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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/PROD_IO
*  INTO TABLE @DATA(IT_/SAPAPO/PROD_IO2).
*--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/PROD_IO INDEX 1 INTO DATA(WA_/SAPAPO/PROD_IO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/PROD_IO>-MATID = 1.
</SAPAPO/PROD_IO>-MAKTX = 1.
</SAPAPO/PROD_IO>-PL_USAGE = 1.
</SAPAPO/PROD_IO>-PEGID = 1.
</SAPAPO/PROD_IO>-DATEF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/PROD_IO-DATET, sy-vline,
  WA_/SAPAPO/PROD_IO-TIMEF, sy-vline,
  WA_/SAPAPO/PROD_IO-TIMET, sy-vline,
  WA_/SAPAPO/PROD_IO-MINLS, sy-vline,
  WA_/SAPAPO/PROD_IO-MAXLS, sy-vline,
  WA_/SAPAPO/PROD_IO-COST1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/PROD_IO 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/PROD_IO 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/PROD_IO INTO WA_/SAPAPO/PROD_IO.


*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 MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PROD_IO-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PROD_IO-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field MAX_SHORT_BREAK
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PROD_IO-MAX_SHORT_BREAK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PROD_IO-MAX_SHORT_BREAK.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PROD_IO-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PROD_IO-LANGU.
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/PROD_IO_STR, 
MATID TYPE STRING,
MAKTX TYPE STRING,
PL_USAGE TYPE STRING,
PEGID TYPE STRING,
DATEF TYPE STRING,
DATET TYPE STRING,
TIMEF TYPE STRING,
TIMET TYPE STRING,
MINLS TYPE STRING,
MAXLS TYPE STRING,
COST1 TYPE STRING,
COST2 TYPE STRING,
COST_FIX TYPE STRING,
COST_VAR TYPE STRING,
LOCID TYPE STRING,
LOCTXT TYPE STRING,
LOCTXT2 TYPE STRING,
SL_LOCATION TYPE STRING,
MEINS TYPE STRING,
VORNR TYPE STRING,
PLANID TYPE STRING,
SPLIT TYPE STRING,
SCRAP TYPE STRING,
SCRAP_PROZ TYPE STRING,
VERID_TEXT TYPE STRING,
ACTI_TEXT TYPE STRING,
AMATID TYPE STRING,
IOIND TYPE STRING,
PAR1 TYPE STRING,
PAR2 TYPE STRING,
MATCO TYPE STRING,
MODUS TYPE STRING,
MODEID TYPE STRING,
MODE_PRIO TYPE STRING,
PROD_IN_SHIFT TYPE STRING,
MAX_SHORT_BREAK TYPE STRING,
RESID TYPE STRING,
NAME TYPE STRING,
RESNAME TYPE STRING,
RESTYPE TYPE STRING,
CAP1 TYPE STRING,
CAP2 TYPE STRING,
UNIT TYPE STRING,
RESUNIT TYPE STRING,
MODUNIT TYPE STRING,
DUR1 TYPE STRING,
DUR2 TYPE STRING,
DUR3 TYPE STRING,
ACTTYPE TYPE STRING,
ACTTYPETEXT TYPE STRING,
POSNR TYPE STRING,
PENAL TYPE STRING,
ALPST TYPE STRING,
ALPRF TYPE STRING,
UPROB TYPE STRING,
STORELOC TYPE STRING,
LOGCOMP TYPE STRING,
SELKZ TYPE STRING,
NOACT TYPE STRING,
PREDID TYPE STRING,
SUCCID TYPE STRING,
MINSHIFT TYPE STRING,
MAXSHIFT TYPE STRING,
FRNF TYPE STRING,
SUCC TYPE STRING,
