Hi I have complex query like for ex select distinct sub_head."vchSubmittersCode" ,rec."vchFileName" , rec."vchCusipFundIDSubFundID" , rec."vchFundUnitPrice" , sub_head."vchValuationDate" ,rec."vchAdvisorLabel" from "table1" rec join "table2" sub_head on rec."vchSubmittersCode"=sub_head."vchSubmittersCode" where rec."bFetch"=false and sub_head."bFetch"=false ;
Even i have already tried with BTREE indexes & HASH indexes on required columns .distinct query execution time was not reduced Query taken around 7 minutes time to execute with BTREE indexes & HASH indexes on required columns SO please help in reducing the distinct query execution time Regards Durgamahesh Manne On Wed, Sep 19, 2018 at 7:21 PM Durgamahesh Manne <maheshpostgr...@gmail.com> wrote: > 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 >