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Diffstat (limited to 'docs/tutorial/tut_mongo_sync_query_complex.h')
-rw-r--r-- | docs/tutorial/tut_mongo_sync_query_complex.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/docs/tutorial/tut_mongo_sync_query_complex.h b/docs/tutorial/tut_mongo_sync_query_complex.h new file mode 100644 index 0000000..145ab0e --- /dev/null +++ b/docs/tutorial/tut_mongo_sync_query_complex.h @@ -0,0 +1,43 @@ +/** @page tut_mongo_sync_query_complex Querying documents, part two + * + * We learned how to make simple queries in the previous section, + * we'll be brave and do something much more advanced this time: we'll + * limit the query to documents that have their @c "yes?" field set to + * @a FALSE, and sort the results by the @c "n" field, in ascending + * order. + * + * @dontinclude tut_mongo_sync.c + * @skip tut_sync_query_simple + * @skip } + * @skip void + * @until { + * + * @until gint i + * + * @until } + * + * After our routine connect, we build the query and select BSON + * objects: + * + * @until bson_finish (select) + * + * Then we launch the query: + * @until bson_free (select) + * + * And make a cursor, just like last time: + * @until } + * + * And that's pretty much the bulk of what we wanted to do: we just + * constructed our query and select BSON objects appropriately, and + * mongo_sync_cmd_query() does the rest. + * + * But just to make sure our results are sane, we iterate over the + * returned documents, and print the fields we're interested in: + * + * @until i++ + * @until } + * + * And when that is done, all that is left, is to clean up after + * ourselves: + * @until } + */ |