dynamic_selectors.sql b/nvision_dynamic_selectors.sql
@@ -79,6 +79,7 @@ EXCEPTION WHEN OTHERS THEN NULL; --exception deliberately coded to suppress all
 END;
 /
 show errors
+ALTER TRIGGER sysadm.xx_nvision_end DISABLE;
 pause
 --------------------------------------------------------------------------------
 --mark/unmark static selectors
@@ -131,12 +132,13 @@ BEGIN
     SELECT owner, table_name, SUBSTR(table_name,-2) length
     FROM   all_tables t
     WHERE  table_name LIKE 'PSTREESELECT__' 
+    AND    (owner = 'SYSADM' OR owner like 'NVEXEC%')
   ) LOOP
     l_sql := 'INSERT INTO ps_nvs_treeslctlog (selector_num, process_instance, length, num_rows, timestamp, module, appinfo_action, client_info, status_flag, tree_name, ownerid, partition_name, job_no) SELECT s.selector_num, 0, '||i.length||', COUNT(*), SYSDATE, '' '', '' '', '' '', ''I'', '' '', '''||i.owner||''', '' '', 0 
 FROM '||i.owner||'.'||i.table_name||' s WHERE NOT EXISTS(SELECT 1 FROM ps_nvs_treeslctlog l WHERE l.selector_num = s.selector_num) GROUP BY s.selector_num';
-    dbms_output.put_line(l_sql);
+    --dbms_output.put_line(l_sql);
     EXECUTE IMMEDIATE l_sql;
-    dbms_output.put_line(SQL%ROWCOUNT||' rows inserted');
+    dbms_output.put_line(i.owner||'.'||i.table_name||':'||SQL%ROWCOUNT||' rows inserted');
   END LOOP;
 END;
 /
@@ -160,6 +162,7 @@ BEGIN
     AND    t.partition_name = o.subobject_name
     AND    o.owner = t.table_owner
     AND    o.object_Type = 'TABLE PARTITION'
+    AND    (o.owner = 'SYSADM' OR o.owner like 'NVEXEC%')
   ) LOOP
     l_high_Value := i.high_Value;
     l_selector_Num := TO_NUMBER(l_high_value)-1;
@@ -298,11 +301,11 @@ DECLARE
   l_sql CLOB;
 BEGIN 
   FOR i IN (
-    SELECT selector_num, length
+    SELECT ownerid, selector_num, length
     FROM   ps_nvs_treeslctlog l
     WHERE  num_rows = 0
   ) LOOP
-    l_sql := 'SELECT COUNT(*) FROM PSTREESELECT'||LTRIM(TO_CHAR(i.length,'00'))||' WHERE selector_num = :1';
+    l_sql := 'SELECT COUNT(*) FROM '||i.ownerid||'.PSTREESELECT'||LTRIM(TO_CHAR(i.length,'00'))||' WHERE selector_num = :1';
     EXECUTE IMMEDIATE l_sql INTO l_num_rows USING i.selector_num;
     dbms_output.put_line(l_sql||':'||l_num_rows);
     IF l_num_rows > 0 THEN
@@ -326,6 +329,7 @@ BEGIN
     SELECT table_owner, table_name, partition_position, partition_name, high_value, high_value_length
     FROM   all_tab_partitions p
     WHERE  table_name LIKE 'PSTREESELECT__' 
+    AND    (table_owner = 'SYSADM' OR table_owner like 'NVEXEC%')
     ORDER BY table_name, partition_position desc
   ) LOOP
     l_selector_num := SUBSTR(i.high_value,1,i.high_value_length) - 1;

diff --git a/pstreeselect_interval_partitioning.txt b/pstreeselect_interval_partitioning.txt
