参考SourceDescriptor、CsvConnectorDescriptor
schema:
- name: first
type: VARCHAR
- name: id
type: INT
- name: score
type: DOUBLE
- name: last
type: VARCHAR
connector:
path: ~/Code/platform/alchemy/alchemy-web/src/test/resources/source.csv
field-delim: '#'
row-delim: '$'
ignore-first-line: true
ignore-comments: '%'