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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MVA/AMWFBM
*  INTO TABLE @DATA(IT_/MVA/AMWFBM2).
*--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/AMWFBM INDEX 1 INTO DATA(WA_/MVA/AMWFBM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MVA/AMWFBM>-BO_ID = 1.
</MVA/AMWFBM>-POLICY_ID = 1.
</MVA/AMWFBM>-PPDPAC_ID = 1.
</MVA/AMWFBM>-POLICYPRODUCT_ID = 1.
</MVA/AMWFBM>-COVPAC_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MVA/AMWFBM-COVERAGE_ID, sy-vline,
  WA_/MVA/AMWFBM-/MVA/BM_ID, sy-vline,
  WA_/MVA/AMWFBM-/MVA/AMDABM_OID, sy-vline,
  WA_/MVA/AMWFBM-CANCEL_FG, sy-vline,
  WA_/MVA/AMWFBM-/MVA/BMDATA_ID, sy-vline,
  WA_/MVA/AMWFBM-/MVA/PENDING_FG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MVA/AMWFBM 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/AMWFBM 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/AMWFBM INTO WA_/MVA/AMWFBM.


*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/AMWFBM_STR, 
BO_ID TYPE STRING,
POLICY_ID TYPE STRING,
PPDPAC_ID TYPE STRING,
POLICYPRODUCT_ID TYPE STRING,
COVPAC_ID TYPE STRING,
COVERAGE_ID TYPE STRING,
/MVA/BM_ID TYPE STRING,
/MVA/AMDABM_OID TYPE STRING,
CANCEL_FG TYPE STRING,
/MVA/BMDATA_ID TYPE STRING,
/MVA/PENDING_FG TYPE STRING,
/MVA/PREMRATE_VL TYPE STRING,
PM_ID TYPE STRING,
/MVA/BMJNO_ID TYPE STRING,
/MVA/ASS_MODE_CD TYPE STRING,
/MVA/FRC_ID TYPE STRING,
/MVA/PREMSTEP_ID TYPE STRING,
/MVA/PRSTEXT_ID TYPE STRING,
/MVA/INSURER_ID TYPE STRING,
/MVA/OFFICE_ID TYPE STRING,
/MVA/INSCHECK_VL TYPE STRING,
/MVA/INSUR_TP TYPE STRING,
/MVA/BMSOURCE_CD TYPE STRING,
/MVA/PERIOBEG_DT TYPE STRING,
/MVA/PERIOEND_DT TYPE STRING,
/MVA/CLASSREA_CD TYPE STRING,
/MVA/RISKCODE_CD TYPE STRING,
/MVA/PREMMOD_ID TYPE STRING,
/MVA/TPREMRAT_VL TYPE STRING,
/MVA/BMTYPE_CD TYPE STRING,
/MVA/RATEXT_ID TYPE STRING,
/MVA/RATINT_ID TYPE STRING,
/MVA/BREAKINT_AM TYPE STRING,
/MVA/BREAKEXT_AM TYPE STRING,
/MVA/BREAK_AM TYPE STRING,
/MVA/CLAIMINT_AM TYPE STRING,
/MVA/CLAIMEXT_AM TYPE STRING,
/MVA/CLAIMS_AM TYPE STRING,
/MVA/POLEND_DT TYPE STRING,
/MVA/BEGIN_DT TYPE STRING,
/MVA/DISCINT_DT TYPE STRING,
/MVA/DISCEXT_DT TYPE STRING,
/MVA/ACTINACT_CD TYPE STRING,
/MVA/PRMRTEXT_VL TYPE STRING,
/MVA/ADDONEXT_ID TYPE STRING,
/MVA/ADDONINT_ID TYPE STRING,
/MVA/COVERAGE_ID TYPE STRING,
/MVA/COVPAC_ID TYPE STRING,
/MVA/LICENCE TYPE STRING,
/MVA/LICENCE_FG TYPE STRING,
/MVA/POLICY_ID TYPE STRING,
/MVA/REF_BM_ID TYPE STRING,
/MVA/SEATS_VL TYPE STRING,
/MVA/YODEXT_DT TYPE STRING,
/MVA/YODINT_DT TYPE STRING,
/MVA/DIFFINS_TT TYPE STRING,
/MVA/PAR5REC_FG TYPE STRING,
/MVA/BMINSRL_ID TYPE STRING,
/MVA/ORDERNO_ID TYPE STRING,
CUSTOMER_PM_CI TYPE STRING,
/MVA/ADDONEXT_TT TYPE STRING,
/MVA/ADDONINT_TT TYPE STRING,
/MVA/APPLNR_TT TYPE STRING,
/MVA/BMSOURCE_TT TYPE STRING,
/MVA/BMTYPE_TT TYPE STRING,
/MVA/CFYEXT_VL TYPE STRING,
/MVA/CFYINT_VL TYPE STRING,
/MVA/COMPANYKEY_ID TYPE STRING,
/MVA/FRC_TT TYPE STRING,
/MVA/FSTPREM_FG TYPE STRING,
/MVA/INSURER_TT TYPE STRING,
/MVA/LOCK_FG TYPE STRING,
/MVA/NEW_FG TYPE STRING,
/MVA/PAR5ISSU_FG TYPE STRING,
/MVA/PREMMOD_TT TYPE STRING,
/MVA/PREMRATE_FG TYPE STRING,
/MVA/PREMSTEPEXT_TT TYPE STRING,
/MVA/PREMSTEP_TT TYPE STRING,
/MVA/RATEXT_TT TYPE STRING,
/MVA/RATINT_TT TYPE STRING,
/MVA/REDO_DT TYPE STRING,
/MVA/RESUBMISSION_DT TYPE STRING,
/MVA/SERVICE_TT TYPE STRING,
CUSTOMER_TM_CI TYPE STRING,
PM_ID_VAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/MVA/AMWFBM_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/AMWFBM_STR-BO_ID sy-vline 
WA_/MVA/AMWFBM_STR-POLICY_ID sy-vline 
WA_/MVA/AMWFBM_STR-PPDPAC_ID sy-vline 
WA_/MVA/AMWFBM_STR-POLICYPRODUCT_ID sy-vline 
WA_/MVA/AMWFBM_STR-COVPAC_ID sy-vline 
WA_/MVA/AMWFBM_STR-COVERAGE_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/BM_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/AMDABM_OID sy-vline 
WA_/MVA/AMWFBM_STR-CANCEL_FG sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/BMDATA_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/PENDING_FG sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/PREMRATE_VL sy-vline 
