Embulk formatter plugin to output values of a single column. This is a kind of reverse of embulk-parser-none
- Plugin type: formatter
- column_name: A column name which this plugin outputs (string, default: null which extracts the first column)
- null_string: A string value to express NULL value (string, default: "")
- timestamp_format: Timestamp format for timestamp column (string, default: "%Y-%m-%d %H:%M:%S.%6N %z")
- timezone: Timezone for timesatmp column (string, default: UTC)
out:
type: an output plugin supporting a formatter plugin such as `file`
formatter:
type: single_value
column_name: column1
null_string: ""
See ./example for more.
Run example:
# embulk gem install embulk-parser-none
$ ./gradlew classpath
$ embulk run -I lib example/example.yml
Run test:
$ ./gradlew test
Release gem:
$ ./gradlew gemPush