MONGOC_INDEX_OPT_T - Online Linux Manual PageSection : 3
Updated : Feb 04, 2021
Source : 1.17.4
Note : libmongoc
NAMEmongoc_index_opt_t − mongoc_index_opt_t
SYNOPSIS #include <mongoc/mongoc.h>
typedef struct {
bool is_initialized;
bool background;
bool unique;
const char *name;
bool drop_dups;
bool sparse;
int32_t expire_after_seconds;
int32_t v;
const bson_t *weights;
const char *default_language;
const char *language_override;
mongoc_index_opt_geo_t *geo_options;
mongoc_index_opt_storage_t *storage_options;
const bson_t *partial_filter_expression;
const bson_t *collation;
void *padding[4];
} mongoc_index_opt_t;
DEPRECATEDThis structure is deprecated and should not be used in new code. See create−indexes.
DESCRIPTIONThis structure contains the options that may be used for tuning a specific index. See the createIndexes documentations in the MongoDB manual for descriptions of individual options. NOTE: dropDups is deprecated as of MongoDB version 3.0.0. This option is silently ignored by the server and unique index builds using this option will fail if a duplicate value is detected.
EXAMPLE {
bson_t keys;
bson_error_t error;
mongoc_index_opt_t opt;
mongoc_index_opt_geo_t geo_opt;
mongoc_index_opt_init (&opt);
mongoc_index_opt_geo_init (&geo_opt);
bson_init (&keys);
BSON_APPEND_UTF8 (&keys, "location", "2d");
geo_opt.twod_location_min = −123;
geo_opt.twod_location_max = +123;
geo_opt.twod_bits_precision = 30;
opt.geo_options = &geo_opt;
collection = mongoc_client_get_collection (client, "test", "geo_test");
if (mongoc_collection_create_index (collection, &keys, &opt, &error)) {
/* Successfully created the geo index */
}
bson_destroy (&keys);
mongoc_collection_destroy (&collection);
}
SEE ALSOmongoc_index_opt_geo_t mongoc_index_opt_wt_t
AUTHORMongoDB, Inc
COPYRIGHT2017-present, MongoDB, Inc 0
Johanes Gumabo
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