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-rw-r--r--doc/src/sgml/libpq.sgml8
1 files changed, 6 insertions, 2 deletions
diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml
index 252ff8cc855..d48cafa4de6 100644
--- a/doc/src/sgml/libpq.sgml
+++ b/doc/src/sgml/libpq.sgml
@@ -7197,8 +7197,12 @@ int PQisthreadsafe();
</para>
<para>
- <structname>PGresult</> objects are read-only after creation, and so
- can be passed around freely between threads.
+ <structname>PGresult</> objects are normally read-only after creation,
+ and so can be passed around freely between threads. However, if you use
+ any of the <structname>PGresult</>-modifying functions described in
+ <xref linkend="libpq-misc"> or <xref linkend="libpq-events">, it's up
+ to you to avoid concurrent operations on the same <structname>PGresult</>,
+ too.
</para>
<para>