ABAP Select data from SAP table CACS25_S_SESITM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CACS25_S_SESITM 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 CACS25_S_SESITM. 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 CACS25_S_SESITM 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_CACS25_S_SESITM TYPE STANDARD TABLE OF CACS25_S_SESITM,
      WA_CACS25_S_SESITM TYPE CACS25_S_SESITM,
      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: <CACS25_S_SESITM> TYPE CACS25_S_SESITM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CACS25_S_SESITM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CACS25_S_SESITM
  INTO TABLE IT_CACS25_S_SESITM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CACS25_S_SESITM
*  INTO TABLE @DATA(IT_CACS25_S_SESITM2).
*--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_CACS25_S_SESITM INDEX 1 INTO DATA(WA_CACS25_S_SESITM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CACS25_S_SESITM ASSIGNING <CACS25_S_SESITM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CACS25_S_SESITM>-MANDT = 1.
<CACS25_S_SESITM>-SES_YEAR = 1.
<CACS25_S_SESITM>-SES_ID = 1.
<CACS25_S_SESITM>-SEQ_ID = 1.
<CACS25_S_SESITM>-SES_IT = 1.

ENDLOOP.

LOOP AT IT_CACS25_S_SESITM INTO WA_CACS25_S_SESITM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CACS25_S_SESITM-DET_GRP, sy-vline,
  WA_CACS25_S_SESITM-SE_POST_YEAR, sy-vline,
  WA_CACS25_S_SESITM-SE_DOC_ID, sy-vline,
  WA_CACS25_S_SESITM-SE_SETTLE_POS, sy-vline,
  WA_CACS25_S_SESITM-SE_DETAIL_POS, sy-vline,
  WA_CACS25_S_SESITM-CTRTBU_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CACS25_S_SESITM 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_CACS25_S_SESITM 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_CACS25_S_SESITM INTO WA_CACS25_S_SESITM.


*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 SES_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CACS25_S_SESITM-SES_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CACS25_S_SESITM-SES_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DET_GRP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CACS25_S_SESITM-DET_GRP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CACS25_S_SESITM-DET_GRP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SE_DOC_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CACS25_S_SESITM-SE_DOC_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CACS25_S_SESITM-SE_DOC_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SE_SETTLE_POS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CACS25_S_SESITM-SE_SETTLE_POS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CACS25_S_SESITM-SE_SETTLE_POS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CTRTBU_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CACS25_S_SESITM-CTRTBU_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CACS25_S_SESITM-CTRTBU_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RUN_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CACS25_S_SESITM-RUN_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CACS25_S_SESITM-RUN_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field REM_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CACS25_S_SESITM-REM_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CACS25_S_SESITM-REM_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REF_SES_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CACS25_S_SESITM-REF_SES_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CACS25_S_SESITM-REF_SES_ID.
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_CACS25_S_SESITM_STR, 
MANDT TYPE STRING,
SES_YEAR TYPE STRING,
SES_ID TYPE STRING,
SEQ_ID TYPE STRING,
SES_IT TYPE STRING,
DET_GRP TYPE STRING,
SE_POST_YEAR TYPE STRING,
SE_DOC_ID TYPE STRING,
SE_SETTLE_POS TYPE STRING,
SE_DETAIL_POS TYPE STRING,
CTRTBU_ID TYPE STRING,
RUN_ID TYPE STRING,
DUE_DATE TYPE STRING,
CON_CURR TYPE STRING,
DUE_CONAMNT TYPE STRING,
LED_CURR TYPE STRING,
DUE_LEDAMNT TYPE STRING,
REM_UNIT TYPE STRING,
DUE_QUAN TYPE STRING,
ITSTATUS TYPE STRING,
FFLSTATUS TYPE STRING,
FFLOVR TYPE STRING,
FFLGUID TYPE STRING,
UPDKNZ TYPE STRING,
FFL_FROM TYPE STRING,
FFL_TO TYPE STRING,
FFL TYPE STRING,
REF_SES_YEAR TYPE STRING,
REF_SES_ID TYPE STRING,
REF_SEQ_ID TYPE STRING,
REF_SES_IT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CACS25_S_SESITM_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_CACS25_S_SESITM_STR-MANDT sy-vline 
WA_CACS25_S_SESITM_STR-SES_YEAR sy-vline 
WA_CACS25_S_SESITM_STR-SES_ID sy-vline 
WA_CACS25_S_SESITM_STR-SEQ_ID sy-vline 
WA_CACS25_S_SESITM_STR-SES_IT sy-vline 
WA_CACS25_S_SESITM_STR-DET_GRP sy-vline 
WA_CACS25_S_SESITM_STR-SE_POST_YEAR sy-vline 
WA_CACS25_S_SESITM_STR-SE_DOC_ID sy-vline 
WA_CACS25_S_SESITM_STR-SE_SETTLE_POS sy-vline 
WA_CACS25_S_SESITM_STR-SE_DETAIL_POS sy-vline 
WA_CACS25_S_SESITM_STR-CTRTBU_ID sy-vline 
WA_CACS25_S_SESITM_STR-RUN_ID sy-vline 
WA_CACS25_S_SESITM_STR-DUE_DATE sy-vline 
WA_CACS25_S_SESITM_STR-CON_CURR sy-vline 
WA_CACS25_S_SESITM_STR-DUE_CONAMNT sy-vline 
WA_CACS25_S_SESITM_STR-LED_CURR sy-vline 
WA_CACS25_S_SESITM_STR-DUE_LEDAMNT sy-vline 
WA_CACS25_S_SESITM_STR-REM_UNIT sy-vline 
WA_CACS25_S_SESITM_STR-DUE_QUAN sy-vline 
WA_CACS25_S_SESITM_STR-ITSTATUS sy-vline 
WA_CACS25_S_SESITM_STR-FFLSTATUS sy-vline 
WA_CACS25_S_SESITM_STR-FFLOVR sy-vline 
WA_CACS25_S_SESITM_STR-FFLGUID sy-vline 
WA_CACS25_S_SESITM_STR-UPDKNZ sy-vline 
WA_CACS25_S_SESITM_STR-FFL_FROM sy-vline 
WA_CACS25_S_SESITM_STR-FFL_TO sy-vline 
WA_CACS25_S_SESITM_STR-FFL sy-vline 
WA_CACS25_S_SESITM_STR-REF_SES_YEAR sy-vline 
WA_CACS25_S_SESITM_STR-REF_SES_ID sy-vline 
WA_CACS25_S_SESITM_STR-REF_SEQ_ID sy-vline 
WA_CACS25_S_SESITM_STR-REF_SES_IT sy-vline      INTO ld_text SEPARATED BY SPACE.

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