PRED TYPE STRING,
ACTID TYPE STRING,
MATNRC TYPE STRING,
MATIDC TYPE STRING,
MAKTXC TYPE STRING,
DATEFC TYPE STRING,
TIMEFC TYPE STRING,
DATETC TYPE STRING,
TIMETC TYPE STRING,
LOCNOC TYPE STRING,
CRTYPE TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
BERID TYPE STRING,
LIFNR TYPE STRING,
FMIN TYPE STRING,
FMAX TYPE STRING,
MATFLOW TYPE STRING,
MULTMAT TYPE STRING,
LANGU TYPE STRING,
MAIN_RES TYPE STRING,
MAIN_LOC TYPE STRING,
PLANNR TYPE STRING,
STATE TYPE STRING,
PLNTXT TYPE STRING,
PPMID TYPE STRING,
PPMNR TYPE STRING,
STATUS TYPE STRING,
SETUP TYPE STRING,
CALE TYPE STRING,
LOCNO TYPE STRING,
SETUP_KEY TYPE STRING,
SETUP_LOC TYPE STRING,
ACTNR TYPE STRING,
PPMTXT TYPE STRING,
C_PLANNR TYPE STRING,
ACTTXT TYPE STRING,
TIPP TYPE STRING,
BREAK_ALLOWED TYPE STRING,
MULTI_RES TYPE STRING,
SLOT_START_GRID TYPE STRING,
MODE_REL_TYPE TYPE STRING,
CONSTR_SUBTYPE TYPE STRING,
COVER TYPE STRING,
REL_PLANNR TYPE STRING,
COSEX TYPE STRING,
COSID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/PROD_IO_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/PROD_IO_STR-MATID sy-vline 
WA_/SAPAPO/PROD_IO_STR-MAKTX sy-vline 
WA_/SAPAPO/PROD_IO_STR-PL_USAGE sy-vline 
WA_/SAPAPO/PROD_IO_STR-PEGID sy-vline 
WA_/SAPAPO/PROD_IO_STR-DATEF sy-vline 
WA_/SAPAPO/PROD_IO_STR-DATET sy-vline 
WA_/SAPAPO/PROD_IO_STR-TIMEF sy-vline 
WA_/SAPAPO/PROD_IO_STR-TIMET sy-vline 
WA_/SAPAPO/PROD_IO_STR-MINLS sy-vline 
WA_/SAPAPO/PROD_IO_STR-MAXLS sy-vline 
WA_/SAPAPO/PROD_IO_STR-COST1 sy-vline 
WA_/SAPAPO/PROD_IO_STR-COST2 sy-vline 
WA_/SAPAPO/PROD_IO_STR-COST_FIX sy-vline 
WA_/SAPAPO/PROD_IO_STR-COST_VAR sy-vline 
WA_/SAPAPO/PROD_IO_STR-LOCID sy-vline 
WA_/SAPAPO/PROD_IO_STR-LOCTXT sy-vline 
WA_/SAPAPO/PROD_IO_STR-LOCTXT2 sy-vline 
WA_/SAPAPO/PROD_IO_STR-SL_LOCATION sy-vline 
WA_/SAPAPO/PROD_IO_STR-MEINS sy-vline 
WA_/SAPAPO/PROD_IO_STR-VORNR sy-vline 
WA_/SAPAPO/PROD_IO_STR-PLANID sy-vline 
WA_/SAPAPO/PROD_IO_STR-SPLIT sy-vline 
WA_/SAPAPO/PROD_IO_STR-SCRAP sy-vline 
WA_/SAPAPO/PROD_IO_STR-SCRAP_PROZ sy-vline 
WA_/SAPAPO/PROD_IO_STR-VERID_TEXT sy-vline 
WA_/SAPAPO/PROD_IO_STR-ACTI_TEXT sy-vline 
WA_/SAPAPO/PROD_IO_STR-AMATID sy-vline 
WA_/SAPAPO/PROD_IO_STR-IOIND sy-vline 
WA_/SAPAPO/PROD_IO_STR-PAR1 sy-vline 
WA_/SAPAPO/PROD_IO_STR-PAR2 sy-vline 
WA_/SAPAPO/PROD_IO_STR-MATCO sy-vline 
WA_/SAPAPO/PROD_IO_STR-MODUS sy-vline 
WA_/SAPAPO/PROD_IO_STR-MODEID sy-vline 
WA_/SAPAPO/PROD_IO_STR-MODE_PRIO sy-vline 
WA_/SAPAPO/PROD_IO_STR-PROD_IN_SHIFT sy-vline 
WA_/SAPAPO/PROD_IO_STR-MAX_SHORT_BREAK sy-vline 
WA_/SAPAPO/PROD_IO_STR-RESID sy-vline 
WA_/SAPAPO/PROD_IO_STR-NAME sy-vline 
WA_/SAPAPO/PROD_IO_STR-RESNAME sy-vline 
WA_/SAPAPO/PROD_IO_STR-RESTYPE sy-vline 
WA_/SAPAPO/PROD_IO_STR-CAP1 sy-vline 
WA_/SAPAPO/PROD_IO_STR-CAP2 sy-vline 
WA_/SAPAPO/PROD_IO_STR-UNIT sy-vline 
WA_/SAPAPO/PROD_IO_STR-RESUNIT sy-vline 
