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| author | Fujii Masao <fujii@postgresql.org> | 2021-04-02 19:45:42 +0900 |
|---|---|---|
| committer | Fujii Masao <fujii@postgresql.org> | 2021-04-02 19:45:42 +0900 |
| commit | b1be3074ac719ce8073fba35d4c8b52fb4ddd0c3 (patch) | |
| tree | 4a7b836541eb0d7df10a6b83e951c7f9f673cc3e /src/backend/tcop/postgres.c | |
| parent | 9c5f67fd6256246b2a788a8feb1d42b79dcd0448 (diff) | |
| download | postgresql-b1be3074ac719ce8073fba35d4c8b52fb4ddd0c3.tar.gz postgresql-b1be3074ac719ce8073fba35d4c8b52fb4ddd0c3.zip | |
postgres_fdw: Add option to control whether to keep connections open.
This commit adds a new option keep_connections that controls
whether postgres_fdw keeps the connections to the foreign server open
so that the subsequent queries can re-use them. This option can only be
specified for a foreign server. The default is on. If set to off,
all connections to the foreign server will be discarded
at the end of transaction. Closed connections will be re-established
when they are necessary by future queries using a foreign table.
This option is useful, for example, when users want to prevent
the connections from eating up the foreign servers connections
capacity.
Author: Bharath Rupireddy
Reviewed-by: Alexey Kondratov, Vignesh C, Fujii Masao
Discussion: https://postgr.es/m/CALj2ACVvrp5=AVp2PupEm+nAC8S4buqR3fJMmaCoc7ftT0aD2A@mail.gmail.com
Diffstat (limited to 'src/backend/tcop/postgres.c')
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