ABAP Select data from SAP table CRMST_AUI_WI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMST_AUI_WI
*  INTO TABLE @DATA(IT_CRMST_AUI_WI2).
*--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_CRMST_AUI_WI INDEX 1 INTO DATA(WA_CRMST_AUI_WI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMST_AUI_WI>-GUID = 1.
<CRMST_AUI_WI>-WI_ID = 1.
<CRMST_AUI_WI>-WI_CHCKWI = 1.
<CRMST_AUI_WI>-ITEM_TYPE = 1.
<CRMST_AUI_WI>-WI_TEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMST_AUI_WI-DESCRIPTION, sy-vline,
  WA_CRMST_AUI_WI-WI_STAT, sy-vline,
  WA_CRMST_AUI_WI-WI_PRIO, sy-vline,
  WA_CRMST_AUI_WI-CREA_TMP, sy-vline,
  WA_CRMST_AUI_WI-WI_CD_ZONLO, sy-vline,
  WA_CRMST_AUI_WI-WI_CT_ZONLO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMST_AUI_WI 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_CRMST_AUI_WI 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_CRMST_AUI_WI INTO WA_CRMST_AUI_WI.


*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 TSTPS, internal->external for field DUE_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CRMST_AUI_WI-DUE_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMST_AUI_WI-DUE_ON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMST_AUI_WI-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMST_AUI_WI-CUSTOMER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field SOF_SDR_ADDR
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_CRMST_AUI_WI-SOF_SDR_ADDR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMST_AUI_WI-SOF_SDR_ADDR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field SOF_RCP_ADDR
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_CRMST_AUI_WI-SOF_RCP_ADDR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMST_AUI_WI-SOF_RCP_ADDR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field WI_LANG
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CRMST_AUI_WI-WI_LANG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMST_AUI_WI-WI_LANG.
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_CRMST_AUI_WI_STR, 
GUID TYPE STRING,
WI_ID TYPE STRING,
WI_CHCKWI TYPE STRING,
ITEM_TYPE TYPE STRING,
WI_TEXT TYPE STRING,
DESCRIPTION TYPE STRING,
WI_STAT TYPE STRING,
WI_PRIO TYPE STRING,
CREA_TMP TYPE STRING,
WI_CD_ZONLO TYPE STRING,
WI_CT_ZONLO TYPE STRING,
WI_RH_TASK TYPE STRING,
WI_AAGENT TYPE STRING,
WI_DH_STAT TYPE STRING,
DUE_ON TYPE STRING,
GROUP_ASSIGNED TYPE STRING,
EMPL_ASSIGNED TYPE STRING,
EMPL_ASSIGNED_DESCR TYPE STRING,
CUSTOMER TYPE STRING,
CONTACT_PERSON TYPE STRING,
SOF_SDR_ADDR TYPE STRING,
SOF_RCP_ADDR TYPE STRING,
IMG_DOC_TYPE TYPE STRING,
DOC_BOR_OTYPE TYPE STRING,
DOC_BOR_OBJID TYPE STRING,
DOC_RECEIVED_AT TYPE STRING,
DOC_RECEIVED_ON TYPE STRING,
DOC_SUBJECT TYPE STRING,
DOC_BODY TYPE STRING,
IREC_GUID TYPE STRING,
CAMPAIGN_EL_GUID TYPE STRING,
CAMPAIGN_EL_ID TYPE STRING,
CAMPAIGN_EL_TEXT TYPE STRING,
WI_TIMESTAMP TYPE STRING,
WI_LANG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMST_AUI_WI_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_CRMST_AUI_WI_STR-GUID sy-vline 
WA_CRMST_AUI_WI_STR-WI_ID sy-vline 
WA_CRMST_AUI_WI_STR-WI_CHCKWI sy-vline 
WA_CRMST_AUI_WI_STR-ITEM_TYPE sy-vline 
WA_CRMST_AUI_WI_STR-WI_TEXT sy-vline 
WA_CRMST_AUI_WI_STR-DESCRIPTION sy-vline 
WA_CRMST_AUI_WI_STR-WI_STAT sy-vline 
WA_CRMST_AUI_WI_STR-WI_PRIO sy-vline 
WA_CRMST_AUI_WI_STR-CREA_TMP sy-vline 
WA_CRMST_AUI_WI_STR-WI_CD_ZONLO sy-vline 
WA_CRMST_AUI_WI_STR-WI_CT_ZONLO sy-vline 
WA_CRMST_AUI_WI_STR-WI_RH_TASK sy-vline 
WA_CRMST_AUI_WI_STR-WI_AAGENT sy-vline 
WA_CRMST_AUI_WI_STR-WI_DH_STAT sy-vline 
WA_CRMST_AUI_WI_STR-DUE_ON sy-vline 
WA_CRMST_AUI_WI_STR-GROUP_ASSIGNED sy-vline 
WA_CRMST_AUI_WI_STR-EMPL_ASSIGNED sy-vline 
WA_CRMST_AUI_WI_STR-EMPL_ASSIGNED_DESCR sy-vline 
WA_CRMST_AUI_WI_STR-CUSTOMER sy-vline 
WA_CRMST_AUI_WI_STR-CONTACT_PERSON sy-vline 
WA_CRMST_AUI_WI_STR-SOF_SDR_ADDR sy-vline 
WA_CRMST_AUI_WI_STR-SOF_RCP_ADDR sy-vline 
WA_CRMST_AUI_WI_STR-IMG_DOC_TYPE sy-vline 
WA_CRMST_AUI_WI_STR-DOC_BOR_OTYPE sy-vline 
WA_CRMST_AUI_WI_STR-DOC_BOR_OBJID sy-vline 
WA_CRMST_AUI_WI_STR-DOC_RECEIVED_AT sy-vline 
WA_CRMST_AUI_WI_STR-DOC_RECEIVED_ON sy-vline 
WA_CRMST_AUI_WI_STR-DOC_SUBJECT sy-vline 
WA_CRMST_AUI_WI_STR-DOC_BODY sy-vline 
WA_CRMST_AUI_WI_STR-IREC_GUID sy-vline 
WA_CRMST_AUI_WI_STR-CAMPAIGN_EL_GUID sy-vline 
WA_CRMST_AUI_WI_STR-CAMPAIGN_EL_ID sy-vline 
WA_CRMST_AUI_WI_STR-CAMPAIGN_EL_TEXT sy-vline 
WA_CRMST_AUI_WI_STR-WI_TIMESTAMP sy-vline 
WA_CRMST_AUI_WI_STR-WI_LANG sy-vline      INTO ld_text SEPARATED BY SPACE.

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