ABAP Select data from SAP table CRMC_LEAS_BUSPR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMC_LEAS_BUSPR
*  INTO TABLE @DATA(IT_CRMC_LEAS_BUSPR2).
*--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_CRMC_LEAS_BUSPR INDEX 1 INTO DATA(WA_CRMC_LEAS_BUSPR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMC_LEAS_BUSPR>-EXEC_PROCESS = 1.
<CRMC_LEAS_BUSPR>-SUBOBJ_CATEG_H = 1.
<CRMC_LEAS_BUSPR>-SUBOBJ_CATEG_I = 1.
<CRMC_LEAS_BUSPR>-NEW_LEASE = 1.
<CRMC_LEAS_BUSPR>-HEADER_PROCESS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMC_LEAS_BUSPR-PRIM_CONTR_ONLY, sy-vline,
  WA_CRMC_LEAS_BUSPR-EFF_DATE_DETERM, sy-vline,
  WA_CRMC_LEAS_BUSPR-INT_USE_ONLY, sy-vline,
  WA_CRMC_LEAS_BUSPR-TERM_PROC, sy-vline,
  WA_CRMC_LEAS_BUSPR-PROC_QUAN, sy-vline,
  WA_CRMC_LEAS_BUSPR-SPLIT_FUNC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMC_LEAS_BUSPR 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_CRMC_LEAS_BUSPR 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_CRMC_LEAS_BUSPR INTO WA_CRMC_LEAS_BUSPR.


*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_CRMC_LEAS_BUSPR_STR, 
EXEC_PROCESS TYPE STRING,
SUBOBJ_CATEG_H TYPE STRING,
SUBOBJ_CATEG_I TYPE STRING,
NEW_LEASE TYPE STRING,
HEADER_PROCESS TYPE STRING,
PRIM_CONTR_ONLY TYPE STRING,
EFF_DATE_DETERM TYPE STRING,
INT_USE_ONLY TYPE STRING,
TERM_PROC TYPE STRING,
PROC_QUAN TYPE STRING,
SPLIT_FUNC TYPE STRING,
PROC_SAME_DOC TYPE STRING,
CONT_START TYPE STRING,
INT_PERIOD_POSS TYPE STRING,
CHNG_ICP TYPE STRING,
TERMINATION TYPE STRING,
EXERCISE_DATE TYPE STRING,
ITEM_ITSELF TYPE STRING,
TERM_EXEC_PROC TYPE STRING,
RETURN_PRODUCT TYPE STRING,
PARTNER_CHANGE TYPE STRING,
POOL_LINK TYPE STRING,
PRODUCT_CHANGE TYPE STRING,
PRODUCT_SWAP TYPE STRING,
ONLY_COMBINED TYPE STRING,
DURATION TYPE STRING,
BILLING_PLAN TYPE STRING,
MASS_CHANGE TYPE STRING,
NO_EXE_CONTEND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMC_LEAS_BUSPR_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_CRMC_LEAS_BUSPR_STR-EXEC_PROCESS sy-vline 
WA_CRMC_LEAS_BUSPR_STR-SUBOBJ_CATEG_H sy-vline 
WA_CRMC_LEAS_BUSPR_STR-SUBOBJ_CATEG_I sy-vline 
WA_CRMC_LEAS_BUSPR_STR-NEW_LEASE sy-vline 
WA_CRMC_LEAS_BUSPR_STR-HEADER_PROCESS sy-vline 
WA_CRMC_LEAS_BUSPR_STR-PRIM_CONTR_ONLY sy-vline 
WA_CRMC_LEAS_BUSPR_STR-EFF_DATE_DETERM sy-vline 
WA_CRMC_LEAS_BUSPR_STR-INT_USE_ONLY sy-vline 
WA_CRMC_LEAS_BUSPR_STR-TERM_PROC sy-vline 
WA_CRMC_LEAS_BUSPR_STR-PROC_QUAN sy-vline 
WA_CRMC_LEAS_BUSPR_STR-SPLIT_FUNC sy-vline 
WA_CRMC_LEAS_BUSPR_STR-PROC_SAME_DOC sy-vline 
WA_CRMC_LEAS_BUSPR_STR-CONT_START sy-vline 
WA_CRMC_LEAS_BUSPR_STR-INT_PERIOD_POSS sy-vline 
WA_CRMC_LEAS_BUSPR_STR-CHNG_ICP sy-vline 
WA_CRMC_LEAS_BUSPR_STR-TERMINATION sy-vline 
WA_CRMC_LEAS_BUSPR_STR-EXERCISE_DATE sy-vline 
WA_CRMC_LEAS_BUSPR_STR-ITEM_ITSELF sy-vline 
WA_CRMC_LEAS_BUSPR_STR-TERM_EXEC_PROC sy-vline 
WA_CRMC_LEAS_BUSPR_STR-RETURN_PRODUCT sy-vline 
WA_CRMC_LEAS_BUSPR_STR-PARTNER_CHANGE sy-vline 
WA_CRMC_LEAS_BUSPR_STR-POOL_LINK sy-vline 
WA_CRMC_LEAS_BUSPR_STR-PRODUCT_CHANGE sy-vline 
WA_CRMC_LEAS_BUSPR_STR-PRODUCT_SWAP sy-vline 
WA_CRMC_LEAS_BUSPR_STR-ONLY_COMBINED sy-vline 
WA_CRMC_LEAS_BUSPR_STR-DURATION sy-vline 
WA_CRMC_LEAS_BUSPR_STR-BILLING_PLAN sy-vline 
WA_CRMC_LEAS_BUSPR_STR-MASS_CHANGE sy-vline 
WA_CRMC_LEAS_BUSPR_STR-NO_EXE_CONTEND sy-vline      INTO ld_text SEPARATED BY SPACE.

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