ABAP Select data from SAP table JBRSVGAPHEAD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JBRSVGAPHEAD
*  INTO TABLE @DATA(IT_JBRSVGAPHEAD2).
*--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_JBRSVGAPHEAD INDEX 1 INTO DATA(WA_JBRSVGAPHEAD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JBRSVGAPHEAD>-MANDT = 1.
<JBRSVGAPHEAD>-SAVE_ID = 1.
<JBRSVGAPHEAD>-SAVE_TEXT = 1.
<JBRSVGAPHEAD>-RMBID = 1.
<JBRSVGAPHEAD>-SICHTID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JBRSVGAPHEAD-PHID, sy-vline,
  WA_JBRSVGAPHEAD-PKNOTEN, sy-vline,
  WA_JBRSVGAPHEAD-DATUM, sy-vline,
  WA_JBRSVGAPHEAD-AUSWERTUNG, sy-vline,
  WA_JBRSVGAPHEAD-LZB, sy-vline,
  WA_JBRSVGAPHEAD-ANZGW, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JBRSVGAPHEAD 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_JBRSVGAPHEAD 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_JBRSVGAPHEAD INTO WA_JBRSVGAPHEAD.


*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 LZB
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JBRSVGAPHEAD-LZB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JBRSVGAPHEAD-LZB.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field IND_LZB
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JBRSVGAPHEAD-IND_LZB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JBRSVGAPHEAD-IND_LZB.
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_JBRSVGAPHEAD_STR, 
MANDT TYPE STRING,
SAVE_ID TYPE STRING,
SAVE_TEXT TYPE STRING,
RMBID TYPE STRING,
SICHTID TYPE STRING,
PHID TYPE STRING,
PKNOTEN TYPE STRING,
DATUM TYPE STRING,
AUSWERTUNG TYPE STRING,
LZB TYPE STRING,
ANZGW TYPE STRING,
P_DIMREP TYPE STRING,
MTASK TYPE STRING,
GRPNAME TYPE STRING,
MAXTSKS TYPE STRING,
SD_BESTAND TYPE STRING,
DELTA_KNZ TYPE STRING,
AGIO_KNZ TYPE STRING,
NEG_ABL_KNZ TYPE STRING,
TERMINKURS_KNZ TYPE STRING,
SZBMETH TYPE STRING,
SPREADAUSWEIS TYPE STRING,
DETAILPROT TYPE STRING,
PSAVE TYPE STRING,
SZENWAHL TYPE STRING,
SZENA TYPE STRING,
SZVERLAUF TYPE STRING,
BIL_CH_KF_KNZ TYPE STRING,
AMORT_CALC TYPE STRING,
LFDNR TYPE STRING,
CONVERT_TO_EURO TYPE STRING,
SELDAT TYPE STRING,
EINZELWERTFLAG TYPE STRING,
STAT_KNZ TYPE STRING,
OZ_FROM TYPE STRING,
GUV_LZB TYPE STRING,
IND_LZB TYPE STRING,
GAPART TYPE STRING,
CRUSER TYPE STRING,
DCRDAT TYPE STRING,
TCRTIM TYPE STRING,
UPUSER TYPE STRING,
DUPDAT TYPE STRING,
TUPTIM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JBRSVGAPHEAD_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_JBRSVGAPHEAD_STR-MANDT sy-vline 
WA_JBRSVGAPHEAD_STR-SAVE_ID sy-vline 
WA_JBRSVGAPHEAD_STR-SAVE_TEXT sy-vline 
WA_JBRSVGAPHEAD_STR-RMBID sy-vline 
WA_JBRSVGAPHEAD_STR-SICHTID sy-vline 
WA_JBRSVGAPHEAD_STR-PHID sy-vline 
WA_JBRSVGAPHEAD_STR-PKNOTEN sy-vline 
WA_JBRSVGAPHEAD_STR-DATUM sy-vline 
WA_JBRSVGAPHEAD_STR-AUSWERTUNG sy-vline 
WA_JBRSVGAPHEAD_STR-LZB sy-vline 
WA_JBRSVGAPHEAD_STR-ANZGW sy-vline 
WA_JBRSVGAPHEAD_STR-P_DIMREP sy-vline 
WA_JBRSVGAPHEAD_STR-MTASK sy-vline 
WA_JBRSVGAPHEAD_STR-GRPNAME sy-vline 
WA_JBRSVGAPHEAD_STR-MAXTSKS sy-vline 
WA_JBRSVGAPHEAD_STR-SD_BESTAND sy-vline 
WA_JBRSVGAPHEAD_STR-DELTA_KNZ sy-vline 
WA_JBRSVGAPHEAD_STR-AGIO_KNZ sy-vline 
WA_JBRSVGAPHEAD_STR-NEG_ABL_KNZ sy-vline 
WA_JBRSVGAPHEAD_STR-TERMINKURS_KNZ sy-vline 
WA_JBRSVGAPHEAD_STR-SZBMETH sy-vline 
WA_JBRSVGAPHEAD_STR-SPREADAUSWEIS sy-vline 
WA_JBRSVGAPHEAD_STR-DETAILPROT sy-vline 
WA_JBRSVGAPHEAD_STR-PSAVE sy-vline 
WA_JBRSVGAPHEAD_STR-SZENWAHL sy-vline 
WA_JBRSVGAPHEAD_STR-SZENA sy-vline 
WA_JBRSVGAPHEAD_STR-SZVERLAUF sy-vline 
WA_JBRSVGAPHEAD_STR-BIL_CH_KF_KNZ sy-vline 
WA_JBRSVGAPHEAD_STR-AMORT_CALC sy-vline 
WA_JBRSVGAPHEAD_STR-LFDNR sy-vline 
WA_JBRSVGAPHEAD_STR-CONVERT_TO_EURO sy-vline 
WA_JBRSVGAPHEAD_STR-SELDAT sy-vline 
WA_JBRSVGAPHEAD_STR-EINZELWERTFLAG sy-vline 
WA_JBRSVGAPHEAD_STR-STAT_KNZ sy-vline 
WA_JBRSVGAPHEAD_STR-OZ_FROM sy-vline 
WA_JBRSVGAPHEAD_STR-GUV_LZB sy-vline 
WA_JBRSVGAPHEAD_STR-IND_LZB sy-vline 
WA_JBRSVGAPHEAD_STR-GAPART sy-vline 
WA_JBRSVGAPHEAD_STR-CRUSER sy-vline 
WA_JBRSVGAPHEAD_STR-DCRDAT sy-vline 
WA_JBRSVGAPHEAD_STR-TCRTIM sy-vline 
WA_JBRSVGAPHEAD_STR-UPUSER sy-vline 
WA_JBRSVGAPHEAD_STR-DUPDAT sy-vline 
WA_JBRSVGAPHEAD_STR-TUPTIM sy-vline      INTO ld_text SEPARATED BY SPACE.

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