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Statement

Enum Statement 

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pub enum Statement {
    Query(Box<Query>),
    Insert {
        table_name: ObjectName,
        columns: Vec<Ident>,
        source: Box<Query>,
    },
    Copy {
        table_name: ObjectName,
        columns: Vec<Ident>,
        values: Vec<Option<String>>,
    },
    Update {
        table_name: ObjectName,
        assignments: Vec<Assignment>,
        selection: Option<Expr>,
    },
    Delete {
        table_name: ObjectName,
        selection: Option<Expr>,
    },
    CreateView {
        name: ObjectName,
        columns: Vec<Ident>,
        query: Box<Query>,
        materialized: bool,
        with_options: Vec<SqlOption>,
    },
    CreateTable {
        if_not_exists: bool,
        name: ObjectName,
        columns: Vec<ColumnDef>,
        constraints: Vec<TableConstraint>,
        with_options: Vec<SqlOption>,
        external: bool,
        file_format: Option<FileFormat>,
        location: Option<String>,
    },
    AlterTable {
        name: ObjectName,
        operation: AlterTableOperation,
    },
    Drop {
        object_type: ObjectType,
        if_exists: bool,
        names: Vec<ObjectName>,
        cascade: bool,
    },
}
Expand description

A top-level statement (SELECT, INSERT, CREATE, etc.)

Variants§

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Query(Box<Query>)

SELECT

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Insert

INSERT

Fields

§table_name: ObjectName

TABLE

§columns: Vec<Ident>

COLUMNS

§source: Box<Query>

A SQL query that specifies what to insert

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Copy

Fields

§table_name: ObjectName

TABLE

§columns: Vec<Ident>

COLUMNS

§values: Vec<Option<String>>

VALUES a vector of values to be copied

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Update

UPDATE

Fields

§table_name: ObjectName

TABLE

§assignments: Vec<Assignment>

Column assignments

§selection: Option<Expr>

WHERE

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Delete

DELETE

Fields

§table_name: ObjectName

FROM

§selection: Option<Expr>

WHERE

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CreateView

CREATE VIEW

Fields

§name: ObjectName

View name

§columns: Vec<Ident>
§query: Box<Query>
§materialized: bool
§with_options: Vec<SqlOption>
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CreateTable

CREATE TABLE

Fields

§if_not_exists: bool
§name: ObjectName

Table name

§columns: Vec<ColumnDef>

Optional schema

§constraints: Vec<TableConstraint>
§with_options: Vec<SqlOption>
§external: bool
§file_format: Option<FileFormat>
§location: Option<String>
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AlterTable

ALTER TABLE

Fields

§name: ObjectName

Table name

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Drop

DROP

Fields

§object_type: ObjectType

The type of the object to drop: TABLE, VIEW, etc.

§if_exists: bool

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

§names: Vec<ObjectName>

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

§cascade: bool

Whether CASCADE was specified. This will be false when RESTRICT or no drop behavior at all was specified.

Trait Implementations§

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impl Clone for Statement

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fn clone(&self) -> Statement

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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 Display 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 Eq for Statement

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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 ==.
1.0.0 (const: unstable) · 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 Statement

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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, 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> 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> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. 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.