ABAP Select data from SAP table BTCSELECTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BTCSELECTP
*  INTO TABLE @DATA(IT_BTCSELECTP2).
*--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_BTCSELECTP INDEX 1 INTO DATA(WA_BTCSELECTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BTCSELECTP>-JOBNAME = 1.
<BTCSELECTP>-USERNAME = 1.
<BTCSELECTP>-SELFAV = 1.
<BTCSELECTP>-AUTHCKMAN = 1.
<BTCSELECTP>-FROM_DATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BTCSELECTP-FROM_TIME, sy-vline,
  WA_BTCSELECTP-TO_DATE, sy-vline,
  WA_BTCSELECTP-TO_TIME, sy-vline,
  WA_BTCSELECTP-EVENTID, sy-vline,
  WA_BTCSELECTP-JOBID, sy-vline,
  WA_BTCSELECTP-OPMODEID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BTCSELECTP 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_BTCSELECTP 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_BTCSELECTP INTO WA_BTCSELECTP.


*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_BTCSELECTP_STR, 
JOBNAME TYPE STRING,
USERNAME TYPE STRING,
SELFAV TYPE STRING,
AUTHCKMAN TYPE STRING,
FROM_DATE TYPE STRING,
FROM_TIME TYPE STRING,
TO_DATE TYPE STRING,
TO_TIME TYPE STRING,
EVENTID TYPE STRING,
JOBID TYPE STRING,
OPMODEID TYPE STRING,
F_DATE_E TYPE STRING,
F_TIME_E TYPE STRING,
T_DATE_E TYPE STRING,
T_TIME_E TYPE STRING,
ST_ACTIVE TYPE STRING,
EN_ACTIVE TYPE STRING,
BE_ACTIVE TYPE STRING,
F_DATE_L TYPE STRING,
F_TIME_L TYPE STRING,
T_DATE_L TYPE STRING,
T_TIME_L TYPE STRING,
F_DATE_B TYPE STRING,
F_TIME_B TYPE STRING,
T_DATE_B TYPE STRING,
T_TIME_B TYPE STRING,
PRELIM TYPE STRING,
SCHEDUL TYPE STRING,
READY TYPE STRING,
RUNNING TYPE STRING,
FINISHED TYPE STRING,
ABORTED TYPE STRING,
DONTCARE TYPE STRING,
PERIOD TYPE STRING,
NON_PERD TYPE STRING,
NRMONTHS TYPE STRING,
NRWEEKS TYPE STRING,
NRDAYS TYPE STRING,
NRHOURS TYPE STRING,
NRMINUTES TYPE STRING,
ABAPNAME TYPE STRING,
EXTPROG TYPE STRING,
EXTCMD TYPE STRING,
AUTHCKNAM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BTCSELECTP_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_BTCSELECTP_STR-JOBNAME sy-vline 
WA_BTCSELECTP_STR-USERNAME sy-vline 
WA_BTCSELECTP_STR-SELFAV sy-vline 
WA_BTCSELECTP_STR-AUTHCKMAN sy-vline 
WA_BTCSELECTP_STR-FROM_DATE sy-vline 
WA_BTCSELECTP_STR-FROM_TIME sy-vline 
WA_BTCSELECTP_STR-TO_DATE sy-vline 
WA_BTCSELECTP_STR-TO_TIME sy-vline 
WA_BTCSELECTP_STR-EVENTID sy-vline 
WA_BTCSELECTP_STR-JOBID sy-vline 
WA_BTCSELECTP_STR-OPMODEID sy-vline 
WA_BTCSELECTP_STR-F_DATE_E sy-vline 
WA_BTCSELECTP_STR-F_TIME_E sy-vline 
WA_BTCSELECTP_STR-T_DATE_E sy-vline 
WA_BTCSELECTP_STR-T_TIME_E sy-vline 
WA_BTCSELECTP_STR-ST_ACTIVE sy-vline 
WA_BTCSELECTP_STR-EN_ACTIVE sy-vline 
WA_BTCSELECTP_STR-BE_ACTIVE sy-vline 
WA_BTCSELECTP_STR-F_DATE_L sy-vline 
WA_BTCSELECTP_STR-F_TIME_L sy-vline 
WA_BTCSELECTP_STR-T_DATE_L sy-vline 
WA_BTCSELECTP_STR-T_TIME_L sy-vline 
WA_BTCSELECTP_STR-F_DATE_B sy-vline 
WA_BTCSELECTP_STR-F_TIME_B sy-vline 
WA_BTCSELECTP_STR-T_DATE_B sy-vline 
WA_BTCSELECTP_STR-T_TIME_B sy-vline 
WA_BTCSELECTP_STR-PRELIM sy-vline 
WA_BTCSELECTP_STR-SCHEDUL sy-vline 
WA_BTCSELECTP_STR-READY sy-vline 
WA_BTCSELECTP_STR-RUNNING sy-vline 
WA_BTCSELECTP_STR-FINISHED sy-vline 
WA_BTCSELECTP_STR-ABORTED sy-vline 
WA_BTCSELECTP_STR-DONTCARE sy-vline 
WA_BTCSELECTP_STR-PERIOD sy-vline 
WA_BTCSELECTP_STR-NON_PERD sy-vline 
WA_BTCSELECTP_STR-NRMONTHS sy-vline 
WA_BTCSELECTP_STR-NRWEEKS sy-vline 
WA_BTCSELECTP_STR-NRDAYS sy-vline 
WA_BTCSELECTP_STR-NRHOURS sy-vline 
WA_BTCSELECTP_STR-NRMINUTES sy-vline 
WA_BTCSELECTP_STR-ABAPNAME sy-vline 
WA_BTCSELECTP_STR-EXTPROG sy-vline 
WA_BTCSELECTP_STR-EXTCMD sy-vline 
WA_BTCSELECTP_STR-AUTHCKNAM sy-vline      INTO ld_text SEPARATED BY SPACE.

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