ABAP Select data from SAP table /1BCDWB/IQG000000000122 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /1BCDWB/IQG000000000122 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 /1BCDWB/IQG000000000122. 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 /1BCDWB/IQG000000000122 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_/1BCDWB/IQG000000000122 TYPE STANDARD TABLE OF /1BCDWB/IQG000000000122,
      WA_/1BCDWB/IQG000000000122 TYPE /1BCDWB/IQG000000000122,
      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: </1BCDWB/IQG000000000122> TYPE /1BCDWB/IQG000000000122.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/1BCDWB/IQG000000000122.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /1BCDWB/IQG000000000122
  INTO TABLE IT_/1BCDWB/IQG000000000122.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /1BCDWB/IQG000000000122
*  INTO TABLE @DATA(IT_/1BCDWB/IQG0000000001222).
*--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_/1BCDWB/IQG000000000122 INDEX 1 INTO DATA(WA_/1BCDWB/IQG0000000001222).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/1BCDWB/IQG000000000122 ASSIGNING </1BCDWB/IQG000000000122>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</1BCDWB/IQG000000000122>-EMPLOYEE_ID = 1.
</1BCDWB/IQG000000000122>-ORGEH = 1.
</1BCDWB/IQG000000000122>-COST_CENTER = 1.
</1BCDWB/IQG000000000122>-CO_AREA = 1.
</1BCDWB/IQG000000000122>-EMPLOYEE_FIRSTN = 1.

ENDLOOP.

LOOP AT IT_/1BCDWB/IQG000000000122 INTO WA_/1BCDWB/IQG000000000122.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/1BCDWB/IQG000000000122-EMPLOYEE_LASTN, sy-vline,
  WA_/1BCDWB/IQG000000000122-DATE_LAST_UPDATE, sy-vline,
  WA_/1BCDWB/IQG000000000122-PERIOD1, sy-vline,
  WA_/1BCDWB/IQG000000000122-PERIOD2, sy-vline,
  WA_/1BCDWB/IQG000000000122-PERIOD3, sy-vline,
  WA_/1BCDWB/IQG000000000122-PERIOD4, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/1BCDWB/IQG000000000122 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_/1BCDWB/IQG000000000122 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_/1BCDWB/IQG000000000122 INTO WA_/1BCDWB/IQG000000000122.


*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 COST_CENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/1BCDWB/IQG000000000122-COST_CENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/1BCDWB/IQG000000000122-COST_CENTER.
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_/1BCDWB/IQG000000000122_STR, 
EMPLOYEE_ID TYPE STRING,
ORGEH TYPE STRING,
COST_CENTER TYPE STRING,
CO_AREA TYPE STRING,
EMPLOYEE_FIRSTN TYPE STRING,
EMPLOYEE_LASTN TYPE STRING,
DATE_LAST_UPDATE TYPE STRING,
PERIOD1 TYPE STRING,
PERIOD2 TYPE STRING,
PERIOD3 TYPE STRING,
PERIOD4 TYPE STRING,
PERIOD5 TYPE STRING,
PERIOD6 TYPE STRING,
PERIOD7 TYPE STRING,
PERIOD8 TYPE STRING,
PERIOD9 TYPE STRING,
PERIOD10 TYPE STRING,
PERIOD11 TYPE STRING,
PERIOD12 TYPE STRING,
CATS_MISSING_AUTH TYPE STRING,
Z_PRS_OFFSHORE TYPE STRING,
Z_PRS_BILL_FLAG TYPE STRING,
Z_PRS_COUNTRY TYPE STRING,
Z_PRS_CHARGELEVL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/1BCDWB/IQG000000000122_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_/1BCDWB/IQG000000000122_STR-EMPLOYEE_ID sy-vline 
WA_/1BCDWB/IQG000000000122_STR-ORGEH sy-vline 
WA_/1BCDWB/IQG000000000122_STR-COST_CENTER sy-vline 
WA_/1BCDWB/IQG000000000122_STR-CO_AREA sy-vline 
WA_/1BCDWB/IQG000000000122_STR-EMPLOYEE_FIRSTN sy-vline 
WA_/1BCDWB/IQG000000000122_STR-EMPLOYEE_LASTN sy-vline 
WA_/1BCDWB/IQG000000000122_STR-DATE_LAST_UPDATE sy-vline 
WA_/1BCDWB/IQG000000000122_STR-PERIOD1 sy-vline 
WA_/1BCDWB/IQG000000000122_STR-PERIOD2 sy-vline 
WA_/1BCDWB/IQG000000000122_STR-PERIOD3 sy-vline 
WA_/1BCDWB/IQG000000000122_STR-PERIOD4 sy-vline 
WA_/1BCDWB/IQG000000000122_STR-PERIOD5 sy-vline 
WA_/1BCDWB/IQG000000000122_STR-PERIOD6 sy-vline 
WA_/1BCDWB/IQG000000000122_STR-PERIOD7 sy-vline 
WA_/1BCDWB/IQG000000000122_STR-PERIOD8 sy-vline 
WA_/1BCDWB/IQG000000000122_STR-PERIOD9 sy-vline 
WA_/1BCDWB/IQG000000000122_STR-PERIOD10 sy-vline 
WA_/1BCDWB/IQG000000000122_STR-PERIOD11 sy-vline 
WA_/1BCDWB/IQG000000000122_STR-PERIOD12 sy-vline 
WA_/1BCDWB/IQG000000000122_STR-CATS_MISSING_AUTH sy-vline 
WA_/1BCDWB/IQG000000000122_STR-Z_PRS_OFFSHORE sy-vline 
WA_/1BCDWB/IQG000000000122_STR-Z_PRS_BILL_FLAG sy-vline 
WA_/1BCDWB/IQG000000000122_STR-Z_PRS_COUNTRY sy-vline 
WA_/1BCDWB/IQG000000000122_STR-Z_PRS_CHARGELEVL sy-vline      INTO ld_text SEPARATED BY SPACE.

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