ABAP Select data from SAP table ESH_L_LEGALTR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ESH_L_LEGALTR 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_L_LEGALTR. 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_L_LEGALTR 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_L_LEGALTR TYPE STANDARD TABLE OF ESH_L_LEGALTR,
      WA_ESH_L_LEGALTR TYPE ESH_L_LEGALTR,
      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_L_LEGALTR> TYPE ESH_L_LEGALTR.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_L_LEGALTR
*  INTO TABLE @DATA(IT_ESH_L_LEGALTR2).
*--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_L_LEGALTR INDEX 1 INTO DATA(WA_ESH_L_LEGALTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_L_LEGALTR>-MANDT = 1.
<ESH_L_LEGALTR>-LEGALTRANSACTIONUUID = 1.
<ESH_L_LEGALTR>-MAIN_ENTITY_CC = 1.
<ESH_L_LEGALTR>-ENTITY_CC = 1.
<ESH_L_LEGALTR>-MAIN_ORG_CC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_L_LEGALTR-CHANGED_BY_NAME, sy-vline,
  WA_ESH_L_LEGALTR-INT_CNT_NAME, sy-vline,
  WA_ESH_L_LEGALTR-CREATED_BY_NAME, sy-vline,
  WA_ESH_L_LEGALTR-ISENDOFPURPOSEBLOCKED, sy-vline,
  WA_ESH_L_LEGALTR-LANGUAGENAME, sy-vline,
  WA_ESH_L_LEGALTR-LEGALTRANSACTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_L_LEGALTR 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_L_LEGALTR 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_L_LEGALTR INTO WA_ESH_L_LEGALTR.


