ABAP Select data from SAP table ISI_EXIT_SAPLLOI1_002 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISI_EXIT_SAPLLOI1_002 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 ISI_EXIT_SAPLLOI1_002. 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 ISI_EXIT_SAPLLOI1_002 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_ISI_EXIT_SAPLLOI1_002 TYPE STANDARD TABLE OF ISI_EXIT_SAPLLOI1_002,
      WA_ISI_EXIT_SAPLLOI1_002 TYPE ISI_EXIT_SAPLLOI1_002,
      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: <ISI_EXIT_SAPLLOI1_002> TYPE ISI_EXIT_SAPLLOI1_002.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ISI_EXIT_SAPLLOI1_002.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ISI_EXIT_SAPLLOI1_002
  INTO TABLE IT_ISI_EXIT_SAPLLOI1_002.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISI_EXIT_SAPLLOI1_002
*  INTO TABLE @DATA(IT_ISI_EXIT_SAPLLOI1_0022).
*--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_ISI_EXIT_SAPLLOI1_002 INDEX 1 INTO DATA(WA_ISI_EXIT_SAPLLOI1_0022).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ISI_EXIT_SAPLLOI1_002 ASSIGNING <ISI_EXIT_SAPLLOI1_002>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISI_EXIT_SAPLLOI1_002>-IS_DUMMY = 1.
<ISI_EXIT_SAPLLOI1_002>-F_CUREFAFPO = 1.
<ISI_EXIT_SAPLLOI1_002>-POSEX = 1.
<ISI_EXIT_SAPLLOI1_002>-CONFIG_ID = 1.
<ISI_EXIT_SAPLLOI1_002>-INST_ID = 1.

ENDLOOP.

LOOP AT IT_ISI_EXIT_SAPLLOI1_002 INTO WA_ISI_EXIT_SAPLLOI1_002.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISI_EXIT_SAPLLOI1_002-F_CUREFRESB, sy-vline,
  WA_ISI_EXIT_SAPLLOI1_002-POSEX, sy-vline,
  WA_ISI_EXIT_SAPLLOI1_002-CONFIG_ID, sy-vline,
  WA_ISI_EXIT_SAPLLOI1_002-INST_ID, sy-vline,
  WA_ISI_EXIT_SAPLLOI1_002-F_CUCFG, sy-vline,
  WA_ISI_EXIT_SAPLLOI1_002-POSEX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISI_EXIT_SAPLLOI1_002 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_ISI_EXIT_SAPLLOI1_002 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_ISI_EXIT_SAPLLOI1_002 INTO WA_ISI_EXIT_SAPLLOI1_002.


*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_ISI_EXIT_SAPLLOI1_002_STR, 
IS_DUMMY TYPE STRING,
F_CUREFAFPO TYPE STRING,
POSEX TYPE STRING,
CONFIG_ID TYPE STRING,
INST_ID TYPE STRING,
F_CUREFRESB TYPE STRING,
POSEX TYPE STRING,
CONFIG_ID TYPE STRING,
INST_ID TYPE STRING,
F_CUCFG TYPE STRING,
POSEX TYPE STRING,
CONFIG_ID TYPE STRING,
ROOT_ID TYPE STRING,
SCE TYPE STRING,
KBNAME TYPE STRING,
KBVERSION TYPE STRING,
COMPLETE TYPE STRING,
CONSISTENT TYPE STRING,
CFGINFO TYPE STRING,
KBPROFILE TYPE STRING,
KBLANGUAGE TYPE STRING,
CBASE_ID TYPE STRING,
CBASE_ID_TYPE TYPE STRING,
F_CUINS TYPE STRING,
INST_ID TYPE STRING,
OBJ_TYPE TYPE STRING,
CLASS_TYPE TYPE STRING,
OBJ_KEY TYPE STRING,
OBJ_TXT TYPE STRING,
QUANTITY TYPE STRING,
AUTHOR TYPE STRING,
QUANTITY_UNIT TYPE STRING,
COMPLETE TYPE STRING,
CONSISTENT TYPE STRING,
OBJECT_GUID TYPE STRING,
PERSIST_ID TYPE STRING,
PERSIST_ID_TYPE TYPE STRING,
F_CUPRT TYPE STRING,
PARENT_ID TYPE STRING,
INST_ID TYPE STRING,
PART_OF_NO TYPE STRING,
OBJ_TYPE TYPE STRING,
CLASS_TYPE TYPE STRING,
OBJ_KEY TYPE STRING,
AUTHOR TYPE STRING,
SALES_RELEVANT TYPE STRING,
PART_OF_GUID TYPE STRING,
F_CUVAL TYPE STRING,
INST_ID TYPE STRING,
CHARC TYPE STRING,
CHARC_TXT TYPE STRING,
VALUE TYPE STRING,
VALUE_TXT TYPE STRING,
AUTHOR TYPE STRING,
VALUE_TO TYPE STRING,
VALCODE TYPE STRING,
VALUE_LONG TYPE STRING,
VALUE_TO_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISI_EXIT_SAPLLOI1_002_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_ISI_EXIT_SAPLLOI1_002_STR-IS_DUMMY sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-F_CUREFAFPO sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-POSEX sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-CONFIG_ID sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-INST_ID sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-F_CUREFRESB sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-POSEX sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-CONFIG_ID sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-INST_ID sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-F_CUCFG sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-POSEX sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-CONFIG_ID sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-ROOT_ID sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-SCE sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-KBNAME sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-KBVERSION sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-COMPLETE sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-CONSISTENT sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-CFGINFO sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-KBPROFILE sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-KBLANGUAGE sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-CBASE_ID sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-CBASE_ID_TYPE sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-F_CUINS sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-INST_ID sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-OBJ_TYPE sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-CLASS_TYPE sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-OBJ_KEY sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-OBJ_TXT sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-QUANTITY sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-AUTHOR sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-QUANTITY_UNIT sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-COMPLETE sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-CONSISTENT sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-OBJECT_GUID sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-PERSIST_ID sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-PERSIST_ID_TYPE sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-F_CUPRT sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-PARENT_ID sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-INST_ID sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-PART_OF_NO sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-OBJ_TYPE sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-CLASS_TYPE sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-OBJ_KEY sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-AUTHOR sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-SALES_RELEVANT sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-PART_OF_GUID sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-F_CUVAL sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-INST_ID sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-CHARC sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-CHARC_TXT sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-VALUE sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-VALUE_TXT sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-AUTHOR sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-VALUE_TO sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-VALCODE sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-VALUE_LONG sy-vline 
WA_ISI_EXIT_SAPLLOI1_002_STR-VALUE_TO_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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