ABAP Select data from SAP table HAP_S_P5021_EXP_701 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HAP_S_P5021_EXP_701 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 HAP_S_P5021_EXP_701. 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 HAP_S_P5021_EXP_701 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_HAP_S_P5021_EXP_701 TYPE STANDARD TABLE OF HAP_S_P5021_EXP_701,
      WA_HAP_S_P5021_EXP_701 TYPE HAP_S_P5021_EXP_701,
      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: <HAP_S_P5021_EXP_701> TYPE HAP_S_P5021_EXP_701.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HAP_S_P5021_EXP_701.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HAP_S_P5021_EXP_701
  INTO TABLE IT_HAP_S_P5021_EXP_701.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HAP_S_P5021_EXP_701
*  INTO TABLE @DATA(IT_HAP_S_P5021_EXP_7012).
*--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_HAP_S_P5021_EXP_701 INDEX 1 INTO DATA(WA_HAP_S_P5021_EXP_7012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HAP_S_P5021_EXP_701 ASSIGNING <HAP_S_P5021_EXP_701>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HAP_S_P5021_EXP_701>-MANDT = 1.
<HAP_S_P5021_EXP_701>-PLVAR = 1.
<HAP_S_P5021_EXP_701>-OTYPE = 1.
<HAP_S_P5021_EXP_701>-OBJID = 1.
<HAP_S_P5021_EXP_701>-INFTY = 1.

ENDLOOP.

LOOP AT IT_HAP_S_P5021_EXP_701 INTO WA_HAP_S_P5021_EXP_701.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HAP_S_P5021_EXP_701-SUBTY, sy-vline,
  WA_HAP_S_P5021_EXP_701-ISTAT, sy-vline,
  WA_HAP_S_P5021_EXP_701-PRIOX, sy-vline,
  WA_HAP_S_P5021_EXP_701-BEGDA, sy-vline,
  WA_HAP_S_P5021_EXP_701-ENDDA, sy-vline,
  WA_HAP_S_P5021_EXP_701-VARYF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HAP_S_P5021_EXP_701 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_HAP_S_P5021_EXP_701 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_HAP_S_P5021_EXP_701 INTO WA_HAP_S_P5021_EXP_701.


