Transforming with GPLOAD
To transform data using the
GPLOAD control file, you must specify both the file name for the
TRANSFORM_CONFIG file and the name of the
TRANSFORM operation in the
INPUT section of the
GPLOAD control file.
TRANSFORM_CONFIGspecifies the name of the
TRANSFORMsetting indicates the name of the transformation that is described in the file named in
--- VERSION: 126.96.36.199 DATABASE: ops USER: gpadmin GPLOAD: INPUT: - TRANSFORM_CONFIG: config.yaml - TRANSFORM: prices_input - SOURCE: FILE: prices.xml
The transformation operation name must appear in two places: in the
TRANSFORM setting of the
gpfdist configuration file and in the
TRANSFORMATIONS section of the file named in the
GPLOAD control file, the optional parameter
MAX_LINE_LENGTH specifies the maximum length of a line in the XML transformation data that is passed to hawq load.
The following diagram shows the relationships between the
GPLOAD control file, the
gpfdist configuration file, and the XML data file.