WA_/MVA/AMWFBM_STR-PM_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/BMJNO_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/ASS_MODE_CD sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/FRC_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/PREMSTEP_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/PRSTEXT_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/INSURER_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/OFFICE_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/INSCHECK_VL sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/INSUR_TP sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/BMSOURCE_CD sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/PERIOBEG_DT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/PERIOEND_DT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/CLASSREA_CD sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/RISKCODE_CD sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/PREMMOD_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/TPREMRAT_VL sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/BMTYPE_CD sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/RATEXT_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/RATINT_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/BREAKINT_AM sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/BREAKEXT_AM sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/BREAK_AM sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/CLAIMINT_AM sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/CLAIMEXT_AM sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/CLAIMS_AM sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/POLEND_DT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/BEGIN_DT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/DISCINT_DT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/DISCEXT_DT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/ACTINACT_CD sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/PRMRTEXT_VL sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/ADDONEXT_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/ADDONINT_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/COVERAGE_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/COVPAC_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/LICENCE sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/LICENCE_FG sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/POLICY_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/REF_BM_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/SEATS_VL sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/YODEXT_DT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/YODINT_DT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/DIFFINS_TT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/PAR5REC_FG sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/BMINSRL_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/ORDERNO_ID sy-vline 
WA_/MVA/AMWFBM_STR-CUSTOMER_PM_CI sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/ADDONEXT_TT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/ADDONINT_TT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/APPLNR_TT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/BMSOURCE_TT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/BMTYPE_TT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/CFYEXT_VL sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/CFYINT_VL sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/COMPANYKEY_ID sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/FRC_TT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/FSTPREM_FG sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/INSURER_TT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/LOCK_FG sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/NEW_FG sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/PAR5ISSU_FG sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/PREMMOD_TT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/PREMRATE_FG sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/PREMSTEPEXT_TT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/PREMSTEP_TT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/RATEXT_TT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/RATINT_TT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/REDO_DT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/RESUBMISSION_DT sy-vline 
WA_/MVA/AMWFBM_STR-/MVA/SERVICE_TT sy-vline 
WA_/MVA/AMWFBM_STR-CUSTOMER_TM_CI sy-vline 
WA_/MVA/AMWFBM_STR-PM_ID_VAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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