exposed-core/org.jetbrains.exposed.sql/StdDevSamp

StdDevSamp

class StdDevSamp<T>(val expression: Expression<T>, scale: Int) : Function<BigDecimal?> , WindowFunction<BigDecimal?>

Represents an SQL function that returns the sample standard deviation of the non-null input values, or null if there are no non-null values.

Constructors

StdDevSamp

constructor(expression: Expression<T>, scale: Int)

Properties

columnType

open override val columnType: IColumnType<BigDecimal>

Returns the column type of this expression. Used for operations with literals.

expression

val expression: Expression<T>

Returns the expression from which the sample standard deviation is calculated.

Functions

alias

fun <T> Expression<T>.alias(alias: String): ExpressionAlias<T>

Creates a temporary identifier, alias, for this expression.

and

inline fun Expression<Boolean>.and(op: SqlExpressionBuilder.() -> Op<Boolean>): Op<Boolean>

infix fun Expression<Boolean>.and(op: Expression<Boolean>): Op<Boolean>

Returns the result of performing a logical and operation between this expression and the op.

andNot

inline fun Expression<Boolean>.andNot(op: SqlExpressionBuilder.() -> Op<Boolean>): Op<Boolean>

Returns the result of performing a logical and operation between this expression and the negate op.

asLiteral

open fun <T, S : T?> ExpressionWithColumnType<S>.asLiteral(value: T): LiteralOp<T>

Returns the specified value as a literal of type T.

avg

fun <T : Comparable<T>, S : T?> ExpressionWithColumnType<S>.avg(scale: Int = 2): Avg<T, S>

Returns the average (arithmetic mean) value of this expression across all non-null input values, or null if there are no non-null values.

between

open fun <T, S : T?> ExpressionWithColumnType<in S>.between(from: T, to: T): Between

Returns true if this expression is between the values from and to, false otherwise.

bitwiseAnd

open infix fun <T> ExpressionWithColumnType<T>.bitwiseAnd(t: T): AndBitOp<T, T>

Performs a bitwise and on this expression and t.

open infix fun <T> ExpressionWithColumnType<T>.bitwiseAnd(t: Expression<T>): AndBitOp<T, T>

Performs a bitwise and on this expression and expression t.

bitwiseOr

open infix fun <T> ExpressionWithColumnType<T>.bitwiseOr(t: T): OrBitOp<T, T>

Performs a bitwise or on this expression and t.

open infix fun <T> ExpressionWithColumnType<T>.bitwiseOr(t: Expression<T>): OrBitOp<T, T>

Performs a bitwise or on this expression and expression t.

bitwiseXor

open infix fun <T> ExpressionWithColumnType<T>.bitwiseXor(t: T): XorBitOp<T, T>

Performs a bitwise or on this expression and t.

open infix fun <T> ExpressionWithColumnType<T>.bitwiseXor(t: Expression<T>): XorBitOp<T, T>

Performs a bitwise or on this expression and expression t.

castTo

fun <R> Expression<*>.castTo(columnType: IColumnType<R & Any>): ExpressionWithColumnType<R>

Specifies a conversion from one data type to another.

charLength

fun <T : String?> Expression<T>.charLength(): CharLength<T>

Returns the length of this string expression, measured in characters, or null if this expression is null.

count

fun ExpressionWithColumnType<*>.count(): Count

Returns the number of input rows for which the value of this expression is not null.

div

open infix operator fun <T> ExpressionWithColumnType<T>.div(t: T): DivideOp<T, T>

Divides this expression by the t value.

open infix operator fun <T, S : T> ExpressionWithColumnType<T>.div(other: Expression<S>): DivideOp<T, S>

Divides this expression by the other expression.

open infix fun <T> ExpressionWithColumnType<T>.eq(t: T): Op<Boolean>

Checks if this expression is equal to some t value.

