ABAP Select data from SAP table ESH_U_EXPNSETLMT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_U_EXPNSETLMT
*  INTO TABLE @DATA(IT_ESH_U_EXPNSETLMT2).
*--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_ESH_U_EXPNSETLMT INDEX 1 INTO DATA(WA_ESH_U_EXPNSETLMT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_U_EXPNSETLMT>-MANDT = 1.
<ESH_U_EXPNSETLMT>-EXPNSETTLMT = 1.
<ESH_U_EXPNSETLMT>-BILLTOPARTYAUTH = 1.
<ESH_U_EXPNSETLMT>-BILLTOPARTYCOMPANYAUTH = 1.
<ESH_U_EXPNSETLMT>-PAYERPARTYAUTH = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_U_EXPNSETLMT-PAYERPARTYCOMPANYAUTH, sy-vline,
  WA_ESH_U_EXPNSETLMT-COMPANYCODENAME, sy-vline,
  WA_ESH_U_EXPNSETLMT-BILLTOPARTY, sy-vline,
  WA_ESH_U_EXPNSETLMT-PAYERPARTY, sy-vline,
  WA_ESH_U_EXPNSETLMT-CUSTOMERTOTALGROSSAMOUNT, sy-vline,
  WA_ESH_U_EXPNSETLMT-CUSTOMERTOTALNETAMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_U_EXPNSETLMT 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_ESH_U_EXPNSETLMT 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_ESH_U_EXPNSETLMT INTO WA_ESH_U_EXPNSETLMT.


*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 EXPNSETTLMT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_EXPNSETLMT-EXPNSETTLMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_EXPNSETLMT-EXPNSETTLMT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field PAYERPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_EXPNSETLMT-PAYERPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_EXPNSETLMT-PAYERPARTY.
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_ESH_U_EXPNSETLMT_STR, 
MANDT TYPE STRING,
EXPNSETTLMT TYPE STRING,
BILLTOPARTYAUTH TYPE STRING,
BILLTOPARTYCOMPANYAUTH TYPE STRING,
PAYERPARTYAUTH TYPE STRING,
PAYERPARTYCOMPANYAUTH TYPE STRING,
COMPANYCODENAME TYPE STRING,
BILLTOPARTY TYPE STRING,
PAYERPARTY TYPE STRING,
CUSTOMERTOTALGROSSAMOUNT TYPE STRING,
CUSTOMERTOTALNETAMOUNT TYPE STRING,
CUSTSETTLMTCOMPANYCODE TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DISTRIBUTIONCHANNELNAME TYPE STRING,
DIVISION TYPE STRING,
DIVISIONNAME TYPE STRING,
DOCUMENTDATE TYPE STRING,
EXPNSETTLMTCURRENCY TYPE STRING,
BILLTOPARTYNAME TYPE STRING,
PAYERPARTYNAME TYPE STRING,
POSTINGDATE TYPE STRING,
SALESORGANIZATION TYPE STRING,
SALESORGANIZATIONNAME TYPE STRING,
SETTLMTCAT TYPE STRING,
SETTLMTCATNAME TYPE STRING,
SETTLMTDOCCAT TYPE STRING,
SETTLMTDOCCATNAME TYPE STRING,
SETTLMTDOCTYPE TYPE STRING,
SETTLMTDOCTYPEDESC TYPE STRING,
SETTLMTMGMTACCTGTRANSFSTS TYPE STRING,
SETTLMTMGMTACCTGTRANSFSTSNAME TYPE STRING,
SETTLMTPROCESSTYPE TYPE STRING,
SETTLMTPROCESSTYPEDESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_U_EXPNSETLMT_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_ESH_U_EXPNSETLMT_STR-MANDT sy-vline 
WA_ESH_U_EXPNSETLMT_STR-EXPNSETTLMT sy-vline 
WA_ESH_U_EXPNSETLMT_STR-BILLTOPARTYAUTH sy-vline 
WA_ESH_U_EXPNSETLMT_STR-BILLTOPARTYCOMPANYAUTH sy-vline 
WA_ESH_U_EXPNSETLMT_STR-PAYERPARTYAUTH sy-vline 
WA_ESH_U_EXPNSETLMT_STR-PAYERPARTYCOMPANYAUTH sy-vline 
WA_ESH_U_EXPNSETLMT_STR-COMPANYCODENAME sy-vline 
WA_ESH_U_EXPNSETLMT_STR-BILLTOPARTY sy-vline 
WA_ESH_U_EXPNSETLMT_STR-PAYERPARTY sy-vline 
WA_ESH_U_EXPNSETLMT_STR-CUSTOMERTOTALGROSSAMOUNT sy-vline 
WA_ESH_U_EXPNSETLMT_STR-CUSTOMERTOTALNETAMOUNT sy-vline 
WA_ESH_U_EXPNSETLMT_STR-CUSTSETTLMTCOMPANYCODE sy-vline 
WA_ESH_U_EXPNSETLMT_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_ESH_U_EXPNSETLMT_STR-DISTRIBUTIONCHANNELNAME sy-vline 
WA_ESH_U_EXPNSETLMT_STR-DIVISION sy-vline 
WA_ESH_U_EXPNSETLMT_STR-DIVISIONNAME sy-vline 
WA_ESH_U_EXPNSETLMT_STR-DOCUMENTDATE sy-vline 
WA_ESH_U_EXPNSETLMT_STR-EXPNSETTLMTCURRENCY sy-vline 
WA_ESH_U_EXPNSETLMT_STR-BILLTOPARTYNAME sy-vline 
WA_ESH_U_EXPNSETLMT_STR-PAYERPARTYNAME sy-vline 
WA_ESH_U_EXPNSETLMT_STR-POSTINGDATE sy-vline 
WA_ESH_U_EXPNSETLMT_STR-SALESORGANIZATION sy-vline 
WA_ESH_U_EXPNSETLMT_STR-SALESORGANIZATIONNAME sy-vline 
WA_ESH_U_EXPNSETLMT_STR-SETTLMTCAT sy-vline 
WA_ESH_U_EXPNSETLMT_STR-SETTLMTCATNAME sy-vline 
WA_ESH_U_EXPNSETLMT_STR-SETTLMTDOCCAT sy-vline 
WA_ESH_U_EXPNSETLMT_STR-SETTLMTDOCCATNAME sy-vline 
WA_ESH_U_EXPNSETLMT_STR-SETTLMTDOCTYPE sy-vline 
WA_ESH_U_EXPNSETLMT_STR-SETTLMTDOCTYPEDESC sy-vline 
WA_ESH_U_EXPNSETLMT_STR-SETTLMTMGMTACCTGTRANSFSTS sy-vline 
WA_ESH_U_EXPNSETLMT_STR-SETTLMTMGMTACCTGTRANSFSTSNAME sy-vline 
WA_ESH_U_EXPNSETLMT_STR-SETTLMTPROCESSTYPE sy-vline 
WA_ESH_U_EXPNSETLMT_STR-SETTLMTPROCESSTYPEDESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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