ABAP Select data from SAP table JVPSC01T into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP JVPSC01T 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 JVPSC01T. 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 JVPSC01T 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_JVPSC01T TYPE STANDARD TABLE OF JVPSC01T,
      WA_JVPSC01T TYPE JVPSC01T,
      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: <JVPSC01T> TYPE JVPSC01T.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_JVPSC01T.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM JVPSC01T
  INTO TABLE IT_JVPSC01T.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JVPSC01T
*  INTO TABLE @DATA(IT_JVPSC01T2).
*--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_JVPSC01T INDEX 1 INTO DATA(WA_JVPSC01T2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_JVPSC01T ASSIGNING <JVPSC01T>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JVPSC01T>-RCLNT = 1.
<JVPSC01T>-RLDNR = 1.
<JVPSC01T>-RRCTY = 1.
<JVPSC01T>-RVERS = 1.
<JVPSC01T>-RYEAR = 1.

ENDLOOP.

LOOP AT IT_JVPSC01T INTO WA_JVPSC01T.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JVPSC01T-ROBJNR, sy-vline,
  WA_JVPSC01T-COBJNR, sy-vline,
  WA_JVPSC01T-SOBJNR, sy-vline,
  WA_JVPSC01T-RTCUR, sy-vline,
  WA_JVPSC01T-RUNIT, sy-vline,
  WA_JVPSC01T-DRCRK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JVPSC01T 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_JVPSC01T 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_JVPSC01T INTO WA_JVPSC01T.


*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 RLDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVPSC01T-RLDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVPSC01T-RLDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RVERS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVPSC01T-RVERS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVPSC01T-RVERS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field RYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_JVPSC01T-RYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVPSC01T-RYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field RUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_JVPSC01T-RUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVPSC01T-RUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RJVNAM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVPSC01T-RJVNAM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVPSC01T-RJVNAM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REGROU
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVPSC01T-REGROU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVPSC01T-REGROU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RACCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVPSC01T-RACCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVPSC01T-RACCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RCNTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVPSC01T-RCNTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVPSC01T-RCNTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RORDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVPSC01T-RORDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVPSC01T-RORDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field RPROJK
