ABAP Select data from SAP table /BIC/CCOC2LIS_12_VCHDR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /BIC/CCOC2LIS_12_VCHDR 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 /BIC/CCOC2LIS_12_VCHDR. 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 /BIC/CCOC2LIS_12_VCHDR 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_/BIC/CCOC2LIS_12_VCHDR TYPE STANDARD TABLE OF /BIC/CCOC2LIS_12_VCHDR,
      WA_/BIC/CCOC2LIS_12_VCHDR TYPE /BIC/CCOC2LIS_12_VCHDR,
      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: </BIC/CCOC2LIS_12_VCHDR> TYPE /BIC/CCOC2LIS_12_VCHDR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/BIC/CCOC2LIS_12_VCHDR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /BIC/CCOC2LIS_12_VCHDR
  INTO TABLE IT_/BIC/CCOC2LIS_12_VCHDR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BIC/CCOC2LIS_12_VCHDR
*  INTO TABLE @DATA(IT_/BIC/CCOC2LIS_12_VCHDR2).
*--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_/BIC/CCOC2LIS_12_VCHDR INDEX 1 INTO DATA(WA_/BIC/CCOC2LIS_12_VCHDR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/BIC/CCOC2LIS_12_VCHDR ASSIGNING </BIC/CCOC2LIS_12_VCHDR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BIC/CCOC2LIS_12_VCHDR>-ROCANCEL = 1.
</BIC/CCOC2LIS_12_VCHDR>-VBELN = 1.
</BIC/CCOC2LIS_12_VCHDR>-ABLAD = 1.
</BIC/CCOC2LIS_12_VCHDR>-BTGEW = 1.
</BIC/CCOC2LIS_12_VCHDR>-BUKRS = 1.

ENDLOOP.

LOOP AT IT_/BIC/CCOC2LIS_12_VCHDR INTO WA_/BIC/CCOC2LIS_12_VCHDR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BIC/CCOC2LIS_12_VCHDR-BZIRK, sy-vline,
  WA_/BIC/CCOC2LIS_12_VCHDR-ERDAT, sy-vline,
  WA_/BIC/CCOC2LIS_12_VCHDR-FAKSK, sy-vline,
  WA_/BIC/CCOC2LIS_12_VCHDR-GEWEI, sy-vline,
  WA_/BIC/CCOC2LIS_12_VCHDR-INCO1, sy-vline,
  WA_/BIC/CCOC2LIS_12_VCHDR-INCO2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BIC/CCOC2LIS_12_VCHDR 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_/BIC/CCOC2LIS_12_VCHDR 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_/BIC/CCOC2LIS_12_VCHDR INTO WA_/BIC/CCOC2LIS_12_VCHDR.


*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_/BIC/CCOC2LIS_12_VCHDR_STR, 
ROCANCEL TYPE STRING,
VBELN TYPE STRING,
ABLAD TYPE STRING,
BTGEW TYPE STRING,
BUKRS TYPE STRING,
BZIRK TYPE STRING,
ERDAT TYPE STRING,
FAKSK TYPE STRING,
GEWEI TYPE STRING,
INCO1 TYPE STRING,
INCO2 TYPE STRING,
KDGRP TYPE STRING,
KUNAG TYPE STRING,
KUNNR TYPE STRING,
LFART TYPE STRING,
LFDAT TYPE STRING,
LIFNR TYPE STRING,
LIFSK TYPE STRING,
LSTEL TYPE STRING,
NTGEW TYPE STRING,
PKUNRE TYPE STRING,
PKUNRG TYPE STRING,
PSPDNR TYPE STRING,
PVRTNR TYPE STRING,
ROUTE TYPE STRING,
VBTYP TYPE STRING,
VKORG TYPE STRING,
VOLEH TYPE STRING,
VOLUM TYPE STRING,
VSTEL TYPE STRING,
WADAT TYPE STRING,
WADAT_IST TYPE STRING,
ANZLI TYPE STRING,
MCBW_ANZPK TYPE STRING,
PERIV TYPE STRING,
WA_DELAY_LF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BIC/CCOC2LIS_12_VCHDR_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_/BIC/CCOC2LIS_12_VCHDR_STR-ROCANCEL sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-VBELN sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-ABLAD sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-BTGEW sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-BUKRS sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-BZIRK sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-ERDAT sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-FAKSK sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-GEWEI sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-INCO1 sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-INCO2 sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-KDGRP sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-KUNAG sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-KUNNR sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-LFART sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-LFDAT sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-LIFNR sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-LIFSK sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-LSTEL sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-NTGEW sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-PKUNRE sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-PKUNRG sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-PSPDNR sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-PVRTNR sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-ROUTE sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-VBTYP sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-VKORG sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-VOLEH sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-VOLUM sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-VSTEL sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-WADAT sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-WADAT_IST sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-ANZLI sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-MCBW_ANZPK sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-PERIV sy-vline 
WA_/BIC/CCOC2LIS_12_VCHDR_STR-WA_DELAY_LF sy-vline      INTO ld_text SEPARATED BY SPACE.

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