ABAP Select data from SAP table CRAPO_RESOURCE_MOD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRAPO_RESOURCE_MOD
*  INTO TABLE @DATA(IT_CRAPO_RESOURCE_MOD2).
*--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_CRAPO_RESOURCE_MOD INDEX 1 INTO DATA(WA_CRAPO_RESOURCE_MOD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRAPO_RESOURCE_MOD>-AZNOR = 1.
<CRAPO_RESOURCE_MOD>-BEGZT = 1.
<CRAPO_RESOURCE_MOD>-ENDZT = 1.
<CRAPO_RESOURCE_MOD>-KALID = 1.
<CRAPO_RESOURCE_MOD>-NGRAD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRAPO_RESOURCE_MOD-PAUSE, sy-vline,
  WA_CRAPO_RESOURCE_MOD-PLANR, sy-vline,
  WA_CRAPO_RESOURCE_MOD-REFID, sy-vline,
  WA_CRAPO_RESOURCE_MOD-VERSA, sy-vline,
  WA_CRAPO_RESOURCE_MOD-KAPTER, sy-vline,
  WA_CRAPO_RESOURCE_MOD-KAPAVO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRAPO_RESOURCE_MOD 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_CRAPO_RESOURCE_MOD 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_CRAPO_RESOURCE_MOD INTO WA_CRAPO_RESOURCE_MOD.


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

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

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

*Conversion exit CUNIT, internal->external for field BR_TUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CRAPO_RESOURCE_MOD-BR_TUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRAPO_RESOURCE_MOD-BR_TUNIT.
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_CRAPO_RESOURCE_MOD_STR, 
AZNOR TYPE STRING,
BEGZT TYPE STRING,
ENDZT TYPE STRING,
KALID TYPE STRING,
NGRAD TYPE STRING,
PAUSE TYPE STRING,
PLANR TYPE STRING,
REFID TYPE STRING,
VERSA TYPE STRING,
KAPTER TYPE STRING,
KAPAVO TYPE STRING,
UEBERLAST TYPE STRING,
TYPE TYPE STRING,
RESTYPE TYPE STRING,
CAPACITY_A TYPE STRING,
CAPACITY_A_UNIT TYPE STRING,
NUM_OF_PERIODS TYPE STRING,
PERIOD TYPE STRING,
BUFFERTIME TYPE STRING,
BUFFERTIME_UNIT TYPE STRING,
IS_BOTTLENECK TYPE STRING,
UNDERLOAD TYPE STRING,
OVERLAP_BUCKETS TYPE STRING,
START_ON_GRID TYPE STRING,
MIN_OVERLAP TYPE STRING,
MIN_OVERLAP_UNIT TYPE STRING,
LOSS_FACTOR TYPE STRING,
SORT TYPE STRING,
SYNC_START TYPE STRING,
DEFINE_BUCKETS TYPE STRING,
LC_DAYS_MINUS TYPE STRING,
LC_DAYS_PLUS TYPE STRING,
STORAGE_CAPABLE TYPE STRING,
MIN_STORAGE TYPE STRING,
MAX_STORAGE TYPE STRING,
STORAGE_UNIT TYPE STRING,
DIM_STORAGE TYPE STRING,
STORAGE_TO_ZERO TYPE STRING,
SNPLC TYPE STRING,
UTIL_BUCKET TYPE STRING,
CAMPAIGN_PPDS TYPE STRING,
CAMPAIGN_SNP TYPE STRING,
TSTREAM_EXTERNAL TYPE STRING,
BR_QUANT TYPE STRING,
BR_QUNIT TYPE STRING,
BR_TIME TYPE STRING,
BR_TUNIT TYPE STRING,
RITT_FLG TYPE STRING,
MDRMODEL TYPE STRING,
FINITY_LEVEL TYPE STRING,
PP_DEF_BUCKETS TYPE STRING,
PP_BUCKET_SCHEMA TYPE STRING,
PP_BUCKET_FACT TYPE STRING,
MIX_PLAN_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRAPO_RESOURCE_MOD_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_CRAPO_RESOURCE_MOD_STR-AZNOR sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-BEGZT sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-ENDZT sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-KALID sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-NGRAD sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-PAUSE sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-PLANR sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-REFID sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-VERSA sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-KAPTER sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-KAPAVO sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-UEBERLAST sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-TYPE sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-RESTYPE sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-CAPACITY_A sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-CAPACITY_A_UNIT sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-NUM_OF_PERIODS sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-PERIOD sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-BUFFERTIME sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-BUFFERTIME_UNIT sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-IS_BOTTLENECK sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-UNDERLOAD sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-OVERLAP_BUCKETS sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-START_ON_GRID sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-MIN_OVERLAP sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-MIN_OVERLAP_UNIT sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-LOSS_FACTOR sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-SORT sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-SYNC_START sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-DEFINE_BUCKETS sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-LC_DAYS_MINUS sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-LC_DAYS_PLUS sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-STORAGE_CAPABLE sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-MIN_STORAGE sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-MAX_STORAGE sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-STORAGE_UNIT sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-DIM_STORAGE sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-STORAGE_TO_ZERO sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-SNPLC sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-UTIL_BUCKET sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-CAMPAIGN_PPDS sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-CAMPAIGN_SNP sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-TSTREAM_EXTERNAL sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-BR_QUANT sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-BR_QUNIT sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-BR_TIME sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-BR_TUNIT sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-RITT_FLG sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-MDRMODEL sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-FINITY_LEVEL sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-PP_DEF_BUCKETS sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-PP_BUCKET_SCHEMA sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-PP_BUCKET_FACT sy-vline 
WA_CRAPO_RESOURCE_MOD_STR-MIX_PLAN_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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