Package com.exasol.adapter.sql
Enum SqlSelectListType
- java.lang.Object
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- java.lang.Enum<SqlSelectListType>
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- com.exasol.adapter.sql.SqlSelectListType
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- All Implemented Interfaces:
Serializable
,Comparable<SqlSelectListType>
public enum SqlSelectListType extends Enum<SqlSelectListType>
Specifies the type of a SelectList.
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Enum Constant Summary
Enum Constants Enum Constant Description ANY_VALUE
We just need one arbitrary value for each row.REGULAR
The user has to specify the desired elements.SELECT_STAR
The user requests all available columns, i.e.
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static SqlSelectListType
valueOf(String name)
Returns the enum constant of this type with the specified name.static SqlSelectListType[]
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_STAR
public static final SqlSelectListType SELECT_STAR
The user requests all available columns, i.e. SELECT * FROM ...
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ANY_VALUE
public static final SqlSelectListType ANY_VALUE
We just need one arbitrary value for each row. Example: If user runs COUNT (*) and COUNT cannot be pushed down, we need to return any value for each row (e.g. constant TRUE) and then EXASOL can do the COUNT.
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REGULAR
public static final SqlSelectListType REGULAR
The user has to specify the desired elements.
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Method Detail
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values
public static SqlSelectListType[] 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 (SqlSelectListType c : SqlSelectListType.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 SqlSelectListType 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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