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CopyOptionSet

servers::postgres::copy_in::options

Struct CopyOptionSet 

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pub(crate) struct CopyOptionSet {
    entries: Vec<(String, CopyOptionValue)>,
}
Expand description

The options of a COPY ... FROM STDIN WITH (...) statement.

Entries keep statement order; keys are lowercased for lookup and displayed uppercased in error messages.

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§entries: Vec<(String, CopyOptionValue)>

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impl CopyOptionSet

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pub(crate) fn insert( &mut self, key: String, value: CopyOptionValue, ) -> PgWireResult<()>

Adds an option; duplicate keys are rejected like PostgreSQL does.

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pub(crate) fn take_value(&mut self, key: &str) -> Option<CopyOptionValue>

Takes the raw value of key; for codec-specific options whose shape this module does not prescribe.

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pub(crate) fn take_format(&mut self) -> PgWireResult<Option<String>>

Takes the FORMAT option, lowercased. Accepts identifier or string values.

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pub(crate) fn take_string(&mut self, key: &str) -> PgWireResult<Option<String>>

Takes a string-valued option.

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pub(crate) fn take_single_byte(&mut self, key: &str) -> PgWireResult<Option<u8>>

Takes a single one-byte character option. A tab is a legal (and common) CSV delimiter; newlines and other control characters are not, matching PostgreSQL’s rules.

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pub(crate) fn take_flag(&mut self, key: &str) -> PgWireResult<Option<bool>>

Takes a boolean option; a valueless option means TRUE.

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pub(crate) fn reject_leftovers(self, format: &str) -> PgWireResult<()>

Rejects every option not consumed by the format, with one message naming them all. Codecs call this after their take_* calls so a typo cannot be silently ignored.

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impl Debug for CopyOptionSet

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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 CopyOptionSet

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fn default() -> CopyOptionSet

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

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