ABAP Select data from SAP table FISV_BAL_GL_02 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FISV_BAL_GL_02 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 FISV_BAL_GL_02. 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 FISV_BAL_GL_02 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_FISV_BAL_GL_02 TYPE STANDARD TABLE OF FISV_BAL_GL_02,
      WA_FISV_BAL_GL_02 TYPE FISV_BAL_GL_02,
      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: <FISV_BAL_GL_02> TYPE FISV_BAL_GL_02.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FISV_BAL_GL_02.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FISV_BAL_GL_02
  INTO TABLE IT_FISV_BAL_GL_02.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FISV_BAL_GL_02
*  INTO TABLE @DATA(IT_FISV_BAL_GL_022).
*--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_FISV_BAL_GL_02 INDEX 1 INTO DATA(WA_FISV_BAL_GL_022).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FISV_BAL_GL_02 ASSIGNING <FISV_BAL_GL_02>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FISV_BAL_GL_02>-MANDT = 1.
<FISV_BAL_GL_02>-BUTXT = 1.
<FISV_BAL_GL_02>-KTOPL = 1.
<FISV_BAL_GL_02>-RYEAR = 1.
<FISV_BAL_GL_02>-RLDNR = 1.

ENDLOOP.

LOOP AT IT_FISV_BAL_GL_02 INTO WA_FISV_BAL_GL_02.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FISV_BAL_GL_02-RBUKRS, sy-vline,
  WA_FISV_BAL_GL_02-RACCT, sy-vline,
  WA_FISV_BAL_GL_02-PRCTR, sy-vline,
  WA_FISV_BAL_GL_02-KOKRS, sy-vline,
  WA_FISV_BAL_GL_02-SEGMENT, sy-vline,
  WA_FISV_BAL_GL_02-RFAREA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FISV_BAL_GL_02 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_FISV_BAL_GL_02 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_FISV_BAL_GL_02 INTO WA_FISV_BAL_GL_02.