@@ -10,7 +10,7 @@ CREATE TABLE PSYPSTREESELECT05 (SELECTOR_NUM INTEGER NOT NULL,
 PARTITION BY RANGE (selector_num) INTERVAL (1)
 (PARTITION VALUES LESS THAN(2))
 TABLESPACE "PTWORK" 
-STORAGE(INITIAL 128K NEXT 128K)
+STORAGE(INITIAL 64K NEXT 64K)
 /
 INSERT INTO PSYPSTREESELECT05 (
         SELECTOR_NUM,
@@ -36,15 +36,15 @@ CREATE UNIQUE  INDEX PS_PSTREESELECT05 ON PSTREESELECT05 (SELECTOR_NUM
    RANGE_FROM_05,
    RANGE_TO_05) 
 local PCTFREE 5 COMPRESS 1
-  TABLESPACE "PSINDEX" 
+  TABLESPACE "PSINDEX" STORAGE(INITIAL 64K NEXT 64K) 
 /
 ALTER INDEX PS_PSTREESELECT05 NOPARALLEL LOGGING
 /
 CREATE   INDEX PSAPSTREESELECT05 ON PSTREESELECT05 (SELECTOR_NUM,
    RANGE_FROM_05,
    RANGE_TO_05,
    TREE_NODE_NUM) 
-local PCTFREE 5 COMPRESS 1 TABLESPACE "PSINDEX" 
+local PCTFREE 5 COMPRESS 1 TABLESPACE "PSINDEX" STORAGE(INITIAL 64K NEXT 64K)
 /
 ALTER INDEX PSAPSTREESELECT05 NOPARALLEL LOGGING
 /
@@ -69,7 +69,7 @@ CREATE TABLE PSYPSTREESELECT06 (SELECTOR_NUM INTEGER NOT NULL,
 PARTITION BY RANGE (selector_num) INTERVAL (1)
 (PARTITION VALUES LESS THAN(2))
 TABLESPACE "PTWORK"
-STORAGE(INITIAL 128K NEXT 128K)
+STORAGE(INITIAL 64K NEXT 64K)
 /
 INSERT INTO PSYPSTREESELECT06 (
         SELECTOR_NUM,
@@ -95,15 +95,15 @@ CREATE UNIQUE  INDEX PS_PSTREESELECT06 ON PSTREESELECT06 (SELECTOR_NUM
    RANGE_FROM_06,
    RANGE_TO_06) 
 local PCTFREE 5 COMPRESS 1
-  TABLESPACE "PSINDEX" 
+  TABLESPACE "PSINDEX" STORAGE(INITIAL 64K NEXT 64K)
 /
 ALTER INDEX PS_PSTREESELECT06 NOPARALLEL LOGGING
 /
 CREATE   INDEX PSAPSTREESELECT06 ON PSTREESELECT06 (SELECTOR_NUM,
    RANGE_FROM_06,
    RANGE_TO_06,
    TREE_NODE_NUM) 
-local PCTFREE 5 COMPRESS 1 TABLESPACE "PSINDEX" 
+local PCTFREE 5 COMPRESS 1 TABLESPACE "PSINDEX" STORAGE(INITIAL 64K NEXT 64K) 
 /
 ALTER INDEX PSAPSTREESELECT06 NOPARALLEL LOGGING
 /
@@ -128,7 +128,7 @@ CREATE TABLE PSYPSTREESELECT08 (SELECTOR_NUM INTEGER NOT NULL,
 PARTITION BY RANGE (selector_num) INTERVAL (1)
 (PARTITION VALUES LESS THAN(2))
 TABLESPACE "PTWORK"
-STORAGE(INITIAL 128K NEXT 128K)
+STORAGE(INITIAL 64K NEXT 64K)
 /
 INSERT INTO PSYPSTREESELECT08 (
         SELECTOR_NUM,
@@ -153,15 +153,15 @@ CREATE UNIQUE  INDEX PS_PSTREESELECT08 ON PSTREESELECT08 (SELECTOR_NUM
    TREE_NODE_NUM,
    RANGE_FROM_08,
    RANGE_TO_08) 
-local PCTFREE 5 COMPRESS 1 TABLESPACE "PSINDEX" 
+local PCTFREE 5 COMPRESS 1 TABLESPACE "PSINDEX" STORAGE(INITIAL 64K NEXT 64K)
 /
 ALTER INDEX PS_PSTREESELECT08 NOPARALLEL LOGGING
 /
 CREATE INDEX PSAPSTREESELECT08 ON PSTREESELECT08 (SELECTOR_NUM,
    RANGE_FROM_08,
    RANGE_TO_08,
    TREE_NODE_NUM) 
-local PCTFREE 5 COMPRESS 1 TABLESPACE "PSINDEX" 
+local PCTFREE 5 COMPRESS 1 TABLESPACE "PSINDEX" STORAGE(INITIAL 64K NEXT 64K)
