ABAP Select data from SAP table PTM_DETAIL_2001_MNT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PTM_DETAIL_2001_MNT 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 PTM_DETAIL_2001_MNT. 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 PTM_DETAIL_2001_MNT 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_PTM_DETAIL_2001_MNT TYPE STANDARD TABLE OF PTM_DETAIL_2001_MNT,
      WA_PTM_DETAIL_2001_MNT TYPE PTM_DETAIL_2001_MNT,
      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: <PTM_DETAIL_2001_MNT> TYPE PTM_DETAIL_2001_MNT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PTM_DETAIL_2001_MNT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PTM_DETAIL_2001_MNT
  INTO TABLE IT_PTM_DETAIL_2001_MNT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PTM_DETAIL_2001_MNT
*  INTO TABLE @DATA(IT_PTM_DETAIL_2001_MNT2).
*--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_PTM_DETAIL_2001_MNT INDEX 1 INTO DATA(WA_PTM_DETAIL_2001_MNT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PTM_DETAIL_2001_MNT ASSIGNING <PTM_DETAIL_2001_MNT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PTM_DETAIL_2001_MNT>-BEGDA = 1.
<PTM_DETAIL_2001_MNT>-ENDDA = 1.
<PTM_DETAIL_2001_MNT>-INFTYTEXT = 1.
<PTM_DETAIL_2001_MNT>-TDTYPE = 1.
<PTM_DETAIL_2001_MNT>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_PTM_DETAIL_2001_MNT INTO WA_PTM_DETAIL_2001_MNT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PTM_DETAIL_2001_MNT-BEGUZ, sy-vline,
  WA_PTM_DETAIL_2001_MNT-ENDUZ, sy-vline,
  WA_PTM_DETAIL_2001_MNT-TRFGR, sy-vline,
  WA_PTM_DETAIL_2001_MNT-TRFST, sy-vline,
  WA_PTM_DETAIL_2001_MNT-PRAKN, sy-vline,
  WA_PTM_DETAIL_2001_MNT-PRAKZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PTM_DETAIL_2001_MNT 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_PTM_DETAIL_2001_MNT 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_PTM_DETAIL_2001_MNT INTO WA_PTM_DETAIL_2001_MNT.


*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 TDTYP, internal->external for field TDTYPE
CALL FUNCTION 'CONVERSION_EXIT_TDTYP_OUTPUT'
  EXPORTING
    input =                      WA_PTM_DETAIL_2001_MNT-TDTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTM_DETAIL_2001_MNT-TDTYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PTM_DETAIL_2001_MNT-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTM_DETAIL_2001_MNT-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PTM_DETAIL_2001_MNT-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTM_DETAIL_2001_MNT-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field POSNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_PTM_DETAIL_2001_MNT-POSNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTM_DETAIL_2001_MNT-POSNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NPLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PTM_DETAIL_2001_MNT-NPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTM_DETAIL_2001_MNT-NPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_PTM_DETAIL_2001_MNT-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTM_DETAIL_2001_MNT-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KDAUF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PTM_DETAIL_2001_MNT-KDAUF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTM_DETAIL_2001_MNT-KDAUF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRZNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PTM_DETAIL_2001_MNT-PRZNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTM_DETAIL_2001_MNT-PRZNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PTM_DETAIL_2001_MNT-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTM_DETAIL_2001_MNT-GRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIL, internal->external for field FIPEX
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_PTM_DETAIL_2001_MNT-FIPEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTM_DETAIL_2001_MNT-FIPEX.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SKOST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PTM_DETAIL_2001_MNT-SKOST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTM_DETAIL_2001_MNT-SKOST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SGRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PTM_DETAIL_2001_MNT-SGRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTM_DETAIL_2001_MNT-SGRANT_NBR.
