[
https://issues.apache.org/jira/browse/SQOOP-3211?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ying Cao resolved SQOOP-3211.
-----------------------------
Resolution: Not A Problem
Assignee: Ying Cao
this is a typical error of DB2 is not case-sensitive database, for the
lower-case table name please use \"\" to make table name
> 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
> Assignee: Ying Cao
>
> 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_default"
> sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query
> "create table t1_default (c1_default int)"
> sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query
> "insert into t1_default values (1)"
> sqoop eval --connect $MYCONN --username $MYUSER --password $MYPSWD --query
> "select c1_default from t1_default"
> ---------------
> | C1_DEFAULT |
> ---------------
> | 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_default --delete-target-dir
> --num-mappers 1 --as-textfile
> hdfs dfs -cat /user/root/t1_default/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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