[ https://issues.apache.org/jira/browse/CARBONDATA-3938?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Prasanna Ravichandran updated CARBONDATA-3938: ---------------------------------------------- Description: In Hive read table, we are unable to read a projection column or full scan query. But the aggregate queries are working fine. Test query: --spark beeline; drop table if exists uniqdata; drop table if exists uniqdata1; CREATE TABLE uniqdata(CUST_ID int,CUST_NAME String,ACTIVE_EMUI_VERSION string, DOB timestamp, DOJ timestamp, BIGINT_COLUMN1 bigint,BIGINT_COLUMN2 bigint,DECIMAL_COLUMN1 decimal(30,10), DECIMAL_COLUMN2 decimal(36,10),Double_COLUMN1 double, Double_COLUMN2 double,INTEGER_COLUMN1 int) stored as carbondata ; LOAD DATA INPATH 'hdfs://hacluster/user/prasanna/2000_UniqData.csv' into table uniqdata OPTIONS('DELIMITER'=',', 'QUOTECHAR'='"','BAD_RECORDS_ACTION'='FORCE','FILEHEADER'='CUST_ID,CUST_NAME,ACTIVE_EMUI_VERSION,DOB,DOJ,BIGINT_COLUMN1,BIGINT_COLUMN2,DECIMAL_COLUMN1,DECIMAL_COLUMN2,Double_COLUMN1,Double_COLUMN2,INTEGER_COLUMN1'); CREATE TABLE IF NOT EXISTS uniqdata1 (CUST_ID int,CUST_NAME String,ACTIVE_EMUI_VERSION string, DOB timestamp, DOJ timestamp, BIGINT_COLUMN1 bigint,BIGINT_COLUMN2 bigint,DECIMAL_COLUMN1 decimal(30,10), DECIMAL_COLUMN2 decimal(36,10),Double_COLUMN1 double, Double_COLUMN2 double,INTEGER_COLUMN1 int) ROW FORMAT SERDE 'org.apache.carbondata.hive.CarbonHiveSerDe' WITH SERDEPROPERTIES ('mapreduce.input.carboninputformat.databaseName'='default','mapreduce.input.carboninputformat.tableName'='uniqdata') STORED AS INPUTFORMAT 'org.apache.carbondata.hive.MapredCarbonInputFormat' OUTPUTFORMAT 'org.apache.carbondata.hive.MapredCarbonOutputFormat' LOCATION 'hdfs://hacluster/user/hive/warehouse/uniqdata'; select count(*) from uniqdata1; --Hive Beeline; select count(*) from uniqdata1; --not working, returning 0 rows, eventhough 2000 rows are there;--Issue 1 on Hive read format table; select * from uniqdata1; --Return no rows;--Issue 2 - a) full scan on Hive read format table; select cust_id from uniqdata1 limit 5;--Return no rows;–Issue 2-b select query with projection, not working, returning now rows; Attached the logs for your reference. With the Hive write table the aggregate& filter queries are not working but select * full scan queries are working. All 3 Issues (Full scan - select *, filter queries and aggregate queries) is not working in Hive read format table. This issue also exists when a normal carbon table(created through stored as carbondata) is created in Spark and data is read through select query from Hive beeline.) was: In Hive read table, we are unable to read a projection column or full scan query. But the aggregate queries are working fine. Test query: --spark beeline; drop table if exists uniqdata; drop table if exists uniqdata1; CREATE TABLE uniqdata(CUST_ID int,CUST_NAME String,ACTIVE_EMUI_VERSION string, DOB timestamp, DOJ timestamp, BIGINT_COLUMN1 bigint,BIGINT_COLUMN2 bigint,DECIMAL_COLUMN1 decimal(30,10), DECIMAL_COLUMN2 decimal(36,10),Double_COLUMN1 double, Double_COLUMN2 double,INTEGER_COLUMN1 int) stored as carbondata ; LOAD DATA INPATH 'hdfs://hacluster/user/prasanna/2000_UniqData.csv' into table uniqdata OPTIONS('DELIMITER'=',', 'QUOTECHAR'='"','BAD_RECORDS_ACTION'='FORCE','FILEHEADER'='CUST_ID,CUST_NAME,ACTIVE_EMUI_VERSION,DOB,DOJ,BIGINT_COLUMN1,BIGINT_COLUMN2,DECIMAL_COLUMN1,DECIMAL_COLUMN2,Double_COLUMN1,Double_COLUMN2,INTEGER_COLUMN1'); CREATE TABLE IF NOT EXISTS uniqdata1 (CUST_ID int,CUST_NAME String,ACTIVE_EMUI_VERSION string, DOB timestamp, DOJ timestamp, BIGINT_COLUMN1 bigint,BIGINT_COLUMN2 bigint,DECIMAL_COLUMN1 decimal(30,10), DECIMAL_COLUMN2 decimal(36,10),Double_COLUMN1 double, Double_COLUMN2 double,INTEGER_COLUMN1 int) ROW FORMAT SERDE 'org.apache.carbondata.hive.CarbonHiveSerDe' WITH SERDEPROPERTIES ('mapreduce.input.carboninputformat.databaseName'='default','mapreduce.input.carboninputformat.tableName'='uniqdata') STORED