ABAP Select data from SAP table EHSWAS_WA_BALANCE1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EHSWAS_WA_BALANCE1 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 EHSWAS_WA_BALANCE1. 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 EHSWAS_WA_BALANCE1 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_EHSWAS_WA_BALANCE1 TYPE STANDARD TABLE OF EHSWAS_WA_BALANCE1,
      WA_EHSWAS_WA_BALANCE1 TYPE EHSWAS_WA_BALANCE1,
      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: <EHSWAS_WA_BALANCE1> TYPE EHSWAS_WA_BALANCE1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EHSWAS_WA_BALANCE1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EHSWAS_WA_BALANCE1
  INTO TABLE IT_EHSWAS_WA_BALANCE1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHSWAS_WA_BALANCE1
*  INTO TABLE @DATA(IT_EHSWAS_WA_BALANCE12).
*--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_EHSWAS_WA_BALANCE1 INDEX 1 INTO DATA(WA_EHSWAS_WA_BALANCE12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EHSWAS_WA_BALANCE1 ASSIGNING <EHSWAS_WA_BALANCE1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHSWAS_WA_BALANCE1>-MANDT = 1.
<EHSWAS_WA_BALANCE1>-RECN = 1.
<EHSWAS_WA_BALANCE1>-MNDATEDEL = 1.
<EHSWAS_WA_BALANCE1>-MNDATEADO = 1.
<EHSWAS_WA_BALANCE1>-BPID_1 = 1.

ENDLOOP.

LOOP AT IT_EHSWAS_WA_BALANCE1 INTO WA_EHSWAS_WA_BALANCE1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHSWAS_WA_BALANCE1-ROLE_1, sy-vline,
  WA_EHSWAS_WA_BALANCE1-PARTNER_1, sy-vline,
  WA_EHSWAS_WA_BALANCE1-NAME11, sy-vline,
  WA_EHSWAS_WA_BALANCE1-POST_CODE11, sy-vline,
  WA_EHSWAS_WA_BALANCE1-STREET11, sy-vline,
  WA_EHSWAS_WA_BALANCE1-COUNTRY11, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHSWAS_WA_BALANCE1 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_EHSWAS_WA_BALANCE1 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_EHSWAS_WA_BALANCE1 INTO WA_EHSWAS_WA_BALANCE1.


*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 ALPHA, internal->external for field PARTNER_1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHSWAS_WA_BALANCE1-PARTNER_1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSWAS_WA_BALANCE1-PARTNER_1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MNRECNWAKEY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHSWAS_WA_BALANCE1-MNRECNWAKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSWAS_WA_BALANCE1-MNRECNWAKEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MNMATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_EHSWAS_WA_BALANCE1-MNMATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSWAS_WA_BALANCE1-MNMATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTNER_2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHSWAS_WA_BALANCE1-PARTNER_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSWAS_WA_BALANCE1-PARTNER_2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTNER_3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHSWAS_WA_BALANCE1-PARTNER_3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSWAS_WA_BALANCE1-PARTNER_3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MNAMQIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EHSWAS_WA_BALANCE1-MNAMQIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSWAS_WA_BALANCE1-MNAMQIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MNAMQEX
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EHSWAS_WA_BALANCE1-MNAMQEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSWAS_WA_BALANCE1-MNAMQEX.
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_EHSWAS_WA_BALANCE1_STR, 
MANDT TYPE STRING,
RECN TYPE STRING,
MNDATEDEL TYPE STRING,
MNDATEADO TYPE STRING,
BPID_1 TYPE STRING,
ROLE_1 TYPE STRING,
PARTNER_1 TYPE STRING,
NAME11 TYPE STRING,
POST_CODE11 TYPE STRING,
STREET11 TYPE STRING,
COUNTRY11 TYPE STRING,
MNRECNAPNO TYPE STRING,
MNRECNWAKEY TYPE STRING,
MNWAKEY TYPE STRING,
MNMATNR TYPE STRING,
APDISPROC TYPE STRING,
BPID_2 TYPE STRING,
ROLE_2 TYPE STRING,
PARTNER_2 TYPE STRING,
NAME21 TYPE STRING,
POST_CODE21 TYPE STRING,
STREET21 TYPE STRING,
COUNTRY21 TYPE STRING,
BPID_3 TYPE STRING,
ROLE_3 TYPE STRING,
PARTNER_3 TYPE STRING,
NAME31 TYPE STRING,
POST_CODE31 TYPE STRING,
STREET31 TYPE STRING,
COUNTRY31 TYPE STRING,
MNAMQIN TYPE STRING,
MNAMQEX TYPE STRING,
MNAMIN TYPE STRING,
MNAMEX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHSWAS_WA_BALANCE1_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_EHSWAS_WA_BALANCE1_STR-MANDT sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-RECN sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-MNDATEDEL sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-MNDATEADO sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-BPID_1 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-ROLE_1 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-PARTNER_1 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-NAME11 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-POST_CODE11 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-STREET11 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-COUNTRY11 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-MNRECNAPNO sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-MNRECNWAKEY sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-MNWAKEY sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-MNMATNR sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-APDISPROC sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-BPID_2 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-ROLE_2 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-PARTNER_2 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-NAME21 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-POST_CODE21 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-STREET21 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-COUNTRY21 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-BPID_3 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-ROLE_3 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-PARTNER_3 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-NAME31 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-POST_CODE31 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-STREET31 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-COUNTRY31 sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-MNAMQIN sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-MNAMQEX sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-MNAMIN sy-vline 
WA_EHSWAS_WA_BALANCE1_STR-MNAMEX sy-vline      INTO ld_text SEPARATED BY SPACE.

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