class Extract extends ExpressionWithToString
Represent an extract function, which extracts and returns the value of a specified datetime field from a datetime or interval value expression.
The currently supported fields names following the ISO standard:
-
SECONDSince 3.4.0 -
MINUTESince 3.4.0 -
HOURSince 3.4.0 -
MONTHSince 3.4.0 -
QUARTERSince 3.4.0 -
YEARSince 3.4.0 -
DAY_OF_WEEKSince 3.4.0 -
DAYSince 3.4.0 -
DAY_OF_YEARSince 3.4.0 -
WEEKSince 3.4.0 -
YEAR_OF_WEEKSince 3.4.0
- Annotations
- @Evolving()
- Source
- Extract.java
- Since
3.4.0
Linear Supertypes
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Inherited
- Extract
- ExpressionWithToString
- Serializable
- Expression
- AnyRef
- Any
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Visibility
- Public
- Protected
Instance Constructors
- new Extract(field: String, source: Expression)
Value Members
- final def !=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def ##: Int
- Definition Classes
- AnyRef → Any
- final def ==(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def asInstanceOf[T0]: T0
- Definition Classes
- Any
- def children(): Array[Expression]
Returns an array of the children of this node.
Returns an array of the children of this node. Children should not change.
- Definition Classes
- Extract → Expression
- Annotations
- @Override()
- def clone(): AnyRef
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.CloneNotSupportedException]) @IntrinsicCandidate() @native()
- def describe(): String
Format the expression as a human readable SQL-like string.
Format the expression as a human readable SQL-like string.
- Definition Classes
- Expression
- final def eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- def equals(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef → Any
- def field(): String
- final def getClass(): Class[_ <: AnyRef]
- Definition Classes
- AnyRef → Any
- Annotations
- @IntrinsicCandidate() @native()
- def hashCode(): Int
- Definition Classes
- AnyRef → Any
- Annotations
- @IntrinsicCandidate() @native()
- final def isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- final def ne(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- final def notify(): Unit
- Definition Classes
- AnyRef
- Annotations
- @IntrinsicCandidate() @native()
- final def notifyAll(): Unit
- Definition Classes
- AnyRef
- Annotations
- @IntrinsicCandidate() @native()
- def references(): Array[NamedReference]
List of fields or columns that are referenced by this expression.
List of fields or columns that are referenced by this expression.
- Definition Classes
- Expression
- def source(): Expression
- final def synchronized[T0](arg0: => T0): T0
- Definition Classes
- AnyRef
- def toString(): String
- Definition Classes
- ExpressionWithToString → AnyRef → Any
- final def wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException]) @native()
- final def wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
Deprecated Value Members
- def finalize(): Unit
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.Throwable]) @Deprecated
- Deprecated
(Since version 9)