Struct sea_query::query::UpdateStatement

pub struct UpdateStatement { /* fields omitted */ }

Update existing rows in the table

Examples

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

let query = Query::update()
    .table(Glyph::Table)
    .values(vec![
        (Glyph::Aspect, 1.23.into()),
        (Glyph::Image, "123".into()),
    ])
    .and_where(Expr::col(Glyph::Id).eq(1))
    .to_owned();

assert_eq!(
    query.to_string(MysqlQueryBuilder),
    r#"UPDATE `glyph` SET `aspect` = 1.23, `image` = '123' WHERE `id` = 1"#
);
assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"UPDATE "glyph" SET "aspect" = 1.23, "image" = '123' WHERE "id" = 1"#
);
assert_eq!(
    query.to_string(SqliteQueryBuilder),
    r#"UPDATE `glyph` SET `aspect` = 1.23, `image` = '123' WHERE `id` = 1"#
);

Implementations

impl UpdateStatement

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

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

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

impl UpdateStatement

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

pub fn order_by_tbl<T, C>(
    &mut self,
    table: T,
    col: C,
    order: Order
) -> &mut Self where
    T: IntoIden,
    C: IntoIden, 

👎 Deprecated since 0.9.0:

Please use the [OrderedStatement::order_by] with a tuple as [ColumnRef]

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

pub fn order_by_customs<T>(&mut self, cols: Vec<(T, Order)>) -> &mut Self where
    T: ToString, 

pub fn order_by_columns<T>(&mut self, cols: Vec<(T, Order)>) -> &mut Self where
    T: IntoColumnRef, 

pub fn order_by_table_columns<T, C>(
    &mut self,
    cols: Vec<(T, C, Order)>
) -> &mut Self where
    T: IntoIden,
    C: IntoIden, 

👎 Deprecated since 0.9.0:

Please use the [OrderedStatement::order_by_columns] with a tuple as [ColumnRef]

impl UpdateStatement

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

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

pub fn or_where(&mut self, other: SimpleExpr) -> &mut Self

👎 Deprecated since 0.12.0:

Please use [ConditionalStatement::cond_where]. Calling or_where after and_where will panic.

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

impl UpdateStatement

pub fn new() -> Self

Construct a new UpdateStatement

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

Specify which table to update.

Examples

See UpdateStatement::values

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

👎 Deprecated since 0.5.0:

Please use the UpdateStatement::table function instead

pub fn col_expr<T>(&mut self, col: T, expr: SimpleExpr) -> &mut Self where
    T: IntoIden, 

Update column value by SimpleExpr.

Examples

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

let query = Query::update()
    .table(Glyph::Table)
    .col_expr(Glyph::Aspect, Expr::cust("60 * 24 * 24"))
    .values(vec![
        (Glyph::Image, "24B0E11951B03B07F8300FD003983F03F0780060".into()),
    ])
    .and_where(Expr::col(Glyph::Id).eq(1))
    .to_owned();

assert_eq!(
    query.to_string(MysqlQueryBuilder),
    r#"UPDATE `glyph` SET `aspect` = 60 * 24 * 24, `image` = '24B0E11951B03B07F8300FD003983F03F0780060' WHERE `id` = 1"#
);
assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"UPDATE "glyph" SET "aspect" = 60 * 24 * 24, "image" = '24B0E11951B03B07F8300FD003983F03F0780060' WHERE "id" = 1"#
);
assert_eq!(
    query.to_string(SqliteQueryBuilder),
    r#"UPDATE `glyph` SET `aspect` = 60 * 24 * 24, `image` = '24B0E11951B03B07F8300FD003983F03F0780060' WHERE `id` = 1"#
);

pub fn value_expr<T>(&mut self, col: T, expr: SimpleExpr) -> &mut Self where
    T: IntoIden, 

Alias of UpdateStatement::col_expr

pub fn values<T, I>(&mut self, values: I) -> &mut Self where
    T: IntoIden,
    I: IntoIterator<Item = (T, Value)>, 

Update column values. To set multiple column-value pairs at once.

Examples

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

let query = Query::update()
    .table(Glyph::Table)
    .values(vec![
        (Glyph::Aspect, 2.1345.into()),
        (Glyph::Image, "235m".into()),
    ])
    .and_where(Expr::col(Glyph::Id).eq(1))
    .to_owned();

assert_eq!(
    query.to_string(MysqlQueryBuilder),
    r#"UPDATE `glyph` SET `aspect` = 2.1345, `image` = '235m' WHERE `id` = 1"#
);
assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"UPDATE "glyph" SET "aspect" = 2.1345, "image" = '235m' WHERE "id" = 1"#
);
assert_eq!(
    query.to_string(SqliteQueryBuilder),
    r#"UPDATE `glyph` SET `aspect` = 2.1345, `image` = '235m' WHERE `id` = 1"#
);

pub fn value<T>(&mut self, col: T, value: Value) -> &mut Self where
    T: IntoIden, 

Update column values.

Examples

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

let query = Query::update()
    .table(Glyph::Table)
    .value(Glyph::Aspect, 2.1345.into())
    .value(Glyph::Image, "235m".into())
    .and_where(Expr::col(Glyph::Id).eq(1))
    .to_owned();

assert_eq!(
    query.to_string(MysqlQueryBuilder),
    r#"UPDATE `glyph` SET `aspect` = 2.1345, `image` = '235m' WHERE `id` = 1"#
);
assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"UPDATE "glyph" SET "aspect" = 2.1345, "image" = '235m' WHERE "id" = 1"#
);
assert_eq!(
    query.to_string(SqliteQueryBuilder),
    r#"UPDATE `glyph` SET `aspect` = 2.1345, `image` = '235m' WHERE `id` = 1"#
);

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

Limit number of updated rows.

pub fn returning(&mut self, select: SelectStatement) -> &mut Self

RETURNING expressions. Postgres only.

