ABAP Select data from SAP table CCMREQOPLDQRY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCMREQOPLDQRY
*  INTO TABLE @DATA(IT_CCMREQOPLDQRY2).
*--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_CCMREQOPLDQRY INDEX 1 INTO DATA(WA_CCMREQOPLDQRY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCMREQOPLDQRY>-MANDT = 1.
<CCMREQOPLDQRY>-CHGMGMTREQUUID = 1.
<CCMREQOPLDQRY>-CHGMGMTREQTYPE = 1.
<CCMREQOPLDQRY>-CHGMGMTDIGITALSGNTRSTATUS = 1.
<CCMREQOPLDQRY>-CHGMGMTREQSTATUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCMREQOPLDQRY-CHGMGMTUSERSTATUS1, sy-vline,
  WA_CCMREQOPLDQRY-CHGMGMTUSERSTATUS2, sy-vline,
  WA_CCMREQOPLDQRY-CHGMGMTUSERSTATUS3, sy-vline,
  WA_CCMREQOPLDQRY-CHGMGMTUSERSTATUS4, sy-vline,
  WA_CCMREQOPLDQRY-CHGMGMTUSERSTATUS5, sy-vline,
  WA_CCMREQOPLDQRY-CHGMGMTREQLEADINGOBJTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCMREQOPLDQRY 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_CCMREQOPLDQRY 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_CCMREQOPLDQRY INTO WA_CCMREQOPLDQRY.


*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 CHGMGMTUSERSTATUS1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCMREQOPLDQRY-CHGMGMTUSERSTATUS1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCMREQOPLDQRY-CHGMGMTUSERSTATUS1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CHGMGMTUSERSTATUS2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCMREQOPLDQRY-CHGMGMTUSERSTATUS2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCMREQOPLDQRY-CHGMGMTUSERSTATUS2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CHGMGMTUSERSTATUS3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCMREQOPLDQRY-CHGMGMTUSERSTATUS3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCMREQOPLDQRY-CHGMGMTUSERSTATUS3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CHGMGMTUSERSTATUS4
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCMREQOPLDQRY-CHGMGMTUSERSTATUS4
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCMREQOPLDQRY-CHGMGMTUSERSTATUS4.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CHGMGMTUSERSTATUS5
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCMREQOPLDQRY-CHGMGMTUSERSTATUS5
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCMREQOPLDQRY-CHGMGMTUSERSTATUS5.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field CHGMGMTREQIMPACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCMREQOPLDQRY-CHGMGMTREQIMPACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCMREQOPLDQRY-CHGMGMTREQIMPACT.
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_CCMREQOPLDQRY_STR, 
MANDT TYPE STRING,
CHGMGMTREQUUID TYPE STRING,
CHGMGMTREQTYPE TYPE STRING,
CHGMGMTDIGITALSGNTRSTATUS TYPE STRING,
CHGMGMTREQSTATUS TYPE STRING,
CHGMGMTUSERSTATUS1 TYPE STRING,
CHGMGMTUSERSTATUS2 TYPE STRING,
CHGMGMTUSERSTATUS3 TYPE STRING,
CHGMGMTUSERSTATUS4 TYPE STRING,
CHGMGMTUSERSTATUS5 TYPE STRING,
CHGMGMTREQLEADINGOBJTYPE TYPE STRING,
CHGMGMTREQLEADINGOBJECT TYPE STRING,
CHGMGMTREQLEADINGOBJNAME TYPE STRING,
CHGMGMTREQMAINPLANT TYPE STRING,
CHGMGMTREQMAINPLANTNAME TYPE STRING,
COUNTRY TYPE STRING,
CHGMGMTREQENTEREDBYUSER TYPE STRING,
CHGMGMTREQREPORTEDBYBP TYPE STRING,
CHGMGMTREQISEMERGENCY TYPE STRING,
CHGMGMTREQDURATIONCODE TYPE STRING,
CHGMGMTREQIMPACT TYPE STRING,
CHGMGMTREQREVERSALDATE TYPE STRING,
CHGMGMTREQREVERSALMONTH TYPE STRING,
CHGMGMTREQREVERSALYEAR TYPE STRING,
CHGMGMTREQAPPROVALDATE TYPE STRING,
CHGMGMTREQAPPROVALMONTH TYPE STRING,
CHGMGMTREQAPPROVALYEAR TYPE STRING,
CHGMGMTREQEXECSTARTDATE TYPE STRING,
CHGMGMTREQEXECSTARTMONTH TYPE STRING,
CHGMGMTREQEXECSTARTYEAR TYPE STRING,
CHGMGMTREQOPLSTARTDATE TYPE STRING,
CHGMGMTREQOPLSTARTMONTH TYPE STRING,
CHGMGMTREQOPLSTARTYEAR TYPE STRING,
CHGMGMTREQCREATIONDATE TYPE STRING,
CHGMGMTREQCREATIONYEAR TYPE STRING,
CHGMGMTREQCREATIONMONTH TYPE STRING,
NUMBEROFCHGMGMTREQUESTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCMREQOPLDQRY_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_CCMREQOPLDQRY_STR-MANDT sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQUUID sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQTYPE sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTDIGITALSGNTRSTATUS sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQSTATUS sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTUSERSTATUS1 sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTUSERSTATUS2 sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTUSERSTATUS3 sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTUSERSTATUS4 sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTUSERSTATUS5 sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQLEADINGOBJTYPE sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQLEADINGOBJECT sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQLEADINGOBJNAME sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQMAINPLANT sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQMAINPLANTNAME sy-vline 
WA_CCMREQOPLDQRY_STR-COUNTRY sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQENTEREDBYUSER sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQREPORTEDBYBP sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQISEMERGENCY sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQDURATIONCODE sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQIMPACT sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQREVERSALDATE sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQREVERSALMONTH sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQREVERSALYEAR sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQAPPROVALDATE sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQAPPROVALMONTH sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQAPPROVALYEAR sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQEXECSTARTDATE sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQEXECSTARTMONTH sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQEXECSTARTYEAR sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQOPLSTARTDATE sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQOPLSTARTMONTH sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQOPLSTARTYEAR sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQCREATIONDATE sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQCREATIONYEAR sy-vline 
WA_CCMREQOPLDQRY_STR-CHGMGMTREQCREATIONMONTH sy-vline 
WA_CCMREQOPLDQRY_STR-NUMBEROFCHGMGMTREQUESTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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