ABAP Select data from SAP table FIZA_S_SUMMARY_HEADER_1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FIZA_S_SUMMARY_HEADER_1 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 FIZA_S_SUMMARY_HEADER_1. 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 FIZA_S_SUMMARY_HEADER_1 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_FIZA_S_SUMMARY_HEADER_1 TYPE STANDARD TABLE OF FIZA_S_SUMMARY_HEADER_1,
      WA_FIZA_S_SUMMARY_HEADER_1 TYPE FIZA_S_SUMMARY_HEADER_1,
      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: <FIZA_S_SUMMARY_HEADER_1> TYPE FIZA_S_SUMMARY_HEADER_1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FIZA_S_SUMMARY_HEADER_1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FIZA_S_SUMMARY_HEADER_1
  INTO TABLE IT_FIZA_S_SUMMARY_HEADER_1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIZA_S_SUMMARY_HEADER_1
*  INTO TABLE @DATA(IT_FIZA_S_SUMMARY_HEADER_12).
*--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_FIZA_S_SUMMARY_HEADER_1 INDEX 1 INTO DATA(WA_FIZA_S_SUMMARY_HEADER_12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FIZA_S_SUMMARY_HEADER_1 ASSIGNING <FIZA_S_SUMMARY_HEADER_1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIZA_S_SUMMARY_HEADER_1>-SECTION_ID = 1.
<FIZA_S_SUMMARY_HEADER_1>-HEADER_TYPE = 1.
<FIZA_S_SUMMARY_HEADER_1>-MSG_CREATE_DATE = 1.
<FIZA_S_SUMMARY_HEADER_1>-FILE_LAYOUT_VERSION = 1.
<FIZA_S_SUMMARY_HEADER_1>-UNIQUE_FILE_ID = 1.

ENDLOOP.

LOOP AT IT_FIZA_S_SUMMARY_HEADER_1 INTO WA_FIZA_S_SUMMARY_HEADER_1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIZA_S_SUMMARY_HEADER_1-SARS_REQ_REF, sy-vline,
  WA_FIZA_S_SUMMARY_HEADER_1-TEST_DATA_IND, sy-vline,
  WA_FIZA_S_SUMMARY_HEADER_1-DATA_TYPE_BEING_SUPPLIED, sy-vline,
  WA_FIZA_S_SUMMARY_HEADER_1-CHANNEL_ID, sy-vline,
  WA_FIZA_S_SUMMARY_HEADER_1-SOURCE_ID, sy-vline,
  WA_FIZA_S_SUMMARY_HEADER_1-GROUP_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIZA_S_SUMMARY_HEADER_1 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_FIZA_S_SUMMARY_HEADER_1 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_FIZA_S_SUMMARY_HEADER_1 INTO WA_FIZA_S_SUMMARY_HEADER_1.


*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_FIZA_S_SUMMARY_HEADER_1_STR, 
SECTION_ID TYPE STRING,
HEADER_TYPE TYPE STRING,
MSG_CREATE_DATE TYPE STRING,
FILE_LAYOUT_VERSION TYPE STRING,
UNIQUE_FILE_ID TYPE STRING,
SARS_REQ_REF TYPE STRING,
TEST_DATA_IND TYPE STRING,
DATA_TYPE_BEING_SUPPLIED TYPE STRING,
CHANNEL_ID TYPE STRING,
SOURCE_ID TYPE STRING,
GROUP_ID TYPE STRING,
GROUP_TOTAL TYPE STRING,
UNIQUE_GROUP_ITEM_ID TYPE STRING,
SRC_SYSTEM TYPE STRING,
SRC_SYS_VERSION TYPE STRING,
CONTACT_PERSON_NAME TYPE STRING,
CONTACT_PERSON_SURNAME TYPE STRING,
TEL_NUM_1 TYPE STRING,
TEL_NUM_2 TYPE STRING,
CELL_PHONE_NUM TYPE STRING,
CONTACT_EMAIL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIZA_S_SUMMARY_HEADER_1_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_FIZA_S_SUMMARY_HEADER_1_STR-SECTION_ID sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-HEADER_TYPE sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-MSG_CREATE_DATE sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-FILE_LAYOUT_VERSION sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-UNIQUE_FILE_ID sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-SARS_REQ_REF sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-TEST_DATA_IND sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-DATA_TYPE_BEING_SUPPLIED sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-CHANNEL_ID sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-SOURCE_ID sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-GROUP_ID sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-GROUP_TOTAL sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-UNIQUE_GROUP_ITEM_ID sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-SRC_SYSTEM sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-SRC_SYS_VERSION sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-CONTACT_PERSON_NAME sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-CONTACT_PERSON_SURNAME sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-TEL_NUM_1 sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-TEL_NUM_2 sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-CELL_PHONE_NUM sy-vline 
WA_FIZA_S_SUMMARY_HEADER_1_STR-CONTACT_EMAIL sy-vline      INTO ld_text SEPARATED BY SPACE.

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