ABAP Select data from SAP table CRMT_CMIC_DOC_ADV_SEARCH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_CMIC_DOC_ADV_SEARCH
*  INTO TABLE @DATA(IT_CRMT_CMIC_DOC_ADV_SEARCH2).
*--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_CRMT_CMIC_DOC_ADV_SEARCH INDEX 1 INTO DATA(WA_CRMT_CMIC_DOC_ADV_SEARCH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_CMIC_DOC_ADV_SEARCH>-INSTID = 1.
<CRMT_CMIC_DOC_ADV_SEARCH>-TYPEID = 1.
<CRMT_CMIC_DOC_ADV_SEARCH>-CATID = 1.
<CRMT_CMIC_DOC_ADV_SEARCH>-KW_RELATIVE_URL = 1.
<CRMT_CMIC_DOC_ADV_SEARCH>-DESCRIPTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_CMIC_DOC_ADV_SEARCH-CREATED_BY, sy-vline,
  WA_CRMT_CMIC_DOC_ADV_SEARCH-CREATED_AT, sy-vline,
  WA_CRMT_CMIC_DOC_ADV_SEARCH-LAST_CHANGED_BY, sy-vline,
  WA_CRMT_CMIC_DOC_ADV_SEARCH-LAST_CHANGED_AT, sy-vline,
  WA_CRMT_CMIC_DOC_ADV_SEARCH-LANGUAGE, sy-vline,
  WA_CRMT_CMIC_DOC_ADV_SEARCH-BDS_DOCUMENTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_CMIC_DOC_ADV_SEARCH 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_CRMT_CMIC_DOC_ADV_SEARCH 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_CRMT_CMIC_DOC_ADV_SEARCH INTO WA_CRMT_CMIC_DOC_ADV_SEARCH.


*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 ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_CMIC_DOC_ADV_SEARCH-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_CMIC_DOC_ADV_SEARCH-LANGUAGE.
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_CRMT_CMIC_DOC_ADV_SEARCH_STR, 
INSTID TYPE STRING,
TYPEID TYPE STRING,
CATID TYPE STRING,
KW_RELATIVE_URL TYPE STRING,
DESCRIPTION TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_AT TYPE STRING,
LAST_CHANGED_BY TYPE STRING,
LAST_CHANGED_AT TYPE STRING,
LANGUAGE TYPE STRING,
BDS_DOCUMENTTYPE TYPE STRING,
BDS_KEYWORD TYPE STRING,
CRM_IS_DEFAULT TYPE STRING,
PROD_IS_LANG_INDEPDT TYPE STRING,
PCAT_IS_LANG_INDEPDT TYPE STRING,
SEARCH_STRING TYPE STRING,
RESERVED TYPE STRING,
CONTENT_TYPE TYPE STRING,
DOC_DATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_CMIC_DOC_ADV_SEARCH_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_CRMT_CMIC_DOC_ADV_SEARCH_STR-INSTID sy-vline 
WA_CRMT_CMIC_DOC_ADV_SEARCH_STR-TYPEID sy-vline 
WA_CRMT_CMIC_DOC_ADV_SEARCH_STR-CATID sy-vline 
WA_CRMT_CMIC_DOC_ADV_SEARCH_STR-KW_RELATIVE_URL sy-vline 
WA_CRMT_CMIC_DOC_ADV_SEARCH_STR-DESCRIPTION sy-vline 
WA_CRMT_CMIC_DOC_ADV_SEARCH_STR-CREATED_BY sy-vline 
WA_CRMT_CMIC_DOC_ADV_SEARCH_STR-CREATED_AT sy-vline 
WA_CRMT_CMIC_DOC_ADV_SEARCH_STR-LAST_CHANGED_BY sy-vline 
WA_CRMT_CMIC_DOC_ADV_SEARCH_STR-LAST_CHANGED_AT sy-vline 
WA_CRMT_CMIC_DOC_ADV_SEARCH_STR-LANGUAGE sy-vline 
WA_CRMT_CMIC_DOC_ADV_SEARCH_STR-BDS_DOCUMENTTYPE sy-vline 
WA_CRMT_CMIC_DOC_ADV_SEARCH_STR-BDS_KEYWORD sy-vline 
WA_CRMT_CMIC_DOC_ADV_SEARCH_STR-CRM_IS_DEFAULT sy-vline 
WA_CRMT_CMIC_DOC_ADV_SEARCH_STR-PROD_IS_LANG_INDEPDT sy-vline 
WA_CRMT_CMIC_DOC_ADV_SEARCH_STR-PCAT_IS_LANG_INDEPDT sy-vline 
WA_CRMT_CMIC_DOC_ADV_SEARCH_STR-SEARCH_STRING sy-vline 
WA_CRMT_CMIC_DOC_ADV_SEARCH_STR-RESERVED sy-vline 
WA_CRMT_CMIC_DOC_ADV_SEARCH_STR-CONTENT_TYPE sy-vline 
WA_CRMT_CMIC_DOC_ADV_SEARCH_STR-DOC_DATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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