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-rw-r--r--doc/src/sgml/libpq.sgml7
1 files changed, 4 insertions, 3 deletions
diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml
index 9ec291d5c4c..f23ecbe4c48 100644
--- a/doc/src/sgml/libpq.sgml
+++ b/doc/src/sgml/libpq.sgml
@@ -2871,9 +2871,10 @@ void PQclear(PGresult *res);
<listitem>
<para>
- Returns the number of rows (tuples) in the query result. Because
- it returns an integer result, large result sets might overflow the
- return value on 32-bit operating systems.
+ Returns the number of rows (tuples) in the query result.
+ (Note that <structname>PGresult</> objects are limited to no more
+ than <literal>INT_MAX</> rows, so an <type>int</> result is
+ sufficient.)
<synopsis>
int PQntuples(const PGresult *res);