[HIVE-13434] BaseSemanticAnalyzer.unescapeSQLString doesn't unescape \u0000 style character literals.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.0
• Fix Version/s: 2.1.0
• Component/s: Parser
• Assignee: Kousuke Saruta
• Reporter: Kousuke Saruta
• Created: 06/Apr/16 14:13
• Updated: 21/Jun/16 15:16
• Resolved: 10/Apr/16 00:38

Description

BaseSemanticAnalyzer.unescapeSQLString method may have a fault. When "\u0061" style character literals are passed to the method, it's not unescaped successfully.

In Spark SQL project, we referenced the unescaping logic and noticed this issue (SPARK-14426)

Issue Links

• is duplicated by: HIVE-13412 External table - fields terminated by '\u0044' - 0044 is being interpreted as decimal and not hex