OnConflictUpdate

risingwave_meta_model_migration

Enum OnConflictUpdate 

pub enum OnConflictUpdate {
    Column(SeaRc<dyn Iden>),
    Expr(SeaRc<dyn Iden>, SimpleExpr),
}
Expand description

Represents strategies to update column in ON CONFLICT (upsert) actions

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Column(SeaRc<dyn Iden>)

Update column value of existing row with inserting value

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Expr(SeaRc<dyn Iden>, SimpleExpr)

Update column value of existing row with expression

Trait Implementations§

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impl Clone for OnConflictUpdate

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fn clone(&self) -> OnConflictUpdate

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 OnConflictUpdate

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

Formats the value using the given formatter. Read more
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impl PartialEq for OnConflictUpdate

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for OnConflictUpdate

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