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.TH "MONGOC_COLLECTION_ENSURE_INDEX" "3" "May 07, 2024" "1.27.1" "libmongoc"
.sp
\fBWARNING:\fP
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.INDENT 3.5
Deprecated since version 1.8.0: This function is deprecated and should not be used in new code. See \fI\%Manage Collection Indexes\fP\&.

.UNINDENT
.UNINDENT
.SH SYNOPSIS
.INDENT 0.0
.INDENT 3.5
.sp
.EX
bool
mongoc_collection_ensure_index (mongoc_collection_t *collection,
                                const bson_t *keys,
                                const mongoc_index_opt_t *opt,
                                bson_error_t *error)
   BSON_GNUC_DEPRECATED;
.EE
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.UNINDENT
.SH PARAMETERS
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.IP \(bu 2
\fBcollection\fP: A \fI\%mongoc_collection_t\fP\&.
.IP \(bu 2
\fBkeys\fP: A \fI\%bson_t\fP\&.
.IP \(bu 2
\fBopt\fP: A mongoc_index_opt_t.
.IP \(bu 2
\fBerror\fP: An optional location for a \fI\%bson_error_t\fP or \fBNULL\fP\&.
.UNINDENT
.SH ERRORS
.sp
Errors are propagated via the \fBerror\fP parameter.
.SH AUTHOR
MongoDB, Inc
.SH COPYRIGHT
2017-present, MongoDB, Inc
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