DeleteStatement

sea_query::query

Struct DeleteStatement 

pub struct DeleteStatement { /* private fields */ }
Expand description

Delete existing rows from the table

§Examples

use sea_query::{tests_cfg::*, *};

let query = Query::delete()
    .from_table(Glyph::Table)
    .cond_where(any![
        Expr::col(Glyph::Id).lt(1),
        Expr::col(Glyph::Id).gt(10),
    ])
    .to_owned();

assert_eq!(
    query.to_string(MsSqlQueryBuilder),
    r#"DELETE FROM [glyph] WHERE [id] < 1 OR [id] > 10"#
);
assert_eq!(
    query.to_string(MysqlQueryBuilder),
    r#"DELETE FROM `glyph` WHERE `id` < 1 OR `id` > 10"#
);
assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"DELETE FROM "glyph" WHERE "id" < 1 OR "id" > 10"#
);
assert_eq!(
    query.to_string(SqliteQueryBuilder),
    r#"DELETE FROM "glyph" WHERE "id" < 1 OR "id" > 10"#
);

Implementations§

§

impl DeleteStatement

pub fn new() -> Self

Construct a new DeleteStatement

pub fn take(&mut self) -> Self

pub fn from_table<T>(&mut self, tbl_ref: T) -> &mut Self
where T: IntoTableRef,

Specify which table to delete from.

§Examples
use sea_query::{audit::*, tests_cfg::*, *};

let query = Query::delete()
    .from_table(Glyph::Table)
    .and_where(Expr::col(Glyph::Id).eq(1))
    .to_owned();

assert_eq!(
    query.to_string(MsSqlQueryBuilder),
    r#"DELETE FROM [glyph] WHERE [id] = 1"#
);
assert_eq!(
    query.to_string(MysqlQueryBuilder),
    r#"DELETE FROM `glyph` WHERE `id` = 1"#
);
assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"DELETE FROM "glyph" WHERE "id" = 1"#
);
assert_eq!(
    query.to_string(SqliteQueryBuilder),
    r#"DELETE FROM "glyph" WHERE "id" = 1"#
);
assert_eq!(
    query.audit_unwrap().deleted_tables(),
    [Glyph::Table.into_iden()]
);
assert_eq!(query.audit_unwrap().selected_tables(), []);

pub fn limit(&mut self, limit: u64) -> &mut Self

Limit number of updated rows.

pub fn returning(&mut self, returning_cols: ReturningClause) -> &mut Self

RETURNING expressions.

§Examples
use sea_query::{audit::*, tests_cfg::*, *};

let query = Query::delete()
    .from_table(Glyph::Table)
    .and_where(Expr::col(Glyph::Id).eq(1))
    .returning(Query::returning().columns([Glyph::Id]))
    .to_owned();

assert_eq!(
    query.to_string(MsSqlQueryBuilder),
    r#"DELETE FROM [glyph] OUTPUT [id] WHERE [id] = 1"#
);
assert_eq!(
    query.to_string(MysqlQueryBuilder),
    r#"DELETE FROM `glyph` WHERE `id` = 1"#
);
assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"DELETE FROM "glyph" WHERE "id" = 1 RETURNING "id""#
);
assert_eq!(
    query.to_string(SqliteQueryBuilder),
    r#"DELETE FROM "glyph" WHERE "id" = 1 RETURNING "id""#
);
assert_eq!(
    query.audit_unwrap().deleted_tables(),
    [Glyph::Table.into_iden()]
);
assert_eq!(
    query.audit_unwrap().selected_tables(),
    [Glyph::Table.into_iden()]
);

pub fn returning_col<C>(&mut self, col: C) -> &mut Self
where C: IntoColumnRef,

RETURNING expressions for a column.

