[DRILL-1753] Flatten fails on a repeated map, where the maps being flattened contain repeated lists

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.1.0
• Component/s: Execution - Relational Operators, Functions - Drill
• Assignee: Jason Altekruse
• Reporter: Jason Altekruse
• Created: 19/Nov/14 23:24
• Updated: 02/Jul/15 17:43
• Resolved: 02/Jul/15 17:43

Description

We currently fail to flatten the following data, the issue is the repeated list nested inside of the map, this is not being copied properly during the flatten operation.
{
r_map_3 : [

{ "d" : [ [1021, 1022], [1]] }

,

{ "d" : [ [1010] ] }

]
}

Issue Links

• relates to: DRILL-1673 Flatten function can not work well with nested arrays.