ABAP Select data from SAP table RMXTS_HITLIST_TRIAL2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RMXTS_HITLIST_TRIAL2 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 RMXTS_HITLIST_TRIAL2. 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 RMXTS_HITLIST_TRIAL2 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_RMXTS_HITLIST_TRIAL2 TYPE STANDARD TABLE OF RMXTS_HITLIST_TRIAL2,
      WA_RMXTS_HITLIST_TRIAL2 TYPE RMXTS_HITLIST_TRIAL2,
      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: <RMXTS_HITLIST_TRIAL2> TYPE RMXTS_HITLIST_TRIAL2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RMXTS_HITLIST_TRIAL2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RMXTS_HITLIST_TRIAL2
  INTO TABLE IT_RMXTS_HITLIST_TRIAL2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RMXTS_HITLIST_TRIAL2
*  INTO TABLE @DATA(IT_RMXTS_HITLIST_TRIAL22).
*--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_RMXTS_HITLIST_TRIAL2 INDEX 1 INTO DATA(WA_RMXTS_HITLIST_TRIAL22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RMXTS_HITLIST_TRIAL2 ASSIGNING <RMXTS_HITLIST_TRIAL2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RMXTS_HITLIST_TRIAL2>-TRIALID = 1.
<RMXTS_HITLIST_TRIAL2>-TRIALTYPE = 1.
<RMXTS_HITLIST_TRIAL2>-OBJNR = 1.
<RMXTS_HITLIST_TRIAL2>-TRIALNAME = 1.
<RMXTS_HITLIST_TRIAL2>-PRODUCT = 1.

ENDLOOP.

LOOP AT IT_RMXTS_HITLIST_TRIAL2 INTO WA_RMXTS_HITLIST_TRIAL2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RMXTS_HITLIST_TRIAL2-PLANT, sy-vline,
  WA_RMXTS_HITLIST_TRIAL2-PROJECT, sy-vline,
  WA_RMXTS_HITLIST_TRIAL2-LINE, sy-vline,
  WA_RMXTS_HITLIST_TRIAL2-RESPONSIBLE, sy-vline,
  WA_RMXTS_HITLIST_TRIAL2-ORGID, sy-vline,
  WA_RMXTS_HITLIST_TRIAL2-AUTHGRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RMXTS_HITLIST_TRIAL2 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_RMXTS_HITLIST_TRIAL2 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_RMXTS_HITLIST_TRIAL2 INTO WA_RMXTS_HITLIST_TRIAL2.


*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 TRIALID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RMXTS_HITLIST_TRIAL2-TRIALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMXTS_HITLIST_TRIAL2-TRIALID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RMXTS_HITLIST_TRIAL2-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMXTS_HITLIST_TRIAL2-PRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PROJECT
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_RMXTS_HITLIST_TRIAL2-PROJECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMXTS_HITLIST_TRIAL2-PROJECT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field DURA_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RMXTS_HITLIST_TRIAL2-DURA_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMXTS_HITLIST_TRIAL2-DURA_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RMXTS_HITLIST_TRIAL2-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMXTS_HITLIST_TRIAL2-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RMXTS_HITLIST_TRIAL2-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMXTS_HITLIST_TRIAL2-LOGSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RMXTS_HITLIST_TRIAL2-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMXTS_HITLIST_TRIAL2-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PLNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RMXTS_HITLIST_TRIAL2-PLNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMXTS_HITLIST_TRIAL2-PLNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPER_TRIAL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RMXTS_HITLIST_TRIAL2-SUPER_TRIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMXTS_HITLIST_TRIAL2-SUPER_TRIAL.
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_RMXTS_HITLIST_TRIAL2_STR, 
TRIALID TYPE STRING,
TRIALTYPE TYPE STRING,
OBJNR TYPE STRING,
TRIALNAME TYPE STRING,
PRODUCT TYPE STRING,
PLANT TYPE STRING,
PROJECT TYPE STRING,
LINE TYPE STRING,
RESPONSIBLE TYPE STRING,
ORGID TYPE STRING,
AUTHGRP TYPE STRING,
RECIPE TYPE STRING,
DURA TYPE STRING,
DURA_UNIT TYPE STRING,
BATCH TYPE STRING,
TRIALQTY TYPE STRING,
MEINS TYPE STRING,
DAY_REQ_START TYPE STRING,
DAY_REQ_END TYPE STRING,
DAY_SHD_START TYPE STRING,
DAY_SHD_END TYPE STRING,
DAY_EXE_START TYPE STRING,
DAY_EXE_END TYPE STRING,
ADM_CREA_BY TYPE STRING,
ADM_CREA_AT TYPE STRING,
ADM_CHG_BY TYPE STRING,
ADM_CHG_AT TYPE STRING,
LOGSYS TYPE STRING,
PRODH TYPE STRING,
VTEXT TYPE STRING,
AUFNR TYPE STRING,
PLNUM TYPE STRING,
SUPER_TRIAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RMXTS_HITLIST_TRIAL2_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_RMXTS_HITLIST_TRIAL2_STR-TRIALID sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-TRIALTYPE sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-OBJNR sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-TRIALNAME sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-PRODUCT sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-PLANT sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-PROJECT sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-LINE sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-RESPONSIBLE sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-ORGID sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-AUTHGRP sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-RECIPE sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-DURA sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-DURA_UNIT sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-BATCH sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-TRIALQTY sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-MEINS sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-DAY_REQ_START sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-DAY_REQ_END sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-DAY_SHD_START sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-DAY_SHD_END sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-DAY_EXE_START sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-DAY_EXE_END sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-ADM_CREA_BY sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-ADM_CREA_AT sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-ADM_CHG_BY sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-ADM_CHG_AT sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-LOGSYS sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-PRODH sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-VTEXT sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-AUFNR sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-PLNUM sy-vline 
WA_RMXTS_HITLIST_TRIAL2_STR-SUPER_TRIAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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