AS INPUTFORMAT 'org.apache.carbondata.hive.MapredCarbonInputFormat' OUTPUTFORMAT 'org.apache.carbondata.hive.MapredCarbonOutputFormat' LOCATION 'hdfs://hacluster/user/hive/warehouse/uniqdata'; select count(*) from uniqdata1; --Hive Beeline; select count(*) from uniqdata1; --not working, returning 0 rows, eventhough 2000 rows are there;--Issue 1 on Hive read format table; select * from uniqdata1; --Return no rows;--Issue 2 - a) full scan on Hive read format table; select cust_id from uniqdata1 limit 5;--Return no rows;–Issue 2-b select query with projection, not working, returning now rows; Attached the logs for your reference. With the Hive write table this issue is not seen. Issue is only seen in Hive read format table. This issue also exists when a normal carbon table is created in Spark and read through Hive beeline. > In Hive read table, we are unable to read a projection column or read a full scan - select * query. Even the aggregate queries are not working. > ----------------------------------------------------------------------------------------------------------------------------------------------- > > Key: CARBONDATA-3938 > URL: https://issues.apache.org/jira/browse/CARBONDATA-3938 > Project: CarbonData > Issue Type: Bug > Components: hive-integration > Affects Versions: 2.0.0 > Reporter: Prasanna Ravichandran > Priority: Major > Attachments: Hive on MR - Read projection column issue.txt > > > In Hive read table, we are unable to read a projection column or full scan query. But the aggregate queries are working fine. > > Test query: > > --spark beeline; > drop table if exists uniqdata; > drop table if exists uniqdata1; > CREATE TABLE uniqdata(CUST_ID int,CUST_NAME String,ACTIVE_EMUI_VERSION string, DOB timestamp, DOJ timestamp, BIGINT_COLUMN1 bigint,BIGINT_COLUMN2 bigint,DECIMAL_COLUMN1 decimal(30,10), DECIMAL_COLUMN2 decimal(36,10),Double_COLUMN1 double, Double_COLUMN2 double,INTEGER_COLUMN1 int) stored as carbondata ; > LOAD DATA INPATH 'hdfs://hacluster/user/prasanna/2000_UniqData.csv' into table uniqdata OPTIONS('DELIMITER'=',', 'QUOTECHAR'='"','BAD_RECORDS_ACTION'='FORCE','FILEHEADER'='CUST_ID,CUST_NAME,ACTIVE_EMUI_VERSION,DOB,DOJ,BIGINT_COLUMN1,BIGINT_COLUMN2,DECIMAL_COLUMN1,DECIMAL_COLUMN2,Double_COLUMN1,Double_COLUMN2,INTEGER_COLUMN1'); > CREATE TABLE IF NOT EXISTS uniqdata1 (CUST_ID int,CUST_NAME String,ACTIVE_EMUI_VERSION string, DOB timestamp, DOJ timestamp, BIGINT_COLUMN1 bigint,BIGINT_COLUMN2 bigint,DECIMAL_COLUMN1 decimal(30,10), DECIMAL_COLUMN2 decimal(36,10),Double_COLUMN1 double, Double_COLUMN2 double,INTEGER_COLUMN1 int) ROW FORMAT SERDE 'org.apache.carbondata.hive.CarbonHiveSerDe' WITH SERDEPROPERTIES ('mapreduce.input.carboninputformat.databaseName'='default','mapreduce.input.carboninputformat.tableName'='uniqdata') STORED AS INPUTFORMAT 'org.apache.carbondata.hive.MapredCarbonInputFormat' OUTPUTFORMAT 'org.apache.carbondata.hive.MapredCarbonOutputFormat' LOCATION 'hdfs://hacluster/user/hive/warehouse/uniqdata'; > select count(*) from uniqdata1; > > > --Hive Beeline; > select count(*) from uniqdata1; --not working, returning 0 rows, eventhough 2000 rows are there;--Issue 1 on Hive read format table; > select * from uniqdata1; --Return no rows;--Issue 2 - a) full scan on Hive read format table; > select cust_id from uniqdata1 limit 5;--Return no rows;–Issue 2-b select query with projection, not working, returning now rows; > Attached the logs for your reference. > With the Hive write table the aggregate& filter queries are not working but select * full scan queries are working. > All 3 Issues (Full scan - select *, filter queries and aggregate queries) is not working in Hive read format table. > This issue also exists when a normal carbon table(created through stored as carbondata) is created in Spark and data is read through select query from Hive beeline.) -- This message was sent by Atlassian Jira (v8.3.4#803005) |
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