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java.lang.Objectorg.postgresql.pljava.internal.JavaWrapper
org.postgresql.pljava.internal.Relation
public class Relation
The Relation
correspons to the internal PostgreSQL
Relation
.
Method Summary | |
---|---|
protected void |
_free(long pointer)
Calls the C function pfree() with the given pointer as an argument. |
java.lang.String |
getName()
Returns the name of this Relation . |
java.lang.String |
getSchema()
Returns the schema name of this Relation . |
TupleDesc |
getTupleDesc()
Returns a descriptor that describes tuples in this Relation . |
Tuple |
modifyTuple(Tuple original,
int[] fieldNumbers,
java.lang.Object[] values)
Creates a new Tuple by substituting new values for selected columns
copying the columns of the original Tuple at other positions. |
Methods inherited from class org.postgresql.pljava.internal.JavaWrapper |
---|
finalize, getNativePointer |
Methods inherited from class java.lang.Object |
---|
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
---|
public java.lang.String getName() throws java.sql.SQLException
Relation
.
java.sql.SQLException
public java.lang.String getSchema() throws java.sql.SQLException
Relation
.
java.sql.SQLException
public TupleDesc getTupleDesc() throws java.sql.SQLException
Relation
.
java.sql.SQLException
public Tuple modifyTuple(Tuple original, int[] fieldNumbers, java.lang.Object[] values) throws java.sql.SQLException
Tuple
by substituting new values for selected columns
copying the columns of the original Tuple
at other positions. The
original Tuple
is not modified.
original
- The tuple that serves as the source.fieldNumbers
- An array of one based indexes denoting the positions that
are to receive modified values.values
- The array of new values. Each value in this array corresponds to
an index in the fieldNumbers
array.
java.sql.SQLException
- if indexes are out of range or the values illegal.protected void _free(long pointer)
JavaWrapper
_free
in class JavaWrapper
pointer
- The pointer to free.
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