@JvmName(name = "eqEntityIDValue")

open infix fun <T : Any, E : EntityID<T>?, V : T?> ExpressionWithColumnType<E>.eq(t: V): Op<Boolean>

Checks if this EntityID expression is equal to some t value.

open infix fun <T : Any, E : EntityID<T>?, V : T?> ExpressionWithColumnType<E>.eq(other: Expression<V>): Op<Boolean>

Checks if this EntityID expression is equal to some other expression.

open infix fun <T, S1 : T?, S2 : T?> Expression<in S1>.eq(other: Expression<in S2>): Op<Boolean>

Checks if this expression is equal to some other expression.

open infix fun <T : Any, V : T?, E : EntityID<T>?> Expression<V>.eq(other: ExpressionWithColumnType<E>): Op<Boolean>

Checks if this expression is equal to some other expression.

eqSubQuery

open infix fun <T> Expression<T>.eqSubQuery(query: AbstractQuery<*>): EqSubQueryOp<T>

Checks if this expression is equals to single value returned from query.

equals

open operator override fun equals(other: Any?): Boolean

firstValue

open fun <T> ExpressionWithColumnType<T>.firstValue(): FirstValue<T>

Returns value evaluated at the row that is the first row of the window frame.

function

fun <T> ExpressionWithColumnType<T>.function(functionName: String): CustomFunction<T?>

Calls a custom SQL function with the specified functionName and passes this expression as its only argument.

get

infix operator fun <E, T : List<E>?> ExpressionWithColumnType<T>.get(index: Int): ArrayGet<E, T>

Returns the array element stored at the one-based index position, or null if the stored array itself is null.

greater

open infix fun <T : Comparable<T>, S : T?> ExpressionWithColumnType<in S>.greater(t: T): GreaterOp

Checks if this expression is greater than some t value.

open infix fun <T : Comparable<T>, E : EntityID<T>?, V : T?> ExpressionWithColumnType<E>.greater(other: Expression<in V>): GreaterOp

Checks if this EntityID expression is greater than some other expression.

open infix fun <T : Comparable<T>, V : T?, E : EntityID<T>?> Expression<V>.greater(other: ExpressionWithColumnType<E>): GreaterOp

Checks if this expression is greater than some other expression.

open infix fun <T : Comparable<T>, S : T?> Expression<in S>.greater(other: Expression<in S>): GreaterOp

Checks if this expression is greater than some other expression.

greaterEq

open infix fun <T : Comparable<T>, S : T?> ExpressionWithColumnType<in S>.greaterEq(t: T): GreaterEqOp

Checks if this expression is greater than or equal to some t value

open infix fun <T : Comparable<T>, E : EntityID<T>?, V : T?> ExpressionWithColumnType<E>.greaterEq(other: Expression<in V>): GreaterEqOp

Checks if this EntityID expression is greater than or equal to some other expression

open infix fun <T : Comparable<T>, V : T?, E : EntityID<T>?> Expression<V>.greaterEq(other: ExpressionWithColumnType<E>): GreaterEqOp

Checks if this expression is greater than or equal to some other expression.

open infix fun <T : Comparable<T>, S : T?> Expression<in S>.greaterEq(other: Expression<in S>): GreaterEqOp

Checks if this expression is greater than or equal to some other expression

groupConcat

fun <T : String?> Expression<T>.groupConcat(separator: String? = null, distinct: Boolean = false, orderBy: Array<Pair<Expression<*>, SortOrder>> = emptyArray()): GroupConcat<T>

fun <T : String?> Expression<T>.groupConcat(separator: String? = null, distinct: Boolean = false, orderBy: Pair<Expression<*>, SortOrder>): GroupConcat<T>

Concatenates all non-null input values of each group from this string expression, separated by separator.

hasFlag

open infix fun <T> ExpressionWithColumnType<T>.hasFlag(t: T): EqOp

Performs a bitwise and on this expression and t.

open infix fun <T> ExpressionWithColumnType<T>.hasFlag(t: Expression<T>): EqOp

Performs a bitwise and on this expression and expression t.

hashCode

open override fun hashCode(): Int

inList

open infix fun <T> ExpressionWithColumnType<T>.inList(list: Iterable<T>): InListOrNotInListBaseOp<T>

Checks if this expression is equal to any element from list.

inSubQuery

open infix fun <T> Expression<T>.inSubQuery(query: AbstractQuery<*>): InSubQueryOp<T>

Checks if this expression is equals to any row returned from query.

