2015-09-17 Robert Haas <robertmh...@gmail.com>: > 1. Exchange Bushy > 2. Exchange Inter-Operator (this is what's currently implemented) > 3. Exchange Replicate > 4. Exchange Merge > 5. Interchange
> 1. ? > 2. Gather > 3. Broadcast (sorta) > 4. Gather Merge > 5. Redistribute > 1. Parallel Child > 2. Parallel Gather > 3. Parallel Replicate > 4. Parallel Merge > 5. Parallel Redistribute FYI, SQL Server has these in its execution plans: * Distribute Streams: read from one thread, write to multiple threads * Repartition Streams: both read and write from/to multiple threads * Gather Streams: read from multiple threads, write to one thread Nicolas -- A. Because it breaks the logical sequence of discussion. Q. Why is top posting bad? -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
