ABAP Select data from SAP table EHPMAS_SVT_CLHDR_AGG into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EHPMAS_SVT_CLHDR_AGG 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 EHPMAS_SVT_CLHDR_AGG. 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 EHPMAS_SVT_CLHDR_AGG 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_EHPMAS_SVT_CLHDR_AGG TYPE STANDARD TABLE OF EHPMAS_SVT_CLHDR_AGG,
      WA_EHPMAS_SVT_CLHDR_AGG TYPE EHPMAS_SVT_CLHDR_AGG,
      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: <EHPMAS_SVT_CLHDR_AGG> TYPE EHPMAS_SVT_CLHDR_AGG.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHPMAS_SVT_CLHDR_AGG
*  INTO TABLE @DATA(IT_EHPMAS_SVT_CLHDR_AGG2).
*--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_EHPMAS_SVT_CLHDR_AGG INDEX 1 INTO DATA(WA_EHPMAS_SVT_CLHDR_AGG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHPMAS_SVT_CLHDR_AGG>-SVTCALCULATIONHEADERUUID = 1.
<EHPMAS_SVT_CLHDR_AGG>-MATERIAL = 1.
<EHPMAS_SVT_CLHDR_AGG>-SVTPREPROCESSEDDOCUMENTDATE = 1.
<EHPMAS_SVT_CLHDR_AGG>-COMPLIANCEREQUIREMENT = 1.
<EHPMAS_SVT_CLHDR_AGG>-COMPLIANCEREQUIREMENTUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHPMAS_SVT_CLHDR_AGG-CMPLRQVERSUUID, sy-vline,
  WA_EHPMAS_SVT_CLHDR_AGG-SVTBUSINESSPROCESS, sy-vline,
  WA_EHPMAS_SVT_CLHDR_AGG-SVTBUSINESSPROCESSSCENARIO, sy-vline,
  WA_EHPMAS_SVT_CLHDR_AGG-CALCULATIONISFORPLANNEDQTS, sy-vline,
  WA_EHPMAS_SVT_CLHDR_AGG-LEGALENTITY, sy-vline,
  WA_EHPMAS_SVT_CLHDR_AGG-BUSINESSPARTNERSUPPLIER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHPMAS_SVT_CLHDR_AGG 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_EHPMAS_SVT_CLHDR_AGG 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_EHPMAS_SVT_CLHDR_AGG INTO WA_EHPMAS_SVT_CLHDR_AGG.


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

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

*Conversion exit ALPHA, internal->external for field BUSINESSPARTNERCUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHPMAS_SVT_CLHDR_AGG-BUSINESSPARTNERCUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPMAS_SVT_CLHDR_AGG-BUSINESSPARTNERCUSTOMER.
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_EHPMAS_SVT_CLHDR_AGG_STR, 
SVTCALCULATIONHEADERUUID TYPE STRING,
MATERIAL TYPE STRING,
SVTPREPROCESSEDDOCUMENTDATE TYPE STRING,
COMPLIANCEREQUIREMENT TYPE STRING,
COMPLIANCEREQUIREMENTUUID TYPE STRING,
CMPLRQVERSUUID TYPE STRING,
SVTBUSINESSPROCESS TYPE STRING,
SVTBUSINESSPROCESSSCENARIO TYPE STRING,
CALCULATIONISFORPLANNEDQTS TYPE STRING,
LEGALENTITY TYPE STRING,
BUSINESSPARTNERSUPPLIER TYPE STRING,
BUSINESSPARTNERCUSTOMER TYPE STRING,
SVTPREPROCESSEDDOCUMENTUUID TYPE STRING,
MATERIALQUANTITY TYPE STRING,
MATERIALQUANTITYUNIT TYPE STRING,
APPLICATIONLOGHANDLE TYPE STRING,
CHMLCMPLNCINFOUUID TYPE STRING,
PLANT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHPMAS_SVT_CLHDR_AGG_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_EHPMAS_SVT_CLHDR_AGG_STR-SVTCALCULATIONHEADERUUID sy-vline 
WA_EHPMAS_SVT_CLHDR_AGG_STR-MATERIAL sy-vline 
WA_EHPMAS_SVT_CLHDR_AGG_STR-SVTPREPROCESSEDDOCUMENTDATE sy-vline 
WA_EHPMAS_SVT_CLHDR_AGG_STR-COMPLIANCEREQUIREMENT sy-vline 
WA_EHPMAS_SVT_CLHDR_AGG_STR-COMPLIANCEREQUIREMENTUUID sy-vline 
WA_EHPMAS_SVT_CLHDR_AGG_STR-CMPLRQVERSUUID sy-vline 
WA_EHPMAS_SVT_CLHDR_AGG_STR-SVTBUSINESSPROCESS sy-vline 
WA_EHPMAS_SVT_CLHDR_AGG_STR-SVTBUSINESSPROCESSSCENARIO sy-vline 
WA_EHPMAS_SVT_CLHDR_AGG_STR-CALCULATIONISFORPLANNEDQTS sy-vline 
WA_EHPMAS_SVT_CLHDR_AGG_STR-LEGALENTITY sy-vline 
WA_EHPMAS_SVT_CLHDR_AGG_STR-BUSINESSPARTNERSUPPLIER sy-vline 
WA_EHPMAS_SVT_CLHDR_AGG_STR-BUSINESSPARTNERCUSTOMER sy-vline 
WA_EHPMAS_SVT_CLHDR_AGG_STR-SVTPREPROCESSEDDOCUMENTUUID sy-vline 
WA_EHPMAS_SVT_CLHDR_AGG_STR-MATERIALQUANTITY sy-vline 
WA_EHPMAS_SVT_CLHDR_AGG_STR-MATERIALQUANTITYUNIT sy-vline 
WA_EHPMAS_SVT_CLHDR_AGG_STR-APPLICATIONLOGHANDLE sy-vline 
WA_EHPMAS_SVT_CLHDR_AGG_STR-CHMLCMPLNCINFOUUID sy-vline 
WA_EHPMAS_SVT_CLHDR_AGG_STR-PLANT sy-vline      INTO ld_text SEPARATED BY SPACE.

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