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

let query = Query::update()
    .table(Glyph::Table)
    .value(Glyph::Aspect, 2.1345.into())
    .value(Glyph::Image, "235m".into())
    .and_where(Expr::col(Glyph::Id).eq(1))
    .returning(Query::select().column(Glyph::Id).take())
    .to_owned();

assert_eq!(
    query.to_string(MysqlQueryBuilder),
    r#"UPDATE `glyph` SET `aspect` = 2.1345, `image` = '235m' WHERE `id` = 1"#
);
assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"UPDATE "glyph" SET "aspect" = 2.1345, "image" = '235m' WHERE "id" = 1 RETURNING "id""#
);
assert_eq!(
    query.to_string(SqliteQueryBuilder),
    r#"UPDATE `glyph` SET `aspect` = 2.1345, `image` = '235m' WHERE `id` = 1"#
);

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

RETURNING a column after update. Postgres only. Wrapper over UpdateStatement::returning().

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

let query = Query::update()
    .table(Glyph::Table)
    .table(Glyph::Table)
    .value(Glyph::Aspect, 2.1345.into())
    .value(Glyph::Image, "235m".into())
    .and_where(Expr::col(Glyph::Id).eq(1))
    .returning_col(Glyph::Id)
    .to_owned();

assert_eq!(
    query.to_string(MysqlQueryBuilder),
    r#"UPDATE `glyph` SET `aspect` = 2.1345, `image` = '235m' WHERE `id` = 1"#
);
assert_eq!(
    query.to_string(PostgresQueryBuilder),
    r#"UPDATE "glyph" SET "aspect" = 2.1345, "image" = '235m' WHERE "id" = 1 RETURNING "id""#
);
assert_eq!(
    query.to_string(SqliteQueryBuilder),
    r#"UPDATE `glyph` SET `aspect` = 2.1345, `image` = '235m' WHERE `id` = 1"#
);

Trait Implementations

impl Clone for UpdateStatement

fn clone(&self) -> UpdateStatement

Returns a copy of the value.

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

Performs copy-assignment from source.

impl ConditionalStatement for UpdateStatement

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

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.

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

And where condition. This cannot be mixed with ConditionalStatement::or_where. Calling or_where after and_where will panic.

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

Optional and where, short hand for if c.is_some() q.and_where(c).

fn or_where(&mut self, other: SimpleExpr) -> &mut Self

👎 Deprecated since 0.12.0:

Please use [ConditionalStatement::cond_where]. Calling or_where after and_where will panic.

Or where condition. This cannot be mixed with ConditionalStatement::and_where. Calling or_where after and_where will panic.

impl Debug for UpdateStatement

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

Formats the value using the given formatter.

impl Default for UpdateStatement

fn default() -> Self

Returns the “default value” for a type.

impl OrderedStatement for UpdateStatement

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

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

Order by column.

fn order_by_tbl<T, C>(&mut self, table: T, col: C, order: Order) -> &mut Self where
    T: IntoIden,
    C: IntoIden, 

👎 Deprecated since 0.9.0:

Please use the [OrderedStatement::order_by] with a tuple as [ColumnRef]

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

Order by SimpleExpr.

fn order_by_customs<T>(&mut self, cols: Vec<(T, Order)>) -> &mut Self where
    T: ToString, 

Order by custom string.

fn order_by_columns<T>(&mut self, cols: Vec<(T, Order)>) -> &mut Self where
    T: IntoColumnRef, 

Order by vector of columns.

fn order_by_table_columns<T, C>(
    &mut self,
    cols: Vec<(T, C, Order)>
) -> &mut Self where
    T: IntoIden,
    C: IntoIden, 

👎 Deprecated since 0.9.0:

Please use the [OrderedStatement::order_by_columns] with a tuple as [ColumnRef]

impl QueryStatementBuilder for UpdateStatement

fn build_collect<T: QueryBuilder>(
    &self,
    query_builder: T,
    collector: &mut dyn FnMut(Value)
) -> String

Build corresponding SQL statement for certain database backend and collect query parameters

Examples

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

let query = Query::update()
    .table(Glyph::Table)
    .values(vec![
        (Glyph::Aspect, 2.1345.into()),
        (Glyph::Image, "235m".into()),
    ])
    .and_where(Expr::col(Glyph::Id).eq(1))
    .to_owned();

assert_eq!(
    query.to_string(MysqlQueryBuilder),
    r#"UPDATE `glyph` SET `aspect` = 2.1345, `image` = '235m' WHERE `id` = 1"#
);

let mut params = Vec::new();
let mut collector = |v| params.push(v);

assert_eq!(
    query.build_collect(MysqlQueryBuilder, &mut collector),
    r#"UPDATE `glyph` SET `aspect` = ?, `image` = ? WHERE `id` = ?"#
);
assert_eq!(
    params,
    vec![
        Value::Double(Some(2.1345)),
        Value::String(Some(Box::new(String::from("235m")))),
        Value::Int(Some(1)),
    ]
);

fn build_collect_any(
    &self,
    query_builder: &dyn QueryBuilder,
    collector: &mut dyn FnMut(Value)
) -> String

Build corresponding SQL statement for certain database backend and collect query parameters

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

Build corresponding SQL statement for certain database backend and return SQL string

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

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

Build corresponding SQL statement for certain database backend and collect query parameters into a vector