ABAP Select data from SAP table ROIUY1_TX_AM1A_DL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ROIUY1_TX_AM1A_DL 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 ROIUY1_TX_AM1A_DL. 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 ROIUY1_TX_AM1A_DL 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_ROIUY1_TX_AM1A_DL TYPE STANDARD TABLE OF ROIUY1_TX_AM1A_DL,
      WA_ROIUY1_TX_AM1A_DL TYPE ROIUY1_TX_AM1A_DL,
      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: <ROIUY1_TX_AM1A_DL> TYPE ROIUY1_TX_AM1A_DL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ROIUY1_TX_AM1A_DL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ROIUY1_TX_AM1A_DL
  INTO TABLE IT_ROIUY1_TX_AM1A_DL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIUY1_TX_AM1A_DL
*  INTO TABLE @DATA(IT_ROIUY1_TX_AM1A_DL2).
*--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_ROIUY1_TX_AM1A_DL INDEX 1 INTO DATA(WA_ROIUY1_TX_AM1A_DL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ROIUY1_TX_AM1A_DL ASSIGNING <ROIUY1_TX_AM1A_DL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIUY1_TX_AM1A_DL>-PROGRAM_NM = 1.
<ROIUY1_TX_AM1A_DL>-BATCH_NO = 1.
<ROIUY1_TX_AM1A_DL>-REC_NO = 1.
<ROIUY1_TX_AM1A_DL>-FILLER_0 = 1.
<ROIUY1_TX_AM1A_DL>-REC_LENGTH = 1.

ENDLOOP.

LOOP AT IT_ROIUY1_TX_AM1A_DL INTO WA_ROIUY1_TX_AM1A_DL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIUY1_TX_AM1A_DL-REC_TYPE, sy-vline,
  WA_ROIUY1_TX_AM1A_DL-FOLDER, sy-vline,
  WA_ROIUY1_TX_AM1A_DL-GROUP_NO, sy-vline,
  WA_ROIUY1_TX_AM1A_DL-PROD_MM, sy-vline,
  WA_ROIUY1_TX_AM1A_DL-PROD_YY, sy-vline,
  WA_ROIUY1_TX_AM1A_DL-LAND_ACCT_NO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIUY1_TX_AM1A_DL 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_ROIUY1_TX_AM1A_DL 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_ROIUY1_TX_AM1A_DL INTO WA_ROIUY1_TX_AM1A_DL.


