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https://issues.apache.org/jira/browse/HIVE-25230?focusedWorklogId=639686&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-639686
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ASF GitHub Bot logged work on HIVE-25230:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 19/Aug/21 02:28
Start Date: 19/Aug/21 02:28
Worklog Time Spent: 10m
Work Description: stiga-huang commented on pull request #2378:
URL: https://github.com/apache/hive/pull/2378#issuecomment-901560302
Hi @kgyrtkirk, would you have time to look at this?
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Issue Time Tracking
-------------------
Worklog Id: (was: 639686)
Time Spent: 40m (was: 0.5h)
> add position and occurrence to instr()
> --------------------------------------
>
> Key: HIVE-25230
> URL: https://issues.apache.org/jira/browse/HIVE-25230
> Project: Hive
> Issue Type: New Feature
> Components: UDF
> Reporter: Quanlong Huang
> Assignee: Quanlong Huang
> Priority: Major
> Labels: pull-request-available
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Current instr() only supports two arguments:
> {code:java}
> instr(str, substr) - Returns the index of the first occurance of substr in str
> {code}
> Other systems (Vertica, Oracle, Impala etc) support additional position and
> occurrence arguments:
> {code:java}
> instr(str, substr[, pos[, occurrence]])
> {code}
> Oracle doc:
> [https://docs.oracle.com/database/121/SQLRF/functions089.htm#SQLRF00651]
> It'd be nice to support this as well. Otherwise, it's a SQL difference
> between Impala and Hive.
> Impala supports this in IMPALA-3973
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