ABAP Select data from SAP table CUST1150 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CUST1150 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 CUST1150. 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 CUST1150 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_CUST1150 TYPE STANDARD TABLE OF CUST1150,
      WA_CUST1150 TYPE CUST1150,
      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: <CUST1150> TYPE CUST1150.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CUST1150.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CUST1150
  INTO TABLE IT_CUST1150.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CUST1150
*  INTO TABLE @DATA(IT_CUST11502).
*--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_CUST1150 INDEX 1 INTO DATA(WA_CUST11502).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CUST1150 ASSIGNING <CUST1150>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CUST1150>-MTSYSID = 1.
<CUST1150>-MTMCNAME = 1.
<CUST1150>-MTNUMRANGE = 1.
<CUST1150>-MTUID = 1.
<CUST1150>-MTCLASS = 1.

ENDLOOP.

LOOP AT IT_CUST1150 INTO WA_CUST1150.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CUST1150-SETNAME, sy-vline,
  WA_CUST1150-MTINDEX, sy-vline,
  WA_CUST1150-EXTINDEX, sy-vline,
  WA_CUST1150-OBJECTNAME, sy-vline,
  WA_CUST1150-MTNAMESHRT, sy-vline,
  WA_CUST1150-DBSTATUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CUST1150 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_CUST1150 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_CUST1150 INTO WA_CUST1150.


*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_CUST1150_STR, 
MTSYSID TYPE STRING,
MTMCNAME TYPE STRING,
MTNUMRANGE TYPE STRING,
MTUID TYPE STRING,
MTCLASS TYPE STRING,
SETNAME TYPE STRING,
MTINDEX TYPE STRING,
EXTINDEX TYPE STRING,
OBJECTNAME TYPE STRING,
MTNAMESHRT TYPE STRING,
DBSTATUS TYPE STRING,
ALERTMODE TYPE STRING,
ALERTSHIFT TYPE STRING,
CRTBYASSI TYPE STRING,
CHG_USER TYPE STRING,
CHG_DATE TYPE STRING,
CHG_TIME TYPE STRING,
MT_NAME TYPE STRING,
STATUSTEXT TYPE STRING,
MOD_ALWAYS TYPE STRING,
MOD_VALCHG TYPE STRING,
MOD_MSGCHG TYPE STRING,
MOD_NEVER TYPE STRING,
SHIFT_NOT TYPE STRING,
SHIFT_RAY TYPE STRING,
SHIFT_YAR TYPE STRING,
SHFT_RAYAG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CUST1150_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_CUST1150_STR-MTSYSID sy-vline 
WA_CUST1150_STR-MTMCNAME sy-vline 
WA_CUST1150_STR-MTNUMRANGE sy-vline 
WA_CUST1150_STR-MTUID sy-vline 
WA_CUST1150_STR-MTCLASS sy-vline 
WA_CUST1150_STR-SETNAME sy-vline 
WA_CUST1150_STR-MTINDEX sy-vline 
WA_CUST1150_STR-EXTINDEX sy-vline 
WA_CUST1150_STR-OBJECTNAME sy-vline 
WA_CUST1150_STR-MTNAMESHRT sy-vline 
WA_CUST1150_STR-DBSTATUS sy-vline 
WA_CUST1150_STR-ALERTMODE sy-vline 
WA_CUST1150_STR-ALERTSHIFT sy-vline 
WA_CUST1150_STR-CRTBYASSI sy-vline 
WA_CUST1150_STR-CHG_USER sy-vline 
WA_CUST1150_STR-CHG_DATE sy-vline 
WA_CUST1150_STR-CHG_TIME sy-vline 
WA_CUST1150_STR-MT_NAME sy-vline 
WA_CUST1150_STR-STATUSTEXT sy-vline 
WA_CUST1150_STR-MOD_ALWAYS sy-vline 
WA_CUST1150_STR-MOD_VALCHG sy-vline 
WA_CUST1150_STR-MOD_MSGCHG sy-vline 
WA_CUST1150_STR-MOD_NEVER sy-vline 
WA_CUST1150_STR-SHIFT_NOT sy-vline 
WA_CUST1150_STR-SHIFT_RAY sy-vline 
WA_CUST1150_STR-SHIFT_YAR sy-vline 
WA_CUST1150_STR-SHFT_RAYAG sy-vline      INTO ld_text SEPARATED BY SPACE.

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