Package org.voltdb.expressions

Examples of org.voltdb.expressions.AbstractExpression.validate()

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            PlanColumn column = m_context.get(m_outputColumns.get(ctr));
            AbstractExpression exp = column.getExpression();
            if (exp == null) {
                throw new Exception("ERROR: The Output Column Expression at position '" + ctr + "' is NULL");
            }
            exp.validate();
        }
    }

    public void appendOutputColumn(PlanColumn column)
    {
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            SchemaColumn column = m_outputSchema.getColumns().get(ctr);
            AbstractExpression exp = column.getExpression();
            if (exp == null) {
                throw new Exception("ERROR: The Output Column Expression at position '" + ctr + "' is NULL");
            }
            exp.validate();
        }
    }

    /**
     * Set the output schema for this projection.  This schema will be
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