Revision 44345 trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.dal/org.gvsig.fmap.dal.db/org.gvsig.fmap.dal.db.jdbc/src/main/java/org/gvsig/fmap/dal/store/jdbc2/spi/operations/CalculateEnvelopeOfColumnOperation.java

View differences:

CalculateEnvelopeOfColumnOperation.java
76 76
        ExpressionBuilder expbuilder = sqlbuilder.expression();
77 77
        
78 78
        sqlbuilder.select().column().value(
79
            expbuilder.as_geometry(
80
                expbuilder.ST_ExtentAggregate(
81
                        expbuilder.column(columnName)
79
            expbuilder.ifnull(
80
                expbuilder.column(columnName), 
81
                expbuilder.constant(null), 
82
                expbuilder.as_geometry(
83
                    expbuilder.ST_ExtentAggregate(
84
                            expbuilder.column(columnName)
85
                    )
82 86
                )
83 87
            )
84 88
        );

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