[GENERAL] indexing large "text" attributes ... ERROR: maximum size is 8191

[Benjamin Arai]

I get the following error when tying to index a large text field:
dev=# CREATE INDEX idx_fulltext_articel_block ON fulltext_article 
(article_block);
ERROR:  index row requires 8724 bytes, maximum size is 8191

I am actually creating a GIN index on another field but I need to  
index the original "text" field to perform exact phrase matches.   
Does anybody know how to fix this or alternatively perform exact  
phrase matches on a GIN index?

Thanks in advance!

Benjamin

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