*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 GJAHR, internal->external for field RYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FISV_BAL_GL_02-RYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FISV_BAL_GL_02-RYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RLDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FISV_BAL_GL_02-RLDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FISV_BAL_GL_02-RLDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RACCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FISV_BAL_GL_02-RACCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FISV_BAL_GL_02-RACCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FISV_BAL_GL_02-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FISV_BAL_GL_02-PRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FISV_BAL_GL_02-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FISV_BAL_GL_02-SEGMENT.
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_FISV_BAL_GL_02_STR, 
MANDT TYPE STRING,
BUTXT TYPE STRING,
KTOPL TYPE STRING,
RYEAR TYPE STRING,
RLDNR TYPE STRING,
RBUKRS TYPE STRING,
RACCT TYPE STRING,
PRCTR TYPE STRING,
KOKRS TYPE STRING,
SEGMENT TYPE STRING,
RFAREA TYPE STRING,
RBUSA TYPE STRING,
POPER TYPE STRING,
KOART TYPE STRING,
BLART TYPE STRING,
HWAER TYPE STRING,
DEBIT_HSL TYPE STRING,
CREDIT_HSL TYPE STRING,
BALANCE_HSL TYPE STRING,
CUM_BALANCE_HSL TYPE STRING,
RKCUR TYPE STRING,
DEBIT_KSL TYPE STRING,
CREDIT_KSL TYPE STRING,
BALANCE_KSL TYPE STRING,
CUM_BALANCE_KSL TYPE STRING,
ROCUR TYPE STRING,
DEBIT_OSL TYPE STRING,
CREDIT_OSL TYPE STRING,
BALANCE_OSL TYPE STRING,
CUM_BALANCE_OSL TYPE STRING,
RVCUR TYPE STRING,
DEBIT_VSL TYPE STRING,
CREDIT_VSL TYPE STRING,
BALANCE_VSL TYPE STRING,
CUM_BALANCE_VSL TYPE STRING,
RBCUR TYPE STRING,
DEBIT_BSL TYPE STRING,
CREDIT_BSL TYPE STRING,
BALANCE_BSL TYPE STRING,
CUM_BALANCE_BSL TYPE STRING,
RCCUR TYPE STRING,
DEBIT_CSL TYPE STRING,
CREDIT_CSL TYPE STRING,
BALANCE_CSL TYPE STRING,
CUM_BALANCE_CSL TYPE STRING,
RDCUR TYPE STRING,
DEBIT_DSL TYPE STRING,
CREDIT_DSL TYPE STRING,
BALANCE_DSL TYPE STRING,
CUM_BALANCE_DSL TYPE STRING,
RECUR TYPE STRING,
DEBIT_ESL TYPE STRING,
CREDIT_ESL TYPE STRING,
BALANCE_ESL TYPE STRING,
CUM_BALANCE_ESL TYPE STRING,
RFCUR TYPE STRING,
DEBIT_FSL TYPE STRING,
CREDIT_FSL TYPE STRING,
BALANCE_FSL TYPE STRING,
CUM_BALANCE_FSL TYPE STRING,
RGCUR TYPE STRING,
DEBIT_GSL TYPE STRING,
CREDIT_GSL TYPE STRING,
BALANCE_GSL TYPE STRING,
CUM_BALANCE_GSL TYPE STRING,
RFCCUR TYPE STRING,
DEBIT_FCSL TYPE STRING,
CREDIT_FCSL TYPE STRING,
BALANCE_FCSL TYPE STRING,
CUM_BALANCE_FCSL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FISV_BAL_GL_02_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_FISV_BAL_GL_02_STR-MANDT sy-vline 
WA_FISV_BAL_GL_02_STR-BUTXT sy-vline 
WA_FISV_BAL_GL_02_STR-KTOPL sy-vline 
WA_FISV_BAL_GL_02_STR-RYEAR sy-vline 
WA_FISV_BAL_GL_02_STR-RLDNR sy-vline 
WA_FISV_BAL_GL_02_STR-RBUKRS sy-vline 
WA_FISV_BAL_GL_02_STR-RACCT sy-vline 
WA_FISV_BAL_GL_02_STR-PRCTR sy-vline 
WA_FISV_BAL_GL_02_STR-KOKRS sy-vline 
WA_FISV_BAL_GL_02_STR-SEGMENT sy-vline 
WA_FISV_BAL_GL_02_STR-RFAREA sy-vline 
WA_FISV_BAL_GL_02_STR-RBUSA sy-vline 
WA_FISV_BAL_GL_02_STR-POPER sy-vline 
WA_FISV_BAL_GL_02_STR-KOART sy-vline 
WA_FISV_BAL_GL_02_STR-BLART sy-vline 
WA_FISV_BAL_GL_02_STR-HWAER sy-vline 
WA_FISV_BAL_GL_02_STR-DEBIT_HSL sy-vline 
WA_FISV_BAL_GL_02_STR-CREDIT_HSL sy-vline 
WA_FISV_BAL_GL_02_STR-BALANCE_HSL sy-vline 
WA_FISV_BAL_GL_02_STR-CUM_BALANCE_HSL sy-vline 
WA_FISV_BAL_GL_02_STR-RKCUR sy-vline 
WA_FISV_BAL_GL_02_STR-DEBIT_KSL sy-vline 
WA_FISV_BAL_GL_02_STR-CREDIT_KSL sy-vline 
WA_FISV_BAL_GL_02_STR-BALANCE_KSL sy-vline 
WA_FISV_BAL_GL_02_STR-CUM_BALANCE_KSL sy-vline 
WA_FISV_BAL_GL_02_STR-ROCUR sy-vline 
WA_FISV_BAL_GL_02_STR-DEBIT_OSL sy-vline 
WA_FISV_BAL_GL_02_STR-CREDIT_OSL sy-vline 
WA_FISV_BAL_GL_02_STR-BALANCE_OSL sy-vline 
WA_FISV_BAL_GL_02_STR-CUM_BALANCE_OSL sy-vline 
WA_FISV_BAL_GL_02_STR-RVCUR sy-vline 
WA_FISV_BAL_GL_02_STR-DEBIT_VSL sy-vline 
WA_FISV_BAL_GL_02_STR-CREDIT_VSL sy-vline 
WA_FISV_BAL_GL_02_STR-BALANCE_VSL sy-vline 
WA_FISV_BAL_GL_02_STR-CUM_BALANCE_VSL sy-vline 
WA_FISV_BAL_GL_02_STR-RBCUR sy-vline 
WA_FISV_BAL_GL_02_STR-DEBIT_BSL sy-vline 
WA_FISV_BAL_GL_02_STR-CREDIT_BSL sy-vline 
WA_FISV_BAL_GL_02_STR-BALANCE_BSL sy-vline 
WA_FISV_BAL_GL_02_STR-CUM_BALANCE_BSL sy-vline 
WA_FISV_BAL_GL_02_STR-RCCUR sy-vline 
WA_FISV_BAL_GL_02_STR-DEBIT_CSL sy-vline 
WA_FISV_BAL_GL_02_STR-CREDIT_CSL sy-vline 
WA_FISV_BAL_GL_02_STR-BALANCE_CSL sy-vline 
WA_FISV_BAL_GL_02_STR-CUM_BALANCE_CSL sy-vline 
WA_FISV_BAL_GL_02_STR-RDCUR sy-vline 
WA_FISV_BAL_GL_02_STR-DEBIT_DSL sy-vline 
WA_FISV_BAL_GL_02_STR-CREDIT_DSL sy-vline 
WA_FISV_BAL_GL_02_STR-BALANCE_DSL sy-vline 
WA_FISV_BAL_GL_02_STR-CUM_BALANCE_DSL sy-vline 
WA_FISV_BAL_GL_02_STR-RECUR sy-vline 
WA_FISV_BAL_GL_02_STR-DEBIT_ESL sy-vline 
WA_FISV_BAL_GL_02_STR-CREDIT_ESL sy-vline 
WA_FISV_BAL_GL_02_STR-BALANCE_ESL sy-vline 
WA_FISV_BAL_GL_02_STR-CUM_BALANCE_ESL sy-vline 
WA_FISV_BAL_GL_02_STR-RFCUR sy-vline 
WA_FISV_BAL_GL_02_STR-DEBIT_FSL sy-vline 
WA_FISV_BAL_GL_02_STR-CREDIT_FSL sy-vline 
WA_FISV_BAL_GL_02_STR-BALANCE_FSL sy-vline 
WA_FISV_BAL_GL_02_STR-CUM_BALANCE_FSL sy-vline 
WA_FISV_BAL_GL_02_STR-RGCUR sy-vline 
WA_FISV_BAL_GL_02_STR-DEBIT_GSL sy-vline 
WA_FISV_BAL_GL_02_STR-CREDIT_GSL sy-vline 
WA_FISV_BAL_GL_02_STR-BALANCE_GSL sy-vline 
WA_FISV_BAL_GL_02_STR-CUM_BALANCE_GSL sy-vline 
WA_FISV_BAL_GL_02_STR-RFCCUR sy-vline 
WA_FISV_BAL_GL_02_STR-DEBIT_FCSL sy-vline 
WA_FISV_BAL_GL_02_STR-CREDIT_FCSL sy-vline 
WA_FISV_BAL_GL_02_STR-BALANCE_FCSL sy-vline 
WA_FISV_BAL_GL_02_STR-CUM_BALANCE_FCSL sy-vline      INTO ld_text SEPARATED BY SPACE.

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