ABAP Select data from SAP table ICA_S_RECON_BAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICA_S_RECON_BAL
*  INTO TABLE @DATA(IT_ICA_S_RECON_BAL2).
*--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_ICA_S_RECON_BAL INDEX 1 INTO DATA(WA_ICA_S_RECON_BAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICA_S_RECON_BAL>-RBUKRS = 1.
<ICA_S_RECON_BAL>-RCOMP = 1.
<ICA_S_RECON_BAL>-RCNTR = 1.
<ICA_S_RECON_BAL>-PRCTR = 1.
<ICA_S_RECON_BAL>-RFAREA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICA_S_RECON_BAL-RBUSA, sy-vline,
  WA_ICA_S_RECON_BAL-KOKRS, sy-vline,
  WA_ICA_S_RECON_BAL-SEGMENT, sy-vline,
  WA_ICA_S_RECON_BAL-RBUNIT, sy-vline,
  WA_ICA_S_RECON_BAL-UNITNAME, sy-vline,
  WA_ICA_S_RECON_BAL-PBUKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICA_S_RECON_BAL 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_ICA_S_RECON_BAL 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_ICA_S_RECON_BAL INTO WA_ICA_S_RECON_BAL.


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

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

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

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

*Conversion exit AFIMC, internal->external for field RBUNIT
CALL FUNCTION 'CONVERSION_EXIT_AFIMC_OUTPUT'
  EXPORTING
    input =                      WA_ICA_S_RECON_BAL-RBUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICA_S_RECON_BAL-RBUNIT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit AFIMC, internal->external for field RBUPTR
CALL FUNCTION 'CONVERSION_EXIT_AFIMC_OUTPUT'
  EXPORTING
    input =                      WA_ICA_S_RECON_BAL-RBUPTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICA_S_RECON_BAL-RBUPTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field RUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ICA_S_RECON_BAL-RUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICA_S_RECON_BAL-RUNIT.
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_ICA_S_RECON_BAL_STR, 
RBUKRS TYPE STRING,
RCOMP TYPE STRING,
RCNTR TYPE STRING,
PRCTR TYPE STRING,
RFAREA TYPE STRING,
RBUSA TYPE STRING,
KOKRS TYPE STRING,
SEGMENT TYPE STRING,
RBUNIT TYPE STRING,
UNITNAME TYPE STRING,
PBUKRS TYPE STRING,
RASSC TYPE STRING,
SCNTR TYPE STRING,
PPRCTR TYPE STRING,
SFAREA TYPE STRING,
SBUSA TYPE STRING,
PSEGMENT TYPE STRING,
RBUPTR TYPE STRING,
UNITNAME_P TYPE STRING,
DISP_GROUP TYPE STRING,
DG_DESCM TYPE STRING,
CURR TYPE STRING,
LUNIT_BAL_L TYPE STRING,
PUNIT_BAL_L TYPE STRING,
DIFF_L TYPE STRING,
LUNIT_BAL_A TYPE STRING,
PUNIT_BAL_A TYPE STRING,
DIFF_A TYPE STRING,
LUNIT_BAL_LP TYPE STRING,
