ABAP Select data from SAP table PPHS_WRKCTRCAPACITYHEADER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPHS_WRKCTRCAPACITYHEADER
*  INTO TABLE @DATA(IT_PPHS_WRKCTRCAPACITYHEADER2).
*--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_PPHS_WRKCTRCAPACITYHEADER INDEX 1 INTO DATA(WA_PPHS_WRKCTRCAPACITYHEADER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPHS_WRKCTRCAPACITYHEADER>-KAPID = 1.
<PPHS_WRKCTRCAPACITYHEADER>-WERKS = 1.
<PPHS_WRKCTRCAPACITYHEADER>-NAME = 1.
<PPHS_WRKCTRCAPACITYHEADER>-KAPAR = 1.
<PPHS_WRKCTRCAPACITYHEADER>-VERSA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPHS_WRKCTRCAPACITYHEADER-KAPTER, sy-vline,
  WA_PPHS_WRKCTRCAPACITYHEADER-POOLK, sy-vline,
  WA_PPHS_WRKCTRCAPACITYHEADER-MEHR, sy-vline,
  WA_PPHS_WRKCTRCAPACITYHEADER-KAPLPL, sy-vline,
  WA_PPHS_WRKCTRCAPACITYHEADER-AZNOR, sy-vline,
  WA_PPHS_WRKCTRCAPACITYHEADER-PLANR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPHS_WRKCTRCAPACITYHEADER 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_PPHS_WRKCTRCAPACITYHEADER 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_PPHS_WRKCTRCAPACITYHEADER INTO WA_PPHS_WRKCTRCAPACITYHEADER.


*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 KAPEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPHS_WRKCTRCAPACITYHEADER-KAPEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPHS_WRKCTRCAPACITYHEADER-KAPEH.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit CUNIT, internal->external for field STORAGE_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPHS_WRKCTRCAPACITYHEADER-STORAGE_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPHS_WRKCTRCAPACITYHEADER-STORAGE_UNIT.
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_PPHS_WRKCTRCAPACITYHEADER_STR, 
KAPID TYPE STRING,
WERKS TYPE STRING,
NAME TYPE STRING,
KAPAR TYPE STRING,
VERSA TYPE STRING,
KAPTER TYPE STRING,
POOLK TYPE STRING,
MEHR TYPE STRING,
KAPLPL TYPE STRING,
AZNOR TYPE STRING,
PLANR TYPE STRING,
NGRAD TYPE STRING,
PAUSE TYPE STRING,
KAPAVO TYPE STRING,
REFID TYPE STRING,
UEBERLAST TYPE STRING,
KALID TYPE STRING,
BRGRU TYPE STRING,
MOSID TYPE STRING,
BEGZT TYPE STRING,
ENDZT TYPE STRING,
KAPEH TYPE STRING,
MEINS TYPE STRING,
LASTCHANGE_DATETIME TYPE STRING,
TYPE TYPE STRING,
RESTYPE TYPE STRING,
LC_DAYS_MINUS TYPE STRING,
LC_DAYS_PLUS TYPE STRING,
SORT TYPE STRING,
FINITY_LEVEL TYPE STRING,
IS_BOTTLENECK TYPE STRING,
SYNC_START TYPE STRING,
BUFFERTIME TYPE STRING,
BUFFERTIME_UNIT TYPE STRING,
MIN_OVERLAP TYPE STRING,
MIN_OVERLAP_UNIT TYPE STRING,
CAMPAIGN_PPDS TYPE STRING,
TSTREAM_EXTERNAL TYPE STRING,
PP_DEF_BUCKETS TYPE STRING,
PP_BUCKET_SCHEMA TYPE STRING,
PP_BUCKET_FACT TYPE STRING,
MIX_PLAN_TYPE TYPE STRING,
STORAGE_CAPABLE TYPE STRING,
DIM_STORAGE TYPE STRING,
STORAGE_UNIT TYPE STRING,
MIN_STORAGE TYPE STRING,
MAX_STORAGE TYPE STRING,
STORAGE_TO_ZERO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPHS_WRKCTRCAPACITYHEADER_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_PPHS_WRKCTRCAPACITYHEADER_STR-KAPID sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-WERKS sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-NAME sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-KAPAR sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-VERSA sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-KAPTER sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-POOLK sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-MEHR sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-KAPLPL sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-AZNOR sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-PLANR sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-NGRAD sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-PAUSE sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-KAPAVO sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-REFID sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-UEBERLAST sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-KALID sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-BRGRU sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-MOSID sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-BEGZT sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-ENDZT sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-KAPEH sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-MEINS sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-LASTCHANGE_DATETIME sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-TYPE sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-RESTYPE sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-LC_DAYS_MINUS sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-LC_DAYS_PLUS sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-SORT sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-FINITY_LEVEL sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-IS_BOTTLENECK sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-SYNC_START sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-BUFFERTIME sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-BUFFERTIME_UNIT sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-MIN_OVERLAP sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-MIN_OVERLAP_UNIT sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-CAMPAIGN_PPDS sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-TSTREAM_EXTERNAL sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-PP_DEF_BUCKETS sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-PP_BUCKET_SCHEMA sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-PP_BUCKET_FACT sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-MIX_PLAN_TYPE sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-STORAGE_CAPABLE sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-DIM_STORAGE sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-STORAGE_UNIT sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-MIN_STORAGE sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-MAX_STORAGE sy-vline 
WA_PPHS_WRKCTRCAPACITYHEADER_STR-STORAGE_TO_ZERO sy-vline      INTO ld_text SEPARATED BY SPACE.

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