Join JSON and database data to output an Excel Spreadsheet

#   _____           _              _____        __      
#  |  __ \         (_)            |_   _|      / _|     
#  | |__) |___  ___ _ _ __   ___    | |  _ __ | |_ ___  
#  |  _  // _ \/ __| | '_ \ / _ \   | | | '_ \|  _/ _ \ 
#  | | \ \  __/ (__| | |_) |  __/  _| |_| | | | || (_) |
#  |_|  \_\___|\___|_| .__/ \___| |_____|_| |_|_| \___/ 
#                    | |                                
#                    |_|

# Project Name - CSV FILE READER

# Recipe ID - 
# Recipe URL - https://app.lingk.io/a/10932/tf/17961

# Description - # This recipe joins and aggregates multiple Excel worksheets / spreadsheets and ouput a single Excel spreadsheet
                # To use this recipe, upload the file(s) into the Local File connector for your Environment

# Industry - Higher Ed
# Business Process - Graduate Reporting

# Systems - 
# Connectors - LocalFile
# Data Flows - Single Direction
# Connection Type - Excel

# Add Recipe notes / Change log information here!

#    _____                            _                 
#   / ____|                          | |                
#  | |     ___  _ __  _ __   ___  ___| |_ ___  _ __ ___ 
#  | |    / _ \| '_ \| '_ \ / _ \/ __| __/ _ \| '__/ __|
#  | |___| (_) | | | | | | |  __/ (__| || (_) | |  \__ \
#   \_____\___/|_| |_|_| |_|\___|\___|\__\___/|_|  |___/
#

# CONNECTORS specify what data will be pulled into the in-memory database during processing

connectors:

# Configure LocalFile credentials in your Environment before running this recipe
  # LocalFile Setup - https://help.lingk.io/en/articles/126-local-file-connector-reference

###### Start - LocalFile connectors ######

- name: excel1
    type: localFileReader
    format: excelFormat1
    properties:
      fileName: multiple_worksheets.xlsx

- name: excel2
    type: localFileReader
    format: excelFormat2
    properties:
      fileName: rows_66k.xlsx

- name: excelOutput
    type: localFileWriter
    format: excelFormatOutput
    properties:
      fileName: carsDatasetFinal.xlsx

###### End - LocalFile connectors ######

#   ______                         _       
#  |  ____|                       | |      
#  | |__ ___  _ __ _ __ ___   __ _| |_ ___ 
#  |  __/ _ \| '__| '_ ` _ \ / _` | __/ __|
#  | | | (_) | |  | | | | | | (_| | |_\__ \
#  |_|  \___/|_|  |_| |_| |_|\__,_|\__|___/

# FORMATS specify how files should be processed as they are being read or written to

readFormats:

- name: excelFormat1
    type: excel
    properties:
      worksheets: 'Subaru,Ford'
      useHeader: 'true'

- name: excelFormat2
    type: excel
    properties:
      worksheets: data
      useHeader: 'true'

writeFormats:

- name: excelFormatOutput
    type: excel
    properties:
      worksheets: final data
      useHeader: 'true'

#    _____ _        _                            _       
#   / ____| |      | |                          | |      
#  | (___ | |_ __ _| |_ ___ _ __ ___   ___ _ __ | |_ ___ 
#   \___ \| __/ _` | __/ _ \ '_ ` _ \ / _ \ '_ \| __/ __|
#   ____) | || (_| | ||  __/ | | | | |  __/ | | | |_\__ \
#  |_____/ \__\__,_|\__\___|_| |_| |_|\___|_| |_|\__|___/

# STATEMENTS specify how the data should be processed while in memory

statements:

#******************************************************************** D I S C L A I M E R ***********************************************************************************************
#                                                                                                                                                                                       * 
# Note that in an effort to keep recipes optimized for DPH (Data Processing Hours), print statements should be commented out after development has concluded for a recipe.              *
# For more information on DPH optimization, please visit the following help article - https://help.lingk.io/en/articles/212-minimizing-data-processing-hours-on-the-lingk-platform      *
#                                                                                                                                                                                       * 
#******************************************************************** D I S C L A I M E R ***********************************************************************************************

#  - statement: (data) => select * from excel1
#  - statement: print data

#  - statement: (dataCount) => select count(*) from excel1
#  - statement: print dataCount

#  - statement: (data) => select * from excel2
#  - statement: print data

#  - statement: (dataCount) => select count(*) from excel2
#  - statement: print dataCount

- statement: |
      (joinedData) => 
            SELECT 
              ucase(excel1.car)   Manufacturer, 
              excel1.model        Model, 
              excel1.year         Year,
              count(excel1.car)   `Number of Cars`
            FROM excel1
            INNER JOIN excel2 ON 
                excel1.car = excel2.car AND 
                excel1.model = excel2.car_model AND
                excel1.year = excel2.car_year
             GROUP BY 
                excel1.car, 
                excel1.model, 
                excel1.year

#- statement: print joinedData

- statement: (dataCount) => select count(*) from joinedData
 # - statement: print dataCount

- statement: INSERT joinedData INTO excelOutput

# Add more statements to convert, join, aggregrate, transform, and integrate your data