*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_HAP_S_P5021_EXP_701_STR, 
MANDT TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
ISTAT TYPE STRING,
PRIOX TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
VARYF TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
REASN TYPE STRING,
HISTO TYPE STRING,
ITXNR TYPE STRING,
NO_AP_NAME_DIS TYPE STRING,
NO_AP_STATUS_DIS TYPE STRING,
NO_AP_DATE_DIS TYPE STRING,
NO_VALIDITY_DIS TYPE STRING,
NO_EXECUTION_DIS TYPE STRING,
NO_REVIEW_DIS TYPE STRING,
EXIT_LINK1 TYPE STRING,
EXIT_LINK2 TYPE STRING,
EXIT_LINK3 TYPE STRING,
EXIT_ADD_HEADER TYPE STRING,
EXIT_SUBSTITUTE TYPE STRING,
EXIT_PRNT_LAYOUT TYPE STRING,
EXIT_WEB_LAYOUT TYPE STRING,
NO_APPRAISER_DIS TYPE STRING,
NO_APPRAISEE_DIS TYPE STRING,
NO_P_APPER_DIS TYPE STRING,
NO_OTHERS_DIS TYPE STRING,
NO_OBJECTIVE_DIS TYPE STRING,
EXIT_OFFLINE TYPE STRING,
TABNR TYPE STRING,
TABSEQNR TYPE STRING,
NUMBERING_LEVEL TYPE STRING,
NUMBERING_TYPE TYPE STRING,
NUMBERING_BEFORE TYPE STRING,
NUMBERING_AFTER TYPE STRING,
NUMBERING_NOLAST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HAP_S_P5021_EXP_701_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_HAP_S_P5021_EXP_701_STR-MANDT sy-vline 
WA_HAP_S_P5021_EXP_701_STR-PLVAR sy-vline 
WA_HAP_S_P5021_EXP_701_STR-OTYPE sy-vline 
WA_HAP_S_P5021_EXP_701_STR-OBJID sy-vline 
WA_HAP_S_P5021_EXP_701_STR-INFTY sy-vline 
WA_HAP_S_P5021_EXP_701_STR-SUBTY sy-vline 
WA_HAP_S_P5021_EXP_701_STR-ISTAT sy-vline 
WA_HAP_S_P5021_EXP_701_STR-PRIOX sy-vline 
WA_HAP_S_P5021_EXP_701_STR-BEGDA sy-vline 
WA_HAP_S_P5021_EXP_701_STR-ENDDA sy-vline 
WA_HAP_S_P5021_EXP_701_STR-VARYF sy-vline 
WA_HAP_S_P5021_EXP_701_STR-SEQNR sy-vline 
WA_HAP_S_P5021_EXP_701_STR-AEDTM sy-vline 
WA_HAP_S_P5021_EXP_701_STR-UNAME sy-vline 
WA_HAP_S_P5021_EXP_701_STR-REASN sy-vline 
WA_HAP_S_P5021_EXP_701_STR-HISTO sy-vline 
WA_HAP_S_P5021_EXP_701_STR-ITXNR sy-vline 
WA_HAP_S_P5021_EXP_701_STR-NO_AP_NAME_DIS sy-vline 
WA_HAP_S_P5021_EXP_701_STR-NO_AP_STATUS_DIS sy-vline 
WA_HAP_S_P5021_EXP_701_STR-NO_AP_DATE_DIS sy-vline 
WA_HAP_S_P5021_EXP_701_STR-NO_VALIDITY_DIS sy-vline 
WA_HAP_S_P5021_EXP_701_STR-NO_EXECUTION_DIS sy-vline 
WA_HAP_S_P5021_EXP_701_STR-NO_REVIEW_DIS sy-vline 
WA_HAP_S_P5021_EXP_701_STR-EXIT_LINK1 sy-vline 
WA_HAP_S_P5021_EXP_701_STR-EXIT_LINK2 sy-vline 
WA_HAP_S_P5021_EXP_701_STR-EXIT_LINK3 sy-vline 
WA_HAP_S_P5021_EXP_701_STR-EXIT_ADD_HEADER sy-vline 
WA_HAP_S_P5021_EXP_701_STR-EXIT_SUBSTITUTE sy-vline 
WA_HAP_S_P5021_EXP_701_STR-EXIT_PRNT_LAYOUT sy-vline 
WA_HAP_S_P5021_EXP_701_STR-EXIT_WEB_LAYOUT sy-vline 
WA_HAP_S_P5021_EXP_701_STR-NO_APPRAISER_DIS sy-vline 
WA_HAP_S_P5021_EXP_701_STR-NO_APPRAISEE_DIS sy-vline 
WA_HAP_S_P5021_EXP_701_STR-NO_P_APPER_DIS sy-vline 
WA_HAP_S_P5021_EXP_701_STR-NO_OTHERS_DIS sy-vline 
WA_HAP_S_P5021_EXP_701_STR-NO_OBJECTIVE_DIS sy-vline 
WA_HAP_S_P5021_EXP_701_STR-EXIT_OFFLINE sy-vline 
WA_HAP_S_P5021_EXP_701_STR-TABNR sy-vline 
WA_HAP_S_P5021_EXP_701_STR-TABSEQNR sy-vline 
WA_HAP_S_P5021_EXP_701_STR-NUMBERING_LEVEL sy-vline 
WA_HAP_S_P5021_EXP_701_STR-NUMBERING_TYPE sy-vline 
WA_HAP_S_P5021_EXP_701_STR-NUMBERING_BEFORE sy-vline 
WA_HAP_S_P5021_EXP_701_STR-NUMBERING_AFTER sy-vline 
WA_HAP_S_P5021_EXP_701_STR-NUMBERING_NOLAST sy-vline      INTO ld_text SEPARATED BY SPACE.

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