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_JVPSC01T-RPROJK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVPSC01T-RPROJK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RPRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVPSC01T-RPRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVPSC01T-RPRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RRECIN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVPSC01T-RRECIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVPSC01T-RRECIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVPSC01T-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVPSC01T-LOGSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVPSC01T-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVPSC01T-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVPSC01T-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVPSC01T-ANLN2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JVPSC01T-PARTN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JVPSC01T-PARTN.
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_JVPSC01T_STR, 
RCLNT TYPE STRING,
RLDNR TYPE STRING,
RRCTY TYPE STRING,
RVERS TYPE STRING,
RYEAR TYPE STRING,
ROBJNR TYPE STRING,
COBJNR TYPE STRING,
SOBJNR TYPE STRING,
RTCUR TYPE STRING,
RUNIT TYPE STRING,
DRCRK TYPE STRING,
RPMAX TYPE STRING,
RBUKRS TYPE STRING,
RPSC_NAME TYPE STRING,
RPSC_PRODUCT TYPE STRING,
RJVNAM TYPE STRING,
REGROU TYPE STRING,
RACCT TYPE STRING,
RBUSA TYPE STRING,
RCNTR TYPE STRING,
RORDNR TYPE STRING,
RPROJK TYPE STRING,
RPRCTR TYPE STRING,
RAUFPL TYPE STRING,
RAPLZL TYPE STRING,
RRECIN TYPE STRING,
LOGSYS TYPE STRING,
PSC_CALC_TYPE TYPE STRING,
PSC_PER_COST TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
ANBWA TYPE STRING,
PARTN TYPE STRING,
SPSC_NAME TYPE STRING,
SPSC_PRODUCT TYPE STRING,
TSLVT TYPE STRING,
TSL01 TYPE STRING,
TSL02 TYPE STRING,
TSL03 TYPE STRING,
TSL04 TYPE STRING,
TSL05 TYPE STRING,
TSL06 TYPE STRING,
TSL07 TYPE STRING,
TSL08 TYPE STRING,
TSL09 TYPE STRING,
TSL10 TYPE STRING,
TSL11 TYPE STRING,
TSL12 TYPE STRING,
TSL13 TYPE STRING,
TSL14 TYPE STRING,
TSL15 TYPE STRING,
TSL16 TYPE STRING,
HSLVT TYPE STRING,
HSL01 TYPE STRING,
HSL02 TYPE STRING,
HSL03 TYPE STRING,
HSL04 TYPE STRING,
HSL05 TYPE STRING,
HSL06 TYPE STRING,
HSL07 TYPE STRING,
HSL08 TYPE STRING,
HSL09 TYPE STRING,
HSL10 TYPE STRING,
HSL11 TYPE STRING,
HSL12 TYPE STRING,
HSL13 TYPE STRING,
HSL14 TYPE STRING,
HSL15 TYPE STRING,
HSL16 TYPE STRING,
KSLVT TYPE STRING,
KSL01 TYPE STRING,
KSL02 TYPE STRING,
KSL03 TYPE STRING,
KSL04 TYPE STRING,
KSL05 TYPE STRING,
KSL06 TYPE STRING,
KSL07 TYPE STRING,
KSL08 TYPE STRING,
KSL09 TYPE STRING,
KSL10 TYPE STRING,
KSL11 TYPE STRING,
KSL12 TYPE STRING,
KSL13 TYPE STRING,
KSL14 TYPE STRING,
KSL15 TYPE STRING,
KSL16 TYPE STRING,
MSLVT TYPE STRING,
MSL01 TYPE STRING,
MSL02 TYPE STRING,
MSL03 TYPE STRING,
MSL04 TYPE STRING,
MSL05 TYPE STRING,
MSL06 TYPE STRING,
MSL07 TYPE STRING,
MSL08 TYPE STRING,
MSL09 TYPE STRING,
MSL10 TYPE STRING,
MSL11 TYPE STRING,
MSL12 TYPE STRING,
MSL13 TYPE STRING,
MSL14 TYPE STRING,
MSL15 TYPE STRING,
MSL16 TYPE STRING,
CSPRED TYPE STRING,
QSPRED TYPE STRING,
KOKRS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JVPSC01T_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_JVPSC01T_STR-RCLNT sy-vline 
WA_JVPSC01T_STR-RLDNR sy-vline 
WA_JVPSC01T_STR-RRCTY sy-vline 
WA_JVPSC01T_STR-RVERS sy-vline 
WA_JVPSC01T_STR-RYEAR sy-vline 
