ABAP Select data from SAP table EAM_CC_DOC_FLOW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EAM_CC_DOC_FLOW
*  INTO TABLE @DATA(IT_EAM_CC_DOC_FLOW2).
*--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_EAM_CC_DOC_FLOW INDEX 1 INTO DATA(WA_EAM_CC_DOC_FLOW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EAM_CC_DOC_FLOW>-BLART_EAM = 1.
<EAM_CC_DOC_FLOW>-MATNR_EAM = 1.
<EAM_CC_DOC_FLOW>-QMTXT = 1.
<EAM_CC_DOC_FLOW>-STEUS = 1.
<EAM_CC_DOC_FLOW>-KUN_LIEF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EAM_CC_DOC_FLOW-BAUTL, sy-vline,
  WA_EAM_CC_DOC_FLOW-EQUNR, sy-vline,
  WA_EAM_CC_DOC_FLOW-TPLNR, sy-vline,
  WA_EAM_CC_DOC_FLOW-MENGE, sy-vline,
  WA_EAM_CC_DOC_FLOW-MEINS_EAM, sy-vline,
  WA_EAM_CC_DOC_FLOW-LGORT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EAM_CC_DOC_FLOW 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_EAM_CC_DOC_FLOW 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_EAM_CC_DOC_FLOW INTO WA_EAM_CC_DOC_FLOW.


*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 MATN1, internal->external for field BAUTL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_EAM_CC_DOC_FLOW-BAUTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAM_CC_DOC_FLOW-BAUTL.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit TPLNR, internal->external for field TPLNR
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_EAM_CC_DOC_FLOW-TPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAM_CC_DOC_FLOW-TPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS_EAM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EAM_CC_DOC_FLOW-MEINS_EAM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAM_CC_DOC_FLOW-MEINS_EAM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field UVORN
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_EAM_CC_DOC_FLOW-UVORN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAM_CC_DOC_FLOW-UVORN.
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_EAM_CC_DOC_FLOW_STR, 
BLART_EAM TYPE STRING,
MATNR_EAM TYPE STRING,
QMTXT TYPE STRING,
STEUS TYPE STRING,
KUN_LIEF TYPE STRING,
BAUTL TYPE STRING,
EQUNR TYPE STRING,
TPLNR TYPE STRING,
MENGE TYPE STRING,
MEINS_EAM TYPE STRING,
LGORT TYPE STRING,
DWERK TYPE STRING,
ARBPL TYPE STRING,
STRMN TYPE STRING,
STRZT TYPE STRING,
LTRMN TYPE STRING,
LTRZT TYPE STRING,
EKGRP TYPE STRING,
EKORG TYPE STRING,
AFNAM TYPE STRING,
ILART TYPE STRING,
ASTTX TYPE STRING,
EPSTP TYPE STRING,
MATKL TYPE STRING,
REFNR_EAM TYPE STRING,
BWART_EAM TYPE STRING,
MPTYP TYPE STRING,
STRAT TYPE STRING,
UVORN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EAM_CC_DOC_FLOW_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_EAM_CC_DOC_FLOW_STR-BLART_EAM sy-vline 
WA_EAM_CC_DOC_FLOW_STR-MATNR_EAM sy-vline 
WA_EAM_CC_DOC_FLOW_STR-QMTXT sy-vline 
WA_EAM_CC_DOC_FLOW_STR-STEUS sy-vline 
WA_EAM_CC_DOC_FLOW_STR-KUN_LIEF sy-vline 
WA_EAM_CC_DOC_FLOW_STR-BAUTL sy-vline 
WA_EAM_CC_DOC_FLOW_STR-EQUNR sy-vline 
WA_EAM_CC_DOC_FLOW_STR-TPLNR sy-vline 
WA_EAM_CC_DOC_FLOW_STR-MENGE sy-vline 
WA_EAM_CC_DOC_FLOW_STR-MEINS_EAM sy-vline 
WA_EAM_CC_DOC_FLOW_STR-LGORT sy-vline 
WA_EAM_CC_DOC_FLOW_STR-DWERK sy-vline 
WA_EAM_CC_DOC_FLOW_STR-ARBPL sy-vline 
WA_EAM_CC_DOC_FLOW_STR-STRMN sy-vline 
WA_EAM_CC_DOC_FLOW_STR-STRZT sy-vline 
WA_EAM_CC_DOC_FLOW_STR-LTRMN sy-vline 
WA_EAM_CC_DOC_FLOW_STR-LTRZT sy-vline 
WA_EAM_CC_DOC_FLOW_STR-EKGRP sy-vline 
WA_EAM_CC_DOC_FLOW_STR-EKORG sy-vline 
WA_EAM_CC_DOC_FLOW_STR-AFNAM sy-vline 
WA_EAM_CC_DOC_FLOW_STR-ILART sy-vline 
WA_EAM_CC_DOC_FLOW_STR-ASTTX sy-vline 
WA_EAM_CC_DOC_FLOW_STR-EPSTP sy-vline 
WA_EAM_CC_DOC_FLOW_STR-MATKL sy-vline 
WA_EAM_CC_DOC_FLOW_STR-REFNR_EAM sy-vline 
WA_EAM_CC_DOC_FLOW_STR-BWART_EAM sy-vline 
WA_EAM_CC_DOC_FLOW_STR-MPTYP sy-vline 
WA_EAM_CC_DOC_FLOW_STR-STRAT sy-vline 
WA_EAM_CC_DOC_FLOW_STR-UVORN sy-vline      INTO ld_text SEPARATED BY SPACE.

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