ABAP Select data from SAP table E1BP1198_SR_RCGAPIDF into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP E1BP1198_SR_RCGAPIDF 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 E1BP1198_SR_RCGAPIDF. 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 E1BP1198_SR_RCGAPIDF 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_E1BP1198_SR_RCGAPIDF TYPE STANDARD TABLE OF E1BP1198_SR_RCGAPIDF,
      WA_E1BP1198_SR_RCGAPIDF TYPE E1BP1198_SR_RCGAPIDF,
      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: <E1BP1198_SR_RCGAPIDF> TYPE E1BP1198_SR_RCGAPIDF.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_E1BP1198_SR_RCGAPIDF.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM E1BP1198_SR_RCGAPIDF
  INTO TABLE IT_E1BP1198_SR_RCGAPIDF.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM E1BP1198_SR_RCGAPIDF
*  INTO TABLE @DATA(IT_E1BP1198_SR_RCGAPIDF2).
*--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_E1BP1198_SR_RCGAPIDF INDEX 1 INTO DATA(WA_E1BP1198_SR_RCGAPIDF2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_E1BP1198_SR_RCGAPIDF ASSIGNING <E1BP1198_SR_RCGAPIDF>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<E1BP1198_SR_RCGAPIDF>-IDENTIFIER = 1.
<E1BP1198_SR_RCGAPIDF>-PARENT_CHANGE_NO = 1.
<E1BP1198_SR_RCGAPIDF>-ERRORMODE = 1.
<E1BP1198_SR_RCGAPIDF>-COUNTER = 1.
<E1BP1198_SR_RCGAPIDF>-MESSAGE_ID = 1.

ENDLOOP.

LOOP AT IT_E1BP1198_SR_RCGAPIDF INTO WA_E1BP1198_SR_RCGAPIDF.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_E1BP1198_SR_RCGAPIDF-ERRORPARAM, sy-vline,
  WA_E1BP1198_SR_RCGAPIDF-LOGLOCKMOD, sy-vline,
  WA_E1BP1198_SR_RCGAPIDF-EXTINFO, sy-vline,
  WA_E1BP1198_SR_RCGAPIDF-MANDT, sy-vline,
  WA_E1BP1198_SR_RCGAPIDF-RECORD_NO, sy-vline,
  WA_E1BP1198_SR_RCGAPIDF-CHNGSTATUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_E1BP1198_SR_RCGAPIDF 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_E1BP1198_SR_RCGAPIDF 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_E1BP1198_SR_RCGAPIDF INTO WA_E1BP1198_SR_RCGAPIDF.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_E1BP1198_SR_RCGAPIDF_STR, 
IDENTIFIER TYPE STRING,
PARENT_CHANGE_NO TYPE STRING,
ERRORMODE TYPE STRING,
COUNTER TYPE STRING,
MESSAGE_ID TYPE STRING,
ERRORPARAM TYPE STRING,
LOGLOCKMOD TYPE STRING,
EXTINFO TYPE STRING,
MANDT TYPE STRING,
RECORD_NO TYPE STRING,
CHNGSTATUS TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
CHANGE_NO TYPE STRING,
DEL_IND TYPE STRING,
PARK_IND TYPE STRING,
CREATED_ON TYPE STRING,
CREATED_BY TYPE STRING,
CHANGD_ON TYPE STRING,
CHANGD_BY TYPE STRING,
DATAORIGIN TYPE STRING,
DATA_PROV TYPE STRING,
RECORD_NO_ROOT TYPE STRING,
MASTERTABL TYPE STRING,
REF_RECN TYPE STRING,
UD_TXTTYPE TYPE STRING,
SEQUENCE TYPE STRING,
LANGU TYPE STRING,
LANGU_ISO TYPE STRING,
USRDFNDTXT TYPE STRING,
LONG_TEXT TYPE STRING,
DOCUMENT_TYPE TYPE STRING,
DOCUMENT_NUMBER TYPE STRING,
DOCUMENT_VERSION TYPE STRING,
DOCUMENT_PART TYPE STRING,
REF_RECNRH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_E1BP1198_SR_RCGAPIDF_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_E1BP1198_SR_RCGAPIDF_STR-IDENTIFIER sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-PARENT_CHANGE_NO sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-ERRORMODE sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-COUNTER sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-MESSAGE_ID sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-ERRORPARAM sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-LOGLOCKMOD sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-EXTINFO sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-MANDT sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-RECORD_NO sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-CHNGSTATUS sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-VALID_FROM sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-VALID_TO sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-CHANGE_NO sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-DEL_IND sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-PARK_IND sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-CREATED_ON sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-CREATED_BY sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-CHANGD_ON sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-CHANGD_BY sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-DATAORIGIN sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-DATA_PROV sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-RECORD_NO_ROOT sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-MASTERTABL sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-REF_RECN sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-UD_TXTTYPE sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-SEQUENCE sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-LANGU sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-LANGU_ISO sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-USRDFNDTXT sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-LONG_TEXT sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-DOCUMENT_TYPE sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-DOCUMENT_NUMBER sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-DOCUMENT_VERSION sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-DOCUMENT_PART sy-vline 
WA_E1BP1198_SR_RCGAPIDF_STR-REF_RECNRH sy-vline      INTO ld_text SEPARATED BY SPACE.

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