[DRILL-835] C++ Client cannot identify schema changes spanning multiple record batch

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.4.0
• Component/s: Client - C++
• Assignee: Unassigned
• Reporter: Xiaomeng Huang
• Created: 24/May/14 01:56
• Updated: 31/Jul/14 06:32
• Resolved: 20/Jun/14 20:28

Description

When querying a large enough json file (attached `metadata-evolution.json`) containing mutant. C++ client can not identify the schema changes. See sqlline.log for the metadata information.

There is a "mutant" in the end of the file

...
{
"name":"EEEEE",
"isDirectory":false,
"isFile":true,
"isSymlink":false,
"length":"3456",
"ownerName":"root",
"groupName":"root",
"modificationTime":"2011-11-11T14:31:58.000-0700",
"accessTime":"2012-11-11T14:31:58.000-0700",
"permission":"-rw-r--r--."
}
{
"name":"Wolverine",
"mutant":true,
"age":"100",
"firstName":"Logan",
"powers":"Healing, Adamantium claws"
}
{
"name":"AAAAA",
"isDirectory":true,
"isFile":false,
"isSymlink":false,
"length":"100",
"ownerName":"root",
"groupName":"root",
"modificationTime":"2013-10-11T14:31:58.000-0700",
"accessTime":"2013-10-11T14:31:58.000-0700",
"permission":"-rw-r--r--."
}
...

Issue Links

• Is contained by: DRILL-875 C++ client - Memory handling and other issues need to be fixed