Vlookup

Inspired by Excel... a VLookup experience that works in SQL

Required Inputs

• Lookup Column: The column to look up in the Lookup Table. Make sure the column is named the same in both tables.

• Lookup Table: The table to look up the Lookup Column in.

Optional Inputs

• Keep Columns: The columns to keep from the Lookup Table. If not provided, all columns from the Lookup Table will be kept.

Notes

• For values that don't find a match in the lookup_column, you will see Null

• For columns that have the same name in both tables, the columns in the Lookup Table will be prefixed with the table name

Parameters

Name	Type	Description	Is Optional
lookup_column	column	Column to look up in the lookup table
lookup_table	table	Table to look up the lookup_column in
keep_columns	column_list	Columns to keep from the lookup table	True

Example

internet_sales = rasgo.get.dataset(74)
customer = rasgo.get.dataset(55)
product = rasgo.get.dataset(75)

ds2 = internet_sales.vlookup(
  lookup_column='PRODUCTKEY',
  lookup_table=product.fqtn,
  keep_columns=['WEIGHT', 'ENGLISHDESCRIPTION']
)
ds2.preview()

Source Code

RasgoTransforms/rasgotransforms/rasgotransforms/transforms/vlookup/vlookup.sql at main · rasgointelligence/RasgoTransformsGitHub