inTable

open infix fun <T> ExpressionWithColumnType<T>.inTable(table: Table): InTableOp

Checks if this expression is equal to any element from the column of table with only a single column.

intToDecimal

open fun ExpressionWithColumnType<Int>.intToDecimal(): NoOpConversion<Int, BigDecimal>

isDistinctFrom

open infix fun <T : Comparable<T>, S : T?> ExpressionWithColumnType<in S>.isDistinctFrom(t: T): IsDistinctFromOp

Checks if this expression is not equal to some t value, with null treated as a comparable value

open infix fun <T : Any, E : EntityID<T>?, V : T?> ExpressionWithColumnType<E>.isDistinctFrom(other: Expression<in V>): IsDistinctFromOp

Checks if this EntityID expression is not equal to some other expression

open infix fun <T : Any, V : T?, E : EntityID<T>?> Expression<in V>.isDistinctFrom(other: ExpressionWithColumnType<E>): IsDistinctFromOp

Checks if this expression is not equal to some other expression.

open infix fun <T : Comparable<T>, S : T?> Expression<in S>.isDistinctFrom(other: Expression<in S>): IsDistinctFromOp

Checks if this expression is not equal to some other expression, with null treated as a comparable value

isNotDistinctFrom

open infix fun <T : Comparable<T>, S : T?> ExpressionWithColumnType<in S>.isNotDistinctFrom(t: T): IsNotDistinctFromOp

Checks if this expression is equal to some t value, with null treated as a comparable value

open infix fun <T : Any, E : EntityID<T>?, V : T?> ExpressionWithColumnType<E>.isNotDistinctFrom(other: Expression<in V>): IsNotDistinctFromOp

Checks if this EntityID expression is equal to some other expression

open infix fun <T : Any, V : T?, E : EntityID<T>?> Expression<V>.isNotDistinctFrom(other: ExpressionWithColumnType<E>): IsNotDistinctFromOp

Checks if this expression is equal to some other expression.

open infix fun <T : Comparable<T>, S : T?> Expression<in S>.isNotDistinctFrom(other: Expression<in S>): IsNotDistinctFromOp

Checks if this expression is equal to some other expression, with null treated as a comparable value

isNotNull

open fun <T> Expression<T>.isNotNull(): Op<Boolean>

Returns true if this expression is not null, false otherwise.

isNull

open fun <T> Expression<T>.isNull(): Op<Boolean>

Returns true if this expression is null, false otherwise.

isNullOrEmpty

open fun <T : String?> Expression<T>.isNullOrEmpty(): Op<Boolean>

Returns true if this string expression is null or empty, false otherwise.

lag

open fun <T> ExpressionWithColumnType<T>.lag(offset: ExpressionWithColumnType<Int> = intLiteral(1), defaultValue: ExpressionWithColumnType<T>? = null): Lag<T>

Returns value evaluated at the row that is offset rows before the current row within the partition; if there is no such row, instead returns defaultValue. Both offset and defaultValue are evaluated with respect to the current row.

lastValue

open fun <T> ExpressionWithColumnType<T>.lastValue(): LastValue<T>

Returns value evaluated at the row that is the last row of the window frame.

lead

open fun <T> ExpressionWithColumnType<T>.lead(offset: ExpressionWithColumnType<Int> = intLiteral(1), defaultValue: ExpressionWithColumnType<T>? = null): Lead<T>

Returns value evaluated at the row that is offset rows after the current row within the partition; if there is no such row, instead returns defaultValue. Both offset and defaultValue are evaluated with respect to the current row.

less

open infix fun <T : Comparable<T>, S : T?> ExpressionWithColumnType<in S>.less(t: T): LessOp

Checks if this expression is less than some t value.

open infix fun <T : Comparable<T>, E : EntityID<T>?, V : T?> ExpressionWithColumnType<E>.less(other: Expression<in V>): LessOp

Checks if this EntityID expression is less than some other expression.

open infix fun <T : Comparable<T>, V : T?, E : EntityID<T>?> Expression<V>.less(other: ExpressionWithColumnType<E>): LessOp

Checks if this expression is less than some other expression.

open infix fun <T : Comparable<T>, S : T?> Expression<in S>.less(other: Expression<in S>): LessOp

