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Diffstat (limited to 'README.md')
-rw-r--r-- | README.md | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -249,7 +249,8 @@ e.g. The mapper function gets from HBaseRawSource a tuple containing two fields: (rowkey, row). The first field is the row key, the second is the row Result object. You can then process the row as needed. -The sink will write the output fields as columns under the provided family and field name as the column name. +The sink expects a rowkey field in the tuple it gets to use as a row key (it doesn't have to be the same as the one emitted by the source)). +It will then write the output fields (except the rowkey) as columns under the provided family and field name as the column name. You can also provide the field name as a full qualifier (family:column) to specify a different family than was declared in the source. e.g. |