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java.lang.Objectorg.apache.openjpa.jdbc.schema.Constraint
org.apache.openjpa.jdbc.schema.LocalConstraint
org.apache.openjpa.jdbc.schema.Index
public class Index
Represents a database index. Can also represent a partial index,
aligning with DatabaseMetaData
.
Constructor Summary | |
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Index()
Default constructor. |
|
Index(String name,
Table table)
Constructor. |
Method Summary | |
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void |
deref()
|
boolean |
equalsIndex(Index idx)
Indexes are equal if they have the same name, the same columns, and are both unique/not unique. |
int |
getRefCount()
|
boolean |
isLogical()
Return whether this constraint is a logical constraint only; i.e. |
boolean |
isUnique()
Return true if this is a UNIQUE index. |
void |
ref()
|
void |
setUnique(boolean unique)
Set whether this is a UNIQUE index. |
Methods inherited from class org.apache.openjpa.jdbc.schema.LocalConstraint |
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addColumn, columnsMatch, containsColumn, derefColumns, equalsLocalConstraint, getColumns, refColumns, removeColumn, setColumns |
Methods inherited from class org.apache.openjpa.jdbc.schema.Constraint |
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getColumnName, getFullName, getName, getSchemaName, getTable, getTableName, isDeferred, setColumnName, setDeferred, setName, setSchemaName, setTableName, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public Index()
public Index(String name, Table table)
name
- the name of the indextable
- the table of the indexMethod Detail |
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public boolean isUnique()
public void setUnique(boolean unique)
public boolean isLogical()
Constraint
isLogical
in class Constraint
public boolean equalsIndex(Index idx)
public int getRefCount()
public void ref()
public void deref()
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This documentation is deprecated and will be removed in the next release of WebLogic Server.