ABAP Select data from SAP table CYINDI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CYINDI
*  INTO TABLE @DATA(IT_CYINDI2).
*--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_CYINDI INDEX 1 INTO DATA(WA_CYINDI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CYINDI>-IKBED = 1.
<CYINDI>-SELKBED = 1.
<CYINDI>-VERKBED = 1.
<CYINDI>-PERIOD = 1.
<CYINDI>-KAPAN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CYINDI-KUBEL, sy-vline,
  WA_CYINDI-DETLS, sy-vline,
  WA_CYINDI-HIECAP, sy-vline,
  WA_CYINDI-DATDETL, sy-vline,
  WA_CYINDI-INTLIVAR, sy-vline,
  WA_CYINDI-INTSPAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CYINDI 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_CYINDI 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_CYINDI INTO WA_CYINDI.


*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_CYINDI_STR, 
IKBED TYPE STRING,
SELKBED TYPE STRING,
VERKBED TYPE STRING,
PERIOD TYPE STRING,
KAPAN TYPE STRING,
KUBEL TYPE STRING,
DETLS TYPE STRING,
HIECAP TYPE STRING,
DATDETL TYPE STRING,
INTLIVAR TYPE STRING,
INTSPAL TYPE STRING,
LIVARDEF TYPE STRING,
LIVARLI TYPE STRING,
LIVARGR TYPE STRING,
NOINIT TYPE STRING,
FEINSEL TYPE STRING,
HILFEFKT TYPE STRING,
DRUCK TYPE STRING,
GRAPHIK TYPE STRING,
ARSTORE TYPE STRING,
LIVAREX TYPE STRING,
LIVARXL TYPE STRING,
HIESEL TYPE STRING,
DB_READ TYPE STRING,
LIVARBATCH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CYINDI_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_CYINDI_STR-IKBED sy-vline 
WA_CYINDI_STR-SELKBED sy-vline 
WA_CYINDI_STR-VERKBED sy-vline 
WA_CYINDI_STR-PERIOD sy-vline 
WA_CYINDI_STR-KAPAN sy-vline 
WA_CYINDI_STR-KUBEL sy-vline 
WA_CYINDI_STR-DETLS sy-vline 
WA_CYINDI_STR-HIECAP sy-vline 
WA_CYINDI_STR-DATDETL sy-vline 
WA_CYINDI_STR-INTLIVAR sy-vline 
WA_CYINDI_STR-INTSPAL sy-vline 
WA_CYINDI_STR-LIVARDEF sy-vline 
WA_CYINDI_STR-LIVARLI sy-vline 
WA_CYINDI_STR-LIVARGR sy-vline 
WA_CYINDI_STR-NOINIT sy-vline 
WA_CYINDI_STR-FEINSEL sy-vline 
WA_CYINDI_STR-HILFEFKT sy-vline 
WA_CYINDI_STR-DRUCK sy-vline 
WA_CYINDI_STR-GRAPHIK sy-vline 
WA_CYINDI_STR-ARSTORE sy-vline 
WA_CYINDI_STR-LIVAREX sy-vline 
WA_CYINDI_STR-LIVARXL sy-vline 
WA_CYINDI_STR-HIESEL sy-vline 
WA_CYINDI_STR-DB_READ sy-vline 
WA_CYINDI_STR-LIVARBATCH sy-vline      INTO ld_text SEPARATED BY SPACE.

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