§Examples
use sea_query::{tests_cfg::*, *};

let query = Query::delete()
    .from_table(Glyph::Table)
    .and_where(Expr::col(Glyph::Id).eq(1))
    .returning_col(Glyph::Id)
    .to_owned();

assert_eq!(
    query.to_string(MsSqlQueryBuilder),
    r#"DELETE FROM [glyph] OUTPUT [id] WHERE [id] = 1"#
);
assert_eq!(
    query.to_string(MysqlQueryBuilder),
    r#"DELETE FROM `glyph` WHERE `id` = 1"#
);
assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"DELETE FROM "glyph" WHERE "id" = 1 RETURNING "id""#
);
assert_eq!(
    query.to_string(SqliteQueryBuilder),
    r#"DELETE FROM "glyph" WHERE "id" = 1 RETURNING "id""#
);

pub fn returning_all(&mut self) -> &mut Self

RETURNING expressions all columns.

§Examples
use sea_query::{tests_cfg::*, *};

let query = Query::delete()
    .from_table(Glyph::Table)
    .and_where(Expr::col(Glyph::Id).eq(1))
    .returning_all()
    .to_owned();

assert_eq!(
    query.to_string(MsSqlQueryBuilder),
    r#"DELETE FROM [glyph] OUTPUT * WHERE [id] = 1"#
);
assert_eq!(
    query.to_string(MysqlQueryBuilder),
    r#"DELETE FROM `glyph` WHERE `id` = 1"#
);
assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"DELETE FROM "glyph" WHERE "id" = 1 RETURNING *"#
);
assert_eq!(
    query.to_string(SqliteQueryBuilder),
    r#"DELETE FROM "glyph" WHERE "id" = 1 RETURNING *"#
);

pub fn with(self, clause: WithClause) -> WithQuery

Create a WithQuery by specifying a WithClause to execute this query with.

§Examples
use sea_query::{IntoCondition, IntoIden, audit::*, tests_cfg::*, *};

let select = SelectStatement::new()
        .columns([Glyph::Id])
        .from(Glyph::Table)
        .and_where(Expr::col(Glyph::Image).like("0%"))
        .to_owned();
    let cte = CommonTableExpression::new()
        .query(select)
        .column(Glyph::Id)
        .table_name("cte")
        .to_owned();
    let with_clause = WithClause::new().cte(cte).to_owned();
    let update = DeleteStatement::new()
        .from_table(Glyph::Table)
        .and_where(Expr::col(Glyph::Id).in_subquery(SelectStatement::new().column(Glyph::Id).from("cte").to_owned()))
        .to_owned();
    let query = update.with(with_clause);

assert_eq!(
    query.to_string(MsSqlQueryBuilder),
    r#"WITH [cte] ([id]) AS (SELECT [id] FROM [glyph] WHERE [image] LIKE '0%') DELETE FROM [glyph] WHERE [id] IN (SELECT [id] FROM [cte])"#
);
assert_eq!(
    query.to_string(MysqlQueryBuilder),
    r#"WITH `cte` (`id`) AS (SELECT `id` FROM `glyph` WHERE `image` LIKE '0%') DELETE FROM `glyph` WHERE `id` IN (SELECT `id` FROM `cte`)"#
);
assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"WITH "cte" ("id") AS (SELECT "id" FROM "glyph" WHERE "image" LIKE '0%') DELETE FROM "glyph" WHERE "id" IN (SELECT "id" FROM "cte")"#
);
assert_eq!(
    query.to_string(SqliteQueryBuilder),
    r#"WITH "cte" ("id") AS (SELECT "id" FROM "glyph" WHERE "image" LIKE '0%') DELETE FROM "glyph" WHERE "id" IN (SELECT "id" FROM "cte")"#
);
assert_eq!(
    query.audit_unwrap().deleted_tables(),
    [Glyph::Table.into_iden()]
);
assert_eq!(
    query.audit_unwrap().selected_tables(),
    [Glyph::Table.into_iden()]
);

pub fn with_cte<C: Into<WithClause>>(&mut self, clause: C) -> &mut Self

Create a Common Table Expression by specifying a CommonTableExpression or WithClause to execute this query with.

