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Diffstat (limited to 'doc/src/sgml/plpython.sgml')
| -rw-r--r-- | doc/src/sgml/plpython.sgml | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/src/sgml/plpython.sgml b/doc/src/sgml/plpython.sgml index 75a939406c6..a39438836fd 100644 --- a/doc/src/sgml/plpython.sgml +++ b/doc/src/sgml/plpython.sgml @@ -935,6 +935,14 @@ foo = rv[i]["my_column"] Return a list of column names, list of column type OIDs, and list of type-specific type modifiers for the columns, respectively. </para> + + <para> + These methods raise an exception when called on a result object from + a command that did not produce a result set, e.g., + <command>UPDATE</command> without <literal>RETURNING</literal>, or + <command>DROP TABLE</command>. But it is OK to use these methods on + a result set containing zero rows. + </para> </listitem> </varlistentry> </variablelist> |