ABAP Select data from SAP table OIH_J1B_SAL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP OIH_J1B_SAL 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 OIH_J1B_SAL. 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 OIH_J1B_SAL 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_OIH_J1B_SAL TYPE STANDARD TABLE OF OIH_J1B_SAL,
      WA_OIH_J1B_SAL TYPE OIH_J1B_SAL,
      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: <OIH_J1B_SAL> TYPE OIH_J1B_SAL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_OIH_J1B_SAL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM OIH_J1B_SAL
  INTO TABLE IT_OIH_J1B_SAL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OIH_J1B_SAL
*  INTO TABLE @DATA(IT_OIH_J1B_SAL2).
*--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_OIH_J1B_SAL INDEX 1 INTO DATA(WA_OIH_J1B_SAL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_OIH_J1B_SAL ASSIGNING <OIH_J1B_SAL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OIH_J1B_SAL>-MANDT = 1.
<OIH_J1B_SAL>-INT_OP = 1.
<OIH_J1B_SAL>-OIHVTYPE = 1.
<OIH_J1B_SAL>-CUST_GROUP = 1.
<OIH_J1B_SAL>-MAT_TAX_GR = 1.

ENDLOOP.

LOOP AT IT_OIH_J1B_SAL INTO WA_OIH_J1B_SAL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OIH_J1B_SAL-PRICE_CONTROL, sy-vline,
  WA_OIH_J1B_SAL-TAXATION_ORIG, sy-vline,
  WA_OIH_J1B_SAL-TAXATION_DEST, sy-vline,
  WA_OIH_J1B_SAL-OIHCV03, sy-vline,
  WA_OIH_J1B_SAL-OIHCV80O, sy-vline,
  WA_OIH_J1B_SAL-OIHCV80D, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OIH_J1B_SAL 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_OIH_J1B_SAL 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_OIH_J1B_SAL INTO WA_OIH_J1B_SAL.


*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 AUART, internal->external for field ORDER_TYPE
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_OIH_J1B_SAL-ORDER_TYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIH_J1B_SAL-ORDER_TYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TXLW1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIH_J1B_SAL-TXLW1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIH_J1B_SAL-TXLW1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TXLW2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIH_J1B_SAL-TXLW2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIH_J1B_SAL-TXLW2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TXLW4
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIH_J1B_SAL-TXLW4
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIH_J1B_SAL-TXLW4.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TXLW5
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIH_J1B_SAL-TXLW5
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIH_J1B_SAL-TXLW5.
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_OIH_J1B_SAL_STR, 
MANDT TYPE STRING,
INT_OP TYPE STRING,
OIHVTYPE TYPE STRING,
CUST_GROUP TYPE STRING,
MAT_TAX_GR TYPE STRING,
PRICE_CONTROL TYPE STRING,
TAXATION_ORIG TYPE STRING,
TAXATION_DEST TYPE STRING,
OIHCV03 TYPE STRING,
OIHCV80O TYPE STRING,
OIHCV80D TYPE STRING,
ZONA_FRANCA TYPE STRING,
ORDER_TYPE TYPE STRING,
ITEM_CAT TYPE STRING,
TAX_CODE TYPE STRING,
OIHCREDIPI TYPE STRING,
DEFAULT_TXCD TYPE STRING,
TXLW1 TYPE STRING,
TXLW2 TYPE STRING,
LEG_CLAIM TYPE STRING,
PUR_NOTAX TYPE STRING,
PISCOF_EXC TYPE STRING,
TXLW4 TYPE STRING,
TXLW5 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OIH_J1B_SAL_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_OIH_J1B_SAL_STR-MANDT sy-vline 
WA_OIH_J1B_SAL_STR-INT_OP sy-vline 
WA_OIH_J1B_SAL_STR-OIHVTYPE sy-vline 
WA_OIH_J1B_SAL_STR-CUST_GROUP sy-vline 
WA_OIH_J1B_SAL_STR-MAT_TAX_GR sy-vline 
WA_OIH_J1B_SAL_STR-PRICE_CONTROL sy-vline 
WA_OIH_J1B_SAL_STR-TAXATION_ORIG sy-vline 
WA_OIH_J1B_SAL_STR-TAXATION_DEST sy-vline 
WA_OIH_J1B_SAL_STR-OIHCV03 sy-vline 
WA_OIH_J1B_SAL_STR-OIHCV80O sy-vline 
WA_OIH_J1B_SAL_STR-OIHCV80D sy-vline 
WA_OIH_J1B_SAL_STR-ZONA_FRANCA sy-vline 
WA_OIH_J1B_SAL_STR-ORDER_TYPE sy-vline 
WA_OIH_J1B_SAL_STR-ITEM_CAT sy-vline 
WA_OIH_J1B_SAL_STR-TAX_CODE sy-vline 
WA_OIH_J1B_SAL_STR-OIHCREDIPI sy-vline 
WA_OIH_J1B_SAL_STR-DEFAULT_TXCD sy-vline 
WA_OIH_J1B_SAL_STR-TXLW1 sy-vline 
WA_OIH_J1B_SAL_STR-TXLW2 sy-vline 
WA_OIH_J1B_SAL_STR-LEG_CLAIM sy-vline 
WA_OIH_J1B_SAL_STR-PUR_NOTAX sy-vline 
WA_OIH_J1B_SAL_STR-PISCOF_EXC sy-vline 
WA_OIH_J1B_SAL_STR-TXLW4 sy-vline 
WA_OIH_J1B_SAL_STR-TXLW5 sy-vline      INTO ld_text SEPARATED BY SPACE.

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