ABAP Select data from SAP table FITV_EXP_HEAD into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FITV_EXP_HEAD
*  INTO TABLE @DATA(IT_FITV_EXP_HEAD2).
*--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_FITV_EXP_HEAD INDEX 1 INTO DATA(WA_FITV_EXP_HEAD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FITV_EXP_HEAD>-PERNR = 1.
<FITV_EXP_HEAD>-REINR = 1.
<FITV_EXP_HEAD>-NAME = 1.
<FITV_EXP_HEAD>-LOCATION = 1.
<FITV_EXP_HEAD>-COUNTRY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FITV_EXP_HEAD-REGION, sy-vline,
  WA_FITV_EXP_HEAD-COUNTRY_TXT, sy-vline,
  WA_FITV_EXP_HEAD-CUSTOMER, sy-vline,
  WA_FITV_EXP_HEAD-DEP_DATE, sy-vline,
  WA_FITV_EXP_HEAD-DEP_TIME, sy-vline,
  WA_FITV_EXP_HEAD-ARR_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FITV_EXP_HEAD 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_FITV_EXP_HEAD 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_FITV_EXP_HEAD INTO WA_FITV_EXP_HEAD.


*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_FITV_EXP_HEAD_STR, 
PERNR TYPE STRING,
REINR TYPE STRING,
NAME TYPE STRING,
LOCATION TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
COUNTRY_TXT TYPE STRING,
CUSTOMER TYPE STRING,
DEP_DATE TYPE STRING,
DEP_TIME TYPE STRING,
ARR_DATE TYPE STRING,
ARR_TIME TYPE STRING,
TRIPDUR TYPE STRING,
T_ACTYPE TYPE STRING,
T_ACTYPE_TXT TYPE STRING,
TT_STATU TYPE STRING,
TT_STATU_TXT TYPE STRING,
TT_COMSP TYPE STRING,
TT_COMSP_TXT TYPE STRING,
SUM_ADVANC TYPE STRING,
TRIP_TOTAL TYPE STRING,
CURRENCY TYPE STRING,
APPROVED TYPE STRING,
APPR_TXT TYPE STRING,
ACCOUNT TYPE STRING,
TRAN_PAY TYPE STRING,
TRAN_FI TYPE STRING,
TRAN_DME TYPE STRING,
ACC_TEXT TYPE STRING,
PRINTED TYPE STRING,
PRIN_TXT TYPE STRING,
CH_ON TYPE STRING,
CH_ON_TIME TYPE STRING,
CHANGED_BY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FITV_EXP_HEAD_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_FITV_EXP_HEAD_STR-PERNR sy-vline 
WA_FITV_EXP_HEAD_STR-REINR sy-vline 
WA_FITV_EXP_HEAD_STR-NAME sy-vline 
WA_FITV_EXP_HEAD_STR-LOCATION sy-vline 
WA_FITV_EXP_HEAD_STR-COUNTRY sy-vline 
WA_FITV_EXP_HEAD_STR-REGION sy-vline 
WA_FITV_EXP_HEAD_STR-COUNTRY_TXT sy-vline 
WA_FITV_EXP_HEAD_STR-CUSTOMER sy-vline 
WA_FITV_EXP_HEAD_STR-DEP_DATE sy-vline 
WA_FITV_EXP_HEAD_STR-DEP_TIME sy-vline 
WA_FITV_EXP_HEAD_STR-ARR_DATE sy-vline 
WA_FITV_EXP_HEAD_STR-ARR_TIME sy-vline 
WA_FITV_EXP_HEAD_STR-TRIPDUR sy-vline 
WA_FITV_EXP_HEAD_STR-T_ACTYPE sy-vline 
WA_FITV_EXP_HEAD_STR-T_ACTYPE_TXT sy-vline 
WA_FITV_EXP_HEAD_STR-TT_STATU sy-vline 
WA_FITV_EXP_HEAD_STR-TT_STATU_TXT sy-vline 
WA_FITV_EXP_HEAD_STR-TT_COMSP sy-vline 
WA_FITV_EXP_HEAD_STR-TT_COMSP_TXT sy-vline 
WA_FITV_EXP_HEAD_STR-SUM_ADVANC sy-vline 
WA_FITV_EXP_HEAD_STR-TRIP_TOTAL sy-vline 
WA_FITV_EXP_HEAD_STR-CURRENCY sy-vline 
WA_FITV_EXP_HEAD_STR-APPROVED sy-vline 
WA_FITV_EXP_HEAD_STR-APPR_TXT sy-vline 
WA_FITV_EXP_HEAD_STR-ACCOUNT sy-vline 
WA_FITV_EXP_HEAD_STR-TRAN_PAY sy-vline 
WA_FITV_EXP_HEAD_STR-TRAN_FI sy-vline 
WA_FITV_EXP_HEAD_STR-TRAN_DME sy-vline 
WA_FITV_EXP_HEAD_STR-ACC_TEXT sy-vline 
WA_FITV_EXP_HEAD_STR-PRINTED sy-vline 
WA_FITV_EXP_HEAD_STR-PRIN_TXT sy-vline 
WA_FITV_EXP_HEAD_STR-CH_ON sy-vline 
WA_FITV_EXP_HEAD_STR-CH_ON_TIME sy-vline 
WA_FITV_EXP_HEAD_STR-CHANGED_BY sy-vline      INTO ld_text SEPARATED BY SPACE.

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