On PostgreSQL Version 7.2.1 on Redhat Linux 7.1
Table bld_tb_bus_fact definition
================================
Column | Type | Modifiers
-----------------+-------------------------- +-----------bus_fact_id | bigint | not
nullbus_fact_ts | timestamp with time zone | not nullparty_id | bigint | svc_id
| bigint | not nullbus_fact_data | text | not
nullbus_fact_typ_cd| character(10) | not nullbus_fact_kywrd | character varying(300) | cont_id
| bigint | perfby_id | bigint | Index "bld_x1_tb_bus_fact"
Column | Type
-----------------+---------------party_id | bigintbus_fact_typ_cd | character(10)cont_id | bigint
btree
With the following query on 50000 records:
explain
SELECT bld_TB_BUS_FACT.BUS_FACT_ID AS id
FROM bld_TB_BUS_FACT
WHERE bld_TB_BUS_FACT.PARTY_ID=1320677
AND bld_TB_BUS_FACT.BUS_FACT_TYP_CD='MSG_SENT'
AND bld_TB_BUS_FACT.CONT_ID=786448
AND bld_TB_BUS_FACT.BUS_FACT_KYWRD ILIKE '%MT-ID=3407979%'
AND bld_TB_BUS_FACT.BUS_FACT_KYWRD ILIKE '%S-ID=1310723%'
limit 1;
psql:test.sql:9: NOTICE: QUERY PLAN:
Limit (cost=0.00..2264.16 rows=1 width=8) -> Seq Scan on bld_tb_bus_fact (cost=0.00..2264.16 rows=1 width=8)
EXPLAIN
I don't understand why it's not using the defined index, even after performing VACUUM FULL ANALYZE on the table.
I tried disabling seqscan but that didn't change anything.
I'm open to suggestions anyone
Thanks!
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Alain Lavigne - Data Administrator - ZAQ Interactive Solutions E-Mail: alavigne@zaq.com
297 St-Paul, West - Montreal, Quebec, Canada - H2Y 2A5
Phone: 514-282-7073 ext: 371 - Fax: 514-282-8011
