ABAP Select data from SAP table RLOS_LOAN_MD into internal table

Get Example source ABAP code based on a different SAP table
  

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RLOS_LOAN_MD
*  INTO TABLE @DATA(IT_RLOS_LOAN_MD2).
*--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_RLOS_LOAN_MD INDEX 1 INTO DATA(WA_RLOS_LOAN_MD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RLOS_LOAN_MD ASSIGNING <RLOS_LOAN_MD>.
*To update a field value using a field symbol simply change the value via the field symbol pointer
<RLOS_LOAN_MD>-PURPOSEIDENTIFIER = 1.
<RLOS_LOAN_MD>-STARTDATE = 1.
<RLOS_LOAN_MD>-ENDDATE = 1.
<RLOS_LOAN_MD>-VALIDFROM = 1.
<RLOS_LOAN_MD>-VALIDTO = 1.
ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RLOS_LOAN_MD-COMMITMENTCAPITAL, sy-vline,
WA_RLOS_LOAN_MD-CONTRACTCURRENCY, sy-vline,
WA_RLOS_LOAN_MD-INTERESTCALCULATIONMETHOD, sy-vline,
WA_RLOS_LOAN_MD-EFFECTIVEYIELDMETHOD, sy-vline,
WA_RLOS_LOAN_MD-DISAGIO, sy-vline,
WA_RLOS_LOAN_MD-DISAGIO_HANDLING, sy-vline.
ENDLOOP. *Add any further fields from structure WA_RLOS_LOAN_MD 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_RLOS_LOAN_MD 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_RLOS_LOAN_MD INTO WA_RLOS_LOAN_MD. *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_RLOS_LOAN_MD_STR,
PURPOSEIDENTIFIER TYPE STRING,
STARTDATE TYPE STRING,
ENDDATE TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
COMMITMENTCAPITAL TYPE STRING,
CONTRACTCURRENCY TYPE STRING,
INTERESTCALCULATIONMETHOD TYPE STRING,
EFFECTIVEYIELDMETHOD TYPE STRING,
DISAGIO TYPE STRING,
DISAGIO_HANDLING TYPE STRING,
EFFECTIVEINTEREST TYPE STRING,
EFFECTIVEINTERESTFREQUENCY TYPE STRING,
INTEREST_HANDLING TYPE STRING,
CHARACTERISTIC1 TYPE STRING,
CHARACTERISTIC2 TYPE STRING,END OF T_EKKO_STR. DATA: WA_RLOS_LOAN_MD_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_RLOS_LOAN_MD_STR-PURPOSEIDENTIFIER sy-vline
WA_RLOS_LOAN_MD_STR-STARTDATE sy-vline
WA_RLOS_LOAN_MD_STR-ENDDATE sy-vline
WA_RLOS_LOAN_MD_STR-VALIDFROM sy-vline
WA_RLOS_LOAN_MD_STR-VALIDTO sy-vline
WA_RLOS_LOAN_MD_STR-COMMITMENTCAPITAL sy-vline
WA_RLOS_LOAN_MD_STR-CONTRACTCURRENCY sy-vline
WA_RLOS_LOAN_MD_STR-INTERESTCALCULATIONMETHOD sy-vline
WA_RLOS_LOAN_MD_STR-EFFECTIVEYIELDMETHOD sy-vline
WA_RLOS_LOAN_MD_STR-DISAGIO sy-vline
WA_RLOS_LOAN_MD_STR-DISAGIO_HANDLING sy-vline
WA_RLOS_LOAN_MD_STR-EFFECTIVEINTEREST sy-vline
WA_RLOS_LOAN_MD_STR-EFFECTIVEINTERESTFREQUENCY sy-vline
WA_RLOS_LOAN_MD_STR-INTEREST_HANDLING sy-vline
WA_RLOS_LOAN_MD_STR-CHARACTERISTIC1 sy-vline
WA_RLOS_LOAN_MD_STR-CHARACTERISTIC2 sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.