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doc: Fix description of \copy for psql

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The WHERE clause introduced by 31f3817 was not described.  While on it,
split the grammar of \copy FROM and TO into two distinct parts for
clarity as they support different set of options.

Author: Vignesh C
Discussion: https://postgr.es/m/CALDaNm3zWr=OmxeNqOqfT=uZTSdam_j-gkX94CL8eTNfgUtf6A@mail.gmail.com
Backpatch-through: 12
This commit is contained in:
Michael Paquier 2020-07-18 10:42:46 +09:00
parent 71e8e66f78
commit 580d8ac9b1
1 changed files with 8 additions and 2 deletions
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10
doc/src/sgml/ref/psql-ref.sgml
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@ -982,9 +982,15 @@ testdb=>
</varlistentry>
<varlistentry id="app-psql-meta-commands-copy">
<term><literal>\copy { <replaceable class="parameter">table</replaceable> [ ( <replaceable class="parameter">column_list</replaceable> ) ] }
<literal>from</literal>
{ <replaceable class="parameter">'filename'</replaceable> | program <replaceable class="parameter">'command'</replaceable> | stdin | pstdin }
[ [ with ] ( <replaceable class="parameter">option</replaceable> [, ...] ) ]
[ where <replaceable class="parameter">condition</replaceable> ]</literal></term>
<term><literal>\copy { <replaceable class="parameter">table</replaceable> [ ( <replaceable class="parameter">column_list</replaceable> ) ] | ( <replaceable class="parameter">query</replaceable> ) }
{ <literal>from</literal> | <literal>to</literal> }
{ <replaceable class="parameter">'filename'</replaceable> | program <replaceable class="parameter">'command'</replaceable> | stdin | stdout | pstdin | pstdout }
<literal>to</literal>
{ <replaceable class="parameter">'filename'</replaceable> | program <replaceable class="parameter">'command'</replaceable> | stdout | pstdout }
[ [ with ] ( <replaceable class="parameter">option</replaceable> [, ...] ) ]</literal></term>
<listitem>