ABAP Select data from SAP table CCREQNCCITP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCREQNCCITP
*  INTO TABLE @DATA(IT_CCREQNCCITP2).
*--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_CCREQNCCITP INDEX 1 INTO DATA(WA_CCREQNCCITP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCREQNCCITP>-MANDT = 1.
<CCREQNCCITP>-CHMLCMPLNCREQNEWCMPLNCINFOUUID = 1.
<CCREQNCCITP>-CHMLCMPLNCREQUESTUUID = 1.
<CCREQNCCITP>-CHMLCMPLNCINFOUUID = 1.
<CCREQNCCITP>-MATERIAL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCREQNCCITP-CHMLCMPLNCINFOTYPE, sy-vline,
  WA_CCREQNCCITP-CHMLCMPLNCPRODUUID, sy-vline,
  WA_CCREQNCCITP-CHMLCMPLNCPRODMATERIALCOMBNAME, sy-vline,
  WA_CCREQNCCITP-PRODSTEWARDSHIPRESPUNIT, sy-vline,
  WA_CCREQNCCITP-PRODSTEWARDSHIPRESPUNITNAME, sy-vline,
  WA_CCREQNCCITP-DNGRSGDSRESPUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCREQNCCITP 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_CCREQNCCITP 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_CCREQNCCITP INTO WA_CCREQNCCITP.


*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 MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CCREQNCCITP-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCREQNCCITP-MATERIAL.
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_CCREQNCCITP_STR, 
MANDT TYPE STRING,
CHMLCMPLNCREQNEWCMPLNCINFOUUID TYPE STRING,
CHMLCMPLNCREQUESTUUID TYPE STRING,
CHMLCMPLNCINFOUUID TYPE STRING,
MATERIAL TYPE STRING,
CHMLCMPLNCINFOTYPE TYPE STRING,
CHMLCMPLNCPRODUUID TYPE STRING,
CHMLCMPLNCPRODMATERIALCOMBNAME TYPE STRING,
PRODSTEWARDSHIPRESPUNIT TYPE STRING,
PRODSTEWARDSHIPRESPUNITNAME TYPE STRING,
DNGRSGDSRESPUNIT TYPE STRING,
DNGRSGDSRESPUNITNAME TYPE STRING,
CHMLCMPLNCINTERNALNAME TYPE STRING,
CHMLCMPLNCPRODISRESEARCHED TYPE STRING,
MATERIALISTRANSPORTED TYPE STRING,
MATERIALISSOLD TYPE STRING,
MATERIALISPRODUCED TYPE STRING,
MATERIALISSOURCED TYPE STRING,
CHMLCMPLNCPRODCATZTNPHRSUUID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCREQNCCITP_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_CCREQNCCITP_STR-MANDT sy-vline 
WA_CCREQNCCITP_STR-CHMLCMPLNCREQNEWCMPLNCINFOUUID sy-vline 
WA_CCREQNCCITP_STR-CHMLCMPLNCREQUESTUUID sy-vline 
WA_CCREQNCCITP_STR-CHMLCMPLNCINFOUUID sy-vline 
WA_CCREQNCCITP_STR-MATERIAL sy-vline 
WA_CCREQNCCITP_STR-CHMLCMPLNCINFOTYPE sy-vline 
WA_CCREQNCCITP_STR-CHMLCMPLNCPRODUUID sy-vline 
WA_CCREQNCCITP_STR-CHMLCMPLNCPRODMATERIALCOMBNAME sy-vline 
WA_CCREQNCCITP_STR-PRODSTEWARDSHIPRESPUNIT sy-vline 
WA_CCREQNCCITP_STR-PRODSTEWARDSHIPRESPUNITNAME sy-vline 
WA_CCREQNCCITP_STR-DNGRSGDSRESPUNIT sy-vline 
WA_CCREQNCCITP_STR-DNGRSGDSRESPUNITNAME sy-vline 
WA_CCREQNCCITP_STR-CHMLCMPLNCINTERNALNAME sy-vline 
WA_CCREQNCCITP_STR-CHMLCMPLNCPRODISRESEARCHED sy-vline 
WA_CCREQNCCITP_STR-MATERIALISTRANSPORTED sy-vline 
WA_CCREQNCCITP_STR-MATERIALISSOLD sy-vline 
WA_CCREQNCCITP_STR-MATERIALISPRODUCED sy-vline 
WA_CCREQNCCITP_STR-MATERIALISSOURCED sy-vline 
WA_CCREQNCCITP_STR-CHMLCMPLNCPRODCATZTNPHRSUUID sy-vline      INTO ld_text SEPARATED BY SPACE.

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