ABAP Select data from SAP table THMEXT_PLANNER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM THMEXT_PLANNER
*  INTO TABLE @DATA(IT_THMEXT_PLANNER2).
*--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_THMEXT_PLANNER INDEX 1 INTO DATA(WA_THMEXT_PLANNER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<THMEXT_PLANNER>-MANDT = 1.
<THMEXT_PLANNER>-BUKRS = 1.
<THMEXT_PLANNER>-PLANNERID = 1.
<THMEXT_PLANNER>-TEXT = 1.
<THMEXT_PLANNER>-RISKCAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_THMEXT_PLANNER-STARTTERM, sy-vline,
  WA_THMEXT_PLANNER-ENDTERM, sy-vline,
  WA_THMEXT_PLANNER-CRUSER, sy-vline,
  WA_THMEXT_PLANNER-CDATE, sy-vline,
  WA_THMEXT_PLANNER-UPUSER, sy-vline,
  WA_THMEXT_PLANNER-UDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_THMEXT_PLANNER 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_THMEXT_PLANNER 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_THMEXT_PLANNER INTO WA_THMEXT_PLANNER.


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

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

*Conversion exit ALPHA, internal->external for field LOANS_CONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_THMEXT_PLANNER-LOANS_CONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_THMEXT_PLANNER-LOANS_CONTRACT.
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_THMEXT_PLANNER_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
PLANNERID TYPE STRING,
TEXT TYPE STRING,
RISKCAT TYPE STRING,
STARTTERM TYPE STRING,
ENDTERM TYPE STRING,
CRUSER TYPE STRING,
CDATE TYPE STRING,
UPUSER TYPE STRING,
UDATE TYPE STRING,
TIME TYPE STRING,
LASTEXPOSUREID TYPE STRING,
SINGLEHEDGE TYPE STRING,
NOMINAL TYPE STRING,
CURRENCY TYPE STRING,
RFHA TYPE STRING,
RO_FLAG TYPE STRING,
LOANS_CONTRACT TYPE STRING,
PLAN_STATUS TYPE STRING,
HP_GROUP TYPE STRING,
HP_PROGRAM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_THMEXT_PLANNER_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_THMEXT_PLANNER_STR-MANDT sy-vline 
WA_THMEXT_PLANNER_STR-BUKRS sy-vline 
WA_THMEXT_PLANNER_STR-PLANNERID sy-vline 
WA_THMEXT_PLANNER_STR-TEXT sy-vline 
WA_THMEXT_PLANNER_STR-RISKCAT sy-vline 
WA_THMEXT_PLANNER_STR-STARTTERM sy-vline 
WA_THMEXT_PLANNER_STR-ENDTERM sy-vline 
WA_THMEXT_PLANNER_STR-CRUSER sy-vline 
WA_THMEXT_PLANNER_STR-CDATE sy-vline 
WA_THMEXT_PLANNER_STR-UPUSER sy-vline 
WA_THMEXT_PLANNER_STR-UDATE sy-vline 
WA_THMEXT_PLANNER_STR-TIME sy-vline 
WA_THMEXT_PLANNER_STR-LASTEXPOSUREID sy-vline 
WA_THMEXT_PLANNER_STR-SINGLEHEDGE sy-vline 
WA_THMEXT_PLANNER_STR-NOMINAL sy-vline 
WA_THMEXT_PLANNER_STR-CURRENCY sy-vline 
WA_THMEXT_PLANNER_STR-RFHA sy-vline 
WA_THMEXT_PLANNER_STR-RO_FLAG sy-vline 
WA_THMEXT_PLANNER_STR-LOANS_CONTRACT sy-vline 
WA_THMEXT_PLANNER_STR-PLAN_STATUS sy-vline 
WA_THMEXT_PLANNER_STR-HP_GROUP sy-vline 
WA_THMEXT_PLANNER_STR-HP_PROGRAM sy-vline      INTO ld_text SEPARATED BY SPACE.

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