 /
 ALTER INDEX PSAPSTREESELECT08 NOPARALLEL LOGGING
 /
@@ -193,7 +193,7 @@ CREATE TABLE PSYPSTREESELECT10 (SELECTOR_NUM INTEGER NOT NULL,
 PARTITION BY RANGE (selector_num) INTERVAL (1)
 (PARTITION VALUES LESS THAN(2))
 TABLESPACE "PTWORK"
-STORAGE(INITIAL 128K NEXT 128K)
+STORAGE(INITIAL 64K NEXT 64K)
 /
 INSERT INTO PSYPSTREESELECT10 (
         SELECTOR_NUM,
@@ -213,20 +213,19 @@ DROP TABLE PSTREESELECT10
 /
 ALTER TABLE PSYPSTREESELECT10 RENAME TO PSTREESELECT10
 /
-CREATE UNIQUE  INDEX PS_PSTREESELECT10 ON PSTREESELECT10 (SELECTOR_NUM
-,
+CREATE UNIQUE  INDEX PS_PSTREESELECT10 ON PSTREESELECT10 (SELECTOR_NUM,
    TREE_NODE_NUM,
    RANGE_FROM_10,
    RANGE_TO_10) 
-local PCTFREE 5 COMPRESS 1 TABLESPACE "PSINDEX" 
+local PCTFREE 5 COMPRESS 1 TABLESPACE "PSINDEX" STORAGE(INITIAL 64K NEXT 64K)
 /
 ALTER INDEX PS_PSTREESELECT10 NOPARALLEL LOGGING
 /
 CREATE INDEX PSAPSTREESELECT10 ON PSTREESELECT10 (SELECTOR_NUM,
    RANGE_FROM_10,
    RANGE_TO_10,
    TREE_NODE_NUM) 
-local PCTFREE 5 COMPRESS 1 TABLESPACE "PSINDEX" 
+local PCTFREE 5 COMPRESS 1 TABLESPACE "PSINDEX" STORAGE(INITIAL 64K NEXT 64K)
 /
 ALTER INDEX PSAPSTREESELECT10 NOPARALLEL LOGGING
 /

diff --git a/treeselector_statprefs.sql b/treeselector_statprefs.sql
@@ -7,7 +7,7 @@ begin
     ,      SUBSTR(t.table_name,-2) length
     FROM   all_users u
     ,      all_tables t
-    WHERE  u.username like 'NVEXEC%'
+    WHERE  (u.username = 'SYSADM' OR u.username like 'NVEXEC%')
     AND    t.owner = u.username
     AND    t.table_name like 'PSTREESELECT__'
   ) LOOP
@@ -19,19 +19,32 @@ begin
                               ,'FOR ALL COLUMNS SIZE AUTO FOR COLUMNS SIZE 254 SELECTOR_NUM TREE_NODE_NUM FOR COLUMNS SIZE 1 RANGE_FROM_'||i.length||
                                ' RANGE_TO_'||i.length||' (SELECTOR_NUM, TREE_NODE_NUM) (SELECTOR_NUM, RANGE_FROM_'||i.length||') (SELECTOR_NUM, RANGE_TO_'||i.length||')'
                               );
+    dbms_stats.gather_table_stats(i.owner,i.table_name);
   END LOOP;
 end;
 /
 
 
-set lines 200
+set lines 200 pages 99
 break on owner skip 1 on table_name skip 1
+column owner format a10
+column partition_name format a20
 column preference_value format a100 word_wrapped on
+column table_name format a18
 select *
 from all_tab_stat_prefs
 where table_name like 'PSTREESELECT__'
+and (owner = 'SYSADM' or owner like 'NVEXEC%')
 order by 1,2,3
 /
 
+select owner, table_name, partition_position, partition_name, num_rows, blocks, last_analyzed
+from all_tab_statistics
+where table_name like 'PSTREESELECT__'
+and (owner = 'SYSADM' or owner like 'NVEXEC%')
+--and partitioned = 'YES'
+order by owner, table_name, partition_position nulls first
+/
+
 spool off
