ABAP Select data from SAP table /PRA/SB_NIMB_T into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PRA/SB_NIMB_T 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 /PRA/SB_NIMB_T. 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 /PRA/SB_NIMB_T 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_/PRA/SB_NIMB_T TYPE STANDARD TABLE OF /PRA/SB_NIMB_T,
      WA_/PRA/SB_NIMB_T TYPE /PRA/SB_NIMB_T,
      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: </PRA/SB_NIMB_T> TYPE /PRA/SB_NIMB_T.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PRA/SB_NIMB_T
*  INTO TABLE @DATA(IT_/PRA/SB_NIMB_T2).
*--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_/PRA/SB_NIMB_T INDEX 1 INTO DATA(WA_/PRA/SB_NIMB_T2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PRA/SB_NIMB_T>-MANDT = 1.
</PRA/SB_NIMB_T>-DN_NO = 1.
</PRA/SB_NIMB_T>-MATNR = 1.
</PRA/SB_NIMB_T>-SA_DT = 1.
</PRA/SB_NIMB_T>-FREQ_CD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PRA/SB_NIMB_T-MK_REP_NO, sy-vline,
  WA_/PRA/SB_NIMB_T-MK_REP_ISQ_NO, sy-vline,
  WA_/PRA/SB_NIMB_T-QY_U, sy-vline,
  WA_/PRA/SB_NIMB_T-ORIG_BEG_IMB_QY, sy-vline,
  WA_/PRA/SB_NIMB_T-NEW_BEG_IMB_QY, sy-vline,
  WA_/PRA/SB_NIMB_T-UNAPPL_PPA_QY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PRA/SB_NIMB_T 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_/PRA/SB_NIMB_T 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_/PRA/SB_NIMB_T INTO WA_/PRA/SB_NIMB_T.


*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 DN_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PRA/SB_NIMB_T-DN_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PRA/SB_NIMB_T-DN_NO.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field MK_REP_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PRA/SB_NIMB_T-MK_REP_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PRA/SB_NIMB_T-MK_REP_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MK_REP_ISQ_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PRA/SB_NIMB_T-MK_REP_ISQ_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PRA/SB_NIMB_T-MK_REP_ISQ_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field QY_U
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/PRA/SB_NIMB_T-QY_U
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PRA/SB_NIMB_T-QY_U.
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_/PRA/SB_NIMB_T_STR, 
MANDT TYPE STRING,
DN_NO TYPE STRING,
MATNR TYPE STRING,
SA_DT TYPE STRING,
FREQ_CD TYPE STRING,
MK_REP_NO TYPE STRING,
MK_REP_ISQ_NO TYPE STRING,
QY_U TYPE STRING,
ORIG_BEG_IMB_QY TYPE STRING,
NEW_BEG_IMB_QY TYPE STRING,
UNAPPL_PPA_QY TYPE STRING,
APPL_PPA_QY TYPE STRING,
UNAPPL_MAN_QY TYPE STRING,
APPL_MAN_QY TYPE STRING,
MK_REP_IMB_QY TYPE STRING,
IMB_MKUP_QY TYPE STRING,
PHASE_5_IMB_QY TYPE STRING,
ORIG_END_IMB_QY TYPE STRING,
NEW_END_IMB_QY TYPE STRING,
ADJ_ENTL_QY TYPE STRING,
SALE_QY TYPE STRING,
PPA_IMB_ADJ_QY TYPE STRING,
OIU_CRUSER TYPE STRING,
OIU_TIMESTAMP TYPE STRING,
MREP_INV_FLAG TYPE STRING,
NIMB_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PRA/SB_NIMB_T_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_/PRA/SB_NIMB_T_STR-MANDT sy-vline 
WA_/PRA/SB_NIMB_T_STR-DN_NO sy-vline 
WA_/PRA/SB_NIMB_T_STR-MATNR sy-vline 
WA_/PRA/SB_NIMB_T_STR-SA_DT sy-vline 
WA_/PRA/SB_NIMB_T_STR-FREQ_CD sy-vline 
WA_/PRA/SB_NIMB_T_STR-MK_REP_NO sy-vline 
WA_/PRA/SB_NIMB_T_STR-MK_REP_ISQ_NO sy-vline 
WA_/PRA/SB_NIMB_T_STR-QY_U sy-vline 
WA_/PRA/SB_NIMB_T_STR-ORIG_BEG_IMB_QY sy-vline 
WA_/PRA/SB_NIMB_T_STR-NEW_BEG_IMB_QY sy-vline 
WA_/PRA/SB_NIMB_T_STR-UNAPPL_PPA_QY sy-vline 
WA_/PRA/SB_NIMB_T_STR-APPL_PPA_QY sy-vline 
WA_/PRA/SB_NIMB_T_STR-UNAPPL_MAN_QY sy-vline 
WA_/PRA/SB_NIMB_T_STR-APPL_MAN_QY sy-vline 
WA_/PRA/SB_NIMB_T_STR-MK_REP_IMB_QY sy-vline 
WA_/PRA/SB_NIMB_T_STR-IMB_MKUP_QY sy-vline 
WA_/PRA/SB_NIMB_T_STR-PHASE_5_IMB_QY sy-vline 
WA_/PRA/SB_NIMB_T_STR-ORIG_END_IMB_QY sy-vline 
WA_/PRA/SB_NIMB_T_STR-NEW_END_IMB_QY sy-vline 
WA_/PRA/SB_NIMB_T_STR-ADJ_ENTL_QY sy-vline 
WA_/PRA/SB_NIMB_T_STR-SALE_QY sy-vline 
WA_/PRA/SB_NIMB_T_STR-PPA_IMB_ADJ_QY sy-vline 
WA_/PRA/SB_NIMB_T_STR-OIU_CRUSER sy-vline 
WA_/PRA/SB_NIMB_T_STR-OIU_TIMESTAMP sy-vline 
WA_/PRA/SB_NIMB_T_STR-MREP_INV_FLAG sy-vline 
WA_/PRA/SB_NIMB_T_STR-NIMB_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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