§Examples
use sea_query::{IntoCondition, IntoIden, audit::*, tests_cfg::*, *};

let select = SelectStatement::new()
        .columns([Glyph::Id])
        .from(Glyph::Table)
        .and_where(Expr::col(Glyph::Image).like("0%"))
        .to_owned();
    let cte = CommonTableExpression::new()
        .query(select)
        .column(Glyph::Id)
        .table_name("cte")
        .to_owned();
    let with_clause = WithClause::new().cte(cte).to_owned();
    let query = DeleteStatement::new()
        .with_cte(with_clause)
        .from_table(Glyph::Table)
        .and_where(Expr::col(Glyph::Id).in_subquery(SelectStatement::new().column(Glyph::Id).from("cte").to_owned()))
        .to_owned();

assert_eq!(
    query.to_string(MysqlQueryBuilder),
    r#"WITH `cte` (`id`) AS (SELECT `id` FROM `glyph` WHERE `image` LIKE '0%') DELETE FROM `glyph` WHERE `id` IN (SELECT `id` FROM `cte`)"#
);
assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"WITH "cte" ("id") AS (SELECT "id" FROM "glyph" WHERE "image" LIKE '0%') DELETE FROM "glyph" WHERE "id" IN (SELECT "id" FROM "cte")"#
);
assert_eq!(
    query.to_string(SqliteQueryBuilder),
    r#"WITH "cte" ("id") AS (SELECT "id" FROM "glyph" WHERE "image" LIKE '0%') DELETE FROM "glyph" WHERE "id" IN (SELECT "id" FROM "cte")"#
);
assert_eq!(
    query.audit_unwrap().deleted_tables(),
    [Glyph::Table.into_iden()]
);
assert_eq!(
    query.audit_unwrap().selected_tables(),
    [Glyph::Table.into_iden()]
);
§

impl DeleteStatement

pub fn build_collect_any_into( &self, query_builder: &impl QueryBuilder, sql: &mut impl SqlWriter, )

See QueryStatementBuilder::build_collect_any_into

pub fn build_any(&self, query_builder: &impl QueryBuilder) -> (String, Values)

See QueryStatementBuilder::build_any

pub fn build_collect_any( &self, query_builder: &impl QueryBuilder, sql: &mut impl SqlWriter, ) -> String

See QueryStatementBuilder::build_collect_any

§

impl DeleteStatement

pub fn build_collect_into<T: QueryBuilder>( &self, query_builder: T, sql: &mut impl SqlWriter, )

See QueryStatementWriter::build_collect_into

pub fn build_collect<T: QueryBuilder>( &self, query_builder: T, sql: &mut impl SqlWriter, ) -> String

See QueryStatementWriter::build_collect

pub fn build<T: QueryBuilder>(&self, query_builder: T) -> (String, Values)

See QueryStatementWriter::build

pub fn to_string<T: QueryBuilder>(&self, query_builder: T) -> String

See QueryStatementWriter::to_string

§

impl DeleteStatement

pub fn add_order_by(&mut self, order: OrderExpr) -> &mut Self

See OrderedStatement::add_order_by

pub fn clear_order_by(&mut self) -> &mut Self

See OrderedStatement::clear_order_by

pub fn order_by<T>(&mut self, col: T, order: Order) -> &mut Self
where T: IntoColumnRef,

See OrderedStatement::order_by

pub fn order_by_expr(&mut self, expr: Expr, order: Order) -> &mut Self

See OrderedStatement::order_by_expr

pub fn order_by_customs<I, T>(&mut self, cols: I) -> &mut Self
where T: Into<Cow<'static, str>>, I: IntoIterator<Item = (T, Order)>,

See OrderedStatement::order_by_customs

pub fn order_by_columns<I, T>(&mut self, cols: I) -> &mut Self
where T: IntoColumnRef, I: IntoIterator<Item = (T, Order)>,

