Re: [GENERAL] foreign key constraint, planner ignore index.

2007-12-20 Thread Andrew Nesheret
this test has exclusive access to postgres and no other activites on this system. Thank you Richard! And my question is. What should i do further ? -- __ WBR, Andrew Nesheret ICQ:10518066 ---(end of broadcast)---

Re: [GENERAL] foreign key constraint, planner ignore index.

2007-12-20 Thread Andrew Nesheret
0 row versions in 1 pages DETAIL: 0 index row versions were removed. 0 index pages have been deleted, 0 are currently reusable. CPU 0.00s/0.00u sec elapsed 0.00 sec. INFO: "pg_toast_16555": found 0 removable, 0 nonremovable row versions in 0 pages DETAIL: 0 dead row versions cannot be

Re: [GENERAL] foreign key constraint, planner ignore index.

2007-12-20 Thread Andrew Nesheret
.862 calls=1 ~~~ BAD. Trigger for constraint snmp_nodes_access_nodeid_fkey: time=41.661 calls=1 Trigger for constraint stringnodeattributes_node_fkey: time=0.408 calls=1 Trigger for constraint topology_fromnode_fkey: time=0.308 calls=1 Trigger for constraint topology_tonode_fkey: time=0.

Re: [GENERAL] foreign key constraint, planner ignore index.

2007-12-20 Thread Andrew Nesheret
ey contraint is "restrict" (i'm understand this is very important). -- ______ WBR, Andrew Nesheret ICQ:10518066 ---(end of broadcast)--- TIP 9: In versions below 8.0, the planner will ignore your desire to

Re: [GENERAL] foreign key constraint, planner ignore index.

2007-12-20 Thread Andrew Nesheret
: ($1 = node) Total runtime: 445145.901 ms (3 rows) PS: Test 2 is more applicable, for both types of nodes a) for nodes with no statistics b) for nodes with statistics in sf_ipv4traffic too. -- __ WBR, Andrew Nesheret ICQ:10518066 ---(e

Re: [GENERAL] foreign key constraint, planner ignore index.

2007-12-19 Thread Andrew Nesheret
while ( rs.next() ) System.out.println( " " + rs.getString( 1 ) ); } rs.close(); connection.close(); --- -- ______ WBR, Andrew Nesheret ICQ:10518066 ---(end of broadcast)--- TIP

Re: [GENERAL] foreign key constraint, planner ignore index.

2007-12-19 Thread Andrew Nesheret
Richard Huxton wrote: Andrew Nesheret wrote: Richard Huxton wrote: If you PREPARE then EXECUTE the same query, does it still use the index? Tested, comments? --- code - --- result --- Result for node #2007 Index Scan using fki_nodes on sf_ipv4traffic x (cost=0.00..9.65 rows=1

Re: [GENERAL] foreign key constraint, planner ignore index.

2007-12-19 Thread Andrew Nesheret
(in node column) and this node never deleted ALL 15 millions rows referenced to node 156 inms=> select node from sf_ipv4traffic limit 10; node -- 156 156 156 156 156 156 156 156 156 156 (10 rows) -- ______ WBR, Andrew Nesheret ICQ:10518066

[GENERAL] foreign key constraint, planner ignore index.

2007-12-18 Thread Andrew Nesheret
---- Index Scan using fki_nodes on sf_ipv4traffic x (cost=0.00..9.65 rows=1 width=6) (actual time=0.019..0.019 rows=0 loops=1) Index Cond: (2003 = node) Total runtime: 0.089 ms (3 rows) --- Any suggesions?, thanks. -- __ WBR, Andrew Nesheret ICQ:10518066 ---(end of broadcast)--- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq