ABAP Select data from SAP table CMS_STR_MOV_INS_MAP_CHNG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMS_STR_MOV_INS_MAP_CHNG
*  INTO TABLE @DATA(IT_CMS_STR_MOV_INS_MAP_CHNG2).
*--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_CMS_STR_MOV_INS_MAP_CHNG INDEX 1 INTO DATA(WA_CMS_STR_MOV_INS_MAP_CHNG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMS_STR_MOV_INS_MAP_CHNG>-INS_TYP = 1.
<CMS_STR_MOV_INS_MAP_CHNG>-INS_ID = 1.
<CMS_STR_MOV_INS_MAP_CHNG>-INS_DESC = 1.
<CMS_STR_MOV_INS_MAP_CHNG>-INSUR_TAX_DB = 1.
<CMS_STR_MOV_INS_MAP_CHNG>-SETLMNT_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMS_STR_MOV_INS_MAP_CHNG-PRM_RT, sy-vline,
  WA_CMS_STR_MOV_INS_MAP_CHNG-INSUR_PREMIUM, sy-vline,
  WA_CMS_STR_MOV_INS_MAP_CHNG-INSUR_PRM_CURR, sy-vline,
  WA_CMS_STR_MOV_INS_MAP_CHNG-INSUR_TAX_RT, sy-vline,
  WA_CMS_STR_MOV_INS_MAP_CHNG-INSUR_TAX_AMT, sy-vline,
  WA_CMS_STR_MOV_INS_MAP_CHNG-INSUR_TAX_CURR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMS_STR_MOV_INS_MAP_CHNG 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_CMS_STR_MOV_INS_MAP_CHNG 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_CMS_STR_MOV_INS_MAP_CHNG INTO WA_CMS_STR_MOV_INS_MAP_CHNG.


*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 EXT_ITM_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMS_STR_MOV_INS_MAP_CHNG-EXT_ITM_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMS_STR_MOV_INS_MAP_CHNG-EXT_ITM_NO.
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_CMS_STR_MOV_INS_MAP_CHNG_STR, 
INS_TYP TYPE STRING,
INS_ID TYPE STRING,
INS_DESC TYPE STRING,
INSUR_TAX_DB TYPE STRING,
SETLMNT_TYPE TYPE STRING,
PRM_RT TYPE STRING,
INSUR_PREMIUM TYPE STRING,
INSUR_PRM_CURR TYPE STRING,
INSUR_TAX_RT TYPE STRING,
INSUR_TAX_AMT TYPE STRING,
INSUR_TAX_CURR TYPE STRING,
SCOPE_INS_COVER TYPE STRING,
EXT_ITM_NO TYPE STRING,
EXT_REFERENCE TYPE STRING,
INSUR_SUM TYPE STRING,
INSUR_CURR TYPE STRING,
INS_STRT_DAT TYPE STRING,
INSUR_EXPY_DAT TYPE STRING,
REQD_INSUR_CVR TYPE STRING,
REQD_INSUR_CURR TYPE STRING,
INSURER_NAM TYPE STRING,
INSURER_INF TYPE STRING,
COVER_MKT TYPE STRING,
SHARE_CVR_MKT TYPE STRING,
SH_CVR_MKT_CUR TYPE STRING,
CONTACT_FIRM TYPE STRING,
CONTACT_PARTNER TYPE STRING,
FOP TYPE STRING,
FREQ_UNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMS_STR_MOV_INS_MAP_CHNG_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_CMS_STR_MOV_INS_MAP_CHNG_STR-INS_TYP sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-INS_ID sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-INS_DESC sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-INSUR_TAX_DB sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-SETLMNT_TYPE sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-PRM_RT sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-INSUR_PREMIUM sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-INSUR_PRM_CURR sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-INSUR_TAX_RT sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-INSUR_TAX_AMT sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-INSUR_TAX_CURR sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-SCOPE_INS_COVER sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-EXT_ITM_NO sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-EXT_REFERENCE sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-INSUR_SUM sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-INSUR_CURR sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-INS_STRT_DAT sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-INSUR_EXPY_DAT sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-REQD_INSUR_CVR sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-REQD_INSUR_CURR sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-INSURER_NAM sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-INSURER_INF sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-COVER_MKT sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-SHARE_CVR_MKT sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-SH_CVR_MKT_CUR sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-CONTACT_FIRM sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-CONTACT_PARTNER sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-FOP sy-vline 
WA_CMS_STR_MOV_INS_MAP_CHNG_STR-FREQ_UNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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