ABAP Select data from SAP table PTR_CISK_STR4 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PTR_CISK_STR4 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 PTR_CISK_STR4. 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 PTR_CISK_STR4 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_PTR_CISK_STR4 TYPE STANDARD TABLE OF PTR_CISK_STR4,
      WA_PTR_CISK_STR4 TYPE PTR_CISK_STR4,
      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: <PTR_CISK_STR4> TYPE PTR_CISK_STR4.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PTR_CISK_STR4.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PTR_CISK_STR4
  INTO TABLE IT_PTR_CISK_STR4.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PTR_CISK_STR4
*  INTO TABLE @DATA(IT_PTR_CISK_STR42).
*--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_PTR_CISK_STR4 INDEX 1 INTO DATA(WA_PTR_CISK_STR42).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PTR_CISK_STR4 ASSIGNING <PTR_CISK_STR4>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PTR_CISK_STR4>-SIRAN = 1.
<PTR_CISK_STR4>-MERNI = 1.
<PTR_CISK_STR4>-VORNA = 1.
<PTR_CISK_STR4>-NACHN = 1.
<PTR_CISK_STR4>-SDURM = 1.

ENDLOOP.

LOOP AT IT_PTR_CISK_STR4 INTO WA_PTR_CISK_STR4.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PTR_CISK_STR4-STAT2, sy-vline,
  WA_PTR_CISK_STR4-MSLKD, sy-vline,
  WA_PTR_CISK_STR4-MSLKS, sy-vline,
  WA_PTR_CISK_STR4-BEGDA, sy-vline,
  WA_PTR_CISK_STR4-ENDDA, sy-vline,
  WA_PTR_CISK_STR4-GRTXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PTR_CISK_STR4 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_PTR_CISK_STR4 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_PTR_CISK_STR4 INTO WA_PTR_CISK_STR4.


*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_PTR_CISK_STR4_STR, 
SIRAN TYPE STRING,
MERNI TYPE STRING,
VORNA TYPE STRING,
NACHN TYPE STRING,
SDURM TYPE STRING,
STAT2 TYPE STRING,
MSLKD TYPE STRING,
MSLKS TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
GRTXT TYPE STRING,
CKTXT TYPE STRING,
ICIKD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PTR_CISK_STR4_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_PTR_CISK_STR4_STR-SIRAN sy-vline 
WA_PTR_CISK_STR4_STR-MERNI sy-vline 
WA_PTR_CISK_STR4_STR-VORNA sy-vline 
WA_PTR_CISK_STR4_STR-NACHN sy-vline 
WA_PTR_CISK_STR4_STR-SDURM sy-vline 
WA_PTR_CISK_STR4_STR-STAT2 sy-vline 
WA_PTR_CISK_STR4_STR-MSLKD sy-vline 
WA_PTR_CISK_STR4_STR-MSLKS sy-vline 
WA_PTR_CISK_STR4_STR-BEGDA sy-vline 
WA_PTR_CISK_STR4_STR-ENDDA sy-vline 
WA_PTR_CISK_STR4_STR-GRTXT sy-vline 
WA_PTR_CISK_STR4_STR-CKTXT sy-vline 
WA_PTR_CISK_STR4_STR-ICIKD sy-vline      INTO ld_text SEPARATED BY SPACE.

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