ABAP Select data from SAP table CJVASGDEQTYGRP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CJVASGDEQTYGRP
*  INTO TABLE @DATA(IT_CJVASGDEQTYGRP2).
*--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_CJVASGDEQTYGRP INDEX 1 INTO DATA(WA_CJVASGDEQTYGRP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CJVASGDEQTYGRP>-MANDT = 1.
<CJVASGDEQTYGRP>-COMPANYCODE = 1.
<CJVASGDEQTYGRP>-JOINTVENTURE = 1.
<CJVASGDEQTYGRP>-JNTOPGAGRMT = 1.
<CJVASGDEQTYGRP>-JNTOPGAGRMTEQUITYGRP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CJVASGDEQTYGRP-JOINTVENTUREBILLINGTYPE, sy-vline,
  WA_CJVASGDEQTYGRP-JOINTVENTURETYPE, sy-vline,
  WA_CJVASGDEQTYGRP-JOINTVENTURECLASS, sy-vline,
  WA_CJVASGDEQTYGRP-JOINTVENTURESTATUSCRITICALITY, sy-vline,
  WA_CJVASGDEQTYGRP-JNTVNTRBILLGCUTBACKISBLK, sy-vline,
  WA_CJVASGDEQTYGRP-JNTVNTRFUNDINGGROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CJVASGDEQTYGRP 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_CJVASGDEQTYGRP 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_CJVASGDEQTYGRP INTO WA_CJVASGDEQTYGRP.


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

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

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

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

*Conversion exit ALPHA, internal->external for field JOINTVENTURECLASS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CJVASGDEQTYGRP-JOINTVENTURECLASS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CJVASGDEQTYGRP-JOINTVENTURECLASS.
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_CJVASGDEQTYGRP_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
JOINTVENTURE TYPE STRING,
JNTOPGAGRMT TYPE STRING,
JNTOPGAGRMTEQUITYGRP TYPE STRING,
JOINTVENTUREBILLINGTYPE TYPE STRING,
JOINTVENTURETYPE TYPE STRING,
JOINTVENTURECLASS TYPE STRING,
JOINTVENTURESTATUSCRITICALITY TYPE STRING,
JNTVNTRBILLGCUTBACKISBLK TYPE STRING,
JNTVNTRFUNDINGGROUP TYPE STRING,
JOINTVENTURECREATEDBYUSER TYPE STRING,
JNTVNTRCREATIONDATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CJVASGDEQTYGRP_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_CJVASGDEQTYGRP_STR-MANDT sy-vline 
WA_CJVASGDEQTYGRP_STR-COMPANYCODE sy-vline 
WA_CJVASGDEQTYGRP_STR-JOINTVENTURE sy-vline 
WA_CJVASGDEQTYGRP_STR-JNTOPGAGRMT sy-vline 
WA_CJVASGDEQTYGRP_STR-JNTOPGAGRMTEQUITYGRP sy-vline 
WA_CJVASGDEQTYGRP_STR-JOINTVENTUREBILLINGTYPE sy-vline 
WA_CJVASGDEQTYGRP_STR-JOINTVENTURETYPE sy-vline 
WA_CJVASGDEQTYGRP_STR-JOINTVENTURECLASS sy-vline 
WA_CJVASGDEQTYGRP_STR-JOINTVENTURESTATUSCRITICALITY sy-vline 
WA_CJVASGDEQTYGRP_STR-JNTVNTRBILLGCUTBACKISBLK sy-vline 
WA_CJVASGDEQTYGRP_STR-JNTVNTRFUNDINGGROUP sy-vline 
WA_CJVASGDEQTYGRP_STR-JOINTVENTURECREATEDBYUSER sy-vline 
WA_CJVASGDEQTYGRP_STR-JNTVNTRCREATIONDATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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