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From "Markus Kemper (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SQOOP-3211) Sqoop1 (import + --target-dir + --table) using DB2 with case-sensitive-table fails with error (DB2 SQL Error: SQLCODE=-204, SQLSTATE=42704)
Date Mon, 17 Jul 2017 21:38:00 GMT
Markus Kemper created SQOOP-3211:
------------------------------------

             Summary: Sqoop1 (import + --target-dir + --table) using DB2 with case-sensitive-table
fails with error (DB2 SQL Error: SQLCODE=-204, SQLSTATE=42704)
                 Key: SQOOP-3211
                 URL: https://issues.apache.org/jira/browse/SQOOP-3211
             Project: Sqoop
          Issue Type: Bug
         Environment: $ sqoop version
17/07/17 14:22:56 INFO sqoop.Sqoop: Running Sqoop version: 1.4.6-cdh5.10.1
            Reporter: Markus Kemper


Sqoop1 (import + --target-dir + --table) using DB2 with case-sensitive-table fails with error
(DB2 SQL Error: SQLCODE=-204, SQLSTATE=42704), see test case below.

*Test Case*
{noformat}
#################
# STEP 01 - Create Table and Data
#################

export MYCONN=jdbc:db2://host.domain.com:50000/SQOOP
export MYUSER=sqoop;
export MYPSWD=sqoop;

sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "drop table t1"
sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "create table t1
(c1 int)"
sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "insert into t1
values (1)"
sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "select c1 from
t1"

---------------
| C1          | 
---------------
| 1           | 
---------------

#################
# STEP 02 - Import Data (baseline) using (--as-textfile, --as-avrodatafile, --as-parquetfile)
#################

sqoop import --connect $MYCONN --username $MYUSER --password $MYPSWD --table t1_default --target-dir
/user/root/t1 --delete-target-dir --num-mappers 1 --as-textfile
hdfs dfs -cat /user/root/t1/part*

sqoop import --connect $MYCONN --username $MYUSER --password $MYPSWD --table t1_default --target-dir
/user/root/t1_default --delete-target-dir --num-mappers 1 --as-avrodatafile
avro-tools tojson --pretty 'hdfs://host.domain.com/user/root/t1_default/part-m-00000.avro'
sqoop import --connect $MYCONN --username $MYUSER --password $MYPSWD --table t1_default --target-dir
/user/root/t1_default --delete-target-dir --num-mappers 1 --as-parquetfile
hdfs dfs -ls /user/root/t1_default/*.parquet
parquet-tools cat --json 'hdfs://host.domain.com/user/root/t1_default/c2a7687c-b2bd-40d6-8959-d8ce9c240ae6.parquet'


Output:
17/07/17 14:00:41 INFO mapreduce.ImportJobBase: Transferred 2 bytes in 30.2579 seconds (0.0661
bytes/sec)
17/07/17 14:00:41 INFO mapreduce.ImportJobBase: Retrieved 1 records.
~~~~~
1
~~~~~
17/07/17 14:02:05 INFO mapreduce.ImportJobBase: Transferred 263 bytes in 22.8116 seconds (11.5292
bytes/sec)
17/07/17 14:02:05 INFO mapreduce.ImportJobBase: Retrieved 1 records.
~~~~~
{
  "C1_DEFAULT" : {
    "int" : 1
  }
}
~~~~~
17/07/17 14:06:29 INFO mapreduce.ImportJobBase: Transferred 1.2578 KB in 29.3071 seconds (43.9484
bytes/sec)
17/07/17 14:06:29 INFO mapreduce.ImportJobBase: Retrieved 1 records.
~~~~~
-rw-r--r--   3 root root        449 2017-07-17 14:06 /user/root/t1_default/c2a7687c-b2bd-40d6-8959-d8ce9c240ae6.parquet
~~~~~
{"C1_DEFAULT":1}

#################
# STEP 03 - Create Table and Data with case-sensitive DB2 table name
#################

sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "drop table \"t1_lower\""
sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "create table \"t1_lower\"
(\"c1_lower\" int)"
sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "insert into \"t1_lower\"
values (1)"
sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query "select \"c1_lower\"
from \"t1_lower\""
sqoop list-tables --connect $MYCONN --username $MYUSER --password $MYPSWD | egrep -i "t1"

