ABAP Select data from SAP table IHC_STR_PAYRQ_AVIS_INFO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IHC_STR_PAYRQ_AVIS_INFO
*  INTO TABLE @DATA(IT_IHC_STR_PAYRQ_AVIS_INFO2).
*--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_IHC_STR_PAYRQ_AVIS_INFO INDEX 1 INTO DATA(WA_IHC_STR_PAYRQ_AVIS_INFO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IHC_STR_PAYRQ_AVIS_INFO>-WAERS = 1.
<IHC_STR_PAYRQ_AVIS_INFO>-PACUR = 1.
<IHC_STR_PAYRQ_AVIS_INFO>-SHKZG = 1.
<IHC_STR_PAYRQ_AVIS_INFO>-WRBTR = 1.
<IHC_STR_PAYRQ_AVIS_INFO>-PAMTF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IHC_STR_PAYRQ_AVIS_INFO-WTAMNTP, sy-vline,
  WA_IHC_STR_PAYRQ_AVIS_INFO-DEDUAMNTP, sy-vline,
  WA_IHC_STR_PAYRQ_AVIS_INFO-BELNR, sy-vline,
  WA_IHC_STR_PAYRQ_AVIS_INFO-XBLNR, sy-vline,
  WA_IHC_STR_PAYRQ_AVIS_INFO-BLDAT, sy-vline,
  WA_IHC_STR_PAYRQ_AVIS_INFO-SGTXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IHC_STR_PAYRQ_AVIS_INFO 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_IHC_STR_PAYRQ_AVIS_INFO 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_IHC_STR_PAYRQ_AVIS_INFO INTO WA_IHC_STR_PAYRQ_AVIS_INFO.


*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 BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IHC_STR_PAYRQ_AVIS_INFO-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IHC_STR_PAYRQ_AVIS_INFO-BELNR.
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_IHC_STR_PAYRQ_AVIS_INFO_STR, 
WAERS TYPE STRING,
PACUR TYPE STRING,
SHKZG TYPE STRING,
WRBTR TYPE STRING,
PAMTF TYPE STRING,
WTAMNTP TYPE STRING,
DEDUAMNTP TYPE STRING,
BELNR TYPE STRING,
XBLNR TYPE STRING,
BLDAT TYPE STRING,
SGTXT TYPE STRING,
KIDNO TYPE STRING,
DMBTR TYPE STRING,
DMBE2 TYPE STRING,
DMBE3 TYPE STRING,
PAMTL TYPE STRING,
DEDUAMNTL TYPE STRING,
WTAMNTL TYPE STRING,
LZBKZ TYPE STRING,
LANDL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IHC_STR_PAYRQ_AVIS_INFO_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_IHC_STR_PAYRQ_AVIS_INFO_STR-WAERS sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-PACUR sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-SHKZG sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-WRBTR sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-PAMTF sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-WTAMNTP sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-DEDUAMNTP sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-BELNR sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-XBLNR sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-BLDAT sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-SGTXT sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-KIDNO sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-DMBTR sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-DMBE2 sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-DMBE3 sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-PAMTL sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-DEDUAMNTL sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-WTAMNTL sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-LZBKZ sy-vline 
WA_IHC_STR_PAYRQ_AVIS_INFO_STR-LANDL sy-vline      INTO ld_text SEPARATED BY SPACE.

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