ABAP Select data from SAP table RCV_STR_DYN_REC_DET_HDS_SOURCE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RCV_STR_DYN_REC_DET_HDS_SOURCE
*  INTO TABLE @DATA(IT_RCV_STR_DYN_REC_DET_HDS_SOURCE2).
*--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_RCV_STR_DYN_REC_DET_HDS_SOURCE INDEX 1 INTO DATA(WA_RCV_STR_DYN_REC_DET_HDS_SOURCE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RCV_STR_DYN_REC_DET_HDS_SOURCE>-COTYP = 1.
<RCV_STR_DYN_REC_DET_HDS_SOURCE>-GPART = 1.
<RCV_STR_DYN_REC_DET_HDS_SOURCE>-GPART_GUID = 1.
<RCV_STR_DYN_REC_DET_HDS_SOURCE>-ORG_GPART = 1.
<RCV_STR_DYN_REC_DET_HDS_SOURCE>-ORG_GPART_GUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RCV_STR_DYN_REC_DET_HDS_SOURCE-VKONT, sy-vline,
  WA_RCV_STR_DYN_REC_DET_HDS_SOURCE-VTREF, sy-vline,
  WA_RCV_STR_DYN_REC_DET_HDS_SOURCE-DATA1, sy-vline,
  WA_RCV_STR_DYN_REC_DET_HDS_SOURCE-DATA2, sy-vline,
  WA_RCV_STR_DYN_REC_DET_HDS_SOURCE-DATA3, sy-vline,
  WA_RCV_STR_DYN_REC_DET_HDS_SOURCE-DATA4, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RCV_STR_DYN_REC_DET_HDS_SOURCE 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_RCV_STR_DYN_REC_DET_HDS_SOURCE 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_RCV_STR_DYN_REC_DET_HDS_SOURCE INTO WA_RCV_STR_DYN_REC_DET_HDS_SOURCE.


*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 GPART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RCV_STR_DYN_REC_DET_HDS_SOURCE-GPART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCV_STR_DYN_REC_DET_HDS_SOURCE-GPART.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_RCV_STR_DYN_REC_DET_HDS_SOURCE-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCV_STR_DYN_REC_DET_HDS_SOURCE-SPRAS.
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_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR, 
COTYP TYPE STRING,
GPART TYPE STRING,
GPART_GUID TYPE STRING,
ORG_GPART TYPE STRING,
ORG_GPART_GUID TYPE STRING,
VKONT TYPE STRING,
VTREF TYPE STRING,
DATA1 TYPE STRING,
DATA2 TYPE STRING,
DATA3 TYPE STRING,
DATA4 TYPE STRING,
CSORT TYPE STRING,
LAUFD TYPE STRING,
LAUFI TYPE STRING,
SPRAS TYPE STRING,
SALWA TYPE STRING,
SALBE TYPE STRING,
BUKRS TYPE STRING,
CORR_ROLE TYPE STRING,
XTRIAL TYPE STRING,
SUBAP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_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_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-COTYP sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-GPART sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-GPART_GUID sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-ORG_GPART sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-ORG_GPART_GUID sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-VKONT sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-VTREF sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-DATA1 sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-DATA2 sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-DATA3 sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-DATA4 sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-CSORT sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-LAUFD sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-LAUFI sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-SPRAS sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-SALWA sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-SALBE sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-BUKRS sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-CORR_ROLE sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-XTRIAL sy-vline 
WA_RCV_STR_DYN_REC_DET_HDS_SOURCE_STR-SUBAP sy-vline      INTO ld_text SEPARATED BY SPACE.

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