See OrderedStatement::order_by_columns

pub fn order_by_with_nulls<T>( &mut self, col: T, order: Order, nulls: NullOrdering, ) -> &mut Self
where T: IntoColumnRef,

See OrderedStatement::order_by_with_nulls

pub fn order_by_expr_with_nulls( &mut self, expr: Expr, order: Order, nulls: NullOrdering, ) -> &mut Self

See OrderedStatement::order_by_expr_with_nulls

pub fn order_by_customs_with_nulls<I, T>(&mut self, cols: I) -> &mut Self
where T: Into<Cow<'static, str>>, I: IntoIterator<Item = (T, Order, NullOrdering)>,

See OrderedStatement::order_by_customs_with_nulls

pub fn order_by_columns_with_nulls<I, T>(&mut self, cols: I) -> &mut Self
where T: IntoColumnRef, I: IntoIterator<Item = (T, Order, NullOrdering)>,

See OrderedStatement::order_by_columns_with_nulls

§

impl DeleteStatement

pub fn and_or_where(&mut self, condition: LogicalChainOper) -> &mut Self

See ConditionalStatement::and_or_where

pub fn cond_where<C>(&mut self, condition: C) -> &mut Self
where C: IntoCondition,

See ConditionalStatement::cond_where

pub fn and_where_option(&mut self, other: Option<Expr>) -> &mut Self

See ConditionalStatement::and_where_option

pub fn and_where(&mut self, other: Expr) -> &mut Self

See ConditionalStatement::and_where

§

impl DeleteStatement

pub fn mut_table<F>(&mut self, f: F) -> &mut Self
where F: Fn(Option<&TableRef>) -> Option<TableRef>,

Trait Implementations§

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impl Clone for DeleteStatement

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fn clone(&self) -> DeleteStatement

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 ConditionalStatement for DeleteStatement

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fn cond_where<C>(&mut self, condition: C) -> &mut Self
where C: IntoCondition,

Where condition, expressed with any and all. Calling cond_where multiple times will conjoin them. Calling or_where after cond_where will panic. Read more
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fn and_where(&mut self, other: Expr) -> &mut Self

And where condition. Calling or_where after and_where will panic. Read more
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fn and_where_option(&mut self, other: Option<Expr>) -> &mut Self

Optional and where, short hand for if c.is_some() q.and_where(c). Read more
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impl Debug for DeleteStatement

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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 Default for DeleteStatement

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fn default() -> DeleteStatement

Returns the “default value” for a type. Read more
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impl From<DeleteStatement> for Expr

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fn from(v: DeleteStatement) -> Self

Converts to this type from the input type.
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impl From<DeleteStatement> for QueryStatement

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fn from(s: DeleteStatement) -> Self

Converts to this type from the input type.
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impl From<DeleteStatement> for SubQueryStatement

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fn from(s: DeleteStatement) -> Self

Converts to this type from the input type.
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impl OrderedStatement for DeleteStatement

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fn clear_order_by(&mut self) -> &mut Self

Clear order expressions
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fn order_by<T>(&mut self, col: T, order: Order) -> &mut Self
where T: IntoColumnRef,

Order by column. Read more
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fn order_by_expr(&mut self, expr: Expr, order: Order) -> &mut Self

Order by Expr.
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fn order_by_customs<I, T>(&mut self, cols: I) -> &mut Self
where T: Into<Cow<'static, str>>, I: IntoIterator<Item = (T, Order)>,

Order by custom string.
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fn order_by_columns<I, T>(&mut self, cols: I) -> &mut Self
where T: IntoColumnRef, I: IntoIterator<Item = (T, Order)>,

Order by vector of columns.
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fn order_by_with_nulls<T>( &mut self, col: T, order: Order, nulls: NullOrdering, ) -> &mut Self
where T: IntoColumnRef,

Order by column with nulls order option. Read more
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fn order_by_expr_with_nulls( &mut self, expr: Expr, order: Order, nulls: NullOrdering, ) -> &mut Self

