ABAP Select data from SAP table HR99S_PAL_CREATED_CATEG into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HR99S_PAL_CREATED_CATEG 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 HR99S_PAL_CREATED_CATEG. 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 HR99S_PAL_CREATED_CATEG 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_HR99S_PAL_CREATED_CATEG TYPE STANDARD TABLE OF HR99S_PAL_CREATED_CATEG,
      WA_HR99S_PAL_CREATED_CATEG TYPE HR99S_PAL_CREATED_CATEG,
      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: <HR99S_PAL_CREATED_CATEG> TYPE HR99S_PAL_CREATED_CATEG.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HR99S_PAL_CREATED_CATEG.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HR99S_PAL_CREATED_CATEG
  INTO TABLE IT_HR99S_PAL_CREATED_CATEG.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HR99S_PAL_CREATED_CATEG
*  INTO TABLE @DATA(IT_HR99S_PAL_CREATED_CATEG2).
*--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_HR99S_PAL_CREATED_CATEG INDEX 1 INTO DATA(WA_HR99S_PAL_CREATED_CATEG2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HR99S_PAL_CREATED_CATEG ASSIGNING <HR99S_PAL_CREATED_CATEG>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HR99S_PAL_CREATED_CATEG>-CATEG_ID = 1.
<HR99S_PAL_CREATED_CATEG>-TABNAME = 1.
<HR99S_PAL_CREATED_CATEG>-CREATED = 1.
<HR99S_PAL_CREATED_CATEG>-VARIANT = 1.
<HR99S_PAL_CREATED_CATEG>-ROWMARK = 1.

ENDLOOP.

LOOP AT IT_HR99S_PAL_CREATED_CATEG INTO WA_HR99S_PAL_CREATED_CATEG.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HR99S_PAL_CREATED_CATEG-CAT_PUSH1, sy-vline,
  WA_HR99S_PAL_CREATED_CATEG-ACTIVE, sy-vline,
  WA_HR99S_PAL_CREATED_CATEG-POSITION, sy-vline,
  WA_HR99S_PAL_CREATED_CATEG-DEF, sy-vline,
  WA_HR99S_PAL_CREATED_CATEG-TEXT, sy-vline,
  WA_HR99S_PAL_CREATED_CATEG-ICON_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HR99S_PAL_CREATED_CATEG 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_HR99S_PAL_CREATED_CATEG 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_HR99S_PAL_CREATED_CATEG INTO WA_HR99S_PAL_CREATED_CATEG.


*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_HR99S_PAL_CREATED_CATEG_STR, 
CATEG_ID TYPE STRING,
TABNAME TYPE STRING,
CREATED TYPE STRING,
VARIANT TYPE STRING,
ROWMARK TYPE STRING,
CAT_PUSH1 TYPE STRING,
ACTIVE TYPE STRING,
POSITION TYPE STRING,
DEF TYPE STRING,
TEXT TYPE STRING,
ICON_ID TYPE STRING,
ICON_TEXT TYPE STRING,
QUICKINFO TYPE STRING,
PATH TYPE STRING,
CLBK TYPE STRING,
USEREXITP TYPE STRING,
USEREXITF TYPE STRING,
USEREXITT TYPE STRING,
CAT_PUSH2 TYPE STRING,
ACTIVE TYPE STRING,
POSITION TYPE STRING,
DEF TYPE STRING,
TEXT TYPE STRING,
ICON_ID TYPE STRING,
ICON_TEXT TYPE STRING,
QUICKINFO TYPE STRING,
PATH TYPE STRING,
CLBK TYPE STRING,
USEREXITP TYPE STRING,
USEREXITF TYPE STRING,
USEREXITT TYPE STRING,
CAT_PUSH3 TYPE STRING,
ACTIVE TYPE STRING,
POSITION TYPE STRING,
DEF TYPE STRING,
TEXT TYPE STRING,
ICON_ID TYPE STRING,
ICON_TEXT TYPE STRING,
QUICKINFO TYPE STRING,
PATH TYPE STRING,
CLBK TYPE STRING,
USEREXITP TYPE STRING,
USEREXITF TYPE STRING,
USEREXITT TYPE STRING,
CAT_PUSH4 TYPE STRING,
ACTIVE TYPE STRING,
POSITION TYPE STRING,
DEF TYPE STRING,
TEXT TYPE STRING,
ICON_ID TYPE STRING,
ICON_TEXT TYPE STRING,
QUICKINFO TYPE STRING,
PATH TYPE STRING,
CLBK TYPE STRING,
USEREXITP TYPE STRING,
USEREXITF TYPE STRING,
USEREXITT TYPE STRING,
CALLBACK TYPE STRING,
USEREXITP TYPE STRING,
USEREXITF TYPE STRING,
USEREXITT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HR99S_PAL_CREATED_CATEG_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_HR99S_PAL_CREATED_CATEG_STR-CATEG_ID sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-TABNAME sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-CREATED sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-VARIANT sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-ROWMARK sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-CAT_PUSH1 sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-ACTIVE sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-POSITION sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-DEF sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-TEXT sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-ICON_ID sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-ICON_TEXT sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-QUICKINFO sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-PATH sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-CLBK sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-USEREXITP sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-USEREXITF sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-USEREXITT sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-CAT_PUSH2 sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-ACTIVE sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-POSITION sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-DEF sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-TEXT sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-ICON_ID sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-ICON_TEXT sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-QUICKINFO sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-PATH sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-CLBK sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-USEREXITP sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-USEREXITF sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-USEREXITT sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-CAT_PUSH3 sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-ACTIVE sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-POSITION sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-DEF sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-TEXT sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-ICON_ID sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-ICON_TEXT sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-QUICKINFO sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-PATH sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-CLBK sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-USEREXITP sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-USEREXITF sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-USEREXITT sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-CAT_PUSH4 sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-ACTIVE sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-POSITION sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-DEF sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-TEXT sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-ICON_ID sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-ICON_TEXT sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-QUICKINFO sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-PATH sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-CLBK sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-USEREXITP sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-USEREXITF sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-USEREXITT sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-CALLBACK sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-USEREXITP sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-USEREXITF sy-vline 
WA_HR99S_PAL_CREATED_CATEG_STR-USEREXITT sy-vline      INTO ld_text SEPARATED BY SPACE.

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