PUNIT_BAL_LP TYPE STRING,
DIFF_LP TYPE STRING,
LUNIT_BAL_AP TYPE STRING,
PUNIT_BAL_AP TYPE STRING,
DIFF_AP TYPE STRING,
RUNIT TYPE STRING,
LUNIT_QTY_L TYPE STRING,
PUNIT_QTY_L TYPE STRING,
DIFF_QTY_L TYPE STRING,
LUNIT_QTY_A TYPE STRING,
PUNIT_QTY_A TYPE STRING,
DIFF_QTY_A TYPE STRING,
LUNIT_QTY_LP TYPE STRING,
PUNIT_QTY_LP TYPE STRING,
DIFF_QTY_LP TYPE STRING,
LUNIT_QTY_AP TYPE STRING,
PUNIT_QTY_AP TYPE STRING,
DIFF_QTY_AP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICA_S_RECON_BAL_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_ICA_S_RECON_BAL_STR-RBUKRS sy-vline 
WA_ICA_S_RECON_BAL_STR-RCOMP sy-vline 
WA_ICA_S_RECON_BAL_STR-RCNTR sy-vline 
WA_ICA_S_RECON_BAL_STR-PRCTR sy-vline 
WA_ICA_S_RECON_BAL_STR-RFAREA sy-vline 
WA_ICA_S_RECON_BAL_STR-RBUSA sy-vline 
WA_ICA_S_RECON_BAL_STR-KOKRS sy-vline 
WA_ICA_S_RECON_BAL_STR-SEGMENT sy-vline 
WA_ICA_S_RECON_BAL_STR-RBUNIT sy-vline 
WA_ICA_S_RECON_BAL_STR-UNITNAME sy-vline 
WA_ICA_S_RECON_BAL_STR-PBUKRS sy-vline 
WA_ICA_S_RECON_BAL_STR-RASSC sy-vline 
WA_ICA_S_RECON_BAL_STR-SCNTR sy-vline 
WA_ICA_S_RECON_BAL_STR-PPRCTR sy-vline 
WA_ICA_S_RECON_BAL_STR-SFAREA sy-vline 
WA_ICA_S_RECON_BAL_STR-SBUSA sy-vline 
WA_ICA_S_RECON_BAL_STR-PSEGMENT sy-vline 
WA_ICA_S_RECON_BAL_STR-RBUPTR sy-vline 
WA_ICA_S_RECON_BAL_STR-UNITNAME_P sy-vline 
WA_ICA_S_RECON_BAL_STR-DISP_GROUP sy-vline 
WA_ICA_S_RECON_BAL_STR-DG_DESCM sy-vline 
WA_ICA_S_RECON_BAL_STR-CURR sy-vline 
WA_ICA_S_RECON_BAL_STR-LUNIT_BAL_L sy-vline 
WA_ICA_S_RECON_BAL_STR-PUNIT_BAL_L sy-vline 
WA_ICA_S_RECON_BAL_STR-DIFF_L sy-vline 
WA_ICA_S_RECON_BAL_STR-LUNIT_BAL_A sy-vline 
WA_ICA_S_RECON_BAL_STR-PUNIT_BAL_A sy-vline 
WA_ICA_S_RECON_BAL_STR-DIFF_A sy-vline 
WA_ICA_S_RECON_BAL_STR-LUNIT_BAL_LP sy-vline 
WA_ICA_S_RECON_BAL_STR-PUNIT_BAL_LP sy-vline 
WA_ICA_S_RECON_BAL_STR-DIFF_LP sy-vline 
WA_ICA_S_RECON_BAL_STR-LUNIT_BAL_AP sy-vline 
WA_ICA_S_RECON_BAL_STR-PUNIT_BAL_AP sy-vline 
WA_ICA_S_RECON_BAL_STR-DIFF_AP sy-vline 
WA_ICA_S_RECON_BAL_STR-RUNIT sy-vline 
WA_ICA_S_RECON_BAL_STR-LUNIT_QTY_L sy-vline 
WA_ICA_S_RECON_BAL_STR-PUNIT_QTY_L sy-vline 
WA_ICA_S_RECON_BAL_STR-DIFF_QTY_L sy-vline 
WA_ICA_S_RECON_BAL_STR-LUNIT_QTY_A sy-vline 
WA_ICA_S_RECON_BAL_STR-PUNIT_QTY_A sy-vline 
WA_ICA_S_RECON_BAL_STR-DIFF_QTY_A sy-vline 
WA_ICA_S_RECON_BAL_STR-LUNIT_QTY_LP sy-vline 
WA_ICA_S_RECON_BAL_STR-PUNIT_QTY_LP sy-vline 
WA_ICA_S_RECON_BAL_STR-DIFF_QTY_LP sy-vline 
WA_ICA_S_RECON_BAL_STR-LUNIT_QTY_AP sy-vline 
WA_ICA_S_RECON_BAL_STR-PUNIT_QTY_AP sy-vline 
WA_ICA_S_RECON_BAL_STR-DIFF_QTY_AP sy-vline      INTO ld_text SEPARATED BY SPACE.

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