ABAP Select data from SAP table /MVA/AMCYBMPROC_BM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MVA/AMCYBMPROC_BM
*  INTO TABLE @DATA(IT_/MVA/AMCYBMPROC_BM2).
*--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_/MVA/AMCYBMPROC_BM INDEX 1 INTO DATA(WA_/MVA/AMCYBMPROC_BM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MVA/AMCYBMPROC_BM>-CLIENT = 1.
</MVA/AMCYBMPROC_BM>-BM_ID = 1.
</MVA/AMCYBMPROC_BM>-JOURNALNO_ID = 1.
</MVA/AMCYBMPROC_BM>-EFFECTIVITY_DT = 1.
</MVA/AMCYBMPROC_BM>-YODINT_DT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MVA/AMCYBMPROC_BM-YODEXT_DT, sy-vline,
  WA_/MVA/AMCYBMPROC_BM-DISCINT_DT, sy-vline,
  WA_/MVA/AMCYBMPROC_BM-DISCEXT_DT, sy-vline,
  WA_/MVA/AMCYBMPROC_BM-ADDONINT_ID, sy-vline,
  WA_/MVA/AMCYBMPROC_BM-ADDONEXT_ID, sy-vline,
  WA_/MVA/AMCYBMPROC_BM-PERIODBEGIN_DT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MVA/AMCYBMPROC_BM 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_/MVA/AMCYBMPROC_BM 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_/MVA/AMCYBMPROC_BM INTO WA_/MVA/AMCYBMPROC_BM.


*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_/MVA/AMCYBMPROC_BM_STR, 
CLIENT TYPE STRING,
BM_ID TYPE STRING,
JOURNALNO_ID TYPE STRING,
EFFECTIVITY_DT TYPE STRING,
YODINT_DT TYPE STRING,
YODEXT_DT TYPE STRING,
DISCINT_DT TYPE STRING,
DISCEXT_DT TYPE STRING,
ADDONINT_ID TYPE STRING,
ADDONEXT_ID TYPE STRING,
PERIODBEGIN_DT TYPE STRING,
PERIODEND_DT TYPE STRING,
BREAKDAYSINT_AM TYPE STRING,
BREAKDAYSEXT_AM TYPE STRING,
LASTBREAK_AM TYPE STRING,
CLAIMSINT_AM TYPE STRING,
CLAIMSEXT_AM TYPE STRING,
POLEND_DT TYPE STRING,
PREMSTEP_ID TYPE STRING,
PREMSTEPEXT_ID TYPE STRING,
MODCAUSE_ID TYPE STRING,
CLASSREASON_CD TYPE STRING,
BMSTATE_ID TYPE STRING,
PREMMOD_ID TYPE STRING,
RATINGMODINT_ID TYPE STRING,
RATINGMODEXT_ID TYPE STRING,
PREMRATE_VL TYPE STRING,
FIXEDRATING_FG TYPE STRING,
SAVEDCLAIMS_VL TYPE STRING,
PRMRTEXT_VL TYPE STRING,
BMTYPE_CD TYPE STRING,
JOURNALENDNO_ID TYPE STRING,
CHANGEUSR_TT TYPE STRING,
CHANGE_TS TYPE STRING,
RECORDUSR_TT TYPE STRING,
RECORD_TS TYPE STRING,
TECHSTATE_ID TYPE STRING,
CUSTOMER_PM_CI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/MVA/AMCYBMPROC_BM_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_/MVA/AMCYBMPROC_BM_STR-CLIENT sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-BM_ID sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-JOURNALNO_ID sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-EFFECTIVITY_DT sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-YODINT_DT sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-YODEXT_DT sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-DISCINT_DT sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-DISCEXT_DT sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-ADDONINT_ID sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-ADDONEXT_ID sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-PERIODBEGIN_DT sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-PERIODEND_DT sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-BREAKDAYSINT_AM sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-BREAKDAYSEXT_AM sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-LASTBREAK_AM sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-CLAIMSINT_AM sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-CLAIMSEXT_AM sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-POLEND_DT sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-PREMSTEP_ID sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-PREMSTEPEXT_ID sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-MODCAUSE_ID sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-CLASSREASON_CD sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-BMSTATE_ID sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-PREMMOD_ID sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-RATINGMODINT_ID sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-RATINGMODEXT_ID sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-PREMRATE_VL sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-FIXEDRATING_FG sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-SAVEDCLAIMS_VL sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-PRMRTEXT_VL sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-BMTYPE_CD sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-JOURNALENDNO_ID sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-CHANGEUSR_TT sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-CHANGE_TS sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-RECORDUSR_TT sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-RECORD_TS sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-TECHSTATE_ID sy-vline 
WA_/MVA/AMCYBMPROC_BM_STR-CUSTOMER_PM_CI sy-vline      INTO ld_text SEPARATED BY SPACE.

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