diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/ref/copy.sgml | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/src/sgml/ref/copy.sgml b/doc/src/sgml/ref/copy.sgml index 0544c68bbc0..b100f8bdf79 100644 --- a/doc/src/sgml/ref/copy.sgml +++ b/doc/src/sgml/ref/copy.sgml @@ -487,6 +487,13 @@ COPY <replaceable class="parameter">count</replaceable> <command>VACUUM</command> to recover the wasted space. </para> + <para> + <literal>FORCE_NULL</> and <literal>FORCE_NOT_NULL</> can be used + simultaneously on the same column. This has as result to convert quoted + null strings to null values and to convert unquoted null strings to + empty strings. + </para> + </refsect1> <refsect1> |