ABAP Select data from SAP table EHPMAD_SVT_CLHDR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHPMAD_SVT_CLHDR
*  INTO TABLE @DATA(IT_EHPMAD_SVT_CLHDR2).
*--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_EHPMAD_SVT_CLHDR INDEX 1 INTO DATA(WA_EHPMAD_SVT_CLHDR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHPMAD_SVT_CLHDR>-CLIENT = 1.
<EHPMAD_SVT_CLHDR>-SVTCALCULATIONHEADERUUID = 1.
<EHPMAD_SVT_CLHDR>-LASTCHANGEDATETIME = 1.
<EHPMAD_SVT_CLHDR>-CALCULATIONISDELETED = 1.
<EHPMAD_SVT_CLHDR>-MATERIAL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHPMAD_SVT_CLHDR-SVTPREPROCESSEDDOCUMENTDATE, sy-vline,
  WA_EHPMAD_SVT_CLHDR-CHMLCMPLNCINFOUUID, sy-vline,
  WA_EHPMAD_SVT_CLHDR-CHMLCMPLNCPRODUUID, sy-vline,
  WA_EHPMAD_SVT_CLHDR-CHMLCMPLNCINFOBULKTYPE, sy-vline,
  WA_EHPMAD_SVT_CLHDR-COMPLIANCEREQUIREMENT, sy-vline,
  WA_EHPMAD_SVT_CLHDR-COMPLIANCEREQUIREMENTUUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHPMAD_SVT_CLHDR 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_EHPMAD_SVT_CLHDR 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_EHPMAD_SVT_CLHDR INTO WA_EHPMAD_SVT_CLHDR.


*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_EHPMAD_SVT_CLHDR-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPMAD_SVT_CLHDR-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field BUSINESSPARTNERCUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHPMAD_SVT_CLHDR-BUSINESSPARTNERCUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPMAD_SVT_CLHDR-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_EHPMAD_SVT_CLHDR_STR, 
CLIENT TYPE STRING,
SVTCALCULATIONHEADERUUID TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
CALCULATIONISDELETED TYPE STRING,
MATERIAL TYPE STRING,
SVTPREPROCESSEDDOCUMENTDATE TYPE STRING,
CHMLCMPLNCINFOUUID TYPE STRING,
CHMLCMPLNCPRODUUID TYPE STRING,
CHMLCMPLNCINFOBULKTYPE TYPE STRING,
COMPLIANCEREQUIREMENT TYPE STRING,
COMPLIANCEREQUIREMENTUUID TYPE STRING,
CMPLRQVERSUUID TYPE STRING,
SVTBUSINESSPROCESS TYPE STRING,
SVTBUSINESSPROCESSSCENARIO TYPE STRING,
CALCULATIONISFORPLANNEDQTS TYPE STRING,
PLANT TYPE STRING,
COMPANYCODE TYPE STRING,
LEGALENTITY TYPE STRING,
PRODUCTIONCOUNTRY TYPE STRING,
SUBSTVOLCOUNTRYFROM TYPE STRING,
SUBSTVOLCOUNTRYTO TYPE STRING,
BUSINESSPARTNERSUPPLIER TYPE STRING,
BUSINESSPARTNERCUSTOMER TYPE STRING,
CHMLCOMPOSITIONTYPE TYPE STRING,
SVTPREPROCESSEDDOCUMENTUUID TYPE STRING,
PROCESSEDSTATUS TYPE STRING,
CHMLCOMPOSITIONUUID TYPE STRING,
MATERIALQUANTITY TYPE STRING,
MATERIALQUANTITYUNIT TYPE STRING,
APPLICATIONLOGHANDLE TYPE STRING,
PRODCMPLNCEVENTUUID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHPMAD_SVT_CLHDR_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_EHPMAD_SVT_CLHDR_STR-CLIENT sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-SVTCALCULATIONHEADERUUID sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-LASTCHANGEDATETIME sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-CALCULATIONISDELETED sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-MATERIAL sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-SVTPREPROCESSEDDOCUMENTDATE sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-CHMLCMPLNCINFOUUID sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-CHMLCMPLNCPRODUUID sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-CHMLCMPLNCINFOBULKTYPE sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-COMPLIANCEREQUIREMENT sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-COMPLIANCEREQUIREMENTUUID sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-CMPLRQVERSUUID sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-SVTBUSINESSPROCESS sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-SVTBUSINESSPROCESSSCENARIO sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-CALCULATIONISFORPLANNEDQTS sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-PLANT sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-COMPANYCODE sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-LEGALENTITY sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-PRODUCTIONCOUNTRY sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-SUBSTVOLCOUNTRYFROM sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-SUBSTVOLCOUNTRYTO sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-BUSINESSPARTNERSUPPLIER sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-BUSINESSPARTNERCUSTOMER sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-CHMLCOMPOSITIONTYPE sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-SVTPREPROCESSEDDOCUMENTUUID sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-PROCESSEDSTATUS sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-CHMLCOMPOSITIONUUID sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-MATERIALQUANTITY sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-MATERIALQUANTITYUNIT sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-APPLICATIONLOGHANDLE sy-vline 
WA_EHPMAD_SVT_CLHDR_STR-PRODCMPLNCEVENTUUID sy-vline      INTO ld_text SEPARATED BY SPACE.

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