*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_ROIUY1_TX_AM1A_DL_STR, 
PROGRAM_NM TYPE STRING,
BATCH_NO TYPE STRING,
REC_NO TYPE STRING,
FILLER_0 TYPE STRING,
REC_LENGTH TYPE STRING,
REC_TYPE TYPE STRING,
FOLDER TYPE STRING,
GROUP_NO TYPE STRING,
PROD_MM TYPE STRING,
PROD_YY TYPE STRING,
LAND_ACCT_NO TYPE STRING,
ST_LEASE TYPE STRING,
TRANS_CODE TYPE STRING,
RPT_TYPE TYPE STRING,
UNIT_NO TYPE STRING,
CODE TYPE STRING,
CLASS TYPE STRING,
CO_NM TYPE STRING,
CO_NO TYPE STRING,
OIL_CONDENSATE TYPE STRING,
ROY_PAY_BY TYPE STRING,
FL_NM TYPE STRING,
LSE_NM1 TYPE STRING,
LSE_NM2 TYPE STRING,
LSE_NM3 TYPE STRING,
RPT_REC_TYPE TYPE STRING,
GROSSPROD_O TYPE STRING,
FILLER_1 TYPE STRING,
GROSSPROD_N TYPE STRING,
FILLER_2 TYPE STRING,
GR_VOL_NET TYPE STRING,
FILLER_3 TYPE STRING,
PIPELINE_O TYPE STRING,
FILLER_4 TYPE STRING,
PIPELINE_N TYPE STRING,
FILLER_5 TYPE STRING,
PL_VOL_NET TYPE STRING,
FILLER_6 TYPE STRING,
OTHER_VOLUME_DATA TYPE STRING,
BEGSTK_O TYPE STRING,
FILLER_7 TYPE STRING,
BEGSTK_N TYPE STRING,
FILLER_8 TYPE STRING,
BS_VOL_NET TYPE STRING,
FILLER_9 TYPE STRING,
ENDSTK_O TYPE STRING,
FILLER_10 TYPE STRING,
ENDSTK_N TYPE STRING,
FILLER_11 TYPE STRING,
ES_VOL_NET TYPE STRING,
FILLER_12 TYPE STRING,
NETBARLS_O TYPE STRING,
FILLER_13 TYPE STRING,
NETBARLS_N TYPE STRING,
FILLER_14 TYPE STRING,
NET_BARRL_NET TYPE STRING,
FILLER_15(4) TYPE STRING,
GR_VALUE_NET TYPE STRING,
FILLER_16 TYPE STRING,
API_O TYPE STRING,
FILLER_17 TYPE STRING,
API_N TYPE STRING,
FILLER_18 TYPE STRING,
API_GRV_NET TYPE STRING,
FILLER_19 TYPE STRING,
PRICE_WAS TYPE STRING,
FILLER_20 TYPE STRING,
PRICE_SHOULD TYPE STRING,
FILLER_21 TYPE STRING,
PRICE_NET TYPE STRING,
FILLER_22 TYPE STRING,
MARVALUE_O TYPE STRING,
FILLER_23 TYPE STRING,
MARVALUE_N TYPE STRING,
FILLER_24 TYPE STRING,
ROYDEC_O TYPE STRING,
FILLER_25 TYPE STRING,
ROYDEC_N TYPE STRING,
FILLER_26 TYPE STRING,
ROY_DECIMAL_NET TYPE STRING,
FILLER_27 TYPE STRING,
ROYDUE_O TYPE STRING,
FILLER_28 TYPE STRING,
ROYDUE_N TYPE STRING,
FILLER_30 TYPE STRING,
FILLER_31 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIUY1_TX_AM1A_DL_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_ROIUY1_TX_AM1A_DL_STR-PROGRAM_NM sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-BATCH_NO sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-REC_NO sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_0 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-REC_LENGTH sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-REC_TYPE sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FOLDER sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-GROUP_NO sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-PROD_MM sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-PROD_YY sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-LAND_ACCT_NO sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-ST_LEASE sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-TRANS_CODE sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-RPT_TYPE sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-UNIT_NO sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-CODE sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-CLASS sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-CO_NM sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-CO_NO sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-OIL_CONDENSATE sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-ROY_PAY_BY sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FL_NM sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-LSE_NM1 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-LSE_NM2 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-LSE_NM3 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-RPT_REC_TYPE sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-GROSSPROD_O sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_1 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-GROSSPROD_N sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_2 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-GR_VOL_NET sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_3 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-PIPELINE_O sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_4 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-PIPELINE_N sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_5 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-PL_VOL_NET sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_6 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-OTHER_VOLUME_DATA sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-BEGSTK_O sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_7 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-BEGSTK_N sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_8 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-BS_VOL_NET sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_9 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-ENDSTK_O sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_10 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-ENDSTK_N sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_11 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-ES_VOL_NET sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_12 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-NETBARLS_O sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_13 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-NETBARLS_N sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_14 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-NET_BARRL_NET sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_15(4) sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-GR_VALUE_NET sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_16 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-API_O sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_17 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-API_N sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_18 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-API_GRV_NET sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_19 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-PRICE_WAS sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_20 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-PRICE_SHOULD sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_21 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-PRICE_NET sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_22 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-MARVALUE_O sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_23 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-MARVALUE_N sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_24 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-ROYDEC_O sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_25 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-ROYDEC_N sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_26 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-ROY_DECIMAL_NET sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_27 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-ROYDUE_O sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_28 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-ROYDUE_N sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_30 sy-vline 
WA_ROIUY1_TX_AM1A_DL_STR-FILLER_31 sy-vline      INTO ld_text SEPARATED BY SPACE.

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