ABAP Select data from SAP table /BEV3/CHCIGLBDTA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /BEV3/CHCIGLBDTA 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 /BEV3/CHCIGLBDTA. 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 /BEV3/CHCIGLBDTA 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_/BEV3/CHCIGLBDTA TYPE STANDARD TABLE OF /BEV3/CHCIGLBDTA,
      WA_/BEV3/CHCIGLBDTA TYPE /BEV3/CHCIGLBDTA,
      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: </BEV3/CHCIGLBDTA> TYPE /BEV3/CHCIGLBDTA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/BEV3/CHCIGLBDTA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /BEV3/CHCIGLBDTA
  INTO TABLE IT_/BEV3/CHCIGLBDTA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BEV3/CHCIGLBDTA
*  INTO TABLE @DATA(IT_/BEV3/CHCIGLBDTA2).
*--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_/BEV3/CHCIGLBDTA INDEX 1 INTO DATA(WA_/BEV3/CHCIGLBDTA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/BEV3/CHCIGLBDTA ASSIGNING </BEV3/CHCIGLBDTA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BEV3/CHCIGLBDTA>-YVWDNR = 1.
</BEV3/CHCIGLBDTA>-YVORGE = 1.
</BEV3/CHCIGLBDTA>-VWDART = 1.
</BEV3/CHCIGLBDTA>-VERTSICHT = 1.
</BEV3/CHCIGLBDTA>-ABRSLKTDT = 1.

ENDLOOP.

LOOP AT IT_/BEV3/CHCIGLBDTA INTO WA_/BEV3/CHCIGLBDTA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BEV3/CHCIGLBDTA-VADAT, sy-vline,
  WA_/BEV3/CHCIGLBDTA-VBDATP, sy-vline,
  WA_/BEV3/CHCIGLBDTA-VEDATP, sy-vline,
  WA_/BEV3/CHCIGLBDTA-BELEGDAT, sy-vline,
  WA_/BEV3/CHCIGLBDTA-FAKTURADAT, sy-vline,
  WA_/BEV3/CHCIGLBDTA-START_DATUM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BEV3/CHCIGLBDTA 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_/BEV3/CHCIGLBDTA 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_/BEV3/CHCIGLBDTA INTO WA_/BEV3/CHCIGLBDTA.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/BEV3/CHCIGLBDTA_STR, 
YVWDNR TYPE STRING,
YVORGE TYPE STRING,
VWDART TYPE STRING,
VERTSICHT TYPE STRING,
ABRSLKTDT TYPE STRING,
VADAT TYPE STRING,
VBDATP TYPE STRING,
VEDATP TYPE STRING,
BELEGDAT TYPE STRING,
FAKTURADAT TYPE STRING,
START_DATUM TYPE STRING,
START_ZEIT TYPE STRING,
ABR_NR TYPE STRING,
BLG_NR TYPE STRING,
STEUERPFL TYPE STRING,
LAENDERKZ TYPE STRING,
VBKL_TERMIN TYPE STRING,
RI_TERMIN TYPE STRING,
VBIN_TERMIN TYPE STRING,
VBNR_TERMIN TYPE STRING,
PART TYPE STRING,
PART_INST TYPE STRING,
PERIODNGRP TYPE STRING,
PI_ABR TYPE STRING,
PRTSTRT TYPE STRING,
ABRTYP TYPE STRING,
TMCOUNT TYPE STRING,
TERMINFLG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BEV3/CHCIGLBDTA_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_/BEV3/CHCIGLBDTA_STR-YVWDNR sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-YVORGE sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-VWDART sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-VERTSICHT sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-ABRSLKTDT sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-VADAT sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-VBDATP sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-VEDATP sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-BELEGDAT sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-FAKTURADAT sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-START_DATUM sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-START_ZEIT sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-ABR_NR sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-BLG_NR sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-STEUERPFL sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-LAENDERKZ sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-VBKL_TERMIN sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-RI_TERMIN sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-VBIN_TERMIN sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-VBNR_TERMIN sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-PART sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-PART_INST sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-PERIODNGRP sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-PI_ABR sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-PRTSTRT sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-ABRTYP sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-TMCOUNT sy-vline 
WA_/BEV3/CHCIGLBDTA_STR-TERMINFLG sy-vline      INTO ld_text SEPARATED BY SPACE.

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