IsNullOp

Represents an SQL operator that checks if the specified expr is null.

Constructors

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constructor(expr: Expression<*>)

Properties

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The expression being checked.

Functions

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Creates a temporary identifier, alias, for this expression.

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

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Returns the result of performing a logical and operation between this expression and the op if op is not null. Otherwise, this expression will be returned.

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

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Specifies a conversion from one data type to another.

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

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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.

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

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

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

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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

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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.

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

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

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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

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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

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

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

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

Returns true if this expression is null, false otherwise.

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

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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.

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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

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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.

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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

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Converts this string expression to lower case.

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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.

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@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

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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.

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

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

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

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

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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.

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.

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

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Returns the result of performing a logical or operation between this expression and the op if op is not null. Otherwise, this expression will be returned.

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

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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.

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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.

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@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

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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.

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open override fun toQueryBuilder(queryBuilder: QueryBuilder)

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

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

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

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Converts this string expression to upper case.