 break on report
diff --git a/treeselector_triggers.sql b/treeselector_triggers.sql
@@ -1,5 +1,6 @@
 REM treeselector_triggers.sql
 set serveroutput on echo on
+clear screen
 spool treeselector_triggers
 --------------------------------------------------------------------------------
 --log selector population - dynamically create insert/delete triggers
@@ -25,9 +26,9 @@ BEGIN
     WHERE  r.recname = r.sqltablename
     AND    r.recname like 'PSTREESELECT__'
     AND    t.table_name = r.sqltablename
+    AND    (t.owner = 'SYSADM' or t.owner LIKE 'NVEXEC%')
   ) LOOP
-  l_cmd := 'CREATE OR REPLACE TRIGGER '||i.owner||'.'||LOWER(i.recname||'_'||i.action)||'
-FOR '||i.action||' ON '||i.owner||'.'||i.recname||' compound trigger
+  l_cmd := 'CREATE OR REPLACE TRIGGER '||i.owner||'.'||LOWER(i.recname||'_'||i.action)||' FOR '||i.action||' ON '||i.owner||'.'||i.recname||' compound trigger
   l_err_msg VARCHAR2(100 CHAR);
 AFTER EACH ROW IS 
 BEGIN

diff --git a/xx_nvision_selectors.sql b/xx_nvision_selectors.sql
@@ -103,7 +103,7 @@ EXCEPTION
     RETURN(l_partition_name);
 END;
 --------------------------------------------------------------------------------
---drop partition in a selector table
+--truncate partition in a selector table
 --------------------------------------------------------------------------------
 PROCEDURE purge_selector
 (p_length         INTEGER
@@ -148,7 +148,10 @@ BEGIN
 --    EXECUTE IMMEDIATE l_cmd INTO l_num_rows;
 --    debug_msg(l_cmd||':'||l_num_rows);
 
-      l_cmd := 'ALTER TABLE '||p_ownerid||'.'||l_table_name||' DROP PARTITION '||l_partition_name||' UPDATE INDEXES';
+      l_cmd := 'ALTER TABLE '||p_ownerid||'.'||l_table_name||' TRUNCATE PARTITION '||l_partition_name||' UPDATE INDEXES DROP STORAGE';
+	  --cannot drop partitions because they do not get created again when the selector number recycles
+	  --l_cmd := 'ALTER TABLE '||p_ownerid||'.'||l_table_name||' DROP PARTITION '||l_partition_name||' UPDATE INDEXES';
+
       debug_msg(l_cmd);
       EXECUTE IMMEDIATE l_cmd;
       l_cmd := '';
@@ -687,13 +690,14 @@ BEGIN
     AND    table_name = l_table_name
     ORDER BY table_name, partition_position desc
   ) LOOP
-    l_selector_num := SUBSTR(i.high_value,1,i.high_value_length) - 1; /*seletor high value-1*/
+    l_selector_num := SUBSTR(i.high_value,1,i.high_value_length) - 1; /*selector high value-1*/
     IF l_selector_num = g_selector_num THEN
       l_partition_name := i.partition_name;
       debug_msg('Partition:'||l_partition_name);
       EXIT;
     ELSIF l_selector_num < g_selector_num THEN
       debug_msg('No Partition identified');
+	  l_partition_name := ' '; /*added 6.10.2022*/
       EXIT;
     END IF;
   END LOOP;