ABAP Select data from SAP table /SAPAPO/PUR_SCH_SA_DETAILS_PDF into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/PUR_SCH_SA_DETAILS_PDF 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 /SAPAPO/PUR_SCH_SA_DETAILS_PDF. 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 /SAPAPO/PUR_SCH_SA_DETAILS_PDF 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_/SAPAPO/PUR_SCH_SA_DETAILS_PDF TYPE STANDARD TABLE OF /SAPAPO/PUR_SCH_SA_DETAILS_PDF,
      WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF TYPE /SAPAPO/PUR_SCH_SA_DETAILS_PDF,
      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: </SAPAPO/PUR_SCH_SA_DETAILS_PDF> TYPE /SAPAPO/PUR_SCH_SA_DETAILS_PDF.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/PUR_SCH_SA_DETAILS_PDF
  INTO TABLE IT_/SAPAPO/PUR_SCH_SA_DETAILS_PDF.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/PUR_SCH_SA_DETAILS_PDF
*  INTO TABLE @DATA(IT_/SAPAPO/PUR_SCH_SA_DETAILS_PDF2).
*--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_/SAPAPO/PUR_SCH_SA_DETAILS_PDF INDEX 1 INTO DATA(WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/PUR_SCH_SA_DETAILS_PDF ASSIGNING </SAPAPO/PUR_SCH_SA_DETAILS_PDF>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/PUR_SCH_SA_DETAILS_PDF>-TERSL = 1.
</SAPAPO/PUR_SCH_SA_DETAILS_PDF>-ABART = 1.
</SAPAPO/PUR_SCH_SA_DETAILS_PDF>-LOCNO = 1.
</SAPAPO/PUR_SCH_SA_DETAILS_PDF>-MAKTL = 1.
</SAPAPO/PUR_SCH_SA_DETAILS_PDF>-LGBZO = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/PUR_SCH_SA_DETAILS_PDF INTO WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF-RELME, sy-vline,
  WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF-ABRUF, sy-vline,
  WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF-EBELN, sy-vline,
  WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF-EBELP, sy-vline,
  WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF-H_ERDAT, sy-vline,
  WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF-H_ERDAT_OLD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF 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_/SAPAPO/PUR_SCH_SA_DETAILS_PDF 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_/SAPAPO/PUR_SCH_SA_DETAILS_PDF INTO WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF.


*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 CUNIT, internal->external for field RELME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF-RELME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF-RELME.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit TSTPS, internal->external for field ABFDE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF-ABFDE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF-ABFDE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field ABMDE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF-ABMDE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF-ABMDE.
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_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR, 
TERSL TYPE STRING,
ABART TYPE STRING,
LOCNO TYPE STRING,
MAKTL TYPE STRING,
LGBZO TYPE STRING,
RELME TYPE STRING,
ABRUF TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
H_ERDAT TYPE STRING,
H_ERDAT_OLD TYPE STRING,
OUT_VALFR TYPE STRING,
ABRUF_OLD TYPE STRING,
ADRNUMBER TYPE STRING,
DSNAM TYPE STRING,
DSTEL TYPE STRING,
MATNR TYPE STRING,
EKNAM TYPE STRING,
EKTEL TYPE STRING,
IDNLF TYPE STRING,
MAKTX TYPE STRING,
VERKF TYPE STRING,
TELF1 TYPE STRING,
OUT_ABEFZ TYPE STRING,
OUT_ABEFZ2 TYPE STRING,
ABFDE TYPE STRING,
ABMDE TYPE STRING,
NFMAT TYPE STRING,
AUSDT TYPE STRING,
LOADCARR TYPE STRING,
TRGQTY TYPE STRING,
BASEUNIT TYPE STRING,
LCTXT TYPE STRING,
OUT_LGRDATE TYPE STRING,
OUT_LWEMG TYPE STRING,
OUT_BACKLOG TYPE STRING,
OUT_IMMEDIATE TYPE STRING,
OUT_ABEFZ3 TYPE STRING,
OUT_ABFTZ TYPE STRING,
LAST_SN_NO TYPE STRING,
ABDAT TYPE STRING,
ADDRESS_NO TYPE STRING,
H_TEXTKEY TYPE STRING,
H_TEXTOBJ TYPE STRING,
H_TEXTID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_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_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-TERSL sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-ABART sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-LOCNO sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-MAKTL sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-LGBZO sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-RELME sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-ABRUF sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-EBELN sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-EBELP sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-H_ERDAT sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-H_ERDAT_OLD sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-OUT_VALFR sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-ABRUF_OLD sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-ADRNUMBER sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-DSNAM sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-DSTEL sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-MATNR sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-EKNAM sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-EKTEL sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-IDNLF sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-MAKTX sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-VERKF sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-TELF1 sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-OUT_ABEFZ sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-OUT_ABEFZ2 sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-ABFDE sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-ABMDE sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-NFMAT sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-AUSDT sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-LOADCARR sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-TRGQTY sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-BASEUNIT sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-LCTXT sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-OUT_LGRDATE sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-OUT_LWEMG sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-OUT_BACKLOG sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-OUT_IMMEDIATE sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-OUT_ABEFZ3 sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-OUT_ABFTZ sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-LAST_SN_NO sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-ABDAT sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-ADDRESS_NO sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-H_TEXTKEY sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-H_TEXTOBJ sy-vline 
WA_/SAPAPO/PUR_SCH_SA_DETAILS_PDF_STR-H_TEXTID sy-vline      INTO ld_text SEPARATED BY SPACE.

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