Package org.voltdb.expressions

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

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        assertFalse(exps.isEmpty());
        AbstractExpression exp = CollectionUtil.first(exps);
        assertNotNull(exp);
       
        // Clone the mofo and make sure equals() returns true!
        String json = exp.toJSONString();
        assertFalse(json.isEmpty());
        AbstractExpression clone = AbstractExpression.fromJSONObject(new JSONObject(json), catalog_db);
        assertNotNull(clone);
        assert(ExpressionUtil.equals(exp, clone));
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            stringer.key(Members.AGGREGATE_OUTPUT_COLUMN.name()).value(m_aggregateOutputColumns.get(ii));
            AbstractExpression ae = m_aggregateExpressions.get(ii);
            if (ae != null) {
                stringer.key(Members.AGGREGATE_EXPRESSION.name());
                stringer.object();
                ae.toJSONString(stringer);
                stringer.endObject();
            }
            stringer.endObject();
        }
        stringer.endArray();
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            MaterializedViewInfo matviewinfo = srcTable.getViews().add(viewName);
            matviewinfo.setDest(destTable);
            AbstractExpression where = stmt.getSingleTableFilterExpression();
            if (where != null) {
                String hex = Encoder.hexEncode(where.toJSONString());
                matviewinfo.setPredicate(hex);
            } else {
                matviewinfo.setPredicate("");
            }
            destTable.setMaterializer(srcTable);
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                // target. It's the same as passing an always-true expression,
                // but without the overhead of the evaluating the expression. This avoids the
                // overhead when there is only one data target that wants all the rows.
                if (predicate != null) {
                    stringer.key("predicateExpression").object();
                    predicate.toJSONString(stringer);
                    stringer.endObject();
                }
                stringer.endObject();
                predicates[i] = stringer.toString().getBytes(Charsets.UTF_8);
                size += predicates[i].length;
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