Order by Expr with nulls order option.
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fn order_by_customs_with_nulls<I, T>(&mut self, cols: I) -> &mut Self
where T: Into<Cow<'static, str>>, I: IntoIterator<Item = (T, Order, NullOrdering)>,

Order by custom string with nulls order option.
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fn order_by_columns_with_nulls<I, T>(&mut self, cols: I) -> &mut Self
where T: IntoColumnRef, I: IntoIterator<Item = (T, Order, NullOrdering)>,

Order by vector of columns with nulls order option.
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impl PartialEq for DeleteStatement

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fn eq(&self, other: &DeleteStatement) -> 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 QueryStatementBuilder for DeleteStatement

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fn build_collect_any_into( &self, query_builder: &impl QueryBuilder, sql: &mut impl SqlWriter, )

Build corresponding SQL statement into the SqlWriter for certain database backend and collect query parameters
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fn build_any(&self, query_builder: &impl QueryBuilder) -> (String, Values)

Build corresponding SQL statement for certain database backend and collect query parameters into a vector
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fn build_collect_any( &self, query_builder: &impl QueryBuilder, sql: &mut impl SqlWriter, ) -> String

Build corresponding SQL statement for certain database backend and collect query parameters
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fn into_sub_query_statement(self) -> SubQueryStatement

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impl QueryStatementWriter for DeleteStatement

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fn build_collect_into<T: QueryBuilder>( &self, query_builder: T, sql: &mut impl SqlWriter, )

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fn to_string<T: QueryBuilder>(&self, query_builder: T) -> String

Build corresponding SQL statement for certain database backend and return SQL string Read more
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fn build<T: QueryBuilder>(&self, query_builder: T) -> (String, Values)

Build corresponding SQL statement for certain database backend and collect query parameters into a vector Read more
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fn build_collect<T: QueryBuilder>( &self, query_builder: T, sql: &mut impl SqlWriter, ) -> String

Build corresponding SQL statement for certain database backend and collect query parameters Read more
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impl StructuralPartialEq for DeleteStatement

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where T: 'static + ?Sized,

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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Create any binary operation Read more
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Express a MAX function. Read more
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Express a MIN function. Read more
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Express a SUM function. Read more
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Express a AVG (average) function. Read more
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Express a COUNT function. Read more
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Express a IF NULL function. Read more
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Express an arithmetic division operation. Read more
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Express an equal (=) expression. Read more
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Express a equal expression between two table columns, you will mainly use this to relate identical value between two table columns. Read more
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Express a greater than (>) expression. Read more
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Express a greater than or equal (>=) expression. Read more
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Express a IN sub-query expression. Read more
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Express a IS expression. Read more
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Express a IS NOT expression. Read more
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Express a IS NOT NULL expression. Read more
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Express a IS NULL expression. Read more
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Express a bitwise left shift. Read more
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Express a LIKE expression. Read more
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Express a less than (<) expression. Read more
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where R: Into<Expr>,

Express a less than or equal (<=) expression. Read more
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Express an arithmetic modulo operation. Read more
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Express an arithmetic multiplication operation. Read more
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Negates an expression with NOT. Read more
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Express a not equal expression between two table columns, you will mainly use this to relate identical value between two table columns. Read more
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Express a NOT LIKE expression. Read more
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Express a logical OR operation. Read more
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Express a bitwise right shift. Read more
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Express an arithmetic subtraction operation. Read more
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Express a bitwise AND operation. Read more
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Express a bitwise OR operation. Read more
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Express a ILIKE expression. Read more
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Express a NOT ILIKE expression
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fn get_json_field<T>(self, right: T) -> Expr
where T: Into<Expr>,

Express an sqlite retrieves JSON field as JSON value (->). Read more
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fn cast_json_field<T>(self, right: T) -> Expr
where T: Into<Expr>,

Express an sqlite retrieves JSON field and casts it to an appropriate SQL type (->>). Read more
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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.