ABAP Select data from SAP table ISPCTXACUTEINHLTNTOXTYSTUDYTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISPCTXACUTEINHLTNTOXTYSTUDYTP
*  INTO TABLE @DATA(IT_ISPCTXACUTEINHLTNTOXTYSTUDYTP2).
*--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_ISPCTXACUTEINHLTNTOXTYSTUDYTP INDEX 1 INTO DATA(WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISPCTXACUTEINHLTNTOXTYSTUDYTP>-KEY = 1.
<ISPCTXACUTEINHLTNTOXTYSTUDYTP>-PARENT_KEY = 1.
<ISPCTXACUTEINHLTNTOXTYSTUDYTP>-ROOT_KEY = 1.
<ISPCTXACUTEINHLTNTOXTYSTUDYTP>-PCTXACUTEINHLTNSPECIESPHRSUUID = 1.
<ISPCTXACUTEINHLTNTOXTYSTUDYTP>-PCTXSEXPHRSUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP-PCTXACUTEINHLTNTYPEPHRSUUID, sy-vline,
  WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP-PCTXVALUELOWRQTY, sy-vline,
  WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP-PCTXVALUELOWRQTYTXT, sy-vline,
  WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP-PCTXVALUELOWRQTYOPTR, sy-vline,
  WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP-PCTXVALUEUPRQTY, sy-vline,
  WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP-PCTXVALUEUPRQTYTXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP 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_ISPCTXACUTEINHLTNTOXTYSTUDYTP 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_ISPCTXACUTEINHLTNTOXTYSTUDYTP INTO WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP.


*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 CUNIT, internal->external for field PCTXVALUEUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP-PCTXVALUEUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP-PCTXVALUEUOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PCTXEXPSRDURNUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP-PCTXEXPSRDURNUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP-PCTXEXPSRDURNUOM.
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_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
PCTXACUTEINHLTNSPECIESPHRSUUID TYPE STRING,
PCTXSEXPHRSUUID TYPE STRING,
PCTXACUTEINHLTNTYPEPHRSUUID TYPE STRING,
PCTXVALUELOWRQTY TYPE STRING,
PCTXVALUELOWRQTYTXT TYPE STRING,
PCTXVALUELOWRQTYOPTR TYPE STRING,
PCTXVALUEUPRQTY TYPE STRING,
PCTXVALUEUPRQTYTXT TYPE STRING,
PCTXVALUEUPRQTYOPTR TYPE STRING,
PCTXVALUEUOM TYPE STRING,
PCTXEXPSRDURN TYPE STRING,
PCTXEXPSRDURNASTXT TYPE STRING,
PCTXEXPSRDURNUOM TYPE STRING,
PCTXACUTEINHLTNTESTATMSPHUUID TYPE STRING,
PCTXACUTEINHLTNMETHODPHRSUUID TYPE STRING,
PCTXACUTEINHLTNADDLSTMNTUUID TYPE STRING,
PCPRPTYRATING TYPE STRING,
PCTXNOTETEXT TYPE STRING,
CREATIONUTCDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEUTCDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_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_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-KEY sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PARENT_KEY sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-ROOT_KEY sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PCTXACUTEINHLTNSPECIESPHRSUUID sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PCTXSEXPHRSUUID sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PCTXACUTEINHLTNTYPEPHRSUUID sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PCTXVALUELOWRQTY sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PCTXVALUELOWRQTYTXT sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PCTXVALUELOWRQTYOPTR sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PCTXVALUEUPRQTY sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PCTXVALUEUPRQTYTXT sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PCTXVALUEUPRQTYOPTR sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PCTXVALUEUOM sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PCTXEXPSRDURN sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PCTXEXPSRDURNASTXT sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PCTXEXPSRDURNUOM sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PCTXACUTEINHLTNTESTATMSPHUUID sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PCTXACUTEINHLTNMETHODPHRSUUID sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PCTXACUTEINHLTNADDLSTMNTUUID sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PCPRPTYRATING sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-PCTXNOTETEXT sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-CREATIONUTCDATETIME sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-CREATEDBYUSER sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-LASTCHANGEUTCDATETIME sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-LASTCHANGEDBYUSER sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-ACTIVEUUID sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-HASACTIVEENTITY sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISPCTXACUTEINHLTNTOXTYSTUDYTP_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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