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

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

*Conversion exit ALPHA, internal->external for field RELSHPLEGALTRANSACTION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_L_LEGALTR-RELSHPLEGALTRANSACTION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_L_LEGALTR-RELSHPLEGALTRANSACTION.
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_L_LEGALTR_STR, 
MANDT TYPE STRING,
LEGALTRANSACTIONUUID TYPE STRING,
MAIN_ENTITY_CC TYPE STRING,
ENTITY_CC TYPE STRING,
MAIN_ORG_CC TYPE STRING,
CHANGED_BY_NAME TYPE STRING,
INT_CNT_NAME TYPE STRING,
CREATED_BY_NAME TYPE STRING,
ISENDOFPURPOSEBLOCKED TYPE STRING,
LANGUAGENAME TYPE STRING,
LEGALTRANSACTION TYPE STRING,
LEGALTRANSACTIONHEALTHNAME TYPE STRING,
LEGALTRANSACTIONTITLE TYPE STRING,
LGLCNTNTMACCESSLVLNAME TYPE STRING,
PARENT_CATEGORY_NAME TYPE STRING,
LGLCNTNTMCATEGORYNAME TYPE STRING,
LGLCNTNTMCHANGEDUTCDATETIME TYPE STRING,
LGLCNTNTMCONTEXT TYPE STRING,
LGLCNTNTMCONTEXTTITLE TYPE STRING,
LGLCNTNTMCREATEDUTCDATETIME TYPE STRING,
MAIN_ENTITY_TYPE TYPE STRING,
ENTITY_TYPE TYPE STRING,
LGLCNTNTMGOVLAWTEXT TYPE STRING,
LGLCNTNTMINTCNTCTUSER TYPE STRING,
LGLCNTNTMLINKDOBJ TYPE STRING,
LGLCNTNTMLINKDOBJTYPENAME TYPE STRING,
LGLCNTNTMMAINORGCOCODE TYPE STRING,
LGLCNTNTMMAINORGPURORG TYPE STRING,
LGLCNTNTMMAINORGSALESORG TYPE STRING,
LGLCNTNTMMAINORGTYPENAME TYPE STRING,
LGLCNTNTMPROFILE TYPE STRING,
LGLTRANSACCESSLVL TYPE STRING,
MAIN_ENTITY_SUP1 TYPE STRING,
ENTITY_CUS1 TYPE STRING,
ENTITY_SUP1 TYPE STRING,
MAIN_ENTITY_CUS1 TYPE STRING,
ENTITY_SUP2 TYPE STRING,
MAIN_ENTITY_SUP2 TYPE STRING,
ENTITY_CUS2 TYPE STRING,
MAIN_ENTITY_CUS2 TYPE STRING,
MAIN_ORG_PO TYPE STRING,
ENTITY_PO TYPE STRING,
MAIN_ENTITY_PO TYPE STRING,
RELSHPLEGALTRANSACTION TYPE STRING,
MAIN_ORG_SO TYPE STRING,
ENTITY_SO TYPE STRING,
MAIN_ENTITY_SO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_L_LEGALTR_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_L_LEGALTR_STR-MANDT sy-vline 
WA_ESH_L_LEGALTR_STR-LEGALTRANSACTIONUUID sy-vline 
WA_ESH_L_LEGALTR_STR-MAIN_ENTITY_CC sy-vline 
WA_ESH_L_LEGALTR_STR-ENTITY_CC sy-vline 
WA_ESH_L_LEGALTR_STR-MAIN_ORG_CC sy-vline 
WA_ESH_L_LEGALTR_STR-CHANGED_BY_NAME sy-vline 
WA_ESH_L_LEGALTR_STR-INT_CNT_NAME sy-vline 
WA_ESH_L_LEGALTR_STR-CREATED_BY_NAME sy-vline 
WA_ESH_L_LEGALTR_STR-ISENDOFPURPOSEBLOCKED sy-vline 
WA_ESH_L_LEGALTR_STR-LANGUAGENAME sy-vline 
WA_ESH_L_LEGALTR_STR-LEGALTRANSACTION sy-vline 
WA_ESH_L_LEGALTR_STR-LEGALTRANSACTIONHEALTHNAME sy-vline 
WA_ESH_L_LEGALTR_STR-LEGALTRANSACTIONTITLE sy-vline 
WA_ESH_L_LEGALTR_STR-LGLCNTNTMACCESSLVLNAME sy-vline 
WA_ESH_L_LEGALTR_STR-PARENT_CATEGORY_NAME sy-vline 
WA_ESH_L_LEGALTR_STR-LGLCNTNTMCATEGORYNAME sy-vline 
WA_ESH_L_LEGALTR_STR-LGLCNTNTMCHANGEDUTCDATETIME sy-vline 
WA_ESH_L_LEGALTR_STR-LGLCNTNTMCONTEXT sy-vline 
WA_ESH_L_LEGALTR_STR-LGLCNTNTMCONTEXTTITLE sy-vline 
WA_ESH_L_LEGALTR_STR-LGLCNTNTMCREATEDUTCDATETIME sy-vline 
WA_ESH_L_LEGALTR_STR-MAIN_ENTITY_TYPE sy-vline 
WA_ESH_L_LEGALTR_STR-ENTITY_TYPE sy-vline 
WA_ESH_L_LEGALTR_STR-LGLCNTNTMGOVLAWTEXT sy-vline 
WA_ESH_L_LEGALTR_STR-LGLCNTNTMINTCNTCTUSER sy-vline 
WA_ESH_L_LEGALTR_STR-LGLCNTNTMLINKDOBJ sy-vline 
WA_ESH_L_LEGALTR_STR-LGLCNTNTMLINKDOBJTYPENAME sy-vline 
WA_ESH_L_LEGALTR_STR-LGLCNTNTMMAINORGCOCODE sy-vline 
WA_ESH_L_LEGALTR_STR-LGLCNTNTMMAINORGPURORG sy-vline 
WA_ESH_L_LEGALTR_STR-LGLCNTNTMMAINORGSALESORG sy-vline 
WA_ESH_L_LEGALTR_STR-LGLCNTNTMMAINORGTYPENAME sy-vline 
WA_ESH_L_LEGALTR_STR-LGLCNTNTMPROFILE sy-vline 
WA_ESH_L_LEGALTR_STR-LGLTRANSACCESSLVL sy-vline 
WA_ESH_L_LEGALTR_STR-MAIN_ENTITY_SUP1 sy-vline 
WA_ESH_L_LEGALTR_STR-ENTITY_CUS1 sy-vline 
WA_ESH_L_LEGALTR_STR-ENTITY_SUP1 sy-vline 
WA_ESH_L_LEGALTR_STR-MAIN_ENTITY_CUS1 sy-vline 
WA_ESH_L_LEGALTR_STR-ENTITY_SUP2 sy-vline 
WA_ESH_L_LEGALTR_STR-MAIN_ENTITY_SUP2 sy-vline 
WA_ESH_L_LEGALTR_STR-ENTITY_CUS2 sy-vline 
WA_ESH_L_LEGALTR_STR-MAIN_ENTITY_CUS2 sy-vline 
WA_ESH_L_LEGALTR_STR-MAIN_ORG_PO sy-vline 
WA_ESH_L_LEGALTR_STR-ENTITY_PO sy-vline 
WA_ESH_L_LEGALTR_STR-MAIN_ENTITY_PO sy-vline 
WA_ESH_L_LEGALTR_STR-RELSHPLEGALTRANSACTION sy-vline 
WA_ESH_L_LEGALTR_STR-MAIN_ORG_SO sy-vline 
WA_ESH_L_LEGALTR_STR-ENTITY_SO sy-vline 
WA_ESH_L_LEGALTR_STR-MAIN_ENTITY_SO sy-vline      INTO ld_text SEPARATED BY SPACE.

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