Версия протокола
СУБД «Енисей» поддерживает протокол работы с MongoDB версии 5.0+
Отличия от нативного протокола
1. Uses the same protocol error names and codes, but the exact error messages may be different in some cases.
2. Does not support NUL (\0) characters in strings.
3. Does not support nested arrays.
4. Converts -0 (negative zero) to 0 (positive zero).
5. Document restrictions:
o document keys must not contain . sign;
o document keys must not start with $ sign;
o document fields of double type must not contain Infinity, -Infinity, or NaN values.
6. When insert command is called, insert documents must not have duplicate keys.
7. Update command restrictions:
o update operations producing Infinity, -Infinity, or NaN are not supported.
8. Database and collection names restrictions:
o name cannot start with the reserved prefix _ferretdb_;
o database name must not include non-latin letters;
o collection name must be valid UTF-8 characters;
9. Offers the same validation rules for the scale parameter in both the collStats and dbStats commands. If an invalid scale value is provided in the dbStats command, the same error codes will be triggered as with the collStats command.
2. Does not support NUL (\0) characters in strings.
3. Does not support nested arrays.
4. Converts -0 (negative zero) to 0 (positive zero).
5. Document restrictions:
o document keys must not contain . sign;
o document keys must not start with $ sign;
o document fields of double type must not contain Infinity, -Infinity, or NaN values.
6. When insert command is called, insert documents must not have duplicate keys.
7. Update command restrictions:
o update operations producing Infinity, -Infinity, or NaN are not supported.
8. Database and collection names restrictions:
o name cannot start with the reserved prefix _ferretdb_;
o database name must not include non-latin letters;
o collection name must be valid UTF-8 characters;
9. Offers the same validation rules for the scale parameter in both the collStats and dbStats commands. If an invalid scale value is provided in the dbStats command, the same error codes will be triggered as with the collStats command.
Поддерживаемые команды
Query commands
Update Operators
The following operators and modifers are available in the update and findAndModify commands.
Projectlon Operators
The following operators are available in the find command projection argument.
Query Plan Cache Commands
Free Monitoring Commands
Database Operations
User Management Commands
Authentication Commands
Role Management Commands
Replication Commands
Session Commands
Related issue.
Related issue.
Aggregation pipelines
Related issue.
Aggregation pipeline stages
Aggregation pipeline operators
Administration commands
Diagnostic commands
