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doc: clarify CREATE TABLE AS ... IF NOT EXISTS 

Mention that the table is not modified if it already exists.

Reported-by: frank_limpert@yahoo.com

Discussion: https://postgr.es/m/164441177106.9677.5991676148704507229@wrigleys.postgresql.org

Backpatch-through: 10
This commit is contained in:
Bruce Momjian 2022-08-12 10:59:00 -04:00
parent 4d807bbc4b
commit 7d66ccee99
1 changed files with 2 additions and 3 deletions
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5
doc/src/sgml/ref/create_table_as.sgml
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@ -100,9 +100,8 @@ CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY | TEMP } | UNLOGGED ] TABLE [ IF NOT EXI
<term><literal>IF NOT EXISTS</literal></term>
<listitem>
<para>
Do not throw an error if a relation with the same name already exists.
A notice is issued in this case. Refer to <xref linkend="sql-createtable"/>
for details.
Do not throw an error if a relation with the same name already
exists; simply issue a notice and leave the table unmodified.
</para>
</listitem>
</varlistentry>