Struct Collation

Collation allows users to specify language-specific rules for string comparison, such as rules for lettercase and accent marks.

Fields

Name	Type	Description
alternate	Collation.Alternate	Field that determines whether collation should consider whitespace and punctuation as base characters for purposes of comparison.
backwards	bool	Flag that determines whether strings with diacritics sort from back of the string, such as with some French dictionary ordering.
caseFirst	string	A flag that determines sort order of case differences during tertiary level comparisons.
caseLevel	bool	Flag that determines whether to include case comparison at strength level 1 or 2.
locale	string	The ICU locale
maxVariable	Collation.MaxVariable	Field that determines up to which characters are considered ignorable when alternate: "shifted". Has no effect if alternate: "non-ignorable"
normalization	bool	Flag that determines whether to check if text require normalization and to perform normalization. Generally, majority of text does not require this normalization processing.
numericOrdering	bool	Flag that determines whether to compare numeric strings as numbers or as strings.
strength	int	The level of comparison to perform. Corresponds to ICU Comparison Levels.

Enums

Name	Description
Alternate
MaxVariable

See Also

https://docs.mongodb.com/manual/reference/collation/