ABAP Select data from SAP table LOGQC_ESR_QLTY_CERT_HEADER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LOGQC_ESR_QLTY_CERT_HEADER
*  INTO TABLE @DATA(IT_LOGQC_ESR_QLTY_CERT_HEADER2).
*--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_LOGQC_ESR_QLTY_CERT_HEADER INDEX 1 INTO DATA(WA_LOGQC_ESR_QLTY_CERT_HEADER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LOGQC_ESR_QLTY_CERT_HEADER>-CONTROLLER = 1.
<LOGQC_ESR_QLTY_CERT_HEADER>-DELIVERY_DOCUMENT = 1.
<LOGQC_ESR_QLTY_CERT_HEADER>-DELIVERY_CREATION_DATE = 1.
<LOGQC_ESR_QLTY_CERT_HEADER>-DELIVERY_CREATION_TIME = 1.
<LOGQC_ESR_QLTY_CERT_HEADER>-LANGUAGE_ISOCODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LOGQC_ESR_QLTY_CERT_HEADER-SALES_ORGANIZATION, sy-vline,
  WA_LOGQC_ESR_QLTY_CERT_HEADER-CONTROLLER, sy-vline,
  WA_LOGQC_ESR_QLTY_CERT_HEADER-SALES_ORGANIZATION_NAME, sy-vline,
  WA_LOGQC_ESR_QLTY_CERT_HEADER-LANGUAGE, sy-vline,
  WA_LOGQC_ESR_QLTY_CERT_HEADER-FORM_OF_ADDRESS, sy-vline,
  WA_LOGQC_ESR_QLTY_CERT_HEADER-NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LOGQC_ESR_QLTY_CERT_HEADER 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_LOGQC_ESR_QLTY_CERT_HEADER 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_LOGQC_ESR_QLTY_CERT_HEADER INTO WA_LOGQC_ESR_QLTY_CERT_HEADER.


*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_ISOCODE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_LOGQC_ESR_QLTY_CERT_HEADER-LANGUAGE_ISOCODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LOGQC_ESR_QLTY_CERT_HEADER-LANGUAGE_ISOCODE.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_LOGQC_ESR_QLTY_CERT_HEADER-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LOGQC_ESR_QLTY_CERT_HEADER-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_LOGQC_ESR_QLTY_CERT_HEADER_STR, 
CONTROLLER TYPE STRING,
DELIVERY_DOCUMENT TYPE STRING,
DELIVERY_CREATION_DATE TYPE STRING,
DELIVERY_CREATION_TIME TYPE STRING,
LANGUAGE_ISOCODE TYPE STRING,
SALES_ORGANIZATION TYPE STRING,
CONTROLLER TYPE STRING,
SALES_ORGANIZATION_NAME TYPE STRING,
LANGUAGE TYPE STRING,
FORM_OF_ADDRESS TYPE STRING,
NAME TYPE STRING,
STREET_NAME TYPE STRING,
POSTAL_CODE TYPE STRING,
CITY TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
SOLD_TO_PARTY TYPE STRING,
CONTROLLER TYPE STRING,
SOLD_TO_PARTY_NAME TYPE STRING,
LANGUAGE TYPE STRING,
FORM_OF_ADDRESS TYPE STRING,
NAME TYPE STRING,
STREET_NAME TYPE STRING,
POSTAL_CODE TYPE STRING,
CITY TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
SHIP_TO_PARTY TYPE STRING,
CONTROLLER TYPE STRING,
SHIP_TO_PARTY_NAME TYPE STRING,
LANGUAGE TYPE STRING,
FORM_OF_ADDRESS TYPE STRING,
NAME TYPE STRING,
STREET_NAME TYPE STRING,
POSTAL_CODE TYPE STRING,
CITY TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
QLTY_CERT_RCPNT TYPE STRING,
CONTROLLER TYPE STRING,
QLTY_CERT_RCPNT_NAME TYPE STRING,
LANGUAGE TYPE STRING,
FORM_OF_ADDRESS TYPE STRING,
NAME TYPE STRING,
STREET_NAME TYPE STRING,
POSTAL_CODE TYPE STRING,
CITY TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
QLTY_CERT_ITEM TYPE STRING,
ATTACHMENT TYPE STRING,
CONTROLLER TYPE STRING,
FILE_NAME TYPE STRING,
MIME_TYPE TYPE STRING,
FILE_SIZE TYPE STRING,
CONTENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LOGQC_ESR_QLTY_CERT_HEADER_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_LOGQC_ESR_QLTY_CERT_HEADER_STR-CONTROLLER sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-DELIVERY_DOCUMENT sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-DELIVERY_CREATION_DATE sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-DELIVERY_CREATION_TIME sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-LANGUAGE_ISOCODE sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-SALES_ORGANIZATION sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-CONTROLLER sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-SALES_ORGANIZATION_NAME sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-LANGUAGE sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-FORM_OF_ADDRESS sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-NAME sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-STREET_NAME sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-POSTAL_CODE sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-CITY sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-COUNTRY sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-REGION sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-SOLD_TO_PARTY sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-CONTROLLER sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-SOLD_TO_PARTY_NAME sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-LANGUAGE sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-FORM_OF_ADDRESS sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-NAME sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-STREET_NAME sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-POSTAL_CODE sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-CITY sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-COUNTRY sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-REGION sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-SHIP_TO_PARTY sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-CONTROLLER sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-SHIP_TO_PARTY_NAME sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-LANGUAGE sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-FORM_OF_ADDRESS sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-NAME sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-STREET_NAME sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-POSTAL_CODE sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-CITY sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-COUNTRY sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-REGION sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-QLTY_CERT_RCPNT sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-CONTROLLER sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-QLTY_CERT_RCPNT_NAME sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-LANGUAGE sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-FORM_OF_ADDRESS sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-NAME sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-STREET_NAME sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-POSTAL_CODE sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-CITY sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-COUNTRY sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-REGION sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-QLTY_CERT_ITEM sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-ATTACHMENT sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-CONTROLLER sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-FILE_NAME sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-MIME_TYPE sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-FILE_SIZE sy-vline 
WA_LOGQC_ESR_QLTY_CERT_HEADER_STR-CONTENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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