ABAP Select data from SAP table JVA_EA_PROGPARS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP JVA_EA_PROGPARS 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_EA_PROGPARS. 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_EA_PROGPARS 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_EA_PROGPARS TYPE STANDARD TABLE OF JVA_EA_PROGPARS,
      WA_JVA_EA_PROGPARS TYPE JVA_EA_PROGPARS,
      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_EA_PROGPARS> TYPE JVA_EA_PROGPARS.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JVA_EA_PROGPARS
*  INTO TABLE @DATA(IT_JVA_EA_PROGPARS2).
*--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_EA_PROGPARS INDEX 1 INTO DATA(WA_JVA_EA_PROGPARS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JVA_EA_PROGPARS>-BUKRS = 1.
<JVA_EA_PROGPARS>-VNAME = 1.
<JVA_EA_PROGPARS>-YEAR = 1.
<JVA_EA_PROGPARS>-PERIOD = 1.
<JVA_EA_PROGPARS>-POPER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JVA_EA_PROGPARS-EQOLD, sy-vline,
  WA_JVA_EA_PROGPARS-EQNEW, sy-vline,
  WA_JVA_EA_PROGPARS-FRDATE, sy-vline,
  WA_JVA_EA_PROGPARS-TODATE, sy-vline,
  WA_JVA_EA_PROGPARS-EQCHNG, sy-vline,
  WA_JVA_EA_PROGPARS-CUTBCK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JVA_EA_PROGPARS 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_EA_PROGPARS 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_EA_PROGPARS INTO WA_JVA_EA_PROGPARS.


