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slow postgresql query
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Column | Type | Modifiers | Storage | Stats target | Description | |
------------------------+-----------------------------+---------------------------------------------------+----------+--------------+------------- | |
id | integer | not null default nextval('tags_id_seq'::regclass) | plain | | | |
type | character varying(255) | | extended | | | |
label | character varying(255) | | extended | | | |
created_at | timestamp without time zone | not null | plain | | | |
updated_at | timestamp without time zone | not null | plain | | | |
Indexes: | |
"tags_pkey" PRIMARY KEY, btree (id) | |
"add_unique_index_label" UNIQUE, btree (label) | |
"index_tags_on_label" btree (label) | |
"index_tags_on_type" btree (type) | |
Has OIDs: no | |
52118303 rows | |
QUERY PLAN | |
------------------------------------------------------------------------------------------------------------------------------------------------------- | |
Limit (cost=0.00..17534.00 rows=20 width=1585) (actual time=66438.975..83816.000 rows=1 loops=1) | |
-> Index Scan using add_unique_index_label on tags (cost=0.00..4569360.65 rows=5212 width=1585) (actual time=66438.971..83815.994 rows=1 loops=1) | |
Filter: ((label)::text ~~* 'rs556'::text) | |
Rows Removed by Filter: 52118302 | |
Total runtime: 83816.047 ms |
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