Checks if this expression is less than some other expression.

lessEq

open infix fun <T : Comparable<T>, S : T?> ExpressionWithColumnType<in S>.lessEq(t: T): LessEqOp

Checks if this expression is less than or equal to some t value

open infix fun <T : Comparable<T>, E : EntityID<T>?, V : T?> ExpressionWithColumnType<E>.lessEq(other: Expression<in V>): LessEqOp

Checks if this EntityID expression is less than or equal to some other expression

open infix fun <T : Comparable<T>, V : T?, E : EntityID<T>?> Expression<V>.lessEq(other: ExpressionWithColumnType<E>): LessEqOp

Checks if this expression is less than or equal to some other expression.

open infix fun <T : Comparable<T>, S : T?> Expression<in S>.lessEq(other: Expression<in S>): LessEqOp

Checks if this expression is less than or equal to some other expression

open infix fun <T : String?> Expression<T>.like(pattern: String): LikeEscapeOp

open infix fun <T : String?> Expression<T>.like(pattern: LikePattern): LikeEscapeOp

@JvmName(name = "likeWithEntityID")

open infix fun Expression<EntityID<String>>.like(pattern: String): LikeEscapeOp

@JvmName(name = "likeWithEntityID")

open infix fun Expression<EntityID<String>>.like(pattern: LikePattern): LikeEscapeOp

Checks if this expression matches the specified pattern.

open infix fun <T : String?> Expression<T>.like(expression: ExpressionWithColumnType<String>): LikeEscapeOp

@JvmName(name = "likeWithEntityIDAndExpression")

open infix fun Expression<EntityID<String>>.like(expression: ExpressionWithColumnType<String>): LikeEscapeOp

Checks if this expression matches the specified expression.

locate

fun <T : String?> Expression<T>.locate(substring: String): Locate<T>

Returns the index of the first occurrence of substring in this string expression or 0 if it doesn't contain substring

lowerCase

fun <T : String?> Expression<T>.lowerCase(): LowerCase<T>

Converts this string expression to lower case.

match

open infix fun <T : String?> Expression<T>.match(pattern: String): Op<Boolean>

Checks if this expression matches the specified pattern.

open fun <T : String?> Expression<T>.match(pattern: String, mode: FunctionProvider.MatchMode?): Op<Boolean>

Checks if this expression matches the specified pattern using the specified match mode.

max

fun <T : Any, S : T?> ExpressionWithColumnType<in S>.max(): Max<T, S>

Returns the maximum value of this expression across all non-null input values, or null if there are no non-null values.

min

fun <T : Any, S : T?> ExpressionWithColumnType<in S>.min(): Min<T, S>

Returns the minimum value of this expression across all non-null input values, or null if there are no non-null values.

minus

open infix operator fun <T> ExpressionWithColumnType<T>.minus(t: T): MinusOp<T, T>

Subtracts the t value from this expression.

open infix operator fun <T, S : T> ExpressionWithColumnType<T>.minus(other: Expression<S>): MinusOp<T, S>

Subtracts the other expression from this expression.

mod

open infix fun <T : Number?, S : T> ExpressionWithColumnType<T>.mod(t: S): ModOp<T, S, T>

Calculates the remainder of dividing this expression by the t value.

open infix fun <T : Number?, S : Number> ExpressionWithColumnType<T>.mod(other: Expression<S>): ModOp<T, S, T>

Calculates the remainder of dividing this expression by the other expression.

@JvmName(name = "modWithEntityId")

open infix fun <T : Number, Comparable<T>, S : Number, ID : EntityID<T>?> ExpressionWithColumnType<ID>.mod(other: S): ExpressionWithColumnType<T>

Calculates the remainder of dividing the value of this numeric PK by the other number.

@JvmName(name = "modWithEntityId3")

open infix fun <T : Number, Comparable<T>, S : Number, ID : EntityID<T>?> ExpressionWithColumnType<ID>.mod(other: Expression<S>): ExpressionWithColumnType<T>

Calculates the remainder of dividing the value of this numeric PK by the other number expression.