Output:
---------------
| c1_lower    | 
---------------
| 1           | 
---------------
~~~~~
T1_DEFAULT
t1_lower

#################
# STEP 04 - Import Data with case-sensitive DB2 table name using (--as-textfile, --as-avrodatafile,
--as-parquetfile)
#################

sqoop import --connect $MYCONN --username $MYUSER --password $MYPSWD --table \"t1_lower\"
--target-dir /user/root/t1_lower --delete-target-dir --num-mappers 1 --as-textfile
sqoop import --connect $MYCONN --username $MYUSER --password $MYPSWD --table \"t1_lower\"
--target-dir /user/root/t1_lower --delete-target-dir --num-mappers 1 --as-avrodatafile
sqoop import --connect $MYCONN --username $MYUSER --password $MYPSWD --table \"t1_lower\"
--target-dir /user/root/t1_lower --delete-target-dir --num-mappers 1 --as-parquetfile

Output:
17/07/17 14:13:59 INFO manager.SqlManager: Executing SQL statement: SELECT t.* FROM t1_lower
AS t WHERE 1=0
17/07/17 14:13:59 ERROR manager.SqlManager: Error executing statement: com.ibm.db2.jcc.am.SqlSyntaxErrorException:
DB2 SQL Error: SQLCODE=-204, SQLSTATE=42704, SQLERRMC=DB2INST1.T1_LOWER, DRIVER=4.16.53
com.ibm.db2.jcc.am.SqlSyntaxErrorException: DB2 SQL Error: SQLCODE=-204, SQLSTATE=42704, SQLERRMC=DB2INST1.T1_LOWER,
DRIVER=4.16.53
	at com.ibm.db2.jcc.am.fd.a(fd.java:739)
~~~~~
17/07/17 14:14:47 INFO manager.SqlManager: Executing SQL statement: SELECT t.* FROM t1_lower
AS t WHERE 1=0
17/07/17 14:14:47 ERROR manager.SqlManager: Error executing statement: com.ibm.db2.jcc.am.SqlSyntaxErrorException:
DB2 SQL Error: SQLCODE=-204, SQLSTATE=42704, SQLERRMC=DB2INST1.T1_LOWER, DRIVER=4.16.53
com.ibm.db2.jcc.am.SqlSyntaxErrorException: DB2 SQL Error: SQLCODE=-204, SQLSTATE=42704, SQLERRMC=DB2INST1.T1_LOWER,
DRIVER=4.16.53
	at com.ibm.db2.jcc.am.fd.a(fd.java:739)
~~~~~
17/07/17 14:15:26 INFO manager.SqlManager: Executing SQL statement: SELECT t.* FROM t1_lower
AS t WHERE 1=0
17/07/17 14:15:26 ERROR manager.SqlManager: Error executing statement: com.ibm.db2.jcc.am.SqlSyntaxErrorException:
DB2 SQL Error: SQLCODE=-204, SQLSTATE=42704, SQLERRMC=DB2INST1.T1_LOWER, DRIVER=4.16.53
com.ibm.db2.jcc.am.SqlSyntaxErrorException: DB2 SQL Error: SQLCODE=-204, SQLSTATE=42704, SQLERRMC=DB2INST1.T1_LOWER,
DRIVER=4.16.53
	at com.ibm.db2.jcc.am.fd.a(fd.java:739)

#################
# STEP 05 - Import Data with case-sensitive DB2 table name using (--query) as workaround
#################

sqoop import --connect $MYCONN --username $MYUSER --password $MYPSWD --query "select * from
\"t1_lower\" where \$CONDITIONS" --target-dir /user/root/t1_lower --delete-target-dir --num-mappers
1 --as-textfile
hdfs dfs -cat /user/root/t1_lower/part*
sqoop import --connect $MYCONN --username $MYUSER --password $MYPSWD --query "select * from
\"t1_lower\" where \$CONDITIONS" --target-dir /user/root/t1_lower --delete-target-dir --num-mappers
1 --as-avrodatafile
avro-tools tojson --pretty 'hdfs://host.domain.com/user/root/t1_lower/part-m-00000.avro'
sqoop import --connect $MYCONN --username $MYUSER --password $MYPSWD --query "select * from
\"t1_lower\" where \$CONDITIONS" --target-dir /user/root/t1_lower --delete-target-dir --num-mappers
1 --as-parquetfile
hdfs dfs -ls /user/root/t1_lower/*.parquet
parquet-tools cat --json 'hdfs://host.domain.com/user/root/t1_lower/0a9f9927-1e9e-4f6b-90af-adc68403fea0.parquet'

Output:
17/07/17 14:17:34 INFO mapreduce.ImportJobBase: Transferred 2 bytes in 23.1601 seconds (0.0864
bytes/sec)
17/07/17 14:17:34 INFO mapreduce.ImportJobBase: Retrieved 1 records.
~~~~~
1
~~~~~
17/07/17 14:30:30 INFO mapreduce.ImportJobBase: Transferred 270 bytes in 21.6549 seconds (12.4683
bytes/sec)
17/07/17 14:30:30 INFO mapreduce.ImportJobBase: Retrieved 1 records.
~~~~~
{
  "c1_lower" : {
    "int" : 1
  }
}
~~~~~
17/07/17 14:32:51 INFO mapreduce.ImportJobBase: Transferred 1.2832 KB in 24.6545 seconds (53.2966
bytes/sec)
17/07/17 14:32:51 INFO mapreduce.ImportJobBase: Retrieved 1 records.
~~~~~
-rw-r--r--   3 root root        461 2017-07-17 14:32 /user/root/t1_lower/0a9f9927-1e9e-4f6b-90af-adc68403fea0.parquet
~~~~~
{"c1_lower":1}
{noformat}



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