[jira] [Created] (ORC-1047) [C++] Handle quoted field names during string schema parsing

["noirello (Jira)" <ji...@apache.org>]

noirello created ORC-1047:
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             Summary: [C++] Handle quoted field names during string schema parsing
                 Key: ORC-1047
                 URL: https://issues.apache.org/jira/browse/ORC-1047
             Project: ORC
          Issue Type: Bug
          Components: C++
    Affects Versions: 1.6.11, 1.7.0, 1.8.0
            Reporter: noirello
            Assignee: noirello


The current implementation of _Type::buildTypeFromString_ cannot handle string schemas with quoted field names. The following code will raise a logic error of "Unrecognized character.":
{code:java}
auto schema = Type::buildTypeFromString("struct<`quoted.field`:string>");
{code}
Besides that, two other limitations have been encountered:
 * Cannot parse a string schema that only has a _timestamp with local time zone_ type in root.
{code:java}
Type::buildTypeFromString("timestamp with local time zone");
{code}

 * It allows to create struct types without setting a field name, which (based on the Java implementation) should not be a valid ORC schema.
{code:java}
Type::buildTypeFromString("struct<struct<bigint>>");
{code}



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