@JvmName(name = "modWithEntityId2")

open infix fun <T : Number, Comparable<T>, S : Number, ID : EntityID<T>?> Expression<S>.mod(other: ExpressionWithColumnType<ID>): ExpressionWithColumnType<T>

Calculates the remainder of dividing this number expression by other numeric PK

neq

open infix fun <T> ExpressionWithColumnType<T>.neq(other: T): Op<Boolean>

Checks if this expression is not equal to some other value.

@JvmName(name = "neqEntityIDValue")

open infix fun <T : Any, E : EntityID<T>?, V : T?> ExpressionWithColumnType<E>.neq(t: V): Op<Boolean>

Checks if this EntityID expression is not equal to some t value.

open infix fun <T : Any, E : EntityID<T>?, V : T?> ExpressionWithColumnType<E>.neq(other: Expression<V>): Op<Boolean>

Checks if this EntityID expression is not equal to some other expression.

open infix fun <T, S1 : T?, S2 : T?> Expression<in S1>.neq(other: Expression<in S2>): Op<Boolean>

Checks if this expression is not equal to some other expression.

open infix fun <T : Any, V : T?, E : EntityID<T>?> Expression<V>.neq(other: ExpressionWithColumnType<E>): Op<Boolean>

Checks if this expression is not equal to some other expression.

notEqSubQuery

open infix fun <T> Expression<T>.notEqSubQuery(query: AbstractQuery<*>): NotEqSubQueryOp<T>

Checks if this expression is not equals to single value returned from query.

notInList

open infix fun <T> ExpressionWithColumnType<T>.notInList(list: Iterable<T>): InListOrNotInListBaseOp<T>

Checks if this expression is not equal to any element from list.

notInSubQuery

open infix fun <T> Expression<T>.notInSubQuery(query: AbstractQuery<*>): NotInSubQueryOp<T>

Checks if this expression is not equals to any row returned from query.

notInTable

open infix fun <T> ExpressionWithColumnType<T>.notInTable(table: Table): InTableOp

Checks if this expression is not equal to any element from the column of table with only a single column.

notLike

open infix fun <T : String?> Expression<T>.notLike(pattern: String): LikeEscapeOp

open infix fun <T : String?> Expression<T>.notLike(pattern: LikePattern): LikeEscapeOp

@JvmName(name = "notLikeWithEntityID")

open infix fun Expression<EntityID<String>>.notLike(pattern: String): LikeEscapeOp

@JvmName(name = "notLikeWithEntityID")

open infix fun Expression<EntityID<String>>.notLike(pattern: LikePattern): LikeEscapeOp

Checks if this expression doesn't match the specified pattern.

open infix fun <T : String?> Expression<T>.notLike(expression: ExpressionWithColumnType<String>): LikeEscapeOp

Checks if this expression doesn't match the specified pattern.

@JvmName(name = "notLikeWithEntityIDAndExpression")

open infix fun Expression<EntityID<String>>.notLike(expression: ExpressionWithColumnType<String>): LikeEscapeOp

Checks if this expression doesn't match the specified expression.

nthValue

open fun <T> ExpressionWithColumnType<T>.nthValue(n: ExpressionWithColumnType<Int>): NthValue<T>

Returns value evaluated at the row that is the n'th row of the window frame (counting from 1); null if no such row.

inline fun Expression<Boolean>.or(op: SqlExpressionBuilder.() -> Op<Boolean>): Op<Boolean>

infix fun Expression<Boolean>.or(op: Expression<Boolean>): Op<Boolean>

Returns the result of performing a logical or operation between this expression and the op.

orNot

inline fun Expression<Boolean>.orNot(op: SqlExpressionBuilder.() -> Op<Boolean>): Op<Boolean>

Returns the result of performing a logical or operation between this expression and the negate op.

over

open override fun over(): WindowFunctionDefinition<BigDecimal?>

Returns window function definition.

plus

open infix operator fun <T> ExpressionWithColumnType<T>.plus(t: T): PlusOp<T, T>

Adds the t value to this expression.

open infix operator fun <T, S : T> ExpressionWithColumnType<T>.plus(other: Expression<S>): PlusOp<T, S>

Adds the other expression to this expression.

open infix operator fun Expression<String>.plus(value: String): Concat

open infix operator fun Expression<String>.plus(value: Expression<String>): Concat

