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#### Description <!-- Describe your changes in detail --> This PR add support for async queries to db_postgres module. Implementation is the same as the mysql and unixodbx modules. You can view, comment on, or merge this pull request online at:

https://github.com/kamailio/kamailio/pull/3010

-- Commit Summary --

* db_postgres: added support for async queries

-- File Changes --

M src/modules/db_postgres/db_postgres.c (2) M src/modules/db_postgres/km_dbase.c (96) M src/modules/db_postgres/km_dbase.h (9)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/3010.patch https://github.com/kamailio/kamailio/pull/3010.diff