ABAP Select data from SAP table MMPUR_PRINT_ESUH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_PRINT_ESUH
*  INTO TABLE @DATA(IT_MMPUR_PRINT_ESUH2).
*--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_MMPUR_PRINT_ESUH INDEX 1 INTO DATA(WA_MMPUR_PRINT_ESUH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_PRINT_ESUH>-MANDT = 1.
<MMPUR_PRINT_ESUH>-PACKNO = 1.
<MMPUR_PRINT_ESUH>-PLN_PACKNO = 1.
<MMPUR_PRINT_ESUH>-SUMLIMIT = 1.
<MMPUR_PRINT_ESUH>-SUMNOLIM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_PRINT_ESUH-COMMITMENT, sy-vline,
  WA_MMPUR_PRINT_ESUH-ACTVALUE, sy-vline,
  WA_MMPUR_PRINT_ESUH-ST_EXIT, sy-vline,
  WA_MMPUR_PRINT_ESUH-VC_EXIST, sy-vline,
  WA_MMPUR_PRINT_ESUH-PK_EXIST, sy-vline,
  WA_MMPUR_PRINT_ESUH-PRS_CHG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_PRINT_ESUH 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_MMPUR_PRINT_ESUH 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_MMPUR_PRINT_ESUH INTO WA_MMPUR_PRINT_ESUH.


*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 ALPHA, internal->external for field SPEC_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_PRINT_ESUH-SPEC_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_PRINT_ESUH-SPEC_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KSTAR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_PRINT_ESUH-KSTAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_PRINT_ESUH-KSTAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WARPL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_PRINT_ESUH-WARPL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_PRINT_ESUH-WARPL.
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_MMPUR_PRINT_ESUH_STR, 
MANDT TYPE STRING,
PACKNO TYPE STRING,
PLN_PACKNO TYPE STRING,
SUMLIMIT TYPE STRING,
SUMNOLIM TYPE STRING,
COMMITMENT TYPE STRING,
ACTVALUE TYPE STRING,
ST_EXIT TYPE STRING,
VC_EXIST TYPE STRING,
PK_EXIST TYPE STRING,
PRS_CHG TYPE STRING,
RESTLIMIT TYPE STRING,
RESTNOLIM TYPE STRING,
RESTACT TYPE STRING,
WAERS TYPE STRING,
LBNUM TYPE STRING,
AUSGB TYPE STRING,
LBLIMIT TYPE STRING,
LBNOLIM TYPE STRING,
ACTLBLIM TYPE STRING,
PRS_CHG_LB TYPE STRING,
SPEC_NO TYPE STRING,
SPECLIMIT TYPE STRING,
PRS_CHG_MU TYPE STRING,
TMP_PROZ TYPE STRING,
LB_PROZ TYPE STRING,
CONT_PROZ TYPE STRING,
SPECNOLIM TYPE STRING,
ACTSPLIM TYPE STRING,
MWSKZ TYPE STRING,
TXJCD TYPE STRING,
NAVNW TYPE STRING,
KSTAR TYPE STRING,
_DATAAGING TYPE STRING,
/ILE/NOMIVAL TYPE STRING,
/ILE/ANNXVAL TYPE STRING,
EBELP TYPE STRING,
WARPL TYPE STRING,
SRVTYP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_PRINT_ESUH_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_MMPUR_PRINT_ESUH_STR-MANDT sy-vline 
WA_MMPUR_PRINT_ESUH_STR-PACKNO sy-vline 
WA_MMPUR_PRINT_ESUH_STR-PLN_PACKNO sy-vline 
WA_MMPUR_PRINT_ESUH_STR-SUMLIMIT sy-vline 
WA_MMPUR_PRINT_ESUH_STR-SUMNOLIM sy-vline 
WA_MMPUR_PRINT_ESUH_STR-COMMITMENT sy-vline 
WA_MMPUR_PRINT_ESUH_STR-ACTVALUE sy-vline 
WA_MMPUR_PRINT_ESUH_STR-ST_EXIT sy-vline 
WA_MMPUR_PRINT_ESUH_STR-VC_EXIST sy-vline 
WA_MMPUR_PRINT_ESUH_STR-PK_EXIST sy-vline 
WA_MMPUR_PRINT_ESUH_STR-PRS_CHG sy-vline 
WA_MMPUR_PRINT_ESUH_STR-RESTLIMIT sy-vline 
WA_MMPUR_PRINT_ESUH_STR-RESTNOLIM sy-vline 
WA_MMPUR_PRINT_ESUH_STR-RESTACT sy-vline 
WA_MMPUR_PRINT_ESUH_STR-WAERS sy-vline 
WA_MMPUR_PRINT_ESUH_STR-LBNUM sy-vline 
WA_MMPUR_PRINT_ESUH_STR-AUSGB sy-vline 
WA_MMPUR_PRINT_ESUH_STR-LBLIMIT sy-vline 
WA_MMPUR_PRINT_ESUH_STR-LBNOLIM sy-vline 
WA_MMPUR_PRINT_ESUH_STR-ACTLBLIM sy-vline 
WA_MMPUR_PRINT_ESUH_STR-PRS_CHG_LB sy-vline 
WA_MMPUR_PRINT_ESUH_STR-SPEC_NO sy-vline 
WA_MMPUR_PRINT_ESUH_STR-SPECLIMIT sy-vline 
WA_MMPUR_PRINT_ESUH_STR-PRS_CHG_MU sy-vline 
WA_MMPUR_PRINT_ESUH_STR-TMP_PROZ sy-vline 
WA_MMPUR_PRINT_ESUH_STR-LB_PROZ sy-vline 
WA_MMPUR_PRINT_ESUH_STR-CONT_PROZ sy-vline 
WA_MMPUR_PRINT_ESUH_STR-SPECNOLIM sy-vline 
WA_MMPUR_PRINT_ESUH_STR-ACTSPLIM sy-vline 
WA_MMPUR_PRINT_ESUH_STR-MWSKZ sy-vline 
WA_MMPUR_PRINT_ESUH_STR-TXJCD sy-vline 
WA_MMPUR_PRINT_ESUH_STR-NAVNW sy-vline 
WA_MMPUR_PRINT_ESUH_STR-KSTAR sy-vline 
WA_MMPUR_PRINT_ESUH_STR-_DATAAGING sy-vline 
WA_MMPUR_PRINT_ESUH_STR-/ILE/NOMIVAL sy-vline 
WA_MMPUR_PRINT_ESUH_STR-/ILE/ANNXVAL sy-vline 
WA_MMPUR_PRINT_ESUH_STR-EBELP sy-vline 
WA_MMPUR_PRINT_ESUH_STR-WARPL sy-vline 
WA_MMPUR_PRINT_ESUH_STR-SRVTYP sy-vline      INTO ld_text SEPARATED BY SPACE.

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