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copy: update docs for FORCE_NULL and FORCE_NOT_NULL combination

Also update regression tests

Patch by Michael Paquier
This commit is contained in:
Bruce Momjian
2014-04-22 16:06:37 -04:00
parent 4a5d55ec2b
commit 7ec73783d8
6 changed files with 24 additions and 34 deletions

View File

@@ -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>