Package com.blazebit.persistence.spi
Enum UpdateJoinStyle
- All Implemented Interfaces:
Serializable
,Comparable<UpdateJoinStyle>
,java.lang.constant.Constable
public enum UpdateJoinStyle extends Enum<UpdateJoinStyle>
The possible update join styles.
- Since:
- 1.5.0
- Author:
- Christian Beikov
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Nested Class Summary
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Enum Constant Summary
Enum Constants Enum Constant Description FROM
Requires a FROM clause for table references.FROM_ALIAS
Requires a FROM clause for table references but the table alias in the UPDATE clause.MERGE
Requires a MERGE statement.NONE
No support for joins in update statements.REFERENCE
Requires table references to be appended after the update table. -
Method Summary
Modifier and Type Method Description static UpdateJoinStyle
valueOf(String name)
Returns the enum constant of this type with the specified name.static UpdateJoinStyle[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Details
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NONE
No support for joins in update statements. -
FROM
Requires a FROM clause for table references. -
FROM_ALIAS
Requires a FROM clause for table references but the table alias in the UPDATE clause. -
REFERENCE
Requires table references to be appended after the update table. -
MERGE
Requires a MERGE statement.
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Method Details
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values
Returns an array containing the constants of this enum type, in the order they are declared.- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)- Parameters:
name
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
IllegalArgumentException
- if this enum type has no constant with the specified nameNullPointerException
- if the argument is null
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