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_PTM_DETAIL_2001_MNT_STR, 
BEGDA TYPE STRING,
ENDDA TYPE STRING,
INFTYTEXT TYPE STRING,
TDTYPE TYPE STRING,
SPRPS TYPE STRING,
BEGUZ TYPE STRING,
ENDUZ TYPE STRING,
TRFGR TYPE STRING,
TRFST TYPE STRING,
PRAKN TYPE STRING,
PRAKZ TYPE STRING,
OTYPE TYPE STRING,
PLANS TYPE STRING,
AUFKZ TYPE STRING,
BWGRL TYPE STRING,
WAERS TYPE STRING,
BUKRS TYPE STRING,
GSBER TYPE STRING,
KOSTL TYPE STRING,
AUFNR TYPE STRING,
KSTRG TYPE STRING,
POSNR TYPE STRING,
NPLNR TYPE STRING,
VORNR TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
PRZNR TYPE STRING,
FISTL TYPE STRING,
GEBER TYPE STRING,
DART TYPE STRING,
UDART TYPE STRING,
FKBER TYPE STRING,
GRANT_NBR TYPE STRING,
FIPEX TYPE STRING,
BUDGET_PD TYPE STRING,
SBUKR TYPE STRING,
SGSBR TYPE STRING,
SKOST TYPE STRING,
LSTAR TYPE STRING,
SGTXT TYPE STRING,
SGEBER TYPE STRING,
SFKBER TYPE STRING,
SGRANT_NBR TYPE STRING,
SBUDGET_PD TYPE STRING,
AWART TYPE STRING,
STDAZ TYPE STRING,
ANRTG TYPE STRING,
LFZED TYPE STRING,
KRGED TYPE STRING,
KBBEG TYPE STRING,
RMDDA TYPE STRING,
KENN1 TYPE STRING,
KENN2 TYPE STRING,
MLDDA TYPE STRING,
MLDUZ TYPE STRING,
RMDUZ TYPE STRING,
VORGS TYPE STRING,
UMSKD TYPE STRING,
UMSCH TYPE STRING,
REFNR TYPE STRING,
UNFAL TYPE STRING,
PSARB TYPE STRING,
ZKMKT TYPE STRING,
PAYTY TYPE STRING,
PAYID TYPE STRING,
BONDT TYPE STRING,
OCRSN TYPE STRING,
SPPE1 TYPE STRING,
SPPE2 TYPE STRING,
SPPE3 TYPE STRING,
SPPIN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PTM_DETAIL_2001_MNT_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_PTM_DETAIL_2001_MNT_STR-BEGDA sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-ENDDA sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-INFTYTEXT sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-TDTYPE sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-SPRPS sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-BEGUZ sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-ENDUZ sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-TRFGR sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-TRFST sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-PRAKN sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-PRAKZ sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-OTYPE sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-PLANS sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-AUFKZ sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-BWGRL sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-WAERS sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-BUKRS sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-GSBER sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-KOSTL sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-AUFNR sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-KSTRG sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-POSNR sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-NPLNR sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-VORNR sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-KDAUF sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-KDPOS sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-PRZNR sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-FISTL sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-GEBER sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-DART sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-UDART sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-FKBER sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-GRANT_NBR sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-FIPEX sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-BUDGET_PD sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-SBUKR sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-SGSBR sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-SKOST sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-LSTAR sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-SGTXT sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-SGEBER sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-SFKBER sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-SGRANT_NBR sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-SBUDGET_PD sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-AWART sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-STDAZ sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-ANRTG sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-LFZED sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-KRGED sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-KBBEG sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-RMDDA sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-KENN1 sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-KENN2 sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-MLDDA sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-MLDUZ sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-RMDUZ sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-VORGS sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-UMSKD sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-UMSCH sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-REFNR sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-UNFAL sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-PSARB sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-ZKMKT sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-PAYTY sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-PAYID sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-BONDT sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-OCRSN sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-SPPE1 sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-SPPE2 sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-SPPE3 sy-vline 
WA_PTM_DETAIL_2001_MNT_STR-SPPIN sy-vline      INTO ld_text SEPARATED BY SPACE.

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