On 07/22/2010 03:31 PM, Andreas Joseph Krogh wrote:
> Hi.
> I'm trying to index the contents of word-documents, extracted text,
> which leads to quite large documents sometimes. This resutls in the
> following Exception:
> Caused by: org.postgresql.util.PSQLException: ERROR: index row
> requires 10376 bytes, maximum size is 8191
>
> I have the following schema:
> andreak=# \d origo_search_index
> Table "public.origo_search_index"
> Column | Type
> | Modifiers
> --------------------------+-------------------+-----------------------------------------------------------------
>
> id | integer | not null default
> nextval('origo_search_index_id_seq'::regclass)
> entity_id | integer | not null
> entity_type | character varying | not null
> field | character varying | not null
> search_value | character varying | not null
> textsearchable_index_col | tsvector |
>
> "origo_search_index_fts_idx" gin (textsearchable_index_col)
>
> Triggers:
> update_search_index_tsvector_t BEFORE INSERT OR UPDATE ON
> origo_search_index FOR EACH ROW EXECUTE PROCEDURE
> tsvector_update_trigger('textsearchable_index_col',
> 'pg_catalog.english', 'search_value')
>
> I store all the text extracted from the documents in "search_value"
> and have the built-in trigger tsvector_update_trigger update the
> tsvector-column.
>
> Any hints on how to get around this issue to allow indexing large
> documents? I don't see how "only index the first N bytes of the
> document" would be of interest to anyone...
>
> BTW: I'm using PG-9.0beta3
Never mind... I was having a btree index on search_value too, which of
course caused the problem.
--
Andreas Joseph Krogh<andreak@officenet.no>
Senior Software Developer / CTO
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