[sr-dev] git:5.1:ece17dee: db_mongodb: iterate on projection fields for matching cols in result

Module: kamailio Branch: 5.1 Commit: ece17deeba435ed19c16fc2a227d351fd6013f86 URL: https://github.com/kamailio/kamailio/commit/ece17deeba435ed19c16fc2a227d351… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2018-03-01T15:52:29+01:00 db_mongodb: iterate on projection fields for matching cols in result (cherry picked from commit aab4f5db964bf1980729ed8b7770f550bb86b72b) --- Modified: src/modules/db_mongodb/mongodb_dbase.c --- Diff: https://github.com/kamailio/kamailio/commit/ece17deeba435ed19c16fc2a227d351… Patch: https://github.com/kamailio/kamailio/commit/ece17deeba435ed19c16fc2a227d351… --- diff --git a/src/modules/db_mongodb/mongodb_dbase.c b/src/modules/db_mongodb/mongodb_dbase.c index 1e790b8b9d..aba482d352 100644 --- a/src/modules/db_mongodb/mongodb_dbase.c +++ b/src/modules/db_mongodb/mongodb_dbase.c @@ -316,10 +316,12 @@ int db_mongodb_get_columns(const db1_con_t* _h, db1_res_t* _r) int col; db_mongodb_result_t *mgres; bson_iter_t riter; + bson_iter_t titer; bson_iter_t citer; bson_t *cdoc; const char *colname; bson_type_t coltype; + int cdocproj; if ((!_h) || (!_r)) { LM_ERR("invalid parameter\n"); @@ -338,8 +340,10 @@ int db_mongodb_get_columns(const db1_con_t* _h, db1_res_t* _r) return -1; } cdoc = mgres->rdoc; + cdocproj = 0; } else { cdoc = mgres->colsdoc; + cdocproj = 1; } RES_COL_N(_r) = mgres->nrcols; if (!RES_COL_N(_r)) { @@ -355,9 +359,25 @@ int db_mongodb_get_columns(const db1_con_t* _h, db1_res_t* _r) return -3; } - if (!bson_iter_init (&citer, cdoc)) { - LM_ERR("failed to initialize columns iterator\n"); - return -3; + if(cdocproj == 1) { + if (!bson_iter_init (&titer, cdoc)) { + LM_ERR("failed to initialize columns iterator\n"); + return -3; + } + if(!bson_iter_find(&titer, "projection") + || !BSON_ITER_HOLDS_DOCUMENT (&titer)) { + LM_ERR("failed to find projection field\n"); + return -3; + } + if(!bson_iter_recurse (&titer, &citer)) { + LM_ERR("failed to init projection iterator\n"); + return -3; + } + } else { + if (!bson_iter_init (&citer, cdoc)) { + LM_ERR("failed to initialize columns iterator\n"); + return -3; + } } if(mgres->colsdoc) { if (!bson_iter_init (&riter, mgres->rdoc)) {