- java.lang.Object
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- java.lang.Enum<PseudoColumnUsage>
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- java.sql.PseudoColumnUsage
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- All Implemented Interfaces:
- Serializable, Comparable<PseudoColumnUsage>
public enum PseudoColumnUsage extends Enum<PseudoColumnUsage>
Enumeration for pseudo/hidden column usage.
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Enum Constant Summary
Enum Constants Enum Constant and Description NO_USAGE_RESTRICTIONS
There are no restrictions on the usage of the pseudo/hidden columns.SELECT_LIST_ONLY
The pseudo/hidden column may only be used in a SELECT list.USAGE_UNKNOWN
The usage of the pseudo/hidden column cannot be determined.WHERE_CLAUSE_ONLY
The pseudo/hidden column may only be used in a WHERE clause.
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Method Summary
Methods Modifier and Type Method and Description static PseudoColumnUsage
valueOf(String name)
Returns the enum constant of this type with the specified name.static PseudoColumnUsage[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Detail
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SELECT_LIST_ONLY
public static final PseudoColumnUsage SELECT_LIST_ONLY
The pseudo/hidden column may only be used in a SELECT list.
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WHERE_CLAUSE_ONLY
public static final PseudoColumnUsage WHERE_CLAUSE_ONLY
The pseudo/hidden column may only be used in a WHERE clause.
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NO_USAGE_RESTRICTIONS
public static final PseudoColumnUsage NO_USAGE_RESTRICTIONS
There are no restrictions on the usage of the pseudo/hidden columns.
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USAGE_UNKNOWN
public static final PseudoColumnUsage USAGE_UNKNOWN
The usage of the pseudo/hidden column cannot be determined.
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Method Detail
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values
public static PseudoColumnUsage[] values()
Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:for (PseudoColumnUsage c : PseudoColumnUsage.values()) System.out.println(c);
- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
public static PseudoColumnUsage valueOf(String name)
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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Document created the 11/06/2005, last modified the 04/03/2020
Source of the printed document:https://www.gaudry.be/en/java-api-rf-java/sql/PseudoColumnUsage.html
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