Statement

Enum Statement 

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pub enum Statement {
Show 17 variants ShowColumns { table_name: String, }, Query(Query), Insert { table_name: String, columns: Vec<String>, source: Query, }, Update { table_name: String, assignments: Vec<Assignment>, selection: Option<Expr>, }, Delete { table_name: String, selection: Option<Expr>, }, CreateTable { if_not_exists: bool, name: String, columns: Option<Vec<ColumnDef>>, source: Option<Box<Query>>, engine: Option<String>, foreign_keys: Vec<ForeignKey>, comment: Option<String>, }, CreateFunction { or_replace: bool, name: String, args: Vec<OperateFunctionArg>, return_: Expr, }, AlterTable { name: String, operation: AlterTableOperation, }, DropTable { if_exists: bool, names: Vec<String>, cascade: bool, }, DropFunction { if_exists: bool, names: Vec<String>, }, CreateIndex { name: String, table_name: String, column: OrderByExpr, }, DropIndex { name: String, table_name: String, }, StartTransaction, Commit, Rollback, ShowVariable(Variable), ShowIndexes(String),
}

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ShowColumns

Fields

§table_name: String
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Query(Query)

SELECT, VALUES

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Insert

INSERT

Fields

§table_name: String

TABLE

§columns: Vec<String>

COLUMNS

§source: Query

A SQL query that specifies what to insert

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Update

UPDATE

Fields

§table_name: String

TABLE

§assignments: Vec<Assignment>

Column assignments

§selection: Option<Expr>

WHERE

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Delete

DELETE

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§table_name: String

FROM

§selection: Option<Expr>

WHERE

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CreateTable

CREATE TABLE

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§if_not_exists: bool
§name: String

Table name

§columns: Option<Vec<ColumnDef>>

Optional schema

§source: Option<Box<Query>>
§engine: Option<String>
§foreign_keys: Vec<ForeignKey>
§comment: Option<String>
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CreateFunction

CREATE FUNCTION

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§or_replace: bool
§name: String
§args: Vec<OperateFunctionArg>

Optional schema

§return_: Expr
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AlterTable

ALTER TABLE

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§name: String

Table name

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DropTable

DROP TABLE

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§if_exists: bool

An optional IF EXISTS clause. (Non-standard.)

§names: Vec<String>

One or more objects to drop. (ANSI SQL requires exactly one.)

§cascade: bool

An optional CASCADE clause for dropping dependent constructs.

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DropFunction

DROP FUNCTION

Fields

§if_exists: bool

An optional IF EXISTS clause. (Non-standard.)

§names: Vec<String>

One or more objects to drop. (ANSI SQL requires exactly one.)

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CreateIndex

CREATE INDEX

Fields

§name: String
§table_name: String
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DropIndex

DROP INDEX

Fields

§name: String
§table_name: String
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StartTransaction

START TRANSACTION, BEGIN

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Commit

COMMIT

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Rollback

ROLLBACK

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ShowVariable(Variable)

SHOW VARIABLE

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ShowIndexes(String)

Trait Implementations§

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impl Build for Statement

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impl Clone for Statement

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fn clone(&self) -> Statement

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 Statement

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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<'de> Deserialize<'de> for Statement

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Hash for Statement

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for Statement

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

Tests for self and other values to be equal, and is used by ==.
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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 Serialize for Statement

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl Eq for Statement

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impl StructuralPartialEq for Statement

Auto Trait 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<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<T, B> Execute<T> for B
where T: GStore + GStoreMut, B: Build,

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fn execute<'life0, 'async_trait>( self, glue: &'life0 mut Glue<T>, ) -> Pin<Box<dyn Future<Output = Result<Payload>> + Send + 'async_trait>>
where Self: Send + 'async_trait, 'life0: 'async_trait,

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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, U> Into<U> 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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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,