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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2011-12-02 11:33:53 -0500 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2011-12-02 11:33:53 -0500 |
| commit | 0de93a9c69a13073ed27c8d53f8c83663d3561fd (patch) | |
| tree | 49e6fefe08864770ee015f7d27eae4a8b08c882a | |
| parent | 1e616f639156b2431725f7823c999486ca46c1ea (diff) | |
| download | postgresql-0de93a9c69a13073ed27c8d53f8c83663d3561fd.tar.gz postgresql-0de93a9c69a13073ed27c8d53f8c83663d3561fd.zip | |
Add some weasel wording about threaded usage of PGresults.
PGresults used to be read-only from the application's viewpoint, but now
that we've exposed various functions that allow modification of a PGresult,
that sweeping statement is no longer accurate. Noted by Dmitriy Igrishin.
| -rw-r--r-- | doc/src/sgml/libpq.sgml | 8 |
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> |