ABAP Select data from SAP table /PMG/GE_FCS_MP_PROJTAX_PP 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_FCS_MP_PROJTAX_PP 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_FCS_MP_PROJTAX_PP. 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_FCS_MP_PROJTAX_PP 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_FCS_MP_PROJTAX_PP TYPE STANDARD TABLE OF /PMG/GE_FCS_MP_PROJTAX_PP,
      WA_/PMG/GE_FCS_MP_PROJTAX_PP TYPE /PMG/GE_FCS_MP_PROJTAX_PP,
      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_FCS_MP_PROJTAX_PP> TYPE /PMG/GE_FCS_MP_PROJTAX_PP.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PMG/GE_FCS_MP_PROJTAX_PP
*  INTO TABLE @DATA(IT_/PMG/GE_FCS_MP_PROJTAX_PP2).
*--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_FCS_MP_PROJTAX_PP INDEX 1 INTO DATA(WA_/PMG/GE_FCS_MP_PROJTAX_PP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PMG/GE_FCS_MP_PROJTAX_PP>-WA_PROJTAX_PP = 1.
</PMG/GE_FCS_MP_PROJTAX_PP>-LOSSTYPE_CD = 1.
</PMG/GE_FCS_MP_PROJTAX_PP>-TAXTYPE_CD = 1.
</PMG/GE_FCS_MP_PROJTAX_PP>-TAXBASE_CD = 1.
</PMG/GE_FCS_MP_PROJTAX_PP>-TAXBEGIN_DT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PMG/GE_FCS_MP_PROJTAX_PP-TAXEND_DT, sy-vline,
  WA_/PMG/GE_FCS_MP_PROJTAX_PP-TAXBASE_AM, sy-vline,
  WA_/PMG/GE_FCS_MP_PROJTAX_PP-VALOFTAXBASE_AM, sy-vline,
  WA_/PMG/GE_FCS_MP_PROJTAX_PP-TAXRATE_VL, sy-vline,
  WA_/PMG/GE_FCS_MP_PROJTAX_PP-TAX_AM, sy-vline,
  WA_/PMG/GE_FCS_MP_PROJTAX_PP-CURRENCY_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PMG/GE_FCS_MP_PROJTAX_PP 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_FCS_MP_PROJTAX_PP 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_FCS_MP_PROJTAX_PP INTO WA_/PMG/GE_FCS_MP_PROJTAX_PP.


*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 BP_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PMG/GE_FCS_MP_PROJTAX_PP-BP_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PMG/GE_FCS_MP_PROJTAX_PP-BP_ID.
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_FCS_MP_PROJTAX_PP_STR, 
WA_PROJTAX_PP TYPE STRING,
LOSSTYPE_CD TYPE STRING,
TAXTYPE_CD TYPE STRING,
TAXBASE_CD TYPE STRING,
TAXBEGIN_DT TYPE STRING,
TAXEND_DT TYPE STRING,
TAXBASE_AM TYPE STRING,
VALOFTAXBASE_AM TYPE STRING,
TAXRATE_VL TYPE STRING,
TAX_AM TYPE STRING,
CURRENCY_ID TYPE STRING,
TAXUSAGE_ID TYPE STRING,
TAXCODE_ID TYPE STRING,
BP_ID TYPE STRING,
COUNTRY_CD TYPE STRING,
REGION_CD TYPE STRING,
CUSTOMER_PL_CI TYPE STRING,
ELEMENTPROD_TT TYPE STRING,
LOSSTYPE_TT TYPE STRING,
PM_ID TYPE STRING,
TAXBASE_TT TYPE STRING,
TAXTYPE_TT TYPE STRING,
CUSTOMER_TL_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,
PROJEC_ID TYPE STRING,
PROJTAX_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PMG/GE_FCS_MP_PROJTAX_PP_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_FCS_MP_PROJTAX_PP_STR-WA_PROJTAX_PP sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-LOSSTYPE_CD sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-TAXTYPE_CD sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-TAXBASE_CD sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-TAXBEGIN_DT sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-TAXEND_DT sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-TAXBASE_AM sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-VALOFTAXBASE_AM sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-TAXRATE_VL sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-TAX_AM sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-CURRENCY_ID sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-TAXUSAGE_ID sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-TAXCODE_ID sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-BP_ID sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-COUNTRY_CD sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-REGION_CD sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-CUSTOMER_PL_CI sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-ELEMENTPROD_TT sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-LOSSTYPE_TT sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-PM_ID sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-TAXBASE_TT sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-TAXTYPE_TT sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-CUSTOMER_TL_CI sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-BO_ID sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-POLICY_ID sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-PPDPAC_ID sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-POLICYPRODUCT_ID sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-COVPAC_ID sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-COVERAGE_ID sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-PROJEC_ID sy-vline 
WA_/PMG/GE_FCS_MP_PROJTAX_PP_STR-PROJTAX_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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