ABAP Select data from SAP table OPS_RQGAAM31_QALT_S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP OPS_RQGAAM31_QALT_S 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 OPS_RQGAAM31_QALT_S. 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 OPS_RQGAAM31_QALT_S 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_OPS_RQGAAM31_QALT_S TYPE STANDARD TABLE OF OPS_RQGAAM31_QALT_S,
      WA_OPS_RQGAAM31_QALT_S TYPE OPS_RQGAAM31_QALT_S,
      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: <OPS_RQGAAM31_QALT_S> TYPE OPS_RQGAAM31_QALT_S.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_OPS_RQGAAM31_QALT_S.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM OPS_RQGAAM31_QALT_S
  INTO TABLE IT_OPS_RQGAAM31_QALT_S.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OPS_RQGAAM31_QALT_S
*  INTO TABLE @DATA(IT_OPS_RQGAAM31_QALT_S2).
*--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_OPS_RQGAAM31_QALT_S INDEX 1 INTO DATA(WA_OPS_RQGAAM31_QALT_S2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_OPS_RQGAAM31_QALT_S ASSIGNING <OPS_RQGAAM31_QALT_S>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OPS_RQGAAM31_QALT_S>-MANDANT = 1.
<OPS_RQGAAM31_QALT_S>-PRUEFLOS = 1.
<OPS_RQGAAM31_QALT_S>-TEILLOS = 1.
<OPS_RQGAAM31_QALT_S>-OBJNR = 1.
<OPS_RQGAAM31_QALT_S>-LS_POSNR = 1.

ENDLOOP.

LOOP AT IT_OPS_RQGAAM31_QALT_S INTO WA_OPS_RQGAAM31_QALT_S.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OPS_RQGAAM31_QALT_S-MATNR, sy-vline,
  WA_OPS_RQGAAM31_QALT_S-CHARG, sy-vline,
  WA_OPS_RQGAAM31_QALT_S-LAGORTCHRG, sy-vline,
  WA_OPS_RQGAAM31_QALT_S-MENGENEINH, sy-vline,
  WA_OPS_RQGAAM31_QALT_S-MENGE, sy-vline,
  WA_OPS_RQGAAM31_QALT_S-MENGEIST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OPS_RQGAAM31_QALT_S 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_OPS_RQGAAM31_QALT_S 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_OPS_RQGAAM31_QALT_S INTO WA_OPS_RQGAAM31_QALT_S.


*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 ALPHA, internal->external for field PRUEFLOS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OPS_RQGAAM31_QALT_S-PRUEFLOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OPS_RQGAAM31_QALT_S-PRUEFLOS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_OPS_RQGAAM31_QALT_S-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OPS_RQGAAM31_QALT_S-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MENGENEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OPS_RQGAAM31_QALT_S-MENGENEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OPS_RQGAAM31_QALT_S-MENGENEINH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field QALT_ALT_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OPS_RQGAAM31_QALT_S-QALT_ALT_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OPS_RQGAAM31_QALT_S-QALT_ALT_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit HUID, internal->external for field HU_DESTINATION
CALL FUNCTION 'CONVERSION_EXIT_HUID_OUTPUT'
  EXPORTING
    input =                      WA_OPS_RQGAAM31_QALT_S-HU_DESTINATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OPS_RQGAAM31_QALT_S-HU_DESTINATION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CWUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OPS_RQGAAM31_QALT_S-CWUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OPS_RQGAAM31_QALT_S-CWUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field SPRACHE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_OPS_RQGAAM31_QALT_S-SPRACHE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OPS_RQGAAM31_QALT_S-SPRACHE.
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_OPS_RQGAAM31_QALT_S_STR, 
MANDANT TYPE STRING,
PRUEFLOS TYPE STRING,
TEILLOS TYPE STRING,
OBJNR TYPE STRING,
LS_POSNR TYPE STRING,
MATNR TYPE STRING,
CHARG TYPE STRING,
LAGORTCHRG TYPE STRING,
MENGENEINH TYPE STRING,
MENGE TYPE STRING,
MENGEIST TYPE STRING,
KTEXTTLOS TYPE STRING,
LTEXTKZ TYPE STRING,
PRUEFER TYPE STRING,
ENSTEHDAT TYPE STRING,
ENSTEHZEIT TYPE STRING,
ERSTELLER TYPE STRING,
ERSTELDAT TYPE STRING,
ERSTELZEIT TYPE STRING,
AENDERER TYPE STRING,
AENDERDAT TYPE STRING,
AENDERZEIT TYPE STRING,
NO_INSPPOINT TYPE STRING,
PARTIAL_LOT_GUID TYPE STRING,
VFDAT TYPE STRING,
QALT_ALT_QUANTITY TYPE STRING,
QALT_ALT_UNIT TYPE STRING,
STOCK_PARENT_GUID TYPE STRING,
STOCK_ITEM_GUID TYPE STRING,
EXCCODE TYPE STRING,
HU_DESTINATION TYPE STRING,
CWQUAN TYPE STRING,
CWUNIT TYPE STRING,
CWEXACT TYPE STRING,
TEXT_TL TYPE STRING,
SPRACHE TYPE STRING,
MKLTEXTKZ TYPE STRING,
VORGLFNR TYPE STRING,
IPSORTKEYV TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OPS_RQGAAM31_QALT_S_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_OPS_RQGAAM31_QALT_S_STR-MANDANT sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-PRUEFLOS sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-TEILLOS sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-OBJNR sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-LS_POSNR sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-MATNR sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-CHARG sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-LAGORTCHRG sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-MENGENEINH sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-MENGE sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-MENGEIST sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-KTEXTTLOS sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-LTEXTKZ sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-PRUEFER sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-ENSTEHDAT sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-ENSTEHZEIT sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-ERSTELLER sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-ERSTELDAT sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-ERSTELZEIT sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-AENDERER sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-AENDERDAT sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-AENDERZEIT sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-NO_INSPPOINT sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-PARTIAL_LOT_GUID sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-VFDAT sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-QALT_ALT_QUANTITY sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-QALT_ALT_UNIT sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-STOCK_PARENT_GUID sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-STOCK_ITEM_GUID sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-EXCCODE sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-HU_DESTINATION sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-CWQUAN sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-CWUNIT sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-CWEXACT sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-TEXT_TL sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-SPRACHE sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-MKLTEXTKZ sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-VORGLFNR sy-vline 
WA_OPS_RQGAAM31_QALT_S_STR-IPSORTKEYV sy-vline      INTO ld_text SEPARATED BY SPACE.

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