ABAP Select data from SAP table CCGLV_AUDH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCGLV_AUDH
*  INTO TABLE @DATA(IT_CCGLV_AUDH2).
*--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_CCGLV_AUDH INDEX 1 INTO DATA(WA_CCGLV_AUDH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCGLV_AUDH>-MANDT = 1.
<CCGLV_AUDH>-AUSER = 1.
<CCGLV_AUDH>-ADATE = 1.
<CCGLV_AUDH>-ATIME = 1.
<CCGLV_AUDH>-SCENID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCGLV_AUDH-DOKNR, sy-vline,
  WA_CCGLV_AUDH-DOKVR, sy-vline,
  WA_CCGLV_AUDH-MATNR, sy-vline,
  WA_CCGLV_AUDH-SUBID, sy-vline,
  WA_CCGLV_AUDH-LDEPID, sy-vline,
  WA_CCGLV_AUDH-LTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCGLV_AUDH 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_CCGLV_AUDH 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_CCGLV_AUDH INTO WA_CCGLV_AUDH.


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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CCGLV_AUDH-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCGLV_AUDH-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SPEC1, internal->external for field SUBID
CALL FUNCTION 'CONVERSION_EXIT_SPEC1_OUTPUT'
  EXPORTING
    input =                      WA_CCGLV_AUDH-SUBID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCGLV_AUDH-SUBID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CHRID, internal->external for field LDEPID
CALL FUNCTION 'CONVERSION_EXIT_CHRID_OUTPUT'
  EXPORTING
    input =                      WA_CCGLV_AUDH-LDEPID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCGLV_AUDH-LDEPID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CCGLV_AUDH-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCGLV_AUDH-LANGU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CCGLV_AUDH-PUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCGLV_AUDH-PUOM.
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_CCGLV_AUDH_STR, 
MANDT TYPE STRING,
AUSER TYPE STRING,
ADATE TYPE STRING,
ATIME TYPE STRING,
SCENID TYPE STRING,
DOKNR TYPE STRING,
DOKVR TYPE STRING,
MATNR TYPE STRING,
SUBID TYPE STRING,
LDEPID TYPE STRING,
LTYPE TYPE STRING,
LANGU TYPE STRING,
PUOM TYPE STRING,
LSID TYPE STRING,
VKTR_STRING TYPE STRING,
VAL_AREAS TYPE STRING,
NUM_LBLS TYPE STRING,
LSYID TYPE STRING,
VALUE_INIT TYPE STRING,
VALUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCGLV_AUDH_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_CCGLV_AUDH_STR-MANDT sy-vline 
WA_CCGLV_AUDH_STR-AUSER sy-vline 
WA_CCGLV_AUDH_STR-ADATE sy-vline 
WA_CCGLV_AUDH_STR-ATIME sy-vline 
WA_CCGLV_AUDH_STR-SCENID sy-vline 
WA_CCGLV_AUDH_STR-DOKNR sy-vline 
WA_CCGLV_AUDH_STR-DOKVR sy-vline 
WA_CCGLV_AUDH_STR-MATNR sy-vline 
WA_CCGLV_AUDH_STR-SUBID sy-vline 
WA_CCGLV_AUDH_STR-LDEPID sy-vline 
WA_CCGLV_AUDH_STR-LTYPE sy-vline 
WA_CCGLV_AUDH_STR-LANGU sy-vline 
WA_CCGLV_AUDH_STR-PUOM sy-vline 
WA_CCGLV_AUDH_STR-LSID sy-vline 
WA_CCGLV_AUDH_STR-VKTR_STRING sy-vline 
WA_CCGLV_AUDH_STR-VAL_AREAS sy-vline 
WA_CCGLV_AUDH_STR-NUM_LBLS sy-vline 
WA_CCGLV_AUDH_STR-LSYID sy-vline 
WA_CCGLV_AUDH_STR-VALUE_INIT sy-vline 
WA_CCGLV_AUDH_STR-VALUE sy-vline      INTO ld_text SEPARATED BY SPACE.

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