Re: syntax error at or near "ROWS" - Mailing list pgsql-odbc

From Kristian Ivarsson
Subject Re: syntax error at or near "ROWS"
Date
Msg-id DB9PR01MB9512AD039FEF5C2F462DA173F1632@DB9PR01MB9512.eurprd01.prod.exchangelabs.com
Whole thread Raw
In response to Re: syntax error at or near "ROWS"  (Dave Cramer <davecramer@postgres.rocks>)
Responses Re: syntax error at or near "ROWS"
List pgsql-odbc
Hi Dave

No, it still doesn't work with the wished statement OFFSET ? ROWS FETCH FIRST ? ROWS ONLY (because OFFSET ? LIMIT ? is
nonstandard SQL) 

The only reason I added the LIMIT-statement example was to show the differences in the behaviour

When $1 is "abc" it seems like the rest comes out as $2::int4 and $3::int4

When $1 is "abcde" it seems like rest comes out as $2 and $3



Only "abcde" works with FETCH FIRST-statement

Both "abc" and "abcde" works with the LIMIT-statement (it seems like the following parameters has different types
though(as stated)) 


/ Kristian




> HI Kristian,

> So have you solved your issue ?

> Dave Cramer
> www.postgres.rocks


> > I have dug into this a bit more and turned on the postmaster log

> > This statement fails if the first parameter is "abc" but works with "abcde"

> >   SELECT "Id","Begin","End","Logfile" FROM "ServerSession" WHERE "Logfile" = ? ORDER BY "Begin" ASC OFFSET ? ROWS
FETCHFIRST ? ROW ONLY 

> > The postmaster log with "abc" (cbColDef and cbValueMax both 3)

> >  2024-09-19 12:20:26.092 CEST [17828] ERROR:  syntax error at or near "ROWS" at character 116
> >  2024-09-19 12:20:26.092 CEST [17828] STATEMENT:  SELECT "Id","Begin","End","Logfile" FROM "ServerSession" WHERE
"Logfile"= $1 ORDER BY "Begin" ASC OFFSET $2::int4 ROWS FETCH FIRST $3::int4 ROW ONLY 

> > The postmaster log with "abcde" (cbColDef and cbValueMax both 5)

> >   2024-09-19 12:20:26.092 CEST [17828] LOG:  execute <unnamed>: SELECT "Id","Begin","End","Logfile" FROM
"ServerSession"WHERE "Logfile" = $1 ORDER BY "Begin" ASC OFFSET $2 ROWS FETCH FIRST $3 ROW ONLY 
> >   2024-09-19 12:20:26.092 CEST [17828] DETAIL:  parameters: $1 = 'abcde', $2 = '0', $3 = '1'




> > By changing the statement a bit (using OFFSET ? and LIMIT ?) it works with both with "abc" and "abcde"

> >   2024-09-19 12:23:40.386 CEST [32684] LOG:  execute <unnamed>: SELECT "Id","Begin","End","Logfile" FROM
"ServerSession"WHERE "Logfile" = $1 ORDER BY "Begin" ASC OFFSET $2::int4 LIMIT $3::int4 
> >   2024-09-19 12:23:40.386 CEST [32684] DETAIL:  parameters: $1 = 'abc', $2 = '0', $3 = '1'
> >   2024-09-19 12:23:40.386 CEST [32684] LOG:  execute <unnamed>: SELECT "Id","Begin","End","Logfile" FROM
"ServerSession"WHERE "Logfile" = $1 ORDER BY "Begin" ASC OFFSET $2 LIMIT $3 
> >   2024-09-19 12:23:40.386 CEST [32684] DETAIL:  parameters: $1 = 'abcde', $2 = '0', $3 = '1'



> > There's a lot of fishy things going on (where subsequent parameters sometimes seems to be serialized as strings
dependingof the size of earlier string but not always), but I won't speculate of the reasons 

> > We want to use the OFFSET ? ROWS FETCH FIRST ? ROW ONLY statement


> > / Kristian



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