Struct Message

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pub struct Message {Show 14 fields
    pub id: i64,
    pub session_id: String,
    pub role: Role,
    pub content: Option<String>,
    pub full_content: Option<String>,
    pub tool_calls: Option<String>,
    pub tool_call_id: Option<String>,
    pub prompt_tokens: Option<i64>,
    pub completion_tokens: Option<i64>,
    pub cache_read_tokens: Option<i64>,
    pub cache_creation_tokens: Option<i64>,
    pub thinking_tokens: Option<i64>,
    pub thinking_content: Option<String>,
    pub created_at: Option<String>,
}

Expand description

A stored message row.

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§id: i64

Database row ID.

§session_id: String

Session this message belongs to.

§role: Role

Message role (system, user, assistant, tool).

§content: Option<String>

Text content (may be a summary for Bash results).

§full_content: Option<String>

Full untruncated output (only set for Bash tool results).

§tool_calls: Option<String>

Serialized tool calls JSON.

§tool_call_id: Option<String>

ID of the tool call this responds to.

§prompt_tokens: Option<i64>

Input tokens for this message.

§completion_tokens: Option<i64>

Output tokens for this message.

§cache_read_tokens: Option<i64>

Cached input tokens.

§cache_creation_tokens: Option<i64>

Tokens written to cache.

§thinking_tokens: Option<i64>

Reasoning/thinking tokens.

§thinking_content: Option<String>

Full thinking/reasoning text produced by Claude extended thinking.

None for non-Claude models, or when thinking was disabled. Persisted so the content can be re-rendered on session resume.

§created_at: Option<String>

ISO 8601 creation timestamp.

Trait Implementations§

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impl Clone for Message

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fn clone(&self) -> Message

Returns a duplicate 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 Message

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl UnwindSafe for Message

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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