ABAP Select data from SAP table JVA_MDR_DRF_JOA_OUT_FULL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JVA_MDR_DRF_JOA_OUT_FULL
*  INTO TABLE @DATA(IT_JVA_MDR_DRF_JOA_OUT_FULL2).
*--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_JVA_MDR_DRF_JOA_OUT_FULL INDEX 1 INTO DATA(WA_JVA_MDR_DRF_JOA_OUT_FULL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JVA_MDR_DRF_JOA_OUT_FULL>-MANDT = 1.
<JVA_MDR_DRF_JOA_OUT_FULL>-BUKRS = 1.
<JVA_MDR_DRF_JOA_OUT_FULL>-JOA = 1.
<JVA_MDR_DRF_JOA_OUT_FULL>-CONTRACT = 1.
<JVA_MDR_DRF_JOA_OUT_FULL>-PAYSET = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JVA_MDR_DRF_JOA_OUT_FULL-DFPAY, sy-vline,
  WA_JVA_MDR_DRF_JOA_OUT_FULL-NDPAY, sy-vline,
  WA_JVA_MDR_DRF_JOA_OUT_FULL-XSETCON, sy-vline,
  WA_JVA_MDR_DRF_JOA_OUT_FULL-XSETCAT, sy-vline,
  WA_JVA_MDR_DRF_JOA_OUT_FULL-CONRULE, sy-vline,
  WA_JVA_MDR_DRF_JOA_OUT_FULL-CATRULE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JVA_MDR_DRF_JOA_OUT_FULL 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_JVA_MDR_DRF_JOA_OUT_FULL 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_JVA_MDR_DRF_JOA_OUT_FULL INTO WA_JVA_MDR_DRF_JOA_OUT_FULL.


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

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

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

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

*Conversion exit ALPHA, internal->external for field MDR_LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVA_MDR_DRF_JOA_OUT_FULL-MDR_LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVA_MDR_DRF_JOA_OUT_FULL-MDR_LOGSYS.
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_JVA_MDR_DRF_JOA_OUT_FULL_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
JOA TYPE STRING,
CONTRACT TYPE STRING,
PAYSET TYPE STRING,
DFPAY TYPE STRING,
NDPAY TYPE STRING,
XSETCON TYPE STRING,
XSETCAT TYPE STRING,
CONRULE TYPE STRING,
CATRULE TYPE STRING,
PER1 TYPE STRING,
XPER1 TYPE STRING,
PER2 TYPE STRING,
XPER2 TYPE STRING,
EXPRULE TYPE STRING,
DRLRULE TYPE STRING,
XSETCAP TYPE STRING,
OFFCC TYPE STRING,
JOAPRTH TYPE STRING,
RECDOC TYPE STRING,
FLATRATE TYPE STRING,
ESCAL TYPE STRING,
ACLASS TYPE STRING,
CRUSER TYPE STRING,
CRTIME TYPE STRING,
CRDATE TYPE STRING,
CHUSER TYPE STRING,
CHTIME TYPE STRING,
CHDATE TYPE STRING,
NONCOMP TYPE STRING,
DRILLP TYPE STRING,
ALLWBS TYPE STRING,
MDR_ACTION TYPE STRING,
MDR_LOGSYS TYPE STRING,
MDR_UNAME TYPE STRING,
MDR_TIMESTAMP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JVA_MDR_DRF_JOA_OUT_FULL_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_JVA_MDR_DRF_JOA_OUT_FULL_STR-MANDT sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-BUKRS sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-JOA sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-CONTRACT sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-PAYSET sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-DFPAY sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-NDPAY sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-XSETCON sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-XSETCAT sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-CONRULE sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-CATRULE sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-PER1 sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-XPER1 sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-PER2 sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-XPER2 sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-EXPRULE sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-DRLRULE sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-XSETCAP sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-OFFCC sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-JOAPRTH sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-RECDOC sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-FLATRATE sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-ESCAL sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-ACLASS sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-CRUSER sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-CRTIME sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-CRDATE sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-CHUSER sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-CHTIME sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-CHDATE sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-NONCOMP sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-DRILLP sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-ALLWBS sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-MDR_ACTION sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-MDR_LOGSYS sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-MDR_UNAME sy-vline 
WA_JVA_MDR_DRF_JOA_OUT_FULL_STR-MDR_TIMESTAMP sy-vline      INTO ld_text SEPARATED BY SPACE.

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