ABAP Select data from SAP table ECRM_CRMCONTRACTPOSX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ECRM_CRMCONTRACTPOSX
*  INTO TABLE @DATA(IT_ECRM_CRMCONTRACTPOSX2).
*--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_ECRM_CRMCONTRACTPOSX INDEX 1 INTO DATA(WA_ECRM_CRMCONTRACTPOSX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ECRM_CRMCONTRACTPOSX>-GUID_H = 1.
<ECRM_CRMCONTRACTPOSX>-GUID_I = 1.
<ECRM_CRMCONTRACTPOSX>-UPDATEFLAG = 1.
<ECRM_CRMCONTRACTPOSX>-PARTNER = 1.
<ECRM_CRMCONTRACTPOSX>-BUAG_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ECRM_CRMCONTRACTPOSX-ISUCONTRACT, sy-vline,
  WA_ECRM_CRMCONTRACTPOSX-ISUCONTRACT_LOGSYS, sy-vline,
  WA_ECRM_CRMCONTRACTPOSX-OBJECT_ID, sy-vline,
  WA_ECRM_CRMCONTRACTPOSX-NUMBER_INT, sy-vline,
  WA_ECRM_CRMCONTRACTPOSX-ORDERED_PROD, sy-vline,
  WA_ECRM_CRMCONTRACTPOSX-PRODUCT_GUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ECRM_CRMCONTRACTPOSX 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_ECRM_CRMCONTRACTPOSX 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_ECRM_CRMCONTRACTPOSX INTO WA_ECRM_CRMCONTRACTPOSX.


*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_ECRM_CRMCONTRACTPOSX_STR, 
GUID_H TYPE STRING,
GUID_I TYPE STRING,
UPDATEFLAG TYPE STRING,
PARTNER TYPE STRING,
BUAG_ID TYPE STRING,
ISUCONTRACT TYPE STRING,
ISUCONTRACT_LOGSYS TYPE STRING,
OBJECT_ID TYPE STRING,
NUMBER_INT TYPE STRING,
ORDERED_PROD TYPE STRING,
PRODUCT_GUID TYPE STRING,
PARTNER_GUID TYPE STRING,
BUAG_GUID TYPE STRING,
POD_GUID TYPE STRING,
CANC_PROC TYPE STRING,
CAMPAIGN TYPE STRING,
CAMPAIGN_TO_DATE TYPE STRING,
SALES_ORG_RESP TYPE STRING,
SALES_ORG TYPE STRING,
DISTRIBUTION_CHANNEL TYPE STRING,
SALES_OFFICE TYPE STRING,
SALES_GROUP TYPE STRING,
SERVICE_ORG_RESP TYPE STRING,
SERVICE_ORG TYPE STRING,
PROCESS_TYPE TYPE STRING,
RELTOPREV TYPE STRING,
RELTONEXT TYPE STRING,
PREV_TS_GUID TYPE STRING,
NEXT_TS_GUID TYPE STRING,
CANC_PARTY TYPE STRING,
CANCREASON TYPE STRING,
OUCONT TYPE STRING,
OUCONTRACT_I TYPE STRING,
CHANGE_TICKET1 TYPE STRING,
BUNDLE_CONTRACT TYPE STRING,
BUNDLE_SCORE TYPE STRING,
EXT_REF TYPE STRING,
ACT_SWTCDOC TYPE STRING,
DEACT_SWTCDOC TYPE STRING,
ACT_MSG TYPE STRING,
DEACT_MSG TYPE STRING,
PRODCH_BEG TYPE STRING,
PRODCH_END TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ECRM_CRMCONTRACTPOSX_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_ECRM_CRMCONTRACTPOSX_STR-GUID_H sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-GUID_I sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-UPDATEFLAG sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-PARTNER sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-BUAG_ID sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-ISUCONTRACT sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-ISUCONTRACT_LOGSYS sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-OBJECT_ID sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-NUMBER_INT sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-ORDERED_PROD sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-PRODUCT_GUID sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-PARTNER_GUID sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-BUAG_GUID sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-POD_GUID sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-CANC_PROC sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-CAMPAIGN sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-CAMPAIGN_TO_DATE sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-SALES_ORG_RESP sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-SALES_ORG sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-DISTRIBUTION_CHANNEL sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-SALES_OFFICE sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-SALES_GROUP sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-SERVICE_ORG_RESP sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-SERVICE_ORG sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-PROCESS_TYPE sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-RELTOPREV sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-RELTONEXT sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-PREV_TS_GUID sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-NEXT_TS_GUID sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-CANC_PARTY sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-CANCREASON sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-OUCONT sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-OUCONTRACT_I sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-CHANGE_TICKET1 sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-BUNDLE_CONTRACT sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-BUNDLE_SCORE sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-EXT_REF sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-ACT_SWTCDOC sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-DEACT_SWTCDOC sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-ACT_MSG sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-DEACT_MSG sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-PRODCH_BEG sy-vline 
WA_ECRM_CRMCONTRACTPOSX_STR-PRODCH_END sy-vline      INTO ld_text SEPARATED BY SPACE.

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