Package org.apache.phoenix.schema

Examples of org.apache.phoenix.schema.PDataType

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            byte[] cq = Bytes.readByteArray(input);
            indexedColumns.add(new ColumnReference(cf,cq));
        }
        indexedColumnTypes = Lists.newArrayListWithExpectedSize(nIndexedColumns);
        for (int i = 0; i < nIndexedColumns; i++) {
            PDataType type = PDataType.values()[WritableUtils.readVInt(input)];
            indexedColumnTypes.add(type);
        }
        int nCoveredColumns = WritableUtils.readVInt(input);
        coveredColumns = Sets.newLinkedHashSetWithExpectedSize(nCoveredColumns);
        for (int i = 0; i < nCoveredColumns; i++) {
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        for (ColumnReference ref : indexedColumns) {
            Bytes.writeByteArray(output, ref.getFamily());
            Bytes.writeByteArray(output, ref.getQualifier());
        }
        for (int i = 0; i < indexedColumnTypes.size(); i++) {
            PDataType type = indexedColumnTypes.get(i);
            WritableUtils.writeVInt(output, type.ordinal());
        }
        WritableUtils.writeVInt(output, coveredColumns.size());
        for (ColumnReference ref : coveredColumns) {
            Bytes.writeByteArray(output, ref.getFamily());
            Bytes.writeByteArray(output, ref.getQualifier());
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        int indexedColumnTypesPos = indexedColumnTypes.size()-1;
        int indexPkPos = nIndexPkColumns-1;
        while (indexPkPos >= 0) {
            int dataPkPos = dataPkPosition[indexPkPos];
            boolean isDataNullable;
            PDataType dataType;
            if (dataPkPos == -1) {
                isDataNullable = true;
                dataType = indexedColumnTypes.get(indexedColumnTypesPos--);
            } else {
                Field dataField = dataRowKeySchema.getField(dataPkPos);
                dataType = dataField.getDataType();
                isDataNullable = dataField.isNullable();
            }
            PDataType indexDataType = IndexUtil.getIndexColumnDataType(isDataNullable, dataType);
            if (indexDataType.isFixedWidth()) {
                break;
            }
            indexPkPos--;
        }
        maxTrailingNulls = nIndexPkColumns-indexPkPos-1;
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        return visitLeave(node, children, null, new ArithmeticExpressionFactory() {
            @Override
            public Expression create(ArithmeticParseNode node, List<Expression> children) throws SQLException {
                // ensure integer types
                for(Expression child : children) {
                    PDataType type = child.getDataType();
                    if(type != null && !type.isCoercibleTo(PDataType.LONG)) {
                        throw TypeMismatchException.newException(type, node.toString());
                    }
                }
               
                return new ModulusExpression(children);
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        for (int i = 0; i < children.size(); i++) {
            ParseNode childNode=node.getChildren().get(i);
            if(childNode instanceof BindParseNode) {
                context.getBindManager().addParamMetaData((BindParseNode)childNode,expression);
            }
            PDataType type=children.get(i).getDataType();
            if(type==PDataType.VARBINARY){
                throw new SQLExceptionInfo.Builder(SQLExceptionCode.TYPE_NOT_SUPPORTED_FOR_OPERATOR)
                .setMessage("Concatenation does not support "+ type +" in expression" + node).build().buildException();
            }
        }
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    @Override
    public Expression visitLeave(ArrayConstructorNode node, List<Expression> children) throws SQLException {
        boolean isChildTypeUnknown = false;
        Expression arrayElemChild = null;
        PDataType arrayElemDataType = children.get(0).getDataType();
        for (int i = 0; i < children.size(); i++) {
            Expression child = children.get(i);
            PDataType childType = child.getDataType();
            if (childType == null) {
                isChildTypeUnknown = true;
            } else if (arrayElemDataType == null) {
                arrayElemDataType = childType;
                isChildTypeUnknown = true;
                arrayElemChild = child;
            } else if (arrayElemDataType == childType || childType.isCoercibleTo(arrayElemDataType)) {
                continue;
            } else if (arrayElemDataType.isCoercibleTo(childType)) {
                arrayElemChild = child;
                arrayElemDataType = childType;
            } else {
                throw new SQLExceptionInfo.Builder(SQLExceptionCode.CANNOT_CONVERT_TYPE)
                        .setMessage(
                                "Case expressions must have common type: " + arrayElemDataType
                                        + " cannot be coerced to " + childType).build().buildException();
            }
        }
        // If we found an "unknown" child type and the return type is a number
        // make the return type be the most general number type of DECIMAL.
        if (isChildTypeUnknown && arrayElemDataType != null && arrayElemDataType.isCoercibleTo(PDataType.DECIMAL)) {
            arrayElemDataType = PDataType.DECIMAL;
        }
        final PDataType theArrayElemDataType = arrayElemDataType;
        for (int i = 0; i < node.getChildren().size(); i++) {
            ParseNode childNode = node.getChildren().get(i);
            if (childNode instanceof BindParseNode) {
                context.getBindManager().addParamMetaData((BindParseNode)childNode,
                        arrayElemDataType == arrayElemChild.getDataType() ? arrayElemChild :
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    }

