mbox version 188.8.131.52906252015 by Philipp Katz
Splits messages provided by the “mbody Reader” node into individual body parts. Email bodies are often of type “multi-part” (which can be hierarchically nested) -- this node will split a message down into its individual textual and/or binary parts.
For each message part, a new output row is appended -- this
means, that the number of output rows is greater (or at least
equal) the number of input rows. To allow associating and
grouping message parts which belong to the same message, this
node appends a column “Input ID” which resembles the Row ID of
the corresponding input row. Additionally, a “Hierarchy ID” is
appended; this allows to identify the position of a message part
within the multi-part structure. E.g. a Hierarchy ID
1.2.3 denotes a message part at the third position
within its parent, which in turn occurs at the second position
of the grandparent (root).
Message parts can contain either textual or binary data. The output table will contain two columns which either hold the text or binary content of the corresponding message part.
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