MetadataFilter

oxirs_vec::filtered_search

Enum MetadataFilter 

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pub enum MetadataFilter {

Show 15 variants    Equals {
        field: String,
        value: FilterValue,
    },
    NotEquals {
        field: String,
        value: FilterValue,
    },
    GreaterThan {
        field: String,
        value: FilterValue,
    },
    GreaterThanOrEqual {
        field: String,
        value: FilterValue,
    },
    LessThan {
        field: String,
        value: FilterValue,
    },
    LessThanOrEqual {
        field: String,
        value: FilterValue,
    },
    In {
        field: String,
        values: Vec<FilterValue>,
    },
    NotIn {
        field: String,
        values: Vec<FilterValue>,
    },
    Contains {
        field: String,
        substring: String,
    },
    Regex {
        field: String,
        pattern: String,
    },
    Exists {
        field: String,
    },
    NotExists {
        field: String,
    },
    And(Vec<MetadataFilter>),
    Or(Vec<MetadataFilter>),
    Not(Box<MetadataFilter>),

}
Expand description

Metadata filter for search operations

Variants§

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Equals

Exact match on a metadata field

Fields

§field: String
§value: FilterValue
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NotEquals

Field value is not equal to the given value

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§field: String
§value: FilterValue
§

GreaterThan

Field value is greater than the given value

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§field: String
§value: FilterValue
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GreaterThanOrEqual

Field value is greater than or equal to the given value

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§field: String
§value: FilterValue
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LessThan

Field value is less than the given value

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§field: String
§value: FilterValue
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LessThanOrEqual

Field value is less than or equal to the given value

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§field: String
§value: FilterValue
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In

Field value is in the given set

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§field: String
§values: Vec<FilterValue>
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NotIn

Field value is not in the given set

Fields

§field: String
§values: Vec<FilterValue>
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Contains

Field value contains the given substring

Fields

§field: String
§substring: String
§

Regex

Field value matches the given regex pattern

Fields

§field: String
§pattern: String
§

Exists

Field exists (has any value)

Fields

§field: String
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NotExists

Field does not exist or is null

Fields

§field: String
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And(Vec<MetadataFilter>)

Logical AND of multiple filters

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Or(Vec<MetadataFilter>)

Logical OR of multiple filters

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Not(Box<MetadataFilter>)

Logical NOT of a filter

Implementations§

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impl MetadataFilter

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pub fn evaluate(&self, metadata: &HashMap<String, String>) -> bool

Evaluate the filter against a metadata map

Trait Implementations§

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impl Clone for MetadataFilter

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fn clone(&self) -> MetadataFilter

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for MetadataFilter

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for MetadataFilter

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Serialize for MetadataFilter

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more

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