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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/CD_PR_CD_LD
*  INTO TABLE @DATA(IT_/SAPAPO/CD_PR_CD_LD2).
*--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/CD_PR_CD_LD INDEX 1 INTO DATA(WA_/SAPAPO/CD_PR_CD_LD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/CD_PR_CD_LD>-MANDT = 1.
</SAPAPO/CD_PR_CD_LD>-MATNR = 1.
</SAPAPO/CD_PR_CD_LD>-LOCNO = 1.
</SAPAPO/CD_PR_CD_LD>-RQMKY = 1.
</SAPAPO/CD_PR_CD_LD>-MATID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/CD_PR_CD_LD-LOCID, sy-vline,
  WA_/SAPAPO/CD_PR_CD_LD-RQMID, sy-vline,
  WA_/SAPAPO/CD_PR_CD_LD-RQMTX, sy-vline,
  WA_/SAPAPO/CD_PR_CD_LD-VRMOD, sy-vline,
  WA_/SAPAPO/CD_PR_CD_LD-VINT1, sy-vline,
  WA_/SAPAPO/CD_PR_CD_LD-VINT2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/CD_PR_CD_LD 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/CD_PR_CD_LD 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/CD_PR_CD_LD INTO WA_/SAPAPO/CD_PR_CD_LD.


*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_/SAPAPO/CD_PR_CD_LD-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CD_PR_CD_LD-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit TSTRN, internal->external for field PEG_LOT_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CD_PR_CD_LD-PEG_LOT_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CD_PR_CD_LD-PEG_LOT_TIME.
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/CD_PR_CD_LD_STR, 
MANDT TYPE STRING,
MATNR TYPE STRING,
LOCNO TYPE STRING,
RQMKY TYPE STRING,
MATID TYPE STRING,
LOCID TYPE STRING,
RQMID TYPE STRING,
RQMTX TYPE STRING,
VRMOD TYPE STRING,
VINT1 TYPE STRING,
VINT2 TYPE STRING,
STRA1 TYPE STRING,
SBDKZ TYPE STRING,
MISKZ TYPE STRING,
TBID_RPM TYPE STRING,
BDGRP TYPE STRING,
DCHARVAL_PROP TYPE STRING,
TOL_PROF TYPE STRING,
REL_PROF TYPE STRING,
AGGR_FCST_CONS TYPE STRING,
UNETO TYPE STRING,
UEETO TYPE STRING,
GES_MNG_USE TYPE STRING,
GES_BST_USE TYPE STRING,
PEG_PAST_MAX TYPE STRING,
PEG_PAST_ALERT TYPE STRING,
PEG_FUTURE_MAX TYPE STRING,
PEG_FUTURE_ALERT TYPE STRING,
PEG_STRATEGY TYPE STRING,
PEG_WO_ALERT_FST TYPE STRING,
PEG_CONCURRENT TYPE STRING,
PEG_LOT_TIME TYPE STRING,
NOPEG_ST_QUALI TYPE STRING,
NOPEG_ST_UNRESTR TYPE STRING,
PEG_ST_BLOCKED TYPE STRING,
PEG_ST_RESTR TYPE STRING,
PEG_ST_TRANSIT TYPE STRING,
PEG_ST_TR_LOC TYPE STRING,
NOPEG_ST_TR_SLOC TYPE STRING,
PEG_NO_DYN TYPE STRING,
FIXPEG_PROD_SET TYPE STRING,
TOLPRPL TYPE STRING,
TOLPRMI TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/CD_PR_CD_LD_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/CD_PR_CD_LD_STR-MANDT sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-MATNR sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-LOCNO sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-RQMKY sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-MATID sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-LOCID sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-RQMID sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-RQMTX sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-VRMOD sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-VINT1 sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-VINT2 sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-STRA1 sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-SBDKZ sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-MISKZ sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-TBID_RPM sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-BDGRP sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-DCHARVAL_PROP sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-TOL_PROF sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-REL_PROF sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-AGGR_FCST_CONS sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-UNETO sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-UEETO sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-GES_MNG_USE sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-GES_BST_USE sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-PEG_PAST_MAX sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-PEG_PAST_ALERT sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-PEG_FUTURE_MAX sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-PEG_FUTURE_ALERT sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-PEG_STRATEGY sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-PEG_WO_ALERT_FST sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-PEG_CONCURRENT sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-PEG_LOT_TIME sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-NOPEG_ST_QUALI sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-NOPEG_ST_UNRESTR sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-PEG_ST_BLOCKED sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-PEG_ST_RESTR sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-PEG_ST_TRANSIT sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-PEG_ST_TR_LOC sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-NOPEG_ST_TR_SLOC sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-PEG_NO_DYN sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-FIXPEG_PROD_SET sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-TOLPRPL sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-TOLPRMI sy-vline 
WA_/SAPAPO/CD_PR_CD_LD_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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