Enum Statement 

pub enum Statement {
    Select {
        table_name: String,
        projections: Vec<String>,
        where_clause: Option<WhereClause>,
    },
    Insert {
        table_name: String,
        item: HashMap<String, PartiqlValue>,
        if_not_exists: bool,
    },
    #[non_exhaustive]
    Update {
        table_name: String,
        set_clauses: Vec<SetClause>,
        remove_paths: Vec<String>,
        where_clause: Option<WhereClause>,
        returning: Option<ReturningVariant>,
    },
    #[non_exhaustive]
    Delete {
        table_name: String,
        where_clause: Option<WhereClause>,
        returning: Option<ReturningVariant>,
    },
}

A parsed PartiQL statement.

The Update and Delete variants are #[non_exhaustive]: they carry a growing set of clauses (a RETURNING variant was added in 0.12.0), so downstream code must match them with .. and cannot build them by struct literal. This keeps later clause additions non-breaking, matching the precedent set by DynoxideError.

Variants

Select

Fields

table_name: String

projections: Vec<String>

where_clause: Option<WhereClause>

Insert

Fields

table_name: String

item: HashMap<String, PartiqlValue>

if_not_exists: bool

#[non_exhaustive]

Update

Fields

Non-exhaustive enum variants could have additional fields added in future. Therefore, non-exhaustive enum variants cannot be constructed in external crates and cannot be matched against.

table_name: String

set_clauses: Vec<SetClause>

remove_paths: Vec<String>

where_clause: Option<WhereClause>

returning: Option<ReturningVariant>

The RETURNING variant when the statement ends with a RETURNING clause. All four variants are valid on UPDATE. None when absent.

#[non_exhaustive]

Delete

Fields

Non-exhaustive enum variants could have additional fields added in future. Therefore, non-exhaustive enum variants cannot be constructed in external crates and cannot be matched against.

table_name: String

where_clause: Option<WhereClause>

returning: Option<ReturningVariant>

The RETURNING variant when the statement ends with a RETURNING clause. DynamoDB allows only ALL OLD * on DELETE; the executor rejects the other variants. None when there is no clause.

Trait Implementations

impl Clone for Statement

fn clone(&self) -> Statement

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Statement

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

Formats the value using the given formatter.