Expand description
Includes various helper types and bare functions which are named too generically to be included in prelude, but are often used when using Diesel.
Re-exports§
pub use crate::sqlite::expression::dsl::*;
Modules§
- frame
- Different frame clause specifications for window functions
Structs§
- Count
Star - now
- Represents the SQL
CURRENT_TIMESTAMPconstant. This is equivalent to theNOW()function on backends that support it. - today
- Represents the SQL
CURRENT_DATEconstant.
Traits§
- Frame
Bound Dsl - Construct a frame clause for window functions from an integer
- Frame
Clause Dsl - Construct a frame clause for window functions
Functions§
- avg
- Represents a SQL
AVGfunction. This function can only take types which are Foldable. - case_
when - Creates a SQL
CASE WHEN ... ENDexpression - count
- Creates a SQL
COUNTexpression - count_
distinct Deprecated - count_
star - Creates a SQL
COUNT(*)expression - cume_
dist - Cumulative distribution value
- date
- Represents the SQL
DATEfunction. The argument should be a Timestamp expression, and the return value will be an expression of type Date. - delete
- Creates a
DELETEstatement. - dense_
rank - Rank of current row within its partition, without gaps
- exists
- Creates a SQL
EXISTSexpression. - first_
value - Value of argument from first row of window frame
- insert_
into - Creates an
INSERTstatement for the target table. - insert_
or_ ignore_ into - Creates an
INSERT [OR] IGNOREstatement. - lag
- Value of argument from row lagging current row within partition
- lag_
with_ offset - Value of argument from row lagging current row within partition
- lag_
with_ offset_ and_ default - Value of argument from row lagging current row within partition
- last_
value - Value of argument from last row of window frame
- lead
- Value of argument from row leading current row within partition
- lead_
with_ offset - Value of argument from row leading current row within partition
- lead_
with_ offset_ and_ default - Value of argument from row leading current row within partition
- max
- Represents a SQL
MAXfunction. This function can only take types which are ordered. - min
- Represents a SQL
MINfunction. This function can only take types which are ordered. - not
- Creates a SQL
NOTexpression - nth_
value - Value of argument from N-th row of window frame
- ntile
- Bucket number of current row within its partition
- percent_
rank - Percentage rank value
- rank
- Rank of current row within its partition, with gaps
- replace_
into - Creates a
REPLACEstatement. - row_
number - Number of th current row within its partition
- select
- Creates a bare select statement, with no from clause. Primarily used for testing diesel itself, but likely useful for third party crates as well. The given expressions must be selectable from anywhere.
- sql
- Use literal SQL in the query builder.
- sql_
query - Construct a full SQL query using raw SQL.
- sum
- Represents a SQL
SUMfunction. This function can only take types which are Foldable. - update
- Creates an
UPDATEstatement.
Type Aliases§
- Add
- The return type of
l + r - Aggregate
All - Return type of
AggregateExpressionMethods::aggregate_all - Aggregate
Distinct - Return type of
AggregateExpressionMethods::aggregate_distinct - Aggregate
Filter - Return type of
AggregateExpressionMethods::aggregate_filter - Aggregate
Order - Return type of
AggregateExpressionMethods::aggregate_order - Aliased
Fields - Maps
FtoAlias<S> - And
- The return type of
lhs.and(rhs) - AsExpr
- The type of
Itemwhen converted to an expression with the same type asTargetExpr - AsExpr
Of - The type of
Itemwhen converted to an expression ofType - AsSelect
- Represents the return type of
.as_select() - Asc
- The return type of
expr.asc() - Assume
NotNull - The return type of
expr.assume_not_null() - Bare
Select Deprecated - Between
- The return type of
lhs.between(lower, upper) - Cast
- The return type of
expr.cast<ST>() - Concat
- The return type of
lhs.concat(rhs) - Count
- Count
Distinct - Desc
- The return type of
expr.desc() - Distinct
- Represents the return type of
.distinct() - Div