WA_/SAPAPO/PROD_IO_STR-MODUNIT sy-vline 
WA_/SAPAPO/PROD_IO_STR-DUR1 sy-vline 
WA_/SAPAPO/PROD_IO_STR-DUR2 sy-vline 
WA_/SAPAPO/PROD_IO_STR-DUR3 sy-vline 
WA_/SAPAPO/PROD_IO_STR-ACTTYPE sy-vline 
WA_/SAPAPO/PROD_IO_STR-ACTTYPETEXT sy-vline 
WA_/SAPAPO/PROD_IO_STR-POSNR sy-vline 
WA_/SAPAPO/PROD_IO_STR-PENAL sy-vline 
WA_/SAPAPO/PROD_IO_STR-ALPST sy-vline 
WA_/SAPAPO/PROD_IO_STR-ALPRF sy-vline 
WA_/SAPAPO/PROD_IO_STR-UPROB sy-vline 
WA_/SAPAPO/PROD_IO_STR-STORELOC sy-vline 
WA_/SAPAPO/PROD_IO_STR-LOGCOMP sy-vline 
WA_/SAPAPO/PROD_IO_STR-SELKZ sy-vline 
WA_/SAPAPO/PROD_IO_STR-NOACT sy-vline 
WA_/SAPAPO/PROD_IO_STR-PREDID sy-vline 
WA_/SAPAPO/PROD_IO_STR-SUCCID sy-vline 
WA_/SAPAPO/PROD_IO_STR-MINSHIFT sy-vline 
WA_/SAPAPO/PROD_IO_STR-MAXSHIFT sy-vline 
WA_/SAPAPO/PROD_IO_STR-FRNF sy-vline 
WA_/SAPAPO/PROD_IO_STR-SUCC sy-vline 
WA_/SAPAPO/PROD_IO_STR-PRED sy-vline 
WA_/SAPAPO/PROD_IO_STR-ACTID sy-vline 
WA_/SAPAPO/PROD_IO_STR-MATNRC sy-vline 
WA_/SAPAPO/PROD_IO_STR-MATIDC sy-vline 
WA_/SAPAPO/PROD_IO_STR-MAKTXC sy-vline 
WA_/SAPAPO/PROD_IO_STR-DATEFC sy-vline 
WA_/SAPAPO/PROD_IO_STR-TIMEFC sy-vline 
WA_/SAPAPO/PROD_IO_STR-DATETC sy-vline 
WA_/SAPAPO/PROD_IO_STR-TIMETC sy-vline 
WA_/SAPAPO/PROD_IO_STR-LOCNOC sy-vline 
WA_/SAPAPO/PROD_IO_STR-CRTYPE sy-vline 
WA_/SAPAPO/PROD_IO_STR-MATNR sy-vline 
WA_/SAPAPO/PROD_IO_STR-WERKS sy-vline 
WA_/SAPAPO/PROD_IO_STR-BERID sy-vline 
WA_/SAPAPO/PROD_IO_STR-LIFNR sy-vline 
WA_/SAPAPO/PROD_IO_STR-FMIN sy-vline 
WA_/SAPAPO/PROD_IO_STR-FMAX sy-vline 
WA_/SAPAPO/PROD_IO_STR-MATFLOW sy-vline 
WA_/SAPAPO/PROD_IO_STR-MULTMAT sy-vline 
WA_/SAPAPO/PROD_IO_STR-LANGU sy-vline 
WA_/SAPAPO/PROD_IO_STR-MAIN_RES sy-vline 
WA_/SAPAPO/PROD_IO_STR-MAIN_LOC sy-vline 
WA_/SAPAPO/PROD_IO_STR-PLANNR sy-vline 
WA_/SAPAPO/PROD_IO_STR-STATE sy-vline 
WA_/SAPAPO/PROD_IO_STR-PLNTXT sy-vline 
WA_/SAPAPO/PROD_IO_STR-PPMID sy-vline 
WA_/SAPAPO/PROD_IO_STR-PPMNR sy-vline 
WA_/SAPAPO/PROD_IO_STR-STATUS sy-vline 
WA_/SAPAPO/PROD_IO_STR-SETUP sy-vline 
WA_/SAPAPO/PROD_IO_STR-CALE sy-vline 
WA_/SAPAPO/PROD_IO_STR-LOCNO sy-vline 
WA_/SAPAPO/PROD_IO_STR-SETUP_KEY sy-vline 
WA_/SAPAPO/PROD_IO_STR-SETUP_LOC sy-vline 
WA_/SAPAPO/PROD_IO_STR-ACTNR sy-vline 
WA_/SAPAPO/PROD_IO_STR-PPMTXT sy-vline 
WA_/SAPAPO/PROD_IO_STR-C_PLANNR sy-vline 
WA_/SAPAPO/PROD_IO_STR-ACTTXT sy-vline 
WA_/SAPAPO/PROD_IO_STR-TIPP sy-vline 
WA_/SAPAPO/PROD_IO_STR-BREAK_ALLOWED sy-vline 
WA_/SAPAPO/PROD_IO_STR-MULTI_RES sy-vline 
WA_/SAPAPO/PROD_IO_STR-SLOT_START_GRID sy-vline 
WA_/SAPAPO/PROD_IO_STR-MODE_REL_TYPE sy-vline 
WA_/SAPAPO/PROD_IO_STR-CONSTR_SUBTYPE sy-vline 
WA_/SAPAPO/PROD_IO_STR-COVER sy-vline 
WA_/SAPAPO/PROD_IO_STR-REL_PLANNR sy-vline 
WA_/SAPAPO/PROD_IO_STR-COSEX sy-vline 
WA_/SAPAPO/PROD_IO_STR-COSID sy-vline      INTO ld_text SEPARATED BY SPACE.

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