ABAP Select data from SAP table PPH_MAT_PLAN_FILE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPH_MAT_PLAN_FILE
*  INTO TABLE @DATA(IT_PPH_MAT_PLAN_FILE2).
*--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_PPH_MAT_PLAN_FILE INDEX 1 INTO DATA(WA_PPH_MAT_PLAN_FILE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPH_MAT_PLAN_FILE>-MATNR = 1.
<PPH_MAT_PLAN_FILE>-BERID = 1.
<PPH_MAT_PLAN_FILE>-WERKS = 1.
<PPH_MAT_PLAN_FILE>-GSAEN = 1.
<PPH_MAT_PLAN_FILE>-AKKEN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPH_MAT_PLAN_FILE-DISST, sy-vline,
  WA_PPH_MAT_PLAN_FILE-SOBSL, sy-vline,
  WA_PPH_MAT_PLAN_FILE-DISPO, sy-vline,
  WA_PPH_MAT_PLAN_FILE-BESKZ, sy-vline,
  WA_PPH_MAT_PLAN_FILE-WRK02, sy-vline,
  WA_PPH_MAT_PLAN_FILE-DISVF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPH_MAT_PLAN_FILE 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_PPH_MAT_PLAN_FILE 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_PPH_MAT_PLAN_FILE INTO WA_PPH_MAT_PLAN_FILE.


*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 MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PPH_MAT_PLAN_FILE-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPH_MAT_PLAN_FILE-MATNR.
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_PPH_MAT_PLAN_FILE_STR, 
MATNR TYPE STRING,
BERID TYPE STRING,
WERKS TYPE STRING,
GSAEN TYPE STRING,
AKKEN TYPE STRING,
DISST TYPE STRING,
SOBSL TYPE STRING,
DISPO TYPE STRING,
BESKZ TYPE STRING,
WRK02 TYPE STRING,
DISVF TYPE STRING,
GROUP_ID TYPE STRING,
MRP_KIND TYPE STRING,
KZKUP TYPE STRING,
NUM_MDPS TYPE STRING,
NUM_RTO_HEADER TYPE STRING,
NUM_RTO_ITEM TYPE STRING,
NUM_BERID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPH_MAT_PLAN_FILE_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_PPH_MAT_PLAN_FILE_STR-MATNR sy-vline 
WA_PPH_MAT_PLAN_FILE_STR-BERID sy-vline 
WA_PPH_MAT_PLAN_FILE_STR-WERKS sy-vline 
WA_PPH_MAT_PLAN_FILE_STR-GSAEN sy-vline 
WA_PPH_MAT_PLAN_FILE_STR-AKKEN sy-vline 
WA_PPH_MAT_PLAN_FILE_STR-DISST sy-vline 
WA_PPH_MAT_PLAN_FILE_STR-SOBSL sy-vline 
WA_PPH_MAT_PLAN_FILE_STR-DISPO sy-vline 
WA_PPH_MAT_PLAN_FILE_STR-BESKZ sy-vline 
WA_PPH_MAT_PLAN_FILE_STR-WRK02 sy-vline 
WA_PPH_MAT_PLAN_FILE_STR-DISVF sy-vline 
WA_PPH_MAT_PLAN_FILE_STR-GROUP_ID sy-vline 
WA_PPH_MAT_PLAN_FILE_STR-MRP_KIND sy-vline 
WA_PPH_MAT_PLAN_FILE_STR-KZKUP sy-vline 
WA_PPH_MAT_PLAN_FILE_STR-NUM_MDPS sy-vline 
WA_PPH_MAT_PLAN_FILE_STR-NUM_RTO_HEADER sy-vline 
WA_PPH_MAT_PLAN_FILE_STR-NUM_RTO_ITEM sy-vline 
WA_PPH_MAT_PLAN_FILE_STR-NUM_BERID sy-vline      INTO ld_text SEPARATED BY SPACE.

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