- All Known Implementing Classes:
IndexAttributeImpl
public interface IndexAttribute
An attribute of an index.
- Author:
- harald
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Method Summary
Modifier and TypeMethodDescriptionGets the attribute.Gets the column name.
For single-column data types: the column name of the attribute.Gets the name of the function.booleanReturns whether the attribute is descending.
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Method Details
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getAttribute
Attribute getAttribute()Gets the attribute.- Returns:
- the attribute
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getColumnName
String getColumnName()Gets the column name.
For single-column data types: the column name of the attribute. For multi-column data types: the corresponding column name within the data type.- Returns:
- the column name
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getFunctionName
String getFunctionName()Gets the name of the function.- Returns:
- the function name, null if no function-based index
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isDescending
boolean isDescending()Returns whether the attribute is descending.- Returns:
- true if descending, else ascending (default)
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