ABAP Select data from SAP table /SAPAPO/CDPS_CMAT_D0210_STR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/CDPS_CMAT_D0210_STR 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 /SAPAPO/CDPS_CMAT_D0210_STR. 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 /SAPAPO/CDPS_CMAT_D0210_STR 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_/SAPAPO/CDPS_CMAT_D0210_STR TYPE STANDARD TABLE OF /SAPAPO/CDPS_CMAT_D0210_STR,
      WA_/SAPAPO/CDPS_CMAT_D0210_STR TYPE /SAPAPO/CDPS_CMAT_D0210_STR,
      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: </SAPAPO/CDPS_CMAT_D0210_STR> TYPE /SAPAPO/CDPS_CMAT_D0210_STR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPAPO/CDPS_CMAT_D0210_STR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/CDPS_CMAT_D0210_STR
  INTO TABLE IT_/SAPAPO/CDPS_CMAT_D0210_STR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/CDPS_CMAT_D0210_STR
*  INTO TABLE @DATA(IT_/SAPAPO/CDPS_CMAT_D0210_STR2).
*--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_/SAPAPO/CDPS_CMAT_D0210_STR INDEX 1 INTO DATA(WA_/SAPAPO/CDPS_CMAT_D0210_STR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/CDPS_CMAT_D0210_STR ASSIGNING </SAPAPO/CDPS_CMAT_D0210_STR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/CDPS_CMAT_D0210_STR>-MANDT = 1.
</SAPAPO/CDPS_CMAT_D0210_STR>-LOCID = 1.
</SAPAPO/CDPS_CMAT_D0210_STR>-GRP_RULE = 1.
</SAPAPO/CDPS_CMAT_D0210_STR>-STATUS = 1.
</SAPAPO/CDPS_CMAT_D0210_STR>-CLASS_TYPE = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/CDPS_CMAT_D0210_STR INTO WA_/SAPAPO/CDPS_CMAT_D0210_STR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/CDPS_CMAT_D0210_STR-PREFIX, sy-vline,
  WA_/SAPAPO/CDPS_CMAT_D0210_STR-SEPARATOR, sy-vline,
  WA_/SAPAPO/CDPS_CMAT_D0210_STR-GEN_TYPE, sy-vline,
  WA_/SAPAPO/CDPS_CMAT_D0210_STR-ERSDA, sy-vline,
  WA_/SAPAPO/CDPS_CMAT_D0210_STR-ERNAM, sy-vline,
  WA_/SAPAPO/CDPS_CMAT_D0210_STR-LAEDA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/CDPS_CMAT_D0210_STR 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_/SAPAPO/CDPS_CMAT_D0210_STR 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_/SAPAPO/CDPS_CMAT_D0210_STR INTO WA_/SAPAPO/CDPS_CMAT_D0210_STR.


*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 ATINN, internal->external for field ATINN01
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CDPS_CMAT_D0210_STR-ATINN01
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CDPS_CMAT_D0210_STR-ATINN01.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ATINN, internal->external for field ATINN02
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CDPS_CMAT_D0210_STR-ATINN02
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CDPS_CMAT_D0210_STR-ATINN02.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ATINN, internal->external for field ATINN03
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CDPS_CMAT_D0210_STR-ATINN03
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CDPS_CMAT_D0210_STR-ATINN03.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ATINN, internal->external for field ATINN04
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CDPS_CMAT_D0210_STR-ATINN04
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CDPS_CMAT_D0210_STR-ATINN04.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ATINN, internal->external for field ATINN05
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CDPS_CMAT_D0210_STR-ATINN05
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CDPS_CMAT_D0210_STR-ATINN05.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ATINN, internal->external for field ATINN06
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CDPS_CMAT_D0210_STR-ATINN06
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CDPS_CMAT_D0210_STR-ATINN06.
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_/SAPAPO/CDPS_CMAT_D0210_STR_STR, 
MANDT TYPE STRING,
LOCID TYPE STRING,
GRP_RULE TYPE STRING,
STATUS TYPE STRING,
CLASS_TYPE TYPE STRING,
PREFIX TYPE STRING,
SEPARATOR TYPE STRING,
GEN_TYPE TYPE STRING,
ERSDA TYPE STRING,
ERNAM TYPE STRING,
LAEDA TYPE STRING,
AENAM TYPE STRING,
LOCNO TYPE STRING,
GRP_RULE_TXT TYPE STRING,
ATINN01 TYPE STRING,
ATNAM01 TYPE STRING,
FRAGM_START01 TYPE STRING,
FRAGM_LENGTH01 TYPE STRING,
ATINN02 TYPE STRING,
ATNAM02 TYPE STRING,
FRAGM_START02 TYPE STRING,
FRAGM_LENGTH02 TYPE STRING,
ATINN03 TYPE STRING,
ATNAM03 TYPE STRING,
FRAGM_START03 TYPE STRING,
FRAGM_LENGTH03 TYPE STRING,
ATINN04 TYPE STRING,
ATNAM04 TYPE STRING,
FRAGM_START04 TYPE STRING,
FRAGM_LENGTH04 TYPE STRING,
ATINN05 TYPE STRING,
ATNAM05 TYPE STRING,
FRAGM_START05 TYPE STRING,
FRAGM_LENGTH05 TYPE STRING,
ATINN06 TYPE STRING,
ATNAM06 TYPE STRING,
FRAGM_START06 TYPE STRING,
FRAGM_LENGTH06 TYPE STRING,
DISPLAY_MODE TYPE STRING,
MARKED TYPE STRING,
LOCK_BY_USER TYPE STRING,
ACTION TYPE STRING,
LOCNO_ORIG TYPE STRING,
GRP_RULE_ORIG TYPE STRING,
NOTIF_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/CDPS_CMAT_D0210_STR_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_/SAPAPO/CDPS_CMAT_D0210_STR_STR-MANDT sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-LOCID sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-GRP_RULE sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-STATUS sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-CLASS_TYPE sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-PREFIX sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-SEPARATOR sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-GEN_TYPE sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-ERSDA sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-ERNAM sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-LAEDA sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-AENAM sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-LOCNO sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-GRP_RULE_TXT sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-ATINN01 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-ATNAM01 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-FRAGM_START01 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-FRAGM_LENGTH01 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-ATINN02 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-ATNAM02 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-FRAGM_START02 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-FRAGM_LENGTH02 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-ATINN03 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-ATNAM03 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-FRAGM_START03 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-FRAGM_LENGTH03 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-ATINN04 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-ATNAM04 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-FRAGM_START04 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-FRAGM_LENGTH04 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-ATINN05 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-ATNAM05 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-FRAGM_START05 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-FRAGM_LENGTH05 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-ATINN06 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-ATNAM06 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-FRAGM_START06 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-FRAGM_LENGTH06 sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-DISPLAY_MODE sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-MARKED sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-LOCK_BY_USER sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-ACTION sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-LOCNO_ORIG sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-GRP_RULE_ORIG sy-vline 
WA_/SAPAPO/CDPS_CMAT_D0210_STR_STR-NOTIF_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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