ABAP Select data from SAP table TRCON_CONTRACT_DATA_MM_EHP7 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP TRCON_CONTRACT_DATA_MM_EHP7 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 TRCON_CONTRACT_DATA_MM_EHP7. 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 TRCON_CONTRACT_DATA_MM_EHP7 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_TRCON_CONTRACT_DATA_MM_EHP7 TYPE STANDARD TABLE OF TRCON_CONTRACT_DATA_MM_EHP7,
      WA_TRCON_CONTRACT_DATA_MM_EHP7 TYPE TRCON_CONTRACT_DATA_MM_EHP7,
      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: <TRCON_CONTRACT_DATA_MM_EHP7> TYPE TRCON_CONTRACT_DATA_MM_EHP7.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_TRCON_CONTRACT_DATA_MM_EHP7.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM TRCON_CONTRACT_DATA_MM_EHP7
  INTO TABLE IT_TRCON_CONTRACT_DATA_MM_EHP7.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TRCON_CONTRACT_DATA_MM_EHP7
*  INTO TABLE @DATA(IT_TRCON_CONTRACT_DATA_MM_EHP72).
*--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_TRCON_CONTRACT_DATA_MM_EHP7 INDEX 1 INTO DATA(WA_TRCON_CONTRACT_DATA_MM_EHP72).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_TRCON_CONTRACT_DATA_MM_EHP7 ASSIGNING <TRCON_CONTRACT_DATA_MM_EHP7>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TRCON_CONTRACT_DATA_MM_EHP7>-MM_LOP_LIST_HD = 1.
<TRCON_CONTRACT_DATA_MM_EHP7>-MM_LOP_VALUE_HD = 1.
<TRCON_CONTRACT_DATA_MM_EHP7>-MM_LOP_ALL_HD = 1.
<TRCON_CONTRACT_DATA_MM_EHP7>-MM_LOP_LIST_IT = 1.
<TRCON_CONTRACT_DATA_MM_EHP7>-MM_LOP_VALUE_IT = 1.

ENDLOOP.

LOOP AT IT_TRCON_CONTRACT_DATA_MM_EHP7 INTO WA_TRCON_CONTRACT_DATA_MM_EHP7.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TRCON_CONTRACT_DATA_MM_EHP7-MM_IT_COND_QTYCNVFACT, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_TRCON_CONTRACT_DATA_MM_EHP7 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_TRCON_CONTRACT_DATA_MM_EHP7 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_TRCON_CONTRACT_DATA_MM_EHP7 INTO WA_TRCON_CONTRACT_DATA_MM_EHP7.


*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_TRCON_CONTRACT_DATA_MM_EHP7_STR, 
MM_LOP_LIST_HD TYPE STRING,
MM_LOP_VALUE_HD TYPE STRING,
MM_LOP_ALL_HD TYPE STRING,
MM_LOP_LIST_IT TYPE STRING,
MM_LOP_VALUE_IT TYPE STRING,
MM_IT_COND_QTYCNVFACT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TRCON_CONTRACT_DATA_MM_EHP7_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_TRCON_CONTRACT_DATA_MM_EHP7_STR-MM_LOP_LIST_HD sy-vline 
WA_TRCON_CONTRACT_DATA_MM_EHP7_STR-MM_LOP_VALUE_HD sy-vline 
WA_TRCON_CONTRACT_DATA_MM_EHP7_STR-MM_LOP_ALL_HD sy-vline 
WA_TRCON_CONTRACT_DATA_MM_EHP7_STR-MM_LOP_LIST_IT sy-vline 
WA_TRCON_CONTRACT_DATA_MM_EHP7_STR-MM_LOP_VALUE_IT sy-vline 
WA_TRCON_CONTRACT_DATA_MM_EHP7_STR-MM_IT_COND_QTYCNVFACT sy-vline      INTO ld_text SEPARATED BY SPACE.

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