ABAP Select data from SAP table CPURREQNSCDAGRMT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CPURREQNSCDAGRMT table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to CPURREQNSCDAGRMT. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the CPURREQNSCDAGRMT table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_CPURREQNSCDAGRMT TYPE STANDARD TABLE OF CPURREQNSCDAGRMT,
      WA_CPURREQNSCDAGRMT TYPE CPURREQNSCDAGRMT,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <CPURREQNSCDAGRMT> TYPE CPURREQNSCDAGRMT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CPURREQNSCDAGRMT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CPURREQNSCDAGRMT
  INTO TABLE IT_CPURREQNSCDAGRMT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPURREQNSCDAGRMT
*  INTO TABLE @DATA(IT_CPURREQNSCDAGRMT2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_CPURREQNSCDAGRMT INDEX 1 INTO DATA(WA_CPURREQNSCDAGRMT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CPURREQNSCDAGRMT ASSIGNING <CPURREQNSCDAGRMT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPURREQNSCDAGRMT>-MANDT = 1.
<CPURREQNSCDAGRMT>-SCHEDULINGAGREEMENT = 1.
<CPURREQNSCDAGRMT>-SCHEDULINGAGREEMENTITEM = 1.
<CPURREQNSCDAGRMT>-SUPPLIER = 1.
<CPURREQNSCDAGRMT>-MATERIAL = 1.

ENDLOOP.

LOOP AT IT_CPURREQNSCDAGRMT INTO WA_CPURREQNSCDAGRMT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPURREQNSCDAGRMT-MATERIALGROUP, sy-vline,
  WA_CPURREQNSCDAGRMT-NETPRICEAMOUNT, sy-vline,
  WA_CPURREQNSCDAGRMT-DOCUMENTCURRENCY, sy-vline,
  WA_CPURREQNSCDAGRMT-VALIDITYSTARTDATE, sy-vline,
  WA_CPURREQNSCDAGRMT-VALIDITYENDDATE, sy-vline,
  WA_CPURREQNSCDAGRMT-PURCHASINGORGANIZATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPURREQNSCDAGRMT you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_CPURREQNSCDAGRMT TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_CPURREQNSCDAGRMT INTO WA_CPURREQNSCDAGRMT.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field SCHEDULINGAGREEMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPURREQNSCDAGRMT-SCHEDULINGAGREEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPURREQNSCDAGRMT-SCHEDULINGAGREEMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPURREQNSCDAGRMT-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPURREQNSCDAGRMT-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CPURREQNSCDAGRMT-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPURREQNSCDAGRMT-MATERIAL.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CPURREQNSCDAGRMT_STR, 
MANDT TYPE STRING,
SCHEDULINGAGREEMENT TYPE STRING,
SCHEDULINGAGREEMENTITEM TYPE STRING,
SUPPLIER TYPE STRING,
MATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
COMPANYCODE TYPE STRING,
PLANT TYPE STRING,
STORAGELOCATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPURREQNSCDAGRMT_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_CPURREQNSCDAGRMT_STR-MANDT sy-vline 
WA_CPURREQNSCDAGRMT_STR-SCHEDULINGAGREEMENT sy-vline 
WA_CPURREQNSCDAGRMT_STR-SCHEDULINGAGREEMENTITEM sy-vline 
WA_CPURREQNSCDAGRMT_STR-SUPPLIER sy-vline 
WA_CPURREQNSCDAGRMT_STR-MATERIAL sy-vline 
WA_CPURREQNSCDAGRMT_STR-MATERIALGROUP sy-vline 
WA_CPURREQNSCDAGRMT_STR-NETPRICEAMOUNT sy-vline 
WA_CPURREQNSCDAGRMT_STR-DOCUMENTCURRENCY sy-vline 
WA_CPURREQNSCDAGRMT_STR-VALIDITYSTARTDATE sy-vline 
WA_CPURREQNSCDAGRMT_STR-VALIDITYENDDATE sy-vline 
WA_CPURREQNSCDAGRMT_STR-PURCHASINGORGANIZATION sy-vline 
WA_CPURREQNSCDAGRMT_STR-PURCHASINGGROUP sy-vline 
WA_CPURREQNSCDAGRMT_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_CPURREQNSCDAGRMT_STR-COMPANYCODE sy-vline 
WA_CPURREQNSCDAGRMT_STR-PLANT sy-vline 
WA_CPURREQNSCDAGRMT_STR-STORAGELOCATION sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.