ABAP Select data from SAP table CPET_PRIO_ASSEMBLY_TESTCASE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPET_PRIO_ASSEMBLY_TESTCASE
*  INTO TABLE @DATA(IT_CPET_PRIO_ASSEMBLY_TESTCASE2).
*--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_CPET_PRIO_ASSEMBLY_TESTCASE INDEX 1 INTO DATA(WA_CPET_PRIO_ASSEMBLY_TESTCASE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPET_PRIO_ASSEMBLY_TESTCASE>-TESTCASE_ID = 1.
<CPET_PRIO_ASSEMBLY_TESTCASE>-DET_RESULT = 1.
<CPET_PRIO_ASSEMBLY_TESTCASE>-CALLER_DATA = 1.
<CPET_PRIO_ASSEMBLY_TESTCASE>-HEADER_DATA = 1.
<CPET_PRIO_ASSEMBLY_TESTCASE>-DOC_GUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPET_PRIO_ASSEMBLY_TESTCASE-LOGSYS, sy-vline,
  WA_CPET_PRIO_ASSEMBLY_TESTCASE-APPLICATION, sy-vline,
  WA_CPET_PRIO_ASSEMBLY_TESTCASE-ORGANIZATION, sy-vline,
  WA_CPET_PRIO_ASSEMBLY_TESTCASE-DOC_CATEGORY, sy-vline,
  WA_CPET_PRIO_ASSEMBLY_TESTCASE-RFC_CONTEXT, sy-vline,
  WA_CPET_PRIO_ASSEMBLY_TESTCASE-ASSEMBLY_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPET_PRIO_ASSEMBLY_TESTCASE 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_CPET_PRIO_ASSEMBLY_TESTCASE 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_CPET_PRIO_ASSEMBLY_TESTCASE INTO WA_CPET_PRIO_ASSEMBLY_TESTCASE.


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

*Conversion exit TSTPS, internal->external for field ASSEMBLY_DATE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CPET_PRIO_ASSEMBLY_TESTCASE-ASSEMBLY_DATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPET_PRIO_ASSEMBLY_TESTCASE-ASSEMBLY_DATE.
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_CPET_PRIO_ASSEMBLY_TESTCASE_STR, 
TESTCASE_ID TYPE STRING,
DET_RESULT TYPE STRING,
CALLER_DATA TYPE STRING,
HEADER_DATA TYPE STRING,
DOC_GUID TYPE STRING,
LOGSYS TYPE STRING,
APPLICATION TYPE STRING,
ORGANIZATION TYPE STRING,
DOC_CATEGORY TYPE STRING,
RFC_CONTEXT TYPE STRING,
ASSEMBLY_DATE TYPE STRING,
PRC_PROCEDURE TYPE STRING,
CPE_FA_PROCEDURE TYPE STRING,
CPE_FA_ROUTINE TYPE STRING,
ATTRIBUTES TYPE STRING,
ITEM_DATA TYPE STRING,
COND_TYPES TYPE STRING,
RESULT_ABAP TYPE STRING,
FA_PROCEDURE TYPE STRING,
USE_FA_BUFFER TYPE STRING,
PERFORM_CHECK TYPE STRING,
PROCESS_OPTION TYPE STRING,
DEFFORMDOC_WRK TYPE STRING,
DEFTERMGRP_WRK TYPE STRING,
FORMDOC_WRK TYPE STRING,
FORMINPUT_WRK TYPE STRING,
FORMCONVIN_WRK TYPE STRING,
FORMROUNDIN_WRK TYPE STRING,
TERMGRPOUT_WRK TYPE STRING,
TERMOUT_WRK TYPE STRING,
TERMCONVIN_WRK TYPE STRING,
TERMINPUT_WRK TYPE STRING,
TERMROUNDIN_WRK TYPE STRING,
PERIODDTIN_WRK TYPE STRING,
RESULT_EXPECTED TYPE STRING,
FA_PROCEDURE TYPE STRING,
USE_FA_BUFFER TYPE STRING,
PERFORM_CHECK TYPE STRING,
PROCESS_OPTION TYPE STRING,
DEFFORMDOC_WRK TYPE STRING,
DEFTERMGRP_WRK TYPE STRING,
FORMDOC_WRK TYPE STRING,
FORMINPUT_WRK TYPE STRING,
FORMCONVIN_WRK TYPE STRING,
FORMROUNDIN_WRK TYPE STRING,
TERMGRPOUT_WRK TYPE STRING,
TERMOUT_WRK TYPE STRING,
TERMCONVIN_WRK TYPE STRING,
TERMINPUT_WRK TYPE STRING,
TERMROUNDIN_WRK TYPE STRING,
PERIODDTIN_WRK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPET_PRIO_ASSEMBLY_TESTCASE_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_CPET_PRIO_ASSEMBLY_TESTCASE_STR-TESTCASE_ID sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-DET_RESULT sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-CALLER_DATA sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-HEADER_DATA sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-DOC_GUID sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-LOGSYS sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-APPLICATION sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-ORGANIZATION sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-DOC_CATEGORY sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-RFC_CONTEXT sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-ASSEMBLY_DATE sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-PRC_PROCEDURE sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-CPE_FA_PROCEDURE sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-CPE_FA_ROUTINE sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-ATTRIBUTES sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-ITEM_DATA sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-COND_TYPES sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-RESULT_ABAP sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-FA_PROCEDURE sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-USE_FA_BUFFER sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-PERFORM_CHECK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-PROCESS_OPTION sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-DEFFORMDOC_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-DEFTERMGRP_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-FORMDOC_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-FORMINPUT_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-FORMCONVIN_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-FORMROUNDIN_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-TERMGRPOUT_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-TERMOUT_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-TERMCONVIN_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-TERMINPUT_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-TERMROUNDIN_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-PERIODDTIN_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-RESULT_EXPECTED sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-FA_PROCEDURE sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-USE_FA_BUFFER sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-PERFORM_CHECK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-PROCESS_OPTION sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-DEFFORMDOC_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-DEFTERMGRP_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-FORMDOC_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-FORMINPUT_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-FORMCONVIN_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-FORMROUNDIN_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-TERMGRPOUT_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-TERMOUT_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-TERMCONVIN_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-TERMINPUT_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-TERMROUNDIN_WRK sy-vline 
WA_CPET_PRIO_ASSEMBLY_TESTCASE_STR-PERIODDTIN_WRK sy-vline      INTO ld_text SEPARATED BY SPACE.

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