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* @param qs the QueryExpression */ public NullLiteral(QueryExpression qs) { super(qs); this.mapping = new NullMapping(qs.getStoreManager().getDatastoreAdapter()); st.append("NULL"); }
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* @param qs the QueryExpression */ public UnknownLiteral(QueryExpression qs) { super(qs); this.mapping = new NullMapping(qs.getStoreManager().getDatastoreAdapter()); st.append("NULL"); }