Examples with StringConcatExpression org.apache.phoenix.expression.StringConcatExpression used on opensource projects

Example 1 with StringConcatExpression

use of org.apache.phoenix.expression.StringConcatExpression in project phoenix by apache.

the class ExpressionCompiler method visitLeave.

@Override
public Expression visitLeave(StringConcatParseNode node, List<Expression> children) throws SQLException {
    final StringConcatExpression expression = new StringConcatExpression(children);
    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 == PVarbinary.INSTANCE) {
            throw new SQLExceptionInfo.Builder(SQLExceptionCode.TYPE_NOT_SUPPORTED_FOR_OPERATOR).setMessage("Concatenation does not support " + type + " in expression" + node).build().buildException();
        }
    }
    ImmutableBytesWritable ptr = context.getTempPtr();
    if (ExpressionUtil.isConstant(expression)) {
        return ExpressionUtil.getConstantExpression(expression, ptr);
    }
    return wrapGroupByExpression(expression);
}