Concatenate the value to the input expression.

regexp

open infix fun <T : String?> Expression<T>.regexp(pattern: String): RegexpOp<T>

open fun <T : String?> Expression<T>.regexp(pattern: Expression<String>, caseSensitive: Boolean = true): RegexpOp<T>

Checks if this expression matches the pattern. Supports regular expressions.

rem

open infix operator fun <T : Number?, S : T> ExpressionWithColumnType<T>.rem(t: S): ModOp<T, S, T>

Calculates the remainder of dividing this expression by the t value.

open infix operator fun <T : Number?, S : Number> ExpressionWithColumnType<T>.rem(other: Expression<S>): ModOp<T, S, T>

Calculates the remainder of dividing this expression by the other expression.

@JvmName(name = "remWithEntityId")

open infix operator fun <T : Number, Comparable<T>, S : Number, ID : EntityID<T>?> ExpressionWithColumnType<ID>.rem(other: S): ExpressionWithColumnType<T>

Calculates the remainder of dividing the value of this numeric PK by the other number.

@JvmName(name = "remWithEntityId3")

open infix operator fun <T : Number, Comparable<T>, S : Number, ID : EntityID<T>?> ExpressionWithColumnType<ID>.rem(other: Expression<S>): ExpressionWithColumnType<T>

Calculates the remainder of dividing the value of this numeric PK by the other number expression.

@JvmName(name = "remWithEntityId2")

open infix operator fun <T : Number, Comparable<T>, S : Number, ID : EntityID<T>?> Expression<S>.rem(other: ExpressionWithColumnType<ID>): ExpressionWithColumnType<T>

Calculates the remainder of dividing this number expression by other numeric PK

slice

fun <E, T : List<E>?> ExpressionWithColumnType<T>.slice(lower: Int? = null, upper: Int? = null): ArraySlice<E, T>

Returns a subarray of elements stored from between lower and upper bounds (inclusive), or null if the stored array itself is null. Note If either bounds is left null, the database will use the stored array's respective lower or upper limit.

stdDevPop

fun <T> ExpressionWithColumnType<T>.stdDevPop(scale: Int = 2): StdDevPop<T>

Returns the population standard deviation of the non-null input values, or null if there are no non-null values.

stdDevSamp

fun <T> ExpressionWithColumnType<T>.stdDevSamp(scale: Int = 2): StdDevSamp<T>

Returns the sample standard deviation of the non-null input values, or null if there are no non-null values.

substring

fun <T : String?> Expression<T>.substring(start: Int, length: Int): Substring<T>

Extract a substring from this string expression that begins at the specified start and with the specified length.

sum

fun <T> ExpressionWithColumnType<T>.sum(): Sum<T>

Returns the sum of this expression across all non-null input values, or null if there are no non-null values.

times

open infix operator fun <T> ExpressionWithColumnType<T>.times(t: T): TimesOp<T, T>

Multiplies this expression by the t value.

open infix operator fun <T, S : T> ExpressionWithColumnType<T>.times(other: Expression<S>): TimesOp<T, S>

Multiplies this expression by the other expression.

toQueryBuilder

open override fun toQueryBuilder(queryBuilder: QueryBuilder)

Appends the SQL representation of this expression to the specified queryBuilder.

toString

open override fun toString(): String

trim

fun <T : String?> Expression<T>.trim(): Trim<T>

Removes the longest string containing only spaces from both ends of string expression.

upperCase

fun <T : String?> Expression<T>.upperCase(): UpperCase<T>

Converts this string expression to upper case.

varPop

fun <T> ExpressionWithColumnType<T>.varPop(scale: Int = 2): VarPop<T>

Returns the population variance of the non-null input values (square of the population standard deviation), or null if there are no non-null values.

varSamp

fun <T> ExpressionWithColumnType<T>.varSamp(scale: Int = 2): VarSamp<T>

Returns the sample variance of the non-null input values (square of the sample standard deviation), or null if there are no non-null values.

wrap

open fun <T, S : T?> ExpressionWithColumnType<in S>.wrap(value: T): QueryParameter<T>

Returns the specified value as a query parameter of type T.