WA_JVPSC01T_STR-ROBJNR sy-vline 
WA_JVPSC01T_STR-COBJNR sy-vline 
WA_JVPSC01T_STR-SOBJNR sy-vline 
WA_JVPSC01T_STR-RTCUR sy-vline 
WA_JVPSC01T_STR-RUNIT sy-vline 
WA_JVPSC01T_STR-DRCRK sy-vline 
WA_JVPSC01T_STR-RPMAX sy-vline 
WA_JVPSC01T_STR-RBUKRS sy-vline 
WA_JVPSC01T_STR-RPSC_NAME sy-vline 
WA_JVPSC01T_STR-RPSC_PRODUCT sy-vline 
WA_JVPSC01T_STR-RJVNAM sy-vline 
WA_JVPSC01T_STR-REGROU sy-vline 
WA_JVPSC01T_STR-RACCT sy-vline 
WA_JVPSC01T_STR-RBUSA sy-vline 
WA_JVPSC01T_STR-RCNTR sy-vline 
WA_JVPSC01T_STR-RORDNR sy-vline 
WA_JVPSC01T_STR-RPROJK sy-vline 
WA_JVPSC01T_STR-RPRCTR sy-vline 
WA_JVPSC01T_STR-RAUFPL sy-vline 
WA_JVPSC01T_STR-RAPLZL sy-vline 
WA_JVPSC01T_STR-RRECIN sy-vline 
WA_JVPSC01T_STR-LOGSYS sy-vline 
WA_JVPSC01T_STR-PSC_CALC_TYPE sy-vline 
WA_JVPSC01T_STR-PSC_PER_COST sy-vline 
WA_JVPSC01T_STR-ANLN1 sy-vline 
WA_JVPSC01T_STR-ANLN2 sy-vline 
WA_JVPSC01T_STR-ANBWA sy-vline 
WA_JVPSC01T_STR-PARTN sy-vline 
WA_JVPSC01T_STR-SPSC_NAME sy-vline 
WA_JVPSC01T_STR-SPSC_PRODUCT sy-vline 
WA_JVPSC01T_STR-TSLVT sy-vline 
WA_JVPSC01T_STR-TSL01 sy-vline 
WA_JVPSC01T_STR-TSL02 sy-vline 
WA_JVPSC01T_STR-TSL03 sy-vline 
WA_JVPSC01T_STR-TSL04 sy-vline 
WA_JVPSC01T_STR-TSL05 sy-vline 
WA_JVPSC01T_STR-TSL06 sy-vline 
WA_JVPSC01T_STR-TSL07 sy-vline 
WA_JVPSC01T_STR-TSL08 sy-vline 
WA_JVPSC01T_STR-TSL09 sy-vline 
WA_JVPSC01T_STR-TSL10 sy-vline 
WA_JVPSC01T_STR-TSL11 sy-vline 
WA_JVPSC01T_STR-TSL12 sy-vline 
WA_JVPSC01T_STR-TSL13 sy-vline 
WA_JVPSC01T_STR-TSL14 sy-vline 
WA_JVPSC01T_STR-TSL15 sy-vline 
WA_JVPSC01T_STR-TSL16 sy-vline 
WA_JVPSC01T_STR-HSLVT sy-vline 
WA_JVPSC01T_STR-HSL01 sy-vline 
WA_JVPSC01T_STR-HSL02 sy-vline 
WA_JVPSC01T_STR-HSL03 sy-vline 
WA_JVPSC01T_STR-HSL04 sy-vline 
WA_JVPSC01T_STR-HSL05 sy-vline 
WA_JVPSC01T_STR-HSL06 sy-vline 
WA_JVPSC01T_STR-HSL07 sy-vline 
WA_JVPSC01T_STR-HSL08 sy-vline 
WA_JVPSC01T_STR-HSL09 sy-vline 
WA_JVPSC01T_STR-HSL10 sy-vline 
WA_JVPSC01T_STR-HSL11 sy-vline 
WA_JVPSC01T_STR-HSL12 sy-vline 
WA_JVPSC01T_STR-HSL13 sy-vline 
WA_JVPSC01T_STR-HSL14 sy-vline 
WA_JVPSC01T_STR-HSL15 sy-vline 
WA_JVPSC01T_STR-HSL16 sy-vline 
WA_JVPSC01T_STR-KSLVT sy-vline 
WA_JVPSC01T_STR-KSL01 sy-vline 
WA_JVPSC01T_STR-KSL02 sy-vline 
WA_JVPSC01T_STR-KSL03 sy-vline 
WA_JVPSC01T_STR-KSL04 sy-vline 
WA_JVPSC01T_STR-KSL05 sy-vline 
WA_JVPSC01T_STR-KSL06 sy-vline 
WA_JVPSC01T_STR-KSL07 sy-vline 
WA_JVPSC01T_STR-KSL08 sy-vline 
WA_JVPSC01T_STR-KSL09 sy-vline 
WA_JVPSC01T_STR-KSL10 sy-vline 
WA_JVPSC01T_STR-KSL11 sy-vline 
WA_JVPSC01T_STR-KSL12 sy-vline 
WA_JVPSC01T_STR-KSL13 sy-vline 
WA_JVPSC01T_STR-KSL14 sy-vline 
WA_JVPSC01T_STR-KSL15 sy-vline 
WA_JVPSC01T_STR-KSL16 sy-vline 
WA_JVPSC01T_STR-MSLVT sy-vline 
WA_JVPSC01T_STR-MSL01 sy-vline 
WA_JVPSC01T_STR-MSL02 sy-vline 
WA_JVPSC01T_STR-MSL03 sy-vline 
WA_JVPSC01T_STR-MSL04 sy-vline 
WA_JVPSC01T_STR-MSL05 sy-vline 
WA_JVPSC01T_STR-MSL06 sy-vline 
WA_JVPSC01T_STR-MSL07 sy-vline 
WA_JVPSC01T_STR-MSL08 sy-vline 
WA_JVPSC01T_STR-MSL09 sy-vline 
WA_JVPSC01T_STR-MSL10 sy-vline 
WA_JVPSC01T_STR-MSL11 sy-vline 
WA_JVPSC01T_STR-MSL12 sy-vline 
WA_JVPSC01T_STR-MSL13 sy-vline 
WA_JVPSC01T_STR-MSL14 sy-vline 
WA_JVPSC01T_STR-MSL15 sy-vline 
WA_JVPSC01T_STR-MSL16 sy-vline 
WA_JVPSC01T_STR-CSPRED sy-vline 
WA_JVPSC01T_STR-QSPRED sy-vline 
WA_JVPSC01T_STR-KOKRS sy-vline      INTO ld_text SEPARATED BY SPACE.

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