pub struct ParsedDateTime {
    pub millennium: Option<DateTimeFieldValue>,
    pub century: Option<DateTimeFieldValue>,
    pub decade: Option<DateTimeFieldValue>,
    pub year: Option<DateTimeFieldValue>,
    pub month: Option<DateTimeFieldValue>,
    pub day: Option<DateTimeFieldValue>,
    pub hour: Option<DateTimeFieldValue>,
    pub minute: Option<DateTimeFieldValue>,
    pub second: Option<DateTimeFieldValue>,
    pub millisecond: Option<DateTimeFieldValue>,
    pub microsecond: Option<DateTimeFieldValue>,
    pub timezone_offset_second: Option<Timezone>,
}
Expand description

All of the fields that can appear in a literal DATE, TIME, TIMESTAMP or INTERVAL string.

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§millennium: Option<DateTimeFieldValue>§century: Option<DateTimeFieldValue>§decade: Option<DateTimeFieldValue>§year: Option<DateTimeFieldValue>§month: Option<DateTimeFieldValue>§day: Option<DateTimeFieldValue>§hour: Option<DateTimeFieldValue>§minute: Option<DateTimeFieldValue>§second: Option<DateTimeFieldValue>§millisecond: Option<DateTimeFieldValue>§microsecond: Option<DateTimeFieldValue>§timezone_offset_second: Option<Timezone>

Implementations§

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impl ParsedDateTime

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pub fn compute_interval(&self) -> Result<Interval, String>

Compute an Interval from an ParsedDateTime.

Errors
  • If any component overflows a parameter (i.e. i64).
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fn add_field( &self, d: DateTimeField, months: &mut i32, days: &mut i32, micros: &mut i64 ) -> Result<(), String>

Adds the appropriate values from self’s ParsedDateTime to months, days, and micros. These fields are then appropriate to construct std::time::Duration, once accounting for their sign.

Errors
  • If any component overflows a parameter (i.e. i64).
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pub fn compute_date(&self) -> Result<NaiveDate, String>

Compute a chrono::NaiveDate from an ParsedDateTime.

Errors

Note: Postgres does not recognize Year 0, but in order to make arithmetic work as expected, the Year 1 BC in a ParsedDateTime is mapped to the Year 0 in a NaiveDate, and vice-versa.

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pub fn compute_time(&self) -> Result<NaiveTime, String>

Compute a chrono::NaiveDate from an ParsedDateTime.

Errors
  • If hour, minute, or second (both unit and fraction) overflow u32.
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pub fn build_parsed_datetime_interval( value: &str, leading_time_precision: Option<DateTimeField>, ambiguous_resolver: DateTimeField ) -> Result<ParsedDateTime, String>

Builds a ParsedDateTime from an interval string (value).

Arguments
  • value is a PostgreSQL-compatible interval string, e.g INTERVAL 'value'.
  • leading_time_precision optionally identifies the leading time component HOUR | MINUTE to disambiguate {}:{} formatted intervals
  • ambiguous_resolver identifies the DateTimeField of the final part if it’s ambiguous, e.g. in INTERVAL '1' MONTH ‘1’ is ambiguous as its DateTimeField, but MONTH resolves the ambiguity.
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pub fn build_parsed_datetime_timestamp( value: &str ) -> Result<ParsedDateTime, String>

Builds a ParsedDateTime from a TIMESTAMP string (value).

Arguments
  • value is a SQL-formatted TIMESTAMP string.
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pub fn build_parsed_datetime_time(value: &str) -> Result<ParsedDateTime, String>

Builds a ParsedDateTime from a TIME string (value).

Arguments
  • value is a SQL-formatted TIME string.
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pub fn write_field_iff_none( &mut self, f: DateTimeField, u: Option<DateTimeFieldValue> ) -> Result<(), String>

Write to the specified field of a ParsedDateTime iff it is currently set to None; otherwise generate an error to propagate to the user.

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fn seconds_has_fraction(&self) -> bool

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pub fn check_datelike_bounds(&mut self) -> Result<(), String>

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pub fn check_interval_bounds(&self, d: DateTimeField) -> Result<(), String>

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pub fn clear_date(&mut self)

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fn units_of(&self, field: DateTimeField) -> Option<DateTimeFieldValue>

Retrieve any value that we parsed out of the literal string for the field.

Trait Implementations§

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impl Clone for ParsedDateTime

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fn clone(&self) -> ParsedDateTime

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

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

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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 Default for ParsedDateTime

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Hash for ParsedDateTime

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for ParsedDateTime

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fn eq(&self, other: &ParsedDateTime) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for ParsedDateTime

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impl StructuralEq for ParsedDateTime

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impl StructuralPartialEq for ParsedDateTime

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Compare self to key and return true if they are equal.
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fn equivalent(&self, key: &K) -> bool

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type Output = u64

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