ABAP Select data from SAP table FSH_SEA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FSH_SEA
*  INTO TABLE @DATA(IT_FSH_SEA2).
*--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_FSH_SEA INDEX 1 INTO DATA(WA_FSH_SEA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FSH_SEA>-SATNR = 1.
<FSH_SEA>-MATNR = 1.
<FSH_SEA>-BWGRP = 1.
<FSH_SEA>-WERKS = 1.
<FSH_SEA>-EX_LGORT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FSH_SEA-LGORT, sy-vline,
  WA_FSH_SEA-LGORTKZ, sy-vline,
  WA_FSH_SEA-SONDCHA, sy-vline,
  WA_FSH_SEA-FSH_SEA, sy-vline,
  WA_FSH_SEA-CHARG, sy-vline,
  WA_FSH_SEA-MEINH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FSH_SEA 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_FSH_SEA 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_FSH_SEA INTO WA_FSH_SEA.


*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.

*Conversion exit MATN1, internal->external for field SATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_FSH_SEA-SATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FSH_SEA-SATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_FSH_SEA-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FSH_SEA-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FSH_SEA-MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FSH_SEA-MEINH.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FSH_SEA_STR, 
SATNR TYPE STRING,
MATNR TYPE STRING,
BWGRP TYPE STRING,
WERKS TYPE STRING,
EX_LGORT TYPE STRING,
LGORT TYPE STRING,
LGORTKZ TYPE STRING,
SONDCHA TYPE STRING,
FSH_SEA TYPE STRING,
CHARG TYPE STRING,
MEINH TYPE STRING,
NAME1 TYPE STRING,
SGT_SCAT TYPE STRING,
LVORM TYPE STRING,
LABST TYPE STRING,
UMLME TYPE STRING,
INSME TYPE STRING,
EINME TYPE STRING,
SPEME TYPE STRING,
RETME TYPE STRING,
UMLMC TYPE STRING,
TRAME TYPE STRING,
TRASF TYPE STRING,
WESPB TYPE STRING,
VBMNA TYPE STRING,
VBMNB TYPE STRING,
VBMNC TYPE STRING,
VBMNE TYPE STRING,
VBMNG TYPE STRING,
VBMNI TYPE STRING,
OMENG TYPE STRING,
MENGE TYPE STRING,
MENGK TYPE STRING,
BDMNG TYPE STRING,
BDMNS TYPE STRING,
BSABR TYPE STRING,
KLABS TYPE STRING,
KINSM TYPE STRING,
KEINM TYPE STRING,
KSPEM TYPE STRING,
KALAB TYPE STRING,
KAINS TYPE STRING,
KASPE TYPE STRING,
KAEIN TYPE STRING,
KULAV TYPE STRING,
KUINV TYPE STRING,
KUEIV TYPE STRING,
KULAW TYPE STRING,
KUINW TYPE STRING,
KUEIW TYPE STRING,
LBLAB TYPE STRING,
LBINS TYPE STRING,
LBEIN TYPE STRING,
MLABS TYPE STRING,
MINSM TYPE STRING,
MEINM TYPE STRING,
MSPEM TYPE STRING,
GLGMG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FSH_SEA_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_FSH_SEA_STR-SATNR sy-vline 
WA_FSH_SEA_STR-MATNR sy-vline 
WA_FSH_SEA_STR-BWGRP sy-vline 
WA_FSH_SEA_STR-WERKS sy-vline 
WA_FSH_SEA_STR-EX_LGORT sy-vline 
WA_FSH_SEA_STR-LGORT sy-vline 
WA_FSH_SEA_STR-LGORTKZ sy-vline 
WA_FSH_SEA_STR-SONDCHA sy-vline 
WA_FSH_SEA_STR-FSH_SEA sy-vline 
WA_FSH_SEA_STR-CHARG sy-vline 
WA_FSH_SEA_STR-MEINH sy-vline 
WA_FSH_SEA_STR-NAME1 sy-vline 
WA_FSH_SEA_STR-SGT_SCAT sy-vline 
WA_FSH_SEA_STR-LVORM sy-vline 
WA_FSH_SEA_STR-LABST sy-vline 
WA_FSH_SEA_STR-UMLME sy-vline 
WA_FSH_SEA_STR-INSME sy-vline 
WA_FSH_SEA_STR-EINME sy-vline 
WA_FSH_SEA_STR-SPEME sy-vline 
WA_FSH_SEA_STR-RETME sy-vline 
WA_FSH_SEA_STR-UMLMC sy-vline 
WA_FSH_SEA_STR-TRAME sy-vline 
WA_FSH_SEA_STR-TRASF sy-vline 
WA_FSH_SEA_STR-WESPB sy-vline 
WA_FSH_SEA_STR-VBMNA sy-vline 
WA_FSH_SEA_STR-VBMNB sy-vline 
WA_FSH_SEA_STR-VBMNC sy-vline 
WA_FSH_SEA_STR-VBMNE sy-vline 
WA_FSH_SEA_STR-VBMNG sy-vline 
WA_FSH_SEA_STR-VBMNI sy-vline 
WA_FSH_SEA_STR-OMENG sy-vline 
WA_FSH_SEA_STR-MENGE sy-vline 
WA_FSH_SEA_STR-MENGK sy-vline 
WA_FSH_SEA_STR-BDMNG sy-vline 
WA_FSH_SEA_STR-BDMNS sy-vline 
WA_FSH_SEA_STR-BSABR sy-vline 
WA_FSH_SEA_STR-KLABS sy-vline 
WA_FSH_SEA_STR-KINSM sy-vline 
WA_FSH_SEA_STR-KEINM sy-vline 
WA_FSH_SEA_STR-KSPEM sy-vline 
WA_FSH_SEA_STR-KALAB sy-vline 
WA_FSH_SEA_STR-KAINS sy-vline 
WA_FSH_SEA_STR-KASPE sy-vline 
WA_FSH_SEA_STR-KAEIN sy-vline 
WA_FSH_SEA_STR-KULAV sy-vline 
WA_FSH_SEA_STR-KUINV sy-vline 
WA_FSH_SEA_STR-KUEIV sy-vline 
WA_FSH_SEA_STR-KULAW sy-vline 
WA_FSH_SEA_STR-KUINW sy-vline 
WA_FSH_SEA_STR-KUEIW sy-vline 
WA_FSH_SEA_STR-LBLAB sy-vline 
WA_FSH_SEA_STR-LBINS sy-vline 
WA_FSH_SEA_STR-LBEIN sy-vline 
WA_FSH_SEA_STR-MLABS sy-vline 
WA_FSH_SEA_STR-MINSM sy-vline 
WA_FSH_SEA_STR-MEINM sy-vline 
WA_FSH_SEA_STR-MSPEM sy-vline 
WA_FSH_SEA_STR-GLGMG sy-vline      INTO ld_text SEPARATED BY SPACE.

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