ABAP Select data from SAP table CCRCS_BALMI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCRCS_BALMI
*  INTO TABLE @DATA(IT_CCRCS_BALMI2).
*--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_CCRCS_BALMI INDEX 1 INTO DATA(WA_CCRCS_BALMI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCRCS_BALMI>-MSGTY = 1.
<CCRCS_BALMI>-MSGID = 1.
<CCRCS_BALMI>-MSGNO = 1.
<CCRCS_BALMI>-MSGV1 = 1.
<CCRCS_BALMI>-MSGV2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCRCS_BALMI-MSGV3, sy-vline,
  WA_CCRCS_BALMI-MSGV4, sy-vline,
  WA_CCRCS_BALMI-ALTEXT, sy-vline,
  WA_CCRCS_BALMI-USEREXITP, sy-vline,
  WA_CCRCS_BALMI-USEREXITF, sy-vline,
  WA_CCRCS_BALMI-DETLEVEL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCRCS_BALMI 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_CCRCS_BALMI 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_CCRCS_BALMI INTO WA_CCRCS_BALMI.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CCRCS_BALMI_STR, 
MSGTY TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,
ALTEXT TYPE STRING,
USEREXITP TYPE STRING,
USEREXITF TYPE STRING,
DETLEVEL TYPE STRING,
PROBCLASS TYPE STRING,
ALSORT TYPE STRING,
REG TYPE STRING,
SCEN TYPE STRING,
SCENNAM TYPE STRING,
MSGTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCRCS_BALMI_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_CCRCS_BALMI_STR-MSGTY sy-vline 
WA_CCRCS_BALMI_STR-MSGID sy-vline 
WA_CCRCS_BALMI_STR-MSGNO sy-vline 
WA_CCRCS_BALMI_STR-MSGV1 sy-vline 
WA_CCRCS_BALMI_STR-MSGV2 sy-vline 
WA_CCRCS_BALMI_STR-MSGV3 sy-vline 
WA_CCRCS_BALMI_STR-MSGV4 sy-vline 
WA_CCRCS_BALMI_STR-ALTEXT sy-vline 
WA_CCRCS_BALMI_STR-USEREXITP sy-vline 
WA_CCRCS_BALMI_STR-USEREXITF sy-vline 
WA_CCRCS_BALMI_STR-DETLEVEL sy-vline 
WA_CCRCS_BALMI_STR-PROBCLASS sy-vline 
WA_CCRCS_BALMI_STR-ALSORT sy-vline 
WA_CCRCS_BALMI_STR-REG sy-vline 
WA_CCRCS_BALMI_STR-SCEN sy-vline 
WA_CCRCS_BALMI_STR-SCENNAM sy-vline 
WA_CCRCS_BALMI_STR-MSGTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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