- The return type of
l / r - Eq
- The return type of
lhs.eq(rhs) - EqAny
- The return type of
lhs.eq_any(rhs) - Escape
- The return type of
lhs.escape('x') - Except
- Represents the return type of
.except(rhs) - Except
All - Represents the return type of
.except_all(rhs) - Field
- The return type of
alias.field(field) - Fields
- The return type of
alias.fields(fields) - Filter
- Represents the return type of
.filter(predicate) - Find
- Represents the return type of
.find(pk) - FindBy
- Represents the return type of
.filter(lhs.eq(rhs)) - Following
- Return type of
FrameBoundDsl::following - ForKey
Share - Represents the return type of
.for_key_share() - ForNo
KeyUpdate - Represents the return type of
.for_no_key_update() - ForShare
- Represents the return type of
.for_share() - ForUpdate
- Represents the return type of
.for_update() - Frame
Between - Return type of
FrameClauseDsl::frame_between - Frame
Between With Exclusion - Return type of
FrameClauseDsl::frame_between_with_exclusion - FrameBy
- Return type of
WindowExpressionMethods::frame_by - Frame
Start With - Return type of
FrameClauseDsl::frame_start_with - Frame
Start With Exclusion - Return type of
FrameClauseDsl::frame_start_with_exclusion - Ge
- GroupBy
- Represents the return type of
.group_by(expr) - Gt
- The return type of
lhs.gt(rhs) - GtEq
- The return type of
lhs.ge(rhs) - Having
- Represents the return type of
.having(predicate) - Inner
Join - Represents the return type of
.inner_join(rhs) - Inner
Join On - Represents the return type of
.inner_join(rhs.on(on)) - Inner
Join Query Source - A query source representing the inner join between two tables.
- Intersect
- Represents the return type of
.intersect(rhs) - Intersect
All - Represents the return type of
.intersect_all(rhs) - Into
Boxed - Represents the return type of
.into_boxed::<'a, DB>() - IntoSql
- Represents the return type of
.into_sql() - Is
- The return type of
lhs.is(rhs). - IsNot
- The return type of
lhs.is_not(rhs). - IsNot
Null - The return type of
expr.is_not_null() - IsNull
- The return type of
expr.is_null() - Le
- Left
Join - Represents the return type of
.left_join(rhs) - Left
Join On - Represents the return type of
.left_join(rhs.on(on)) - Left
Join Query Source - A query source representing the left outer join between two tables.
- Like
- The return type of
lhs.like(rhs) - Limit
- Represents the return type of
.limit() - Load
Iter Deprecated - Lt
- The return type of
lhs.lt(rhs) - LtEq
- The return type of
lhs.le(rhs) - Mul
- The return type of
l * r - Ne
- NeAll
- NeAny
- The return type of
lhs.ne_all(rhs) - NoWait
- Represents the return type of
.no_wait() - NotBetween
- The return type of
lhs.not_between(lower, upper) - NotEq
- The return type of
lhs.ne(rhs) - NotLike
- The return type of
lhs.not_like(rhs) - Nullable
- The return type of
expr.nullable() - Nullable
Select - Represents the return type of
.nullable() - Offset
- Represents the return type of
.offset() - On
- Represents the return type of
rhs.on(on) - Or
- The return type of
lhs.or(rhs) - OrFilter
- Represents the return type of
.or_filter(predicate) - Order
- Represents the return type of
.order(ordering) - OrderBy
- Represents the return type of
.order_by(ordering) - Otherwise
- The return type of
case_when(...).otherwise(...) - Over
- Return type of
WindowExpressionMethods::over - Partition
By - Return type of
WindowExpressionMethods::partition_by - Preceding
- Return type of
FrameBoundDsl::preceding - Returning
- Represents the return type of
InsertStatement::returning,UpdateStatement::returningandDeleteStatement::returning - Select
- Represents the return type of
.select(selection) - Set
- Represents the return type of
UpdateStatement::set() - Single
Value - Represents the return type of
.single_value() - Skip
Locked - Represents the return type of
.skip_locked() - SqlType
Of - The SQL type of an expression
- Sub
- The return type of
l - r - Then
Order By - Represents the return type of
.then_order_by(ordering) - Union
- Represents the return type of
.union(rhs) - Union
All - Represents the return type of
.union_all(rhs) - Update
