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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/SPP_LOCPROD_CNA
*  INTO TABLE @DATA(IT_/SAPAPO/SPP_LOCPROD_CNA2).
*--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/SPP_LOCPROD_CNA INDEX 1 INTO DATA(WA_/SAPAPO/SPP_LOCPROD_CNA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/SPP_LOCPROD_CNA>-INDX = 1.
</SAPAPO/SPP_LOCPROD_CNA>-CHGTST = 1.
</SAPAPO/SPP_LOCPROD_CNA>-OBJCHG = 1.
</SAPAPO/SPP_LOCPROD_CNA>-IMG = 1.
</SAPAPO/SPP_LOCPROD_CNA>-MATID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/SPP_LOCPROD_CNA-LOCID, sy-vline,
  WA_/SAPAPO/SPP_LOCPROD_CNA-SIMID, sy-vline,
  WA_/SAPAPO/SPP_LOCPROD_CNA-PROC_COST, sy-vline,
  WA_/SAPAPO/SPP_LOCPROD_CNA-ADDSFTSTK, sy-vline,
  WA_/SAPAPO/SPP_LOCPROD_CNA-SCOST_PRCNT, sy-vline,
  WA_/SAPAPO/SPP_LOCPROD_CNA-THRUPUT_TIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/SPP_LOCPROD_CNA 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/SPP_LOCPROD_CNA 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/SPP_LOCPROD_CNA INTO WA_/SAPAPO/SPP_LOCPROD_CNA.


*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 VRSIO, internal->external for field SIMID
CALL FUNCTION 'CONVERSION_EXIT_VRSIO_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SPP_LOCPROD_CNA-SIMID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SPP_LOCPROD_CNA-SIMID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRG, internal->external for field THRUPUT_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SPP_LOCPROD_CNA-THRUPUT_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SPP_LOCPROD_CNA-THRUPUT_TIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRG, internal->external for field REVIEWTIME
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SPP_LOCPROD_CNA-REVIEWTIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SPP_LOCPROD_CNA-REVIEWTIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field REPLCH_DATE
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SPP_LOCPROD_CNA-REPLCH_DATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SPP_LOCPROD_CNA-REPLCH_DATE.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit TSTRG, internal->external for field GRPRT
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SPP_LOCPROD_CNA-GRPRT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SPP_LOCPROD_CNA-GRPRT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRG, internal->external for field GIPRT
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SPP_LOCPROD_CNA-GIPRT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SPP_LOCPROD_CNA-GIPRT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRG, internal->external for field PLANRUN
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SPP_LOCPROD_CNA-PLANRUN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SPP_LOCPROD_CNA-PLANRUN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRG, internal->external for field REVIEWTIME_DL
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SPP_LOCPROD_CNA-REVIEWTIME_DL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SPP_LOCPROD_CNA-REVIEWTIME_DL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRG, internal->external for field PLANRUN_DL
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SPP_LOCPROD_CNA-PLANRUN_DL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SPP_LOCPROD_CNA-PLANRUN_DL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field INITSTDATE
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SPP_LOCPROD_CNA-INITSTDATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SPP_LOCPROD_CNA-INITSTDATE.
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/SPP_LOCPROD_CNA_STR, 
INDX TYPE STRING,
CHGTST TYPE STRING,
OBJCHG TYPE STRING,
IMG TYPE STRING,
MATID TYPE STRING,
LOCID TYPE STRING,
SIMID TYPE STRING,
PROC_COST TYPE STRING,
ADDSFTSTK TYPE STRING,
SCOST_PRCNT TYPE STRING,
THRUPUT_TIME TYPE STRING,
EOQCAL_MTHD TYPE STRING,
EOQPOD_FIX TYPE STRING,
MAXEOQ_POD TYPE STRING,
MAXPARENT_POD TYPE STRING,
MAXREORD_POD TYPE STRING,
MINEOQ_POD TYPE STRING,
MINORD_QTY TYPE STRING,
ORDCOSTPULL TYPE STRING,
ORDCOSTPUSH TYPE STRING,
REVIEWTIME TYPE STRING,
REPLINDI TYPE STRING,
REPLCH_DATE TYPE STRING,
REPLDUR_STK TYPE STRING,
REPLDUR_DSTK TYPE STRING,
DEPL_INDI TYPE STRING,
POLICY_LOCK TYPE STRING,
TPOP TYPE STRING,
EOQCAL_MTHD_V TYPE STRING,
MINORD_QTY_V TYPE STRING,
REPLDUR_STK_V TYPE STRING,
REPLDUR_DSTK_V TYPE STRING,
DEPL_INDI_V TYPE STRING,
PLOCK_REASON TYPE STRING,
MEINS TYPE STRING,
DRP_PLAN_MODE TYPE STRING,
GRPRT TYPE STRING,
GIPRT TYPE STRING,
PLANRUN TYPE STRING,
REVIEWTIME_DL TYPE STRING,
PLANRUN_DL TYPE STRING,
INITSTDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/SPP_LOCPROD_CNA_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/SPP_LOCPROD_CNA_STR-INDX sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-CHGTST sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-OBJCHG sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-IMG sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-MATID sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-LOCID sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-SIMID sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-PROC_COST sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-ADDSFTSTK sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-SCOST_PRCNT sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-THRUPUT_TIME sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-EOQCAL_MTHD sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-EOQPOD_FIX sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-MAXEOQ_POD sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-MAXPARENT_POD sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-MAXREORD_POD sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-MINEOQ_POD sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-MINORD_QTY sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-ORDCOSTPULL sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-ORDCOSTPUSH sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-REVIEWTIME sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-REPLINDI sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-REPLCH_DATE sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-REPLDUR_STK sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-REPLDUR_DSTK sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-DEPL_INDI sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-POLICY_LOCK sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-TPOP sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-EOQCAL_MTHD_V sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-MINORD_QTY_V sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-REPLDUR_STK_V sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-REPLDUR_DSTK_V sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-DEPL_INDI_V sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-PLOCK_REASON sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-MEINS sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-DRP_PLAN_MODE sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-GRPRT sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-GIPRT sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-PLANRUN sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-REVIEWTIME_DL sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-PLANRUN_DL sy-vline 
WA_/SAPAPO/SPP_LOCPROD_CNA_STR-INITSTDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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