[SPARK-29849] Spark trunc() func does not support for number group as PostgreSQL

• Type: Sub-task
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 3.0.0
• Component/s: SQL
• Assignee: Unassigned
• Reporter: ABHISHEK KUMAR GUPTA
• Created: 11/Nov/19 14:08
• Updated: 29/Dec/19 06:37

Description

PostgreSQL trunc() function accepts number group as below

SELECT trunc(1234567891.1234567891,4);

output

1	1234567891,1234

Spark does not accept

jdbc:hive2://10.18.19.208:23040/default> SELECT trunc(1234567891.1234567891D,4);
Error: org.apache.spark.sql.AnalysisException: cannot resolve 'trunc(1.2345678911234567E9D, CAST(4 AS STRING))' due to data type mismatch: argument 1 requires date type, however, '1.2345678911234567E9D' is of double type.; line 1 pos 7;
'Project [unresolvedalias(trunc(1.2345678911234567E9, cast(4 as string)), None)]