- Represents the return type of
update(lhs).set(rhs) - Values
- Represents the return type of
IncompleteInsertStatement::values() - When
- The return type of
case_when(...).when(...) - Window
Filter - Return type of
WindowExpressionMethods::window_filter - Window
Order - Return type of
WindowExpressionMethods::window_order - avg
- The return type of
avg(expr) - case_
when - The return type of
case_when() - count
- The return type of
count(expr) - count_
distinct Deprecated - count_
star - The return type of
count_star() - cume_
dist - The return type of
cume_dist() - date
- The return type of
date(expr) - delete
- Represents the return type of
diesel::delete - dense_
rank - The return type of
dense_rank() - exists
- The return type of
exists(expr) - first_
value - The return type of
first_value(expr) - insert_
into - Represents the return type of
diesel::insert_into - insert_
or_ ignore_ into - Represents the return type of
diesel::insert_or_ignore_into - json
- Return type of the
json()SQL function. - json_
array_ 0 - Return type of the
json_array_0()SQL function. - json_
array_ 1 - Return type of the
json_array_1()SQL function. - json_
array_ 2 - Return type of the
json_array_2()SQL function. - json_
array_ length - Return type of the
json_array_length()SQL function. - json_
array_ length_ with_ path - Return type of the
json_array_length_with_path()SQL function. - json_
error_ position - Return type of the
json_error_position()SQL function. - json_
group_ array - Return type of the
json_group_array()SQL function. - json_
group_ object - Return type of the
json_group_object()SQL function. - json_
patch - Return type of the
json_patch()SQL function. - json_
pretty - Return type of the
json_pretty()SQL function. - json_
pretty_ with_ indentation - Return type of the
json_pretty_with_indentation()SQL function. - json_
quote - Return type of the
json_quote()SQL function. - json_
remove_ 0 - Return type of the
json_remove_0()SQL function. - json_
remove_ 1 - Return type of the
json_remove_1()SQL function. - json_
remove_ 2 - Return type of the
json_remove_2()SQL function. - json_
type - Return type of the
json_type()SQL function. - json_
type_ with_ path - Return type of the
json_type_with_path()SQL function. - json_
valid - Return type of the
json_valid()SQL function. - jsonb
- Return type of the
jsonb()SQL function. - jsonb_
array_ 0 - Return type of the
jsonb_array_0()SQL function. - jsonb_
array_ 1 - Return type of the
jsonb_array_1()SQL function. - jsonb_
array_ 2 - Return type of the
jsonb_array_2()SQL function. - jsonb_
group_ array - Return type of the
jsonb_group_array()SQL function. - jsonb_
group_ object - Return type of the
jsonb_group_object()SQL function. - jsonb_
patch - Return type of the
jsonb_patch()SQL function. - jsonb_
remove_ 0 - Return type of the
jsonb_remove_0()SQL function. - jsonb_
remove_ 1 - Return type of the
jsonb_remove_1()SQL function. - jsonb_
remove_ 2 - Return type of the
jsonb_remove_2()SQL function. - lag
- The return type of
lag(expr) - lag_
with_ offset - The return type of
lag_with_offset(expr, offset) - lag_
with_ offset_ and_ default - The return type of
lag_with_offset_and_default(expr, offset) - last_
value - The return type of
last_value(expr) - lead
- The return type of
lead(expr) - lead_
with_ offset - The return type of
lead_with_offset(expr, offset) - lead_
with_ offset_ and_ default - The return type of
lead_with_offset_and_default(expr, offset) - max
- The return type of
max(expr) - min
- The return type of
min(expr) - not
- The return type of
not(expr) - nth_
value - The return type of
nth_value(expr, n) - ntile
- The return type of
ntile() - percent_
rank - The return type of
percent_rank() - rank
- The return type of
rank() - replace_
into - Represents the return type of
diesel::replace_into - row_
number - The return type of
row_number() - select
- Represents the return type of
diesel::select(selection) - sum
- The return type of
sum(expr) - update
- Represents the return type of
diesel::update
Attribute Macros§
- auto_
type - Automatically annotates return type of a query fragment function