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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/ODB_INPU
*  INTO TABLE @DATA(IT_/SAPAPO/ODB_INPU2).
*--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/ODB_INPU INDEX 1 INTO DATA(WA_/SAPAPO/ODB_INPU2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/ODB_INPU>-MANDT = 1.
</SAPAPO/ODB_INPU>-ORDNR = 1.
</SAPAPO/ODB_INPU>-RSNUM = 1.
</SAPAPO/ODB_INPU>-RSPOS = 1.
</SAPAPO/ODB_INPU>-GUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/ODB_INPU-METHOD, sy-vline,
  WA_/SAPAPO/ODB_INPU-OPERATION, sy-vline,
  WA_/SAPAPO/ODB_INPU-MATERIAL, sy-vline,
  WA_/SAPAPO/ODB_INPU-PLANT, sy-vline,
  WA_/SAPAPO/ODB_INPU-STORAGELOCATION, sy-vline,
  WA_/SAPAPO/ODB_INPU-REQMT_QUANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/ODB_INPU 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/ODB_INPU 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/ODB_INPU INTO WA_/SAPAPO/ODB_INPU.


*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 MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/ODB_INPU-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/ODB_INPU-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit TSTPS, internal->external for field REQMT_DATE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/ODB_INPU-REQMT_DATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/ODB_INPU-REQMT_DATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/ODB_INPU-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/ODB_INPU-LOGSYS.
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/ODB_INPU_STR, 
MANDT TYPE STRING,
ORDNR TYPE STRING,
RSNUM TYPE STRING,
RSPOS TYPE STRING,
GUID TYPE STRING,
METHOD TYPE STRING,
OPERATION TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
REQMT_QUANT TYPE STRING,
RECEIVED_QUANT TYPE STRING,
CONFIRMED_QUANT TYPE STRING,
UNITOFMEAS TYPE STRING,
UOM_ISO TYPE STRING,
REQMT_DATE TYPE STRING,
BATCH TYPE STRING,
SPEC_STOCK TYPE STRING,
SPEC_STOCK_KEY TYPE STRING,
ATPCAT TYPE STRING,
TRANSPLANT TYPE STRING,
STLTY TYPE STRING,
STLNR TYPE STRING,
STLKN TYPE STRING,
STPOZ TYPE STRING,
STVKN TYPE STRING,
LOGCOMP TYPE STRING,
CUOBJ TYPE STRING,
PARENT_POSNR TYPE STRING,
IGNORE_PEGGING TYPE STRING,
LOGSYS TYPE STRING,
UPDT_STAT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/ODB_INPU_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/ODB_INPU_STR-MANDT sy-vline 
WA_/SAPAPO/ODB_INPU_STR-ORDNR sy-vline 
WA_/SAPAPO/ODB_INPU_STR-RSNUM sy-vline 
WA_/SAPAPO/ODB_INPU_STR-RSPOS sy-vline 
WA_/SAPAPO/ODB_INPU_STR-GUID sy-vline 
WA_/SAPAPO/ODB_INPU_STR-METHOD sy-vline 
WA_/SAPAPO/ODB_INPU_STR-OPERATION sy-vline 
WA_/SAPAPO/ODB_INPU_STR-MATERIAL sy-vline 
WA_/SAPAPO/ODB_INPU_STR-PLANT sy-vline 
WA_/SAPAPO/ODB_INPU_STR-STORAGELOCATION sy-vline 
WA_/SAPAPO/ODB_INPU_STR-REQMT_QUANT sy-vline 
WA_/SAPAPO/ODB_INPU_STR-RECEIVED_QUANT sy-vline 
WA_/SAPAPO/ODB_INPU_STR-CONFIRMED_QUANT sy-vline 
WA_/SAPAPO/ODB_INPU_STR-UNITOFMEAS sy-vline 
WA_/SAPAPO/ODB_INPU_STR-UOM_ISO sy-vline 
WA_/SAPAPO/ODB_INPU_STR-REQMT_DATE sy-vline 
WA_/SAPAPO/ODB_INPU_STR-BATCH sy-vline 
WA_/SAPAPO/ODB_INPU_STR-SPEC_STOCK sy-vline 
WA_/SAPAPO/ODB_INPU_STR-SPEC_STOCK_KEY sy-vline 
WA_/SAPAPO/ODB_INPU_STR-ATPCAT sy-vline 
WA_/SAPAPO/ODB_INPU_STR-TRANSPLANT sy-vline 
WA_/SAPAPO/ODB_INPU_STR-STLTY sy-vline 
WA_/SAPAPO/ODB_INPU_STR-STLNR sy-vline 
WA_/SAPAPO/ODB_INPU_STR-STLKN sy-vline 
WA_/SAPAPO/ODB_INPU_STR-STPOZ sy-vline 
WA_/SAPAPO/ODB_INPU_STR-STVKN sy-vline 
WA_/SAPAPO/ODB_INPU_STR-LOGCOMP sy-vline 
WA_/SAPAPO/ODB_INPU_STR-CUOBJ sy-vline 
WA_/SAPAPO/ODB_INPU_STR-PARENT_POSNR sy-vline 
WA_/SAPAPO/ODB_INPU_STR-IGNORE_PEGGING sy-vline 
WA_/SAPAPO/ODB_INPU_STR-LOGSYS sy-vline 
WA_/SAPAPO/ODB_INPU_STR-UPDT_STAT sy-vline      INTO ld_text SEPARATED BY SPACE.

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