Struct ParsedCompositeUnique
pub struct ParsedCompositeUnique {
pub fields: Vec<String>,
pub where_predicate: Option<String>,
}Expand description
The parsed shape of an @@unique([...], where: "...") attribute.
Fields§
§fields: Vec<String>Local field names, in declaration order — the unique index’s
column order. It’s also part of the generated index name
(<table>_<col1>_<col2>_key), so reordering the list is a
rename.
where_predicate: Option<String>where: "<sql predicate>" (cratestack#742) — makes the
constraint a partial unique index (unique only among rows
matching the predicate), carried verbatim into a trailing
WHERE <predicate> on the emitted CREATE UNIQUE INDEX. None
means the constraint applies to every row, which renders
byte-identical DDL to before this field existed.
Trait Implementations§
§impl Clone for ParsedCompositeUnique
impl Clone for ParsedCompositeUnique
§fn clone(&self) -> ParsedCompositeUnique
fn clone(&self) -> ParsedCompositeUnique
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source. Read more§impl Debug for ParsedCompositeUnique
impl Debug for ParsedCompositeUnique
impl Eq for ParsedCompositeUnique
§impl PartialEq for ParsedCompositeUnique
impl PartialEq for ParsedCompositeUnique
§fn eq(&self, other: &ParsedCompositeUnique) -> bool
fn eq(&self, other: &ParsedCompositeUnique) -> bool
self and other values to be equal, and is used by ==.impl StructuralPartialEq for ParsedCompositeUnique
Auto Trait Implementations§
impl Freeze for ParsedCompositeUnique
impl RefUnwindSafe for ParsedCompositeUnique
impl Send for ParsedCompositeUnique
impl Sync for ParsedCompositeUnique
impl Unpin for ParsedCompositeUnique
impl UnsafeUnpin for ParsedCompositeUnique
impl UnwindSafe for ParsedCompositeUnique
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