    // Since we cannot have nullable fixed length in a row key
    // we need to translate to variable length.
    public static PDataType getIndexColumnDataType(PColumn dataColumn) throws SQLException {
        PDataType type = getIndexColumnDataType(dataColumn.isNullable(),dataColumn.getDataType());
        if (type == null) {
            throw new SQLExceptionInfo.Builder(SQLExceptionCode.CANNOT_INDEX_COLUMN_ON_TYPE).setColumnName(dataColumn.getName().getString())
            .setMessage("Type="+dataColumn.getDataType()).build().buildException();
        }
        return type;
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    private static Expression coerceIfNecessary(int index, List<? extends PDatum> targetColumns, Expression expression) throws SQLException {
        if (index < targetColumns.size()) {
            PDatum targetColumn = targetColumns.get(index);
            if (targetColumn.getDataType() != expression.getDataType()) {
                PDataType targetType = targetColumn.getDataType();
                // Check if coerce allowed using more relaxed isCastableTo check, since we promote INTEGER to LONG
                // during expression evaluation and then convert back to INTEGER on UPSERT SELECT (and we don't have
                // (an actual value we can specifically check against).
                if (expression.getDataType() != null && !expression.getDataType().isCastableTo(targetType)) {
                    throw new ArgumentTypeMismatchException(targetType, expression.getDataType(), "column: " + targetColumn);
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        super(name, children, info);
    }

    @Override
    public FunctionExpression create(List<Expression> children, StatementContext context) throws SQLException {
        PDataType dataType = children.get(0).getDataType();
        String formatString = (String)((LiteralExpression)children.get(1)).getValue(); // either date or number format string
        Format formatter =  null;
        FunctionArgumentType type;
       
        if (dataType.isCoercibleTo(PDataType.TIMESTAMP)) {
            if (formatString == null) {
                formatString = context.getDateFormat();
                formatter = context.getDateFormatter();
            } else {
                formatter = FunctionArgumentType.TEMPORAL.getFormatter(formatString);
            }
            type = FunctionArgumentType.TEMPORAL;
        }
        else if (dataType.isCoercibleTo(PDataType.CHAR)) {
            if (formatString != null) {
                formatter = FunctionArgumentType.CHAR.getFormatter(formatString);
            }
            type = FunctionArgumentType.CHAR;
        }
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        return getCeilExpression(children);
    }
   
    public static Expression getCeilExpression(List<Expression> children) throws SQLException {
        final Expression firstChild = children.get(0);
        final PDataType firstChildDataType = firstChild.getDataType();
        if(firstChildDataType.isCoercibleTo(PDataType.DATE)) {
            return CeilDateExpression.create(children);
        } else if (firstChildDataType == PDataType.TIMESTAMP || firstChildDataType == PDataType.UNSIGNED_TIMESTAMP) {
            return CeilTimestampExpression.create(children);
        } else if(firstChildDataType.isCoercibleTo(PDataType.DECIMAL)) {
            return CeilDecimalExpression.create(children);
        } else {
            throw TypeMismatchException.newException(firstChildDataType, "1");
        }
    }
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Related Classes of org.apache.phoenix.schema.PDataType

  • org.apache.phoenix.compile.ExpressionCompiler
  • org.apache.phoenix.compile.GroupByCompiler
  • org.apache.phoenix.compile.IndexStatementRewriter
  • org.apache.phoenix.compile.JoinCompiler$JoinSpec
  • org.apache.phoenix.compile.JoinCompiler$JoinTable
  • org.apache.phoenix.compile.ProjectionCompiler
  • org.apache.phoenix.compile.WhereOptimizer$KeyExpressionVisitor
  • org.apache.phoenix.compile.WhereOptimizer$KeyExpressionVisitor$BaseKeyPart
  • org.apache.phoenix.coprocessor.MetaDataEndpointImpl
  • org.apache.phoenix.end2end.index.IndexTestUtil
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