Examples of org.apache.phoenix.parse.ParseNode

org.apache.phoenix.parse.ParseNode
Abstract base class for a parse node in SQL @since 0.1

     * Used for testing to get access to the expressions that were used to form the start/stop key of the scan
     * @param statement TODO
     */
    public static Expression compileWhereClause(StatementContext context, FilterableStatement statement,
            Set<Expression> extractedNodes) throws SQLException {
        ParseNode where = statement.getWhere();
        if (where == null) {
            return null;
        }
        WhereExpressionCompiler whereCompiler = new WhereExpressionCompiler(context);
        Expression expression = where.accept(whereCompiler);
        if (whereCompiler.isAggregate()) {
            throw new SQLExceptionInfo.Builder(SQLExceptionCode.AGGREGATE_IN_WHERE).build().buildException();
        }
        if (expression.getDataType() != PDataType.BOOLEAN) {
            throw new TypeMismatchException(PDataType.BOOLEAN, expression.getDataType(), expression.toString());

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    @Override
    public ParseNode visit(ColumnParseNode node) throws SQLException {
        ColumnRef dataColRef = getResolver().resolveColumn(node.getSchemaName(), node.getTableName(), node.getName());
        String indexColName = IndexUtil.getIndexColumnName(dataColRef.getColumn());
        // Same alias as before, but use the index column name instead of the data column name
        ParseNode indexColNode = new ColumnParseNode(null, indexColName, node.toString());
        PDataType indexColType = IndexUtil.getIndexColumnDataType(dataColRef.getColumn());
        PDataType dataColType = dataColRef.getColumn().getDataType();


        // Coerce index column reference back to same type as data column so that
        // expression behave exactly the same. No need to invert, as this will be done

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        }
    }


    @Override
    public Expression visitLeave(ComparisonParseNode node, List<Expression> children) throws SQLException {
        ParseNode lhsNode = node.getChildren().get(0);
        ParseNode rhsNode = node.getChildren().get(1);
        Expression lhsExpr = children.get(0);
        Expression rhsExpr = children.get(1);


        PDataType lhsExprDataType = lhsExpr.getDataType();
        PDataType rhsExprDataType = rhsExpr.getDataType();

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    @Override
    public Expression visitLeave(CaseParseNode node, List<Expression> l) throws SQLException {
        final CaseExpression caseExpression = new CaseExpression(l);
        for (int i = 0; i < node.getChildren().size(); i+=2) {
            ParseNode childNode = node.getChildren().get(i);
            if (childNode instanceof BindParseNode) {
                context.getBindManager().addParamMetaData((BindParseNode)childNode, new DelegateDatum(caseExpression));
            }
        }
        if (node.isConstant()) {

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        return true;
    }


    @Override
    public Expression visitLeave(LikeParseNode node, List<Expression> children) throws SQLException {
        ParseNode lhsNode = node.getChildren().get(0);
        ParseNode rhsNode = node.getChildren().get(1);
        Expression lhs = children.get(0);
        Expression rhs = children.get(1);
        if ( rhs.getDataType() != null && lhs.getDataType() != null && 
                !lhs.getDataType().isCoercibleTo(rhs.getDataType())  && 
                !rhs.getDataType().isCoercibleTo(lhs.getDataType())) {

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        return true;
    }


    @Override
    public Expression visitLeave(NotParseNode node, List<Expression> children) throws SQLException {
        ParseNode childNode = node.getChildren().get(0);
        Expression child = children.get(0);
        if (!PDataType.BOOLEAN.isCoercibleTo(child.getDataType())) {
            throw new TypeMismatchException(PDataType.BOOLEAN, child.getDataType(), node.toString());
        }
        if (childNode instanceof BindParseNode) { // TODO: valid/possibe?

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        return true;
    }


    @Override
    public Expression visitLeave(CastParseNode node, List<Expression> children) throws SQLException {
        final ParseNode childNode = node.getChildren().get(0);
        final Expression child = children.get(0);
        final PDataType dataType = child.getDataType();
        final PDataType targetDataType = node.getDataType();


        if (childNode instanceof BindParseNode) {

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    public Expression visitLeave(InListParseNode node, List<Expression> l) throws SQLException {
        List<Expression> inChildren = l;
        Expression firstChild = inChildren.get(0);
        ImmutableBytesWritable ptr = context.getTempPtr();
        PDataType firstChildType = firstChild.getDataType();
        ParseNode firstChildNode = node.getChildren().get(0);
        
        if (firstChildNode instanceof BindParseNode) {
            PDatum datum = firstChild;
            if (firstChildType == null) {
                datum = inferBindDatum(inChildren);
            }
            context.getBindManager().addParamMetaData((BindParseNode)firstChildNode, datum);
        }
        for (int i = 1; i < l.size(); i++) {
            ParseNode childNode = node.getChildren().get(i);
            if (childNode instanceof BindParseNode) {
                context.getBindManager().addParamMetaData((BindParseNode)childNode, firstChild);
            }
        }
        if (firstChildNode.isConstant() && firstChild.evaluate(null, ptr) && ptr.getLength() == 0) {

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        return true;
    }


    @Override
    public Expression visitLeave(IsNullParseNode node, List<Expression> children) throws SQLException {
        ParseNode childNode = node.getChildren().get(0);
        Expression child = children.get(0);
        if (childNode instanceof BindParseNode) { // TODO: valid/possibe?
            context.getBindManager().addParamMetaData((BindParseNode)childNode, child);
        }
        Boolean value = null;

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        }


        Expression expression = factory.create(node, children);


        for (int i = 0; i < node.getChildren().size(); i++) {
            ParseNode childNode = node.getChildren().get(i);
            if (childNode instanceof BindParseNode) {
                context.getBindManager().addParamMetaData((BindParseNode)childNode, binder == null ? expression : binder.getBindMetaData(i, children, expression));
            }
        }

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Related Classes of org.apache.phoenix.parse.ParseNode

org.apache.phoenix.compile.CreateIndexCompiler

org.apache.phoenix.compile.CreateSequenceCompiler

org.apache.phoenix.compile.CreateTableCompiler

org.apache.phoenix.compile.ExpressionCompiler

org.apache.phoenix.compile.FromCompiler$MultiTableColumnResolver

org.apache.phoenix.compile.HavingCompiler

org.apache.phoenix.compile.IndexStatementRewriter

org.apache.phoenix.compile.JoinCompiler

org.apache.phoenix.compile.ProjectionCompiler

org.apache.phoenix.compile.QueryCompiler

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