ABAP Select data from SAP table ECOMP_BBPCHD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ECOMP_BBPCHD
*  INTO TABLE @DATA(IT_ECOMP_BBPCHD2).
*--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_ECOMP_BBPCHD INDEX 1 INTO DATA(WA_ECOMP_BBPCHD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ECOMP_BBPCHD>-AUGST = 1.
<ECOMP_BBPCHD>-OPTXT = 1.
<ECOMP_BBPCHD>-WAERS = 1.
<ECOMP_BBPCHD>-FAEDN = 1.
<ECOMP_BBPCHD>-FAEDS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ECOMP_BBPCHD-VERKZ, sy-vline,
  WA_ECOMP_BBPCHD-STUDT, sy-vline,
  WA_ECOMP_BBPCHD-SKTPZ, sy-vline,
  WA_ECOMP_BBPCHD-XMANL, sy-vline,
  WA_ECOMP_BBPCHD-BETRW, sy-vline,
  WA_ECOMP_BBPCHD-SKFBT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ECOMP_BBPCHD 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_ECOMP_BBPCHD 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_ECOMP_BBPCHD INTO WA_ECOMP_BBPCHD.


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

*Conversion exit ALPHA, internal->external for field DEAKTIV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ECOMP_BBPCHD-DEAKTIV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ECOMP_BBPCHD-DEAKTIV.
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_ECOMP_BBPCHD_STR, 
AUGST TYPE STRING,
OPTXT TYPE STRING,
WAERS TYPE STRING,
FAEDN TYPE STRING,
FAEDS TYPE STRING,
VERKZ TYPE STRING,
STUDT TYPE STRING,
SKTPZ TYPE STRING,
XMANL TYPE STRING,
BETRW TYPE STRING,
SKFBT TYPE STRING,
SBETW TYPE STRING,
PYMET TYPE STRING,
PERSL TYPE STRING,
AUGDT TYPE STRING,
AUGBL TYPE STRING,
AUGBD TYPE STRING,
AUGRD TYPE STRING,
MAHNV TYPE STRING,
EMBVT TYPE STRING,
IKEY TYPE STRING,
DEAKTIV TYPE STRING,
SOLLDAT TYPE STRING,
VORAUSZAHL TYPE STRING,
LOGNO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ECOMP_BBPCHD_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_ECOMP_BBPCHD_STR-AUGST sy-vline 
WA_ECOMP_BBPCHD_STR-OPTXT sy-vline 
WA_ECOMP_BBPCHD_STR-WAERS sy-vline 
WA_ECOMP_BBPCHD_STR-FAEDN sy-vline 
WA_ECOMP_BBPCHD_STR-FAEDS sy-vline 
WA_ECOMP_BBPCHD_STR-VERKZ sy-vline 
WA_ECOMP_BBPCHD_STR-STUDT sy-vline 
WA_ECOMP_BBPCHD_STR-SKTPZ sy-vline 
WA_ECOMP_BBPCHD_STR-XMANL sy-vline 
WA_ECOMP_BBPCHD_STR-BETRW sy-vline 
WA_ECOMP_BBPCHD_STR-SKFBT sy-vline 
WA_ECOMP_BBPCHD_STR-SBETW sy-vline 
WA_ECOMP_BBPCHD_STR-PYMET sy-vline 
WA_ECOMP_BBPCHD_STR-PERSL sy-vline 
WA_ECOMP_BBPCHD_STR-AUGDT sy-vline 
WA_ECOMP_BBPCHD_STR-AUGBL sy-vline 
WA_ECOMP_BBPCHD_STR-AUGBD sy-vline 
WA_ECOMP_BBPCHD_STR-AUGRD sy-vline 
WA_ECOMP_BBPCHD_STR-MAHNV sy-vline 
WA_ECOMP_BBPCHD_STR-EMBVT sy-vline 
WA_ECOMP_BBPCHD_STR-IKEY sy-vline 
WA_ECOMP_BBPCHD_STR-DEAKTIV sy-vline 
WA_ECOMP_BBPCHD_STR-SOLLDAT sy-vline 
WA_ECOMP_BBPCHD_STR-VORAUSZAHL sy-vline 
WA_ECOMP_BBPCHD_STR-LOGNO sy-vline      INTO ld_text SEPARATED BY SPACE.

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