when dealing with large db_text files, pkg_memory is not suitable for operating the database.

implementing fetch allows modules like presence & registrar & usrloc to query large tables without constraints on pkg_memory.

creates tmp tables in shared memory for query results

(cherry picked from commit 18c64d2c9ff1527655055f75aa22e7d68c307874)

Conflicts: src/modules/db_text/db_text.c src/modules/db_text/dbt_api.c src/modules/db_text/dbt_base.c src/modules/db_text/dbt_lib.c You can view, comment on, or merge this pull request online at:

https://github.com/kamailio/kamailio/pull/941

-- Commit Summary --

* db_text: implement fetch and memory constraints

-- File Changes --

M src/modules/db_text/db_text.c (9) M src/modules/db_text/db_text.h (4) M src/modules/db_text/dbt_api.c (107) M src/modules/db_text/dbt_api.h (6) M src/modules/db_text/dbt_base.c (185) M src/modules/db_text/dbt_lib.c (62) M src/modules/db_text/dbt_lib.h (6) M src/modules/db_text/dbt_res.c (202) M src/modules/db_text/dbt_res.h (14) M src/modules/db_text/dbt_tb.c (4)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/941.patch https://github.com/kamailio/kamailio/pull/941.diff