[jira] [Updated] (HIVE-9201) Lazy functions do not handle newlines and carriage returns properly
[ https://issues.apache.org/jira/browse/HIVE-9201?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Yongzhi Chen updated HIVE-9201: --- Summary: Lazy functions do not handle newlines and carriage returns properly (was: Lazy functions does not handle newlines and carriage returns properly) Lazy functions do not handle newlines and carriage returns properly --- Key: HIVE-9201 URL: https://issues.apache.org/jira/browse/HIVE-9201 Project: Hive Issue Type: Bug Reporter: Yongzhi Chen Hive returns wrong result when returning string has char \r or \n in it. This happens when the query can trigger mapreduce jobs. For example, for a table named strsim with only one row: As shown following, query 1 returns 1 row while query 2 returns 3 rows. Query 1: select abc, narray from strsim LATERAL VIEW explode(array(1)) C AS narray; Query 2: select a\rb\nc, narray from strsim LATERAL VIEW explode(array(1)) C AS narray; select abc, narray from strsim LATERAL VIEW e xplode(array(1)) C AS narray; INFO : Number of reduce tasks is set to 0 since there's no reduce operator INFO : Job running in-process (local Hadoop) INFO : 2014-12-23 15:00:08,958 Stage-1 map = 0%, reduce = 0% INFO : Ended Job = job_local1178499218_0015 +--+-+--+ 1 row selected (1.283 seconds) | _c0 | narray | +--+-+--+ | abc | 1 | +--+-+--+ select a\rb\nc, narray from strsim LATERAL VI EW explode(array(1)) C AS narray; INFO : Number of reduce tasks is set to 0 since there's no reduce operator INFO : Job running in-process (local Hadoop) INFO : 2014-12-23 15:04:35,441 Stage-1 map = 0%, reduce = 0% INFO : Ended Job = job_local1816711099_0016 +--+-+--+ 3 rows selected (1.135 seconds) | _c0 | narray | +--+-+--+ | a| NULL| | b| NULL| | c| 1 | +--+-+--+ -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-9201) Lazy functions do not handle newlines and carriage returns properly
[ https://issues.apache.org/jira/browse/HIVE-9201?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Yongzhi Chen updated HIVE-9201: --- Attachment: HIVE-9201.1.patch Need code review. Lazy functions do not handle newlines and carriage returns properly --- Key: HIVE-9201 URL: https://issues.apache.org/jira/browse/HIVE-9201 Project: Hive Issue Type: Bug Reporter: Yongzhi Chen Assignee: Yongzhi Chen Attachments: HIVE-9201.1.patch Hive returns wrong result when returning string has char \r or \n in it. This happens when the query can trigger mapreduce jobs. For example, for a table named strsim with only one row: As shown following, query 1 returns 1 row while query 2 returns 3 rows. Query 1: select abc, narray from strsim LATERAL VIEW explode(array(1)) C AS narray; Query 2: select a\rb\nc, narray from strsim LATERAL VIEW explode(array(1)) C AS narray; select abc, narray from strsim LATERAL VIEW e xplode(array(1)) C AS narray; INFO : Number of reduce tasks is set to 0 since there's no reduce operator INFO : Job running in-process (local Hadoop) INFO : 2014-12-23 15:00:08,958 Stage-1 map = 0%, reduce = 0% INFO : Ended Job = job_local1178499218_0015 +--+-+--+ 1 row selected (1.283 seconds) | _c0 | narray | +--+-+--+ | abc | 1 | +--+-+--+ select a\rb\nc, narray from strsim LATERAL VI EW explode(array(1)) C AS narray; INFO : Number of reduce tasks is set to 0 since there's no reduce operator INFO : Job running in-process (local Hadoop) INFO : 2014-12-23 15:04:35,441 Stage-1 map = 0%, reduce = 0% INFO : Ended Job = job_local1816711099_0016 +--+-+--+ 3 rows selected (1.135 seconds) | _c0 | narray | +--+-+--+ | a| NULL| | b| NULL| | c| 1 | +--+-+--+ -- This message was sent by Atlassian JIRA (v6.3.4#6332)
[jira] [Updated] (HIVE-9201) Lazy functions do not handle newlines and carriage returns properly
[ https://issues.apache.org/jira/browse/HIVE-9201?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Yongzhi Chen updated HIVE-9201: --- Affects Version/s: 0.14.0 0.13.1 Status: Patch Available (was: Open) Lazy functions do not handle newlines and carriage returns properly --- Key: HIVE-9201 URL: https://issues.apache.org/jira/browse/HIVE-9201 Project: Hive Issue Type: Bug Affects Versions: 0.13.1, 0.14.0 Reporter: Yongzhi Chen Assignee: Yongzhi Chen Attachments: HIVE-9201.1.patch Hive returns wrong result when returning string has char \r or \n in it. This happens when the query can trigger mapreduce jobs. For example, for a table named strsim with only one row: As shown following, query 1 returns 1 row while query 2 returns 3 rows. Query 1: select abc, narray from strsim LATERAL VIEW explode(array(1)) C AS narray; Query 2: select a\rb\nc, narray from strsim LATERAL VIEW explode(array(1)) C AS narray; select abc, narray from strsim LATERAL VIEW e xplode(array(1)) C AS narray; INFO : Number of reduce tasks is set to 0 since there's no reduce operator INFO : Job running in-process (local Hadoop) INFO : 2014-12-23 15:00:08,958 Stage-1 map = 0%, reduce = 0% INFO : Ended Job = job_local1178499218_0015 +--+-+--+ 1 row selected (1.283 seconds) | _c0 | narray | +--+-+--+ | abc | 1 | +--+-+--+ select a\rb\nc, narray from strsim LATERAL VI EW explode(array(1)) C AS narray; INFO : Number of reduce tasks is set to 0 since there's no reduce operator INFO : Job running in-process (local Hadoop) INFO : 2014-12-23 15:04:35,441 Stage-1 map = 0%, reduce = 0% INFO : Ended Job = job_local1816711099_0016 +--+-+--+ 3 rows selected (1.135 seconds) | _c0 | narray | +--+-+--+ | a| NULL| | b| NULL| | c| 1 | +--+-+--+ -- This message was sent by Atlassian JIRA (v6.3.4#6332)
