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In psql, when running a SELECT query using a cursor, flush the query

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output after each FETCH. This ensures that incremental results are
available to clients that are executing long-running SELECT queries
via the FETCH_COUNT feature.
This commit is contained in:
Neil Conway 2007-06-22 03:19:57 +00:00
parent 65e67e2bb2
commit ee9796e448
1 changed files with 7 additions and 1 deletions
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8
src/bin/psql/common.c
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@ -3,7 +3,7 @@
*
* Copyright (c) 2000-2006, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/bin/psql/common.c,v 1.130.2.1 2007/04/16 20:16:11 mha Exp $
* $PostgreSQL: pgsql/src/bin/psql/common.c,v 1.130.2.2 2007/06/22 03:19:57 neilc Exp $
*/
#include "postgres_fe.h"
#include "common.h"
@ -1100,6 +1100,12 @@ ExecQueryUsingCursor(const char *query, double *elapsed_msec)
printQuery(results, &my_popt, pset.queryFout, pset.logfile);
/*
* Make sure to flush the output stream, so intermediate
* results are visible to the client immediately.
*/
fflush(pset.queryFout);
/* after the first result set, disallow header decoration */
my_popt.topt.start_table = false;
my_popt.topt.prior_records += ntuples;