Backpatch to 9.1 and 9.0.
operations much faster (see ).
Operations in which this optimization can be applied include:
- <item>CREATE TABLE AS>
- <item>CREATE INDEX>
- <item>CLUSTER>
- <item>COPY into tables that were created or truncated in the same
- transaction
+ <member>CREATE TABLE AS>>
+ <member>CREATE INDEX>>
+ <member>CLUSTER>>
+ <member>COPY> into tables that were created or truncated in the same
+ transaction
But minimal WAL does not contain
enough information to reconstruct the data from a base backup and the