ABAP Select data from SAP table CRMT_ISX_EDR_CRM_STR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CRMT_ISX_EDR_CRM_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 CRMT_ISX_EDR_CRM_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 CRMT_ISX_EDR_CRM_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_CRMT_ISX_EDR_CRM_STR TYPE STANDARD TABLE OF CRMT_ISX_EDR_CRM_STR,
      WA_CRMT_ISX_EDR_CRM_STR TYPE CRMT_ISX_EDR_CRM_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: <CRMT_ISX_EDR_CRM_STR> TYPE CRMT_ISX_EDR_CRM_STR.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_ISX_EDR_CRM_STR
*  INTO TABLE @DATA(IT_CRMT_ISX_EDR_CRM_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_CRMT_ISX_EDR_CRM_STR INDEX 1 INTO DATA(WA_CRMT_ISX_EDR_CRM_STR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_ISX_EDR_CRM_STR>-BITSTATUS = 1.
<CRMT_ISX_EDR_CRM_STR>-BILLDOCNO = 1.
<CRMT_ISX_EDR_CRM_STR>-BIT_GRPNO = 1.
<CRMT_ISX_EDR_CRM_STR>-BITBILLCNO = 1.
<CRMT_ISX_EDR_CRM_STR>-BILLCRDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_ISX_EDR_CRM_STR-SRCTATYPE, sy-vline,
  WA_CRMT_ISX_EDR_CRM_STR-SRCTATYPE_TXT, sy-vline,
  WA_CRMT_ISX_EDR_CRM_STR-SRCTAID, sy-vline,
  WA_CRMT_ISX_EDR_CRM_STR-BITPACKUUID, sy-vline,
  WA_CRMT_ISX_EDR_CRM_STR-BITPACKCNO, sy-vline,
  WA_CRMT_ISX_EDR_CRM_STR-SUBPROCESS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_ISX_EDR_CRM_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_CRMT_ISX_EDR_CRM_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_CRMT_ISX_EDR_CRM_STR INTO WA_CRMT_ISX_EDR_CRM_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 ALPHA, internal->external for field BUAG_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_ISX_EDR_CRM_STR-BUAG_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_ISX_EDR_CRM_STR-BUAG_ID.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_ISX_EDR_CRM_STR-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_ISX_EDR_CRM_STR-LOGSYS.
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_CRMT_ISX_EDR_CRM_STR_STR, 
BITSTATUS TYPE STRING,
BILLDOCNO TYPE STRING,
BIT_GRPNO TYPE STRING,
BITBILLCNO TYPE STRING,
BILLCRDATE TYPE STRING,
SRCTATYPE TYPE STRING,
SRCTATYPE_TXT TYPE STRING,
SRCTAID TYPE STRING,
BITPACKUUID TYPE STRING,
BITPACKCNO TYPE STRING,
SUBPROCESS TYPE STRING,
SUBPROCESS_DESC TYPE STRING,
BITCAT TYPE STRING,
BITCAT_TXT TYPE STRING,
EDRTYPE TYPE STRING,
EDRTYPE_DESC TYPE STRING,
BUAG_ID TYPE STRING,
ACCOUNT_ID TYPE STRING,
VTREF TYPE STRING,
VTPOS TYPE STRING,
SUBAP TYPE STRING,
PPACC TYPE STRING,
PREPAID TYPE STRING,
EDRDATE TYPE STRING,
EDRTIME TYPE STRING,
BITDATE_FROM TYPE STRING,
BITDATE_TO TYPE STRING,
EDRCRDATE TYPE STRING,
EDRCRTIME TYPE STRING,
AMOUNT TYPE STRING,
CURRENCY TYPE STRING,
BIT_AMOUNT_ORIG TYPE STRING,
SIMULATED TYPE STRING,
BITREVERSAL TYPE STRING,
BITREVERSED TYPE STRING,
BILLREVERSAL TYPE STRING,
BILLREVERSED TYPE STRING,
BILLDOCNO_PRE TYPE STRING,
TAX_INCLUDED TYPE STRING,
INVDOCNO TYPE STRING,
INVDOCITEM TYPE STRING,
OBJTYPE TYPE STRING,
LOGSYS TYPE STRING,
TEXT TYPE STRING,
ISX_EDR_DUMMY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_ISX_EDR_CRM_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_CRMT_ISX_EDR_CRM_STR_STR-BITSTATUS sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-BILLDOCNO sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-BIT_GRPNO sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-BITBILLCNO sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-BILLCRDATE sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-SRCTATYPE sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-SRCTATYPE_TXT sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-SRCTAID sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-BITPACKUUID sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-BITPACKCNO sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-SUBPROCESS sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-SUBPROCESS_DESC sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-BITCAT sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-BITCAT_TXT sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-EDRTYPE sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-EDRTYPE_DESC sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-BUAG_ID sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-ACCOUNT_ID sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-VTREF sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-VTPOS sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-SUBAP sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-PPACC sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-PREPAID sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-EDRDATE sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-EDRTIME sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-BITDATE_FROM sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-BITDATE_TO sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-EDRCRDATE sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-EDRCRTIME sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-AMOUNT sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-CURRENCY sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-BIT_AMOUNT_ORIG sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-SIMULATED sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-BITREVERSAL sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-BITREVERSED sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-BILLREVERSAL sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-BILLREVERSED sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-BILLDOCNO_PRE sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-TAX_INCLUDED sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-INVDOCNO sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-INVDOCITEM sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-OBJTYPE sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-LOGSYS sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-TEXT sy-vline 
WA_CRMT_ISX_EDR_CRM_STR_STR-ISX_EDR_DUMMY sy-vline      INTO ld_text SEPARATED BY SPACE.

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