ABAP Select data from SAP table PPF_TST_APPLPARM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPF_TST_APPLPARM
*  INTO TABLE @DATA(IT_PPF_TST_APPLPARM2).
*--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_PPF_TST_APPLPARM INDEX 1 INTO DATA(WA_PPF_TST_APPLPARM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPF_TST_APPLPARM>-MANDT = 1.
<PPF_TST_APPLPARM>-PROGN = 1.
<PPF_TST_APPLPARM>-PROGDATE = 1.
<PPF_TST_APPLPARM>-PROGNO = 1.
<PPF_TST_APPLPARM>-DUEDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPF_TST_APPLPARM-PACKDEFCATG, sy-vline,
  WA_PPF_TST_APPLPARM-CNT_PACKAGES, sy-vline,
  WA_PPF_TST_APPLPARM-CNT_OBJ_PER_PACK, sy-vline,
  WA_PPF_TST_APPLPARM-FLG_CHANGED, sy-vline,
  WA_PPF_TST_APPLPARM-FLG_USE_EMSG, sy-vline,
  WA_PPF_TST_APPLPARM-EVE_0130_ERR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPF_TST_APPLPARM 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_PPF_TST_APPLPARM 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_PPF_TST_APPLPARM INTO WA_PPF_TST_APPLPARM.


*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.
ENDFORM. 

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

TYPES: BEGIN OF T_PPF_TST_APPLPARM_STR, 
MANDT TYPE STRING,
PROGN TYPE STRING,
PROGDATE TYPE STRING,
PROGNO TYPE STRING,
DUEDATE TYPE STRING,
PACKDEFCATG TYPE STRING,
CNT_PACKAGES TYPE STRING,
CNT_OBJ_PER_PACK TYPE STRING,
FLG_CHANGED TYPE STRING,
FLG_USE_EMSG TYPE STRING,
EVE_0130_ERR TYPE STRING,
EVE_0300_ERR TYPE STRING,
EVE_0150_EXC TYPE STRING,
EVE_0205_EXC TYPE STRING,
EVE_1100_EXC TYPE STRING,
EVE_1350_EXC TYPE STRING,
EVE_0100_CHNG TYPE STRING,
EVE_0205_INVALID TYPE STRING,
EVE_1300_TRY_MAX TYPE STRING,
FLG_HIST_0100 TYPE STRING,
FLG_HIST_0110 TYPE STRING,
FLG_HIST_0120 TYPE STRING,
FLG_HIST_0130 TYPE STRING,
FLG_HIST_0140 TYPE STRING,
FLG_HIST_0150 TYPE STRING,
FLG_HIST_0205 TYPE STRING,
FLG_HIST_0206 TYPE STRING,
FLG_HIST_0207 TYPE STRING,
FLG_HIST_0300 TYPE STRING,
FLG_HIST_1000 TYPE STRING,
FLG_HIST_1100 TYPE STRING,
FLG_HIST_1200 TYPE STRING,
FLG_HIST_1260 TYPE STRING,
FLG_HIST_1270 TYPE STRING,
FLG_HIST_1300 TYPE STRING,
FLG_HIST_1350 TYPE STRING,
FLG_HIST_1400 TYPE STRING,
FLG_HIST_1410 TYPE STRING,
WAIT_1300 TYPE STRING,
WAIT_0205 TYPE STRING,
PACKNR_DUMP_0205 TYPE STRING,
PACKNR_DUMP_1300 TYPE STRING,
FLG_DUMP_0160 TYPE STRING,
FLG_NO_START TYPE STRING,
STEPNO_NO_START TYPE STRING,
RETRY_NO_START TYPE STRING,
FLG_UPDATE_TASK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPF_TST_APPLPARM_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_PPF_TST_APPLPARM_STR-MANDT sy-vline 
WA_PPF_TST_APPLPARM_STR-PROGN sy-vline 
WA_PPF_TST_APPLPARM_STR-PROGDATE sy-vline 
WA_PPF_TST_APPLPARM_STR-PROGNO sy-vline 
WA_PPF_TST_APPLPARM_STR-DUEDATE sy-vline 
WA_PPF_TST_APPLPARM_STR-PACKDEFCATG sy-vline 
WA_PPF_TST_APPLPARM_STR-CNT_PACKAGES sy-vline 
WA_PPF_TST_APPLPARM_STR-CNT_OBJ_PER_PACK sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_CHANGED sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_USE_EMSG sy-vline 
WA_PPF_TST_APPLPARM_STR-EVE_0130_ERR sy-vline 
WA_PPF_TST_APPLPARM_STR-EVE_0300_ERR sy-vline 
WA_PPF_TST_APPLPARM_STR-EVE_0150_EXC sy-vline 
WA_PPF_TST_APPLPARM_STR-EVE_0205_EXC sy-vline 
WA_PPF_TST_APPLPARM_STR-EVE_1100_EXC sy-vline 
WA_PPF_TST_APPLPARM_STR-EVE_1350_EXC sy-vline 
WA_PPF_TST_APPLPARM_STR-EVE_0100_CHNG sy-vline 
WA_PPF_TST_APPLPARM_STR-EVE_0205_INVALID sy-vline 
WA_PPF_TST_APPLPARM_STR-EVE_1300_TRY_MAX sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_0100 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_0110 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_0120 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_0130 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_0140 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_0150 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_0205 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_0206 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_0207 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_0300 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_1000 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_1100 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_1200 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_1260 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_1270 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_1300 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_1350 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_1400 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_HIST_1410 sy-vline 
WA_PPF_TST_APPLPARM_STR-WAIT_1300 sy-vline 
WA_PPF_TST_APPLPARM_STR-WAIT_0205 sy-vline 
WA_PPF_TST_APPLPARM_STR-PACKNR_DUMP_0205 sy-vline 
WA_PPF_TST_APPLPARM_STR-PACKNR_DUMP_1300 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_DUMP_0160 sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_NO_START sy-vline 
WA_PPF_TST_APPLPARM_STR-STEPNO_NO_START sy-vline 
WA_PPF_TST_APPLPARM_STR-RETRY_NO_START sy-vline 
WA_PPF_TST_APPLPARM_STR-FLG_UPDATE_TASK sy-vline      INTO ld_text SEPARATED BY SPACE.

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