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RE: Regrading brin_index on required column of the table - Mailing list pgsql-general

From Igor Neyman
Subject RE: Regrading brin_index on required column of the table
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Msg-id DM5PR17MB1532013677EAE501B6854C63DA1C0@DM5PR17MB1532.namprd17.prod.outlook.com
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In response to Regrading brin_index on required column of the table  (Durgamahesh Manne <maheshpostgres9@gmail.com>)
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From: Durgamahesh Manne [mailto:maheshpostgres9@gmail.com]
Sent: Wednesday, September 19, 2018 9:43 AM
To: PostgreSQL mailing lists <pgsql-general@postgresql.org>
Subject: Regrading brin_index on required column of the table

 

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Hi 

Respected postgres community members

 

I have created BRIN index on few columns of the table without any issues. But i am unable to create BRIN index on one column of the table as i got error listed below 

 

 

[local]:6263 postgres@huawei=# CREATE INDEX brin_idx on huawei using brin ("dFetch");

ERROR:  data type boolean has no default operator class for access method "brin"

HINT:  You must specify an operator class for the index or define a default operator class for the data type.

 

 below is the column description:

Column     datatype   collation    nullable       default    storage

 

 dFetch        boolean                                         false        plain

 

 

 

so please help in creating of the BRIN index on above column of the table .

 

 

 

Regards

 

Durgamahesh Manne

 

Why would you want BRIN index on Boolean-type column?

What kind of interval will you specify?

 

Regards,

Igor Neyman

 

 

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