MONGOC_CLIENT...YPT_EXPRESSION(3) libmongoc MONGOC_CLIENT...YPT_EXPRESSION(3) SYNOPSIS bool mongoc_client_encryption_encrypt_expression ( mongoc_client_encryption_t *client_encryption, const bson_t *expr, mongoc_client_encryption_encrypt_opts_t *opts, bson_t *expr_out, bson_error_t *error); Added in version 1.24.0. Encrypts a Match Expression or Aggregate Expression to query a range index. To query with a Range encrypted payload, use a mongoc_client_t configured with mongoc_auto_encryption_opts_t. The mongoc_auto_encryption_opts_t may be configured to bypass query analysis with mongoc_auto_encryption_opts_set_bypass_query_analysis(). The mongoc_auto_encryption_opts_t must not be configured to bypass automatic encryption with mongoc_auto_encryption_opts_set_bypass_auto_encryption(). To query with a Range payload, expr must be one of the following forms: 1. A Match Expression of the following form: // $gt may also be $gte. $lt may also be $lte. // Can include one of $gt/$gte/$lt/$lte. It is not required to include both. {"$and": [{"<field>": {"$gt": "<value1>"}}, {"<field>": {"$lt": "<value2>" }}]} 2. An Aggregation Expression of this form: // $gt may also be $gte. $lt may also be $lte // Can include one of $gt/$gte/$lt/$lte. It is not required to include both. {"$and": [{"$gt": ["<fieldpath>", "<value1>"]}, {"$lt": ["<fieldpath>", "<value2>"]}] PARAMETERS * client_encryption: A mongoc_client_encryption_t * expr: The expression to encrypt. * opts: A mongoc_client_encryption_encrypt_opts_t. * expr_out: A bson_t for the resulting encrypted expression. expr_out is always initialized (even on failure). Caller must call bson_destroy() to free. * error: A bson_error_t set on failure. RETURNS Returns true if successful. Returns false and sets error otherwise. SEE ALSO: mongoc_client_encryption_encrypt_opts_t mongoc_client_enable_auto_encryption() mongoc_client_decryption_decrypt() AUTHOR MongoDB, Inc COPYRIGHT 2009-present, MongoDB, Inc. 1.30.8 Aug 27, 2026 MONGOC_CLIENT...YPT_EXPRESSION(3)
SYNOPSIS | PARAMETERS | RETURNS | AUTHOR | COPYRIGHT
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