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

*Conversion exit GJAHR, internal->external for field YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_JVA_EA_PROGPARS-YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVA_EA_PROGPARS-YEAR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field SETTLEMENT_ACC_CC2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVA_EA_PROGPARS-SETTLEMENT_ACC_CC2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVA_EA_PROGPARS-SETTLEMENT_ACC_CC2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_JVA_EA_PROGPARS-FYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVA_EA_PROGPARS-FYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FROM_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_JVA_EA_PROGPARS-FROM_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVA_EA_PROGPARS-FROM_YEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field TO_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_JVA_EA_PROGPARS-TO_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVA_EA_PROGPARS-TO_YEAR.
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_EA_PROGPARS_STR, 
BUKRS TYPE STRING,
VNAME TYPE STRING,
YEAR TYPE STRING,
PERIOD TYPE STRING,
POPER TYPE STRING,
EQOLD TYPE STRING,
EQNEW TYPE STRING,
FRDATE TYPE STRING,
TODATE TYPE STRING,
EQCHNG TYPE STRING,
CUTBCK TYPE STRING,
ICOREV TYPE STRING,
INTCOC TYPE STRING,
CASHC1 TYPE STRING,
CASHC2 TYPE STRING,
SETTLEMENT_ACC_CC2 TYPE STRING,
T_BUDAT TYPE STRING,
T_ACCT TYPE STRING,
EXCLOI TYPE STRING,
T_CNTR TYPE STRING,
T_ORDNR TYPE STRING,
T_PROJK TYPE STRING,
T_NPLNR TYPE STRING,
T_VORNR TYPE STRING,
BUDAT TYPE STRING,
BKTXT TYPE STRING,
INVOICE_PER_EQUITY_GROUP TYPE STRING,
INVOICE_PER_PARTNER TYPE STRING,
INVOICE_PER_EXPENSE_ITEM TYPE STRING,
ANALYSIS_ONLY TYPE STRING,
TEST TYPE STRING,
S_SCHEDMAN_KEY TYPE STRING,
MANDT TYPE STRING,
ID TYPE STRING,
CBRUNID TYPE STRING,
S_T8JEV TYPE STRING,
MANDT TYPE STRING,
BUKRS TYPE STRING,
PROCESS TYPE STRING,
FYEAR TYPE STRING,
POPER TYPE STRING,
SEQNO TYPE STRING,
ERNAM TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
REFNR TYPE STRING,
STATUS TYPE STRING,
PLOCK TYPE STRING,
REPID_CALLBACK TYPE STRING,
FROM_PERIOD TYPE STRING,
FROM_YEAR TYPE STRING,
TO_PERIOD TYPE STRING,
TO_YEAR TYPE STRING,
INCEPTION_TO_DATE TYPE STRING,
FARM_IN_OUT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JVA_EA_PROGPARS_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_EA_PROGPARS_STR-BUKRS sy-vline 
WA_JVA_EA_PROGPARS_STR-VNAME sy-vline 
WA_JVA_EA_PROGPARS_STR-YEAR sy-vline 
WA_JVA_EA_PROGPARS_STR-PERIOD sy-vline 
WA_JVA_EA_PROGPARS_STR-POPER sy-vline 
WA_JVA_EA_PROGPARS_STR-EQOLD sy-vline 
WA_JVA_EA_PROGPARS_STR-EQNEW sy-vline 
WA_JVA_EA_PROGPARS_STR-FRDATE sy-vline 
WA_JVA_EA_PROGPARS_STR-TODATE sy-vline 
WA_JVA_EA_PROGPARS_STR-EQCHNG sy-vline 
WA_JVA_EA_PROGPARS_STR-CUTBCK sy-vline 
WA_JVA_EA_PROGPARS_STR-ICOREV sy-vline 
WA_JVA_EA_PROGPARS_STR-INTCOC sy-vline 
WA_JVA_EA_PROGPARS_STR-CASHC1 sy-vline 
WA_JVA_EA_PROGPARS_STR-CASHC2 sy-vline 
WA_JVA_EA_PROGPARS_STR-SETTLEMENT_ACC_CC2 sy-vline 
WA_JVA_EA_PROGPARS_STR-T_BUDAT sy-vline 
WA_JVA_EA_PROGPARS_STR-T_ACCT sy-vline 
WA_JVA_EA_PROGPARS_STR-EXCLOI sy-vline 
WA_JVA_EA_PROGPARS_STR-T_CNTR sy-vline 
WA_JVA_EA_PROGPARS_STR-T_ORDNR sy-vline 
WA_JVA_EA_PROGPARS_STR-T_PROJK sy-vline 
WA_JVA_EA_PROGPARS_STR-T_NPLNR sy-vline 
WA_JVA_EA_PROGPARS_STR-T_VORNR sy-vline 
WA_JVA_EA_PROGPARS_STR-BUDAT sy-vline 
WA_JVA_EA_PROGPARS_STR-BKTXT sy-vline 
WA_JVA_EA_PROGPARS_STR-INVOICE_PER_EQUITY_GROUP sy-vline 
WA_JVA_EA_PROGPARS_STR-INVOICE_PER_PARTNER sy-vline 
WA_JVA_EA_PROGPARS_STR-INVOICE_PER_EXPENSE_ITEM sy-vline 
WA_JVA_EA_PROGPARS_STR-ANALYSIS_ONLY sy-vline 
WA_JVA_EA_PROGPARS_STR-TEST sy-vline 
WA_JVA_EA_PROGPARS_STR-S_SCHEDMAN_KEY sy-vline 
WA_JVA_EA_PROGPARS_STR-MANDT sy-vline 
WA_JVA_EA_PROGPARS_STR-ID sy-vline 
WA_JVA_EA_PROGPARS_STR-CBRUNID sy-vline 
WA_JVA_EA_PROGPARS_STR-S_T8JEV sy-vline 
WA_JVA_EA_PROGPARS_STR-MANDT sy-vline 
WA_JVA_EA_PROGPARS_STR-BUKRS sy-vline 
WA_JVA_EA_PROGPARS_STR-PROCESS sy-vline 
WA_JVA_EA_PROGPARS_STR-FYEAR sy-vline 
WA_JVA_EA_PROGPARS_STR-POPER sy-vline 
WA_JVA_EA_PROGPARS_STR-SEQNO sy-vline 
WA_JVA_EA_PROGPARS_STR-ERNAM sy-vline 
WA_JVA_EA_PROGPARS_STR-CPUDT sy-vline 
WA_JVA_EA_PROGPARS_STR-CPUTM sy-vline 
WA_JVA_EA_PROGPARS_STR-REFNR sy-vline 
WA_JVA_EA_PROGPARS_STR-STATUS sy-vline 
WA_JVA_EA_PROGPARS_STR-PLOCK sy-vline 
WA_JVA_EA_PROGPARS_STR-REPID_CALLBACK sy-vline 
WA_JVA_EA_PROGPARS_STR-FROM_PERIOD sy-vline 
WA_JVA_EA_PROGPARS_STR-FROM_YEAR sy-vline 
WA_JVA_EA_PROGPARS_STR-TO_PERIOD sy-vline 
WA_JVA_EA_PROGPARS_STR-TO_YEAR sy-vline 
WA_JVA_EA_PROGPARS_STR-INCEPTION_TO_DATE sy-vline 
WA_JVA_EA_PROGPARS_STR-FARM_IN_OUT sy-vline      INTO ld_text SEPARATED BY SPACE.

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