Package org.apache.phoenix.parse

Examples of org.apache.phoenix.parse.ParseNode.accept()

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                    projectIndexColumnFamily(context, cfName, tableRef, projectedExpressions, projectedColumns);
                } else {
                    projectTableColumnFamily(context, cfName, tableRef, projectedExpressions, projectedColumns);
                }
            } else {
                Expression expression = node.accept(selectVisitor);
                projectedExpressions.add(expression);
                expression = coerceIfNecessary(index, targetColumns, expression);
                if (node instanceof BindParseNode) {
                    context.getBindManager().addParamMetaData((BindParseNode)node, expression);
                }
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                            .getLong(QueryServices.SEQUENCE_CACHE_SIZE_ATTRIB,
                                QueryServicesOptions.DEFAULT_SEQUENCE_CACHE_SIZE);
        }
        else {
            cacheSizeValue =
                    evalExpression(sequence, context, cacheNode.accept(expressionCompiler),
                        SQLExceptionCode.CACHE_MUST_BE_NON_NEGATIVE_CONSTANT);
            if (cacheSizeValue < 0) {
                TableName sequenceName = sequence.getSequenceName();
                throw SequenceUtil.getException(sequenceName.getSchemaName(),
                    sequenceName.getTableName(),
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                // If our parent has a VIEW statement, combine it with this one
                if (parentToBe.getViewStatement() != null) {
                    SelectStatement select = new SQLParser(parentToBe.getViewStatement()).parseQuery().combine(whereNode);
                    whereNode = select.getWhere();
                }
                Expression where = whereNode.accept(expressionCompiler);
                if (where != null && !LiteralExpression.isTrue(where)) {
                    TableName baseTableName = create.getBaseTableName();
                    String schemaName = baseTableName.getSchemaName();
                    // Only form we currently support for VIEWs: SELECT * FROM t WHERE ...
                    viewStatementToBe = SELECT + " " + WildcardParseNode.NAME + " " + FROM + " " +
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        ImmutableBytesWritable ptr = context.getTempPtr();
        ExpressionCompiler expressionCompiler = new ExpressionCompiler(context);
        for (int i = 0; i < splits.length; i++) {
            ParseNode node = splitNodes.get(i);
            if (node.isStateless()) {
                Expression expression = node.accept(expressionCompiler);
                if (expression.evaluate(null, ptr)) {;
                    splits[i] = ByteUtil.copyKeyBytesIfNecessary(ptr);
                    continue;
                }
            }
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     */
    public static Expression compile(StatementContext context, FilterableStatement statement, ParseNode viewWhere) throws SQLException {
        Set<Expression> extractedNodes = Sets.<Expression>newHashSet();
        WhereExpressionCompiler whereCompiler = new WhereExpressionCompiler(context);
        ParseNode where = statement.getWhere();
        Expression expression = where == null ? LiteralExpression.newConstant(true,PDataType.BOOLEAN,true) : where.accept(whereCompiler);
        if (whereCompiler.isAggregate()) {
            throw new SQLExceptionInfo.Builder(SQLExceptionCode.AGGREGATE_IN_WHERE).build().buildException();
        }
        if (expression.getDataType() != PDataType.BOOLEAN) {
            throw TypeMismatchException.newException(PDataType.BOOLEAN, expression.getDataType(), expression.toString());
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        ParseNode having = statement.getHaving();
        if (having == null) {
            return null;
        }
        ExpressionCompiler expressionBuilder = new ExpressionCompiler(context, groupBy);
        Expression expression = having.accept(expressionBuilder);
        if (expression.getDataType() != PDataType.BOOLEAN) {
            throw TypeMismatchException.newException(PDataType.BOOLEAN, expression.getDataType(), expression.toString());
        }
        if (LiteralExpression.isFalse(expression)) {
            context.setScanRanges(ScanRanges.NOTHING);
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        ParseNode having = statement.getHaving();
        if (having == null) {
            return statement;
        }
        HavingClauseVisitor visitor = new HavingClauseVisitor(context, groupBy);
        having.accept(visitor);
        statement = SelectStatementRewriter.moveFromHavingToWhereClause(statement, visitor.getMoveToWhereClauseExpressions());
        return statement;
    }

    /**
 
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                    String alias = aNode.getAlias();
                    String aliasRewrite = alias == null ? null : SchemaUtil.getColumnName(tableAlias, alias);
                    selectNodesRewrite.add(NODE_FACTORY.aliasedNode(aliasRewrite, aNode.getNode()));
                }               
            } else {
                selectNodesRewrite.add(NODE_FACTORY.aliasedNode(aliasedNode.getAlias(), node.accept(this)));
            }
        }
       
        List<OrderByNode> orderBy = select.getOrderBy();
        if (!orderBy.isEmpty()) {
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                return select;
            }
            orderByRewrite = Lists.newArrayListWithExpectedSize(orderBy.size());
            for (OrderByNode orderByNode : orderBy) {
                ParseNode node = orderByNode.getNode();
                orderByRewrite.add(NODE_FACTORY.orderBy(node.accept(this), orderByNode.isNullsLast(), orderByNode.isAscending()));
            }
        }
       
        LimitNode limit = select.getLimit();
        if (limit != null) {
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            ParseNode node = splitNodes.get(i);
            if (!node.isStateless()) {
                throw new SQLExceptionInfo.Builder(SQLExceptionCode.SPLIT_POINT_NOT_CONSTANT)
                    .setMessage("Node: " + node).build().buildException();
            }
            LiteralExpression expression = (LiteralExpression)node.accept(expressionCompiler);
            splits[i] = expression.getBytes();
        }
        final MetaDataClient client = new MetaDataClient(connection);
       
        return new MutationPlan() {
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