Multi-Master allows for load-balancing and fail over type high availabilty. PGCluster 1.0 started with this, 1.1 added large-object replication and 1.3 is an nice refinement. The documentation for this package is well done and easy to understand.
One of the things we love most about PostgreSQL is the ease with which one can define new aggregate functions with even a language as succinct as SQL. Normally when we have needed a median function, we've just used the built-in median function in PL/R as we briefly demonstrated in Language Architecture in PostgreSQL.
Partially. The text is inserted, but the warning is still generated.
I found a discussion that indicated the text needed to be preceded with 'E', as such:
insert into EscapeTest (text) values (E'This is the first part \n And this is the second');
This suppressed the warning, but the text was still not being returned correctly. When I added the additional slash as Michael suggested, it worked.
As such:
insert into EscapeTest (text) values (E'This is the first part \\n And this is the second');
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