Package net.sf.basedb.core.query
Enum QuerySection
- java.lang.Object
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- java.lang.Enum<QuerySection>
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- net.sf.basedb.core.query.QuerySection
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- All Implemented Interfaces:
Serializable
,Comparable<QuerySection>
public enum QuerySection extends Enum<QuerySection>
Indicates which part of a query that is currently beeing built.- Version:
- 2.0
- Author:
- nicklas
- See Also:
Query.getQuerySection()
- Last modified
- $Date: 2015-05-12 11:27:08 +0200 (ti, 12 maj 2015) $
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Constructor Summary
Constructors Modifier Constructor Description private
QuerySection()
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Method Summary
All Methods Static Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description abstract boolean
supportsColumnAlias(DbEngine engine)
If the current database supports column aliases in that part of the query.static QuerySection
valueOf(String name)
Returns the enum constant of this type with the specified name.static QuerySection[]
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
public static final QuerySection SELECT
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FROM
public static final QuerySection FROM
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JOIN
public static final QuerySection JOIN
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WHERE
public static final QuerySection WHERE
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GROUPBY
public static final QuerySection GROUPBY
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HAVING
public static final QuerySection HAVING
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ORDERBY
public static final QuerySection ORDERBY
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Method Detail
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values
public static QuerySection[] 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 (QuerySection c : QuerySection.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 QuerySection 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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supportsColumnAlias
public abstract boolean supportsColumnAlias(DbEngine engine)
If the current database supports column aliases in that part of the query.- Returns:
- TRUE if column alias is supported, FALSE otherwise.
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