ABAP Select data from SAP table /PMG/GE_SEL_RS_COVCP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PMG/GE_SEL_RS_COVCP
*  INTO TABLE @DATA(IT_/PMG/GE_SEL_RS_COVCP2).
*--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_/PMG/GE_SEL_RS_COVCP INDEX 1 INTO DATA(WA_/PMG/GE_SEL_RS_COVCP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PMG/GE_SEL_RS_COVCP>-PBSTYP_TT = 1.
</PMG/GE_SEL_RS_COVCP>-REFCOVCP_ID = 1.
</PMG/GE_SEL_RS_COVCP>-REFCOVERAGE_ID = 1.
</PMG/GE_SEL_RS_COVCP>-REFCOVPAC_ID = 1.
</PMG/GE_SEL_RS_COVCP>-REFPOLICYPRODUCT_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PMG/GE_SEL_RS_COVCP-CUSTOMER_TB_CI, sy-vline,
  WA_/PMG/GE_SEL_RS_COVCP-BO_ID, sy-vline,
  WA_/PMG/GE_SEL_RS_COVCP-POLICY_ID, sy-vline,
  WA_/PMG/GE_SEL_RS_COVCP-PPDPAC_ID, sy-vline,
  WA_/PMG/GE_SEL_RS_COVCP-POLICYPRODUCT_ID, sy-vline,
  WA_/PMG/GE_SEL_RS_COVCP-COVPAC_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PMG/GE_SEL_RS_COVCP 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_/PMG/GE_SEL_RS_COVCP 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_/PMG/GE_SEL_RS_COVCP INTO WA_/PMG/GE_SEL_RS_COVCP.


*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 J7PHD, internal->external for field COVCPEND_DT
CALL FUNCTION 'CONVERSION_EXIT_J7PHD_OUTPUT'
  EXPORTING
    input =                      WA_/PMG/GE_SEL_RS_COVCP-COVCPEND_DT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PMG/GE_SEL_RS_COVCP-COVCPEND_DT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit J7PHD, internal->external for field END_DT
CALL FUNCTION 'CONVERSION_EXIT_J7PHD_OUTPUT'
  EXPORTING
    input =                      WA_/PMG/GE_SEL_RS_COVCP-END_DT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PMG/GE_SEL_RS_COVCP-END_DT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COVCPCONR_TT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PMG/GE_SEL_RS_COVCP-COVCPCONR_TT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PMG/GE_SEL_RS_COVCP-COVCPCONR_TT.
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_/PMG/GE_SEL_RS_COVCP_STR, 
PBSTYP_TT TYPE STRING,
REFCOVCP_ID TYPE STRING,
REFCOVERAGE_ID TYPE STRING,
REFCOVPAC_ID TYPE STRING,
REFPOLICYPRODUCT_ID TYPE STRING,
CUSTOMER_TB_CI TYPE STRING,
BO_ID TYPE STRING,
POLICY_ID TYPE STRING,
PPDPAC_ID TYPE STRING,
POLICYPRODUCT_ID TYPE STRING,
COVPAC_ID TYPE STRING,
COVERAGE_ID TYPE STRING,
COVCP_ID TYPE STRING,
LPBSTYP_TT TYPE STRING,
TARGRPB_TT TYPE STRING,
CUSTOMER_TL_CI TYPE STRING,
LOB_CD TYPE STRING,
COVCPBEG_DT TYPE STRING,
COVCPEND_DT TYPE STRING,
COVNUM_VL TYPE STRING,
COVCPNUM_VL TYPE STRING,
PM_ID TYPE STRING,
CURR_ID TYPE STRING,
CUSTOMER_PB_CI TYPE STRING,
GENERATION_DT TYPE STRING,
GENERATIO_DET_DT TYPE STRING,
MODULETYPE_CD TYPE STRING,
PMST_CD TYPE STRING,
GENERATION_VL TYPE STRING,
PREMDISCRATE_VL TYPE STRING,
CURRENCY_ID TYPE STRING,
TRANSEXPREPPR_AM TYPE STRING,
TARGRPB_CD TYPE STRING,
REDACQCOST_AM TYPE STRING,
CUSTOMER_PL_CI TYPE STRING,
POLICYNR_TT TYPE STRING,
NAME_TT TYPE STRING,
GENERATED_ID TYPE STRING,
COVCPCOTP_CD TYPE STRING,
RANK_VL TYPE STRING,
BEGIN_DT TYPE STRING,
END_DT TYPE STRING,
INSAMOUNT_VL TYPE STRING,
INSAMTP_CD TYPE STRING,
COVCPCONR_TT TYPE STRING,
COVCPCOTP_TT TYPE STRING,
INSAMTP_TT TYPE STRING,
PMID_TT TYPE STRING,
PROCESSSTATUS_FG TYPE STRING,
RANK_TT TYPE STRING,
/PMG/PBSTYP_TT TYPE STRING,
COVCPCO_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PMG/GE_SEL_RS_COVCP_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_/PMG/GE_SEL_RS_COVCP_STR-PBSTYP_TT sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-REFCOVCP_ID sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-REFCOVERAGE_ID sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-REFCOVPAC_ID sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-REFPOLICYPRODUCT_ID sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-CUSTOMER_TB_CI sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-BO_ID sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-POLICY_ID sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-PPDPAC_ID sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-POLICYPRODUCT_ID sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-COVPAC_ID sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-COVERAGE_ID sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-COVCP_ID sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-LPBSTYP_TT sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-TARGRPB_TT sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-CUSTOMER_TL_CI sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-LOB_CD sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-COVCPBEG_DT sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-COVCPEND_DT sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-COVNUM_VL sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-COVCPNUM_VL sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-PM_ID sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-CURR_ID sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-CUSTOMER_PB_CI sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-GENERATION_DT sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-GENERATIO_DET_DT sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-MODULETYPE_CD sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-PMST_CD sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-GENERATION_VL sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-PREMDISCRATE_VL sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-CURRENCY_ID sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-TRANSEXPREPPR_AM sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-TARGRPB_CD sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-REDACQCOST_AM sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-CUSTOMER_PL_CI sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-POLICYNR_TT sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-NAME_TT sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-GENERATED_ID sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-COVCPCOTP_CD sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-RANK_VL sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-BEGIN_DT sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-END_DT sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-INSAMOUNT_VL sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-INSAMTP_CD sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-COVCPCONR_TT sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-COVCPCOTP_TT sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-INSAMTP_TT sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-PMID_TT sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-PROCESSSTATUS_FG sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-RANK_TT sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-/PMG/PBSTYP_TT sy-vline 
WA_/PMG/GE_SEL_RS_COVCP_STR-COVCPCO_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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