embulk定義について、csvファイルのデータをcolumnsオプションなしで定義可能か

環境:oracle 12c、embulk 0.9.15

bigqueryのテーブルでnumericのカラムがあります。

oracleのデータをcsvにして、embulkでcsvのデータをとりこんで、bigqueryへバルクインサートする

embulkの定義でcolumnsオプションをぬかして、csvのデータをそのままbigqueryへインサートさせたいです。

理由は、embulkではnumericデータがサポート対象外のため

※CSVファイルの中身
9649318,1,7500,P5B,2019/04/17,8982437470,25,I 0400173,01,0,7500,P0A,A05,A05,,7500,P5B,PB94290,7202,,V,0,2019/04/17 18:30:37,2019/04/17 18:30:37,,,0,,,,,,,,,1,0,13642,H・虱S・00368000,,,2019/04/17 18:30:37,SYSTEM,2019/04/17 18:30:37,SYSTEM,7042838,2019/04/17 18:30:37.980,,,,,,,,,01,1,,,,,,,,,,,,,,,,3811502860,,,,,,,,,,虱


※embulk定義
srdcs@SSVR0224:/home1/bigquery/conf$ cat config_T_RS_TRAN.yml
in:
  type: file
  path_prefix: /home1/bigquery/out
  parser:
    type: csv
    delimiter: ','
    skip_header_line: false
    charset: Shift-JIS
    newline: CRLF
    quote: '"'
    escape: '"'
    trim_if_not_quoted: false
    skip_header_lines: 0
    port: 1533
out: {location: asia-northeast1, type: bigquery, auth_method: json_key, json_keyfile: '/home1/bigquery/conf/YZK GCP Project-8bc479ac2a95.json', project: yzk-gcp-project, dataset: srdcs_data, auto_create_table: true, table: T_RS_TRAN_SSVR0224_FULL, open_read_timeout_sec: 360000, send_timeout_sec: 360000, read_timeout_sec: 360000}



※エラー
$embulk run config_T_RS_TRAN.yml
2019-04-17 19:06:19.355 +0900: Embulk v0.9.15
2019-04-17 19:06:19.749 +0900 [WARN] (main): DEPRECATION: JRuby org.jruby.embed.ScriptingContainer is directly injected.
2019-04-17 19:06:21.825 +0900 [INFO] (main): Gem's home and path are set by default: "/export/home/srdcs/.embulk/lib/gems"
2019-04-17 19:06:22.492 +0900 [INFO] (main): Started Embulk v0.9.15
io/console on JRuby shells out to stty for most operations
2019-04-17 19:06:25.564 +0900 [INFO] (0001:transaction): Loaded plugin embulk-output-bigquery (0.4.9)
2019-04-17 19:06:25.602 +0900 [INFO] (0001:transaction): Listing local files at directory '/home1/bigquery/out' filtering filename by prefix ''
2019-04-17 19:06:25.603 +0900 [INFO] (0001:transaction): "follow_symlinks" is set false. Note that symbolic links to directories are skipped.
2019-04-17 19:06:25.604 +0900 [INFO] (0001:transaction): Loading files [/home1/bigquery/out/GCP_CSV_IF20190417183507_ENB]
org.embulk.exec.PartialExecutionException: org.embulk.config.ConfigException: com.fasterxml.jackson.databind.JsonMappingException: Field 'columns' is required but not set
 at [Source: N/A; line: -1, column: -1]
        at org.embulk.exec.BulkLoader$LoaderState.buildPartialExecuteException(BulkLoader.java:340)
        at org.embulk.exec.BulkLoader.doRun(BulkLoader.java:566)
        at org.embulk.exec.BulkLoader.access$000(BulkLoader.java:35)
        at org.embulk.exec.BulkLoader$1.run(BulkLoader.java:353)
        at org.embulk.exec.BulkLoader$1.run(BulkLoader.java:350)
        at org.embulk.spi.Exec.doWith(Exec.java:22)
        at org.embulk.exec.BulkLoader.run(BulkLoader.java:350)
        at org.embulk.EmbulkEmbed.run(EmbulkEmbed.java:178)
        at org.embulk.EmbulkRunner.runInternal(EmbulkRunner.java:292)
        at org.embulk.EmbulkRunner.run(EmbulkRunner.java:156)
        at org.embulk.cli.EmbulkRun.runSubcommand(EmbulkRun.java:436)
        at org.embulk.cli.EmbulkRun.run(EmbulkRun.java:91)
        at org.embulk.cli.Main.main(Main.java:64)
        Suppressed: java.lang.NullPointerException
                at org.embulk.exec.BulkLoader.doCleanup(BulkLoader.java:463)
                at org.embulk.exec.BulkLoader$3.run(BulkLoader.java:397)
                at org.embulk.exec.BulkLoader$3.run(BulkLoader.java:394)
                at org.embulk.spi.Exec.doWith(Exec.java:22)
                at org.embulk.exec.BulkLoader.cleanup(BulkLoader.java:394)
                at org.embulk.EmbulkEmbed.run(EmbulkEmbed.java:181)
                ... 5 more
Caused by: org.embulk.config.ConfigException: com.fasterxml.jackson.databind.JsonMappingException: Field 'columns' is required but not set
 at [Source: N/A; line: -1, column: -1]
        at org.embulk.config.ModelManager.readObjectWithConfigSerDe(ModelManager.java:78)
        at org.embulk.config.DataSourceImpl.loadConfig(DataSourceImpl.java:197)
        at org.embulk.standards.CsvParserPlugin.transaction(CsvParserPlugin.java:212)
        at org.embulk.spi.FileInputRunner$RunnerControl$1.run(FileInputRunner.java:107)
        at org.embulk.spi.util.Decoders$RecursiveControl.transaction(Decoders.java:68)
        at org.embulk.spi.util.Decoders.transaction(Decoders.java:29)
        at org.embulk.spi.FileInputRunner$RunnerControl.run(FileInputRunner.java:105)
        at org.embulk.standards.LocalFileInputPlugin.resume(LocalFileInputPlugin.java:79)
        at org.embulk.standards.LocalFileInputPlugin.transaction(LocalFileInputPlugin.java:72)
        at org.embulk.spi.FileInputRunner.transaction(FileInputRunner.java:62)
        at org.embulk.exec.BulkLoader.doRun(BulkLoader.java:507)
        ... 11 more
Caused by: com.fasterxml.jackson.databind.JsonMappingException: Field 'columns' is required but not set
 at [Source: N/A; line: -1, column: -1]
        at org.embulk.config.TaskSerDe$TaskDeserializer.deserialize(TaskSerDe.java:180)
        at com.fasterxml.jackson.databind.ObjectMapper._readValue(ObjectMapper.java:3708)
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:2005)
        at org.embulk.config.ModelManager.readObjectWithConfigSerDe(ModelManager.java:73)
        ... 21 more

Error: org.embulk.config.ConfigException: com.fasterxml.jackson.databind.JsonMappingException: Field 'columns' is required but not set
 at [Source: N/A; line: -1, column: -1]
srdcs@SSVR0224:/home1/bigquery/conf$