ABAP Select data from SAP table PZA_EEA4_REASON into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PZA_EEA4_REASON 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 PZA_EEA4_REASON. 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 PZA_EEA4_REASON 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_PZA_EEA4_REASON TYPE STANDARD TABLE OF PZA_EEA4_REASON,
      WA_PZA_EEA4_REASON TYPE PZA_EEA4_REASON,
      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: <PZA_EEA4_REASON> TYPE PZA_EEA4_REASON.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PZA_EEA4_REASON.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PZA_EEA4_REASON
  INTO TABLE IT_PZA_EEA4_REASON.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PZA_EEA4_REASON
*  INTO TABLE @DATA(IT_PZA_EEA4_REASON2).
*--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_PZA_EEA4_REASON INDEX 1 INTO DATA(WA_PZA_EEA4_REASON2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PZA_EEA4_REASON ASSIGNING <PZA_EEA4_REASON>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PZA_EEA4_REASON>-TMSEN = 1.
<PZA_EEA4_REASON>-SMSEN = 1.
<PZA_EEA4_REASON>-PQSEN = 1.
<PZA_EEA4_REASON>-STSEN = 1.
<PZA_EEA4_REASON>-SSSEN = 1.

ENDLOOP.

LOOP AT IT_PZA_EEA4_REASON INTO WA_PZA_EEA4_REASON.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PZA_EEA4_REASON-USSEN, sy-vline,
  WA_PZA_EEA4_REASON-TESEN, sy-vline,
  WA_PZA_EEA4_REASON-TMQUL, sy-vline,
  WA_PZA_EEA4_REASON-SMQUL, sy-vline,
  WA_PZA_EEA4_REASON-PQQUL, sy-vline,
  WA_PZA_EEA4_REASON-STQUL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PZA_EEA4_REASON 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_PZA_EEA4_REASON 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_PZA_EEA4_REASON INTO WA_PZA_EEA4_REASON.


*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_PZA_EEA4_REASON_STR, 
TMSEN TYPE STRING,
SMSEN TYPE STRING,
PQSEN TYPE STRING,
STSEN TYPE STRING,
SSSEN TYPE STRING,
USSEN TYPE STRING,
TESEN TYPE STRING,
TMQUL TYPE STRING,
SMQUL TYPE STRING,
PQQUL TYPE STRING,
STQUL TYPE STRING,
SSQUL TYPE STRING,
USQUL TYPE STRING,
TEQUL TYPE STRING,
TMPER TYPE STRING,
SMPER TYPE STRING,
PQPER TYPE STRING,
STPER TYPE STRING,
SSPER TYPE STRING,
USPER TYPE STRING,
TEPER TYPE STRING,
TMDEM TYPE STRING,
SMDEM TYPE STRING,
PQDEM TYPE STRING,
STDEM TYPE STRING,
SSDEM TYPE STRING,
USDEM TYPE STRING,
TEDEM TYPE STRING,
TMEXP TYPE STRING,
SMEXP TYPE STRING,
PQEXP TYPE STRING,
STEXP TYPE STRING,
SSEXP TYPE STRING,
USEXP TYPE STRING,
TEEXP TYPE STRING,
TMSHO TYPE STRING,
SMSHO TYPE STRING,
PQSHO TYPE STRING,
STSHO TYPE STRING,
SSSHO TYPE STRING,
USSHO TYPE STRING,
TESHO TYPE STRING,
TMOTH TYPE STRING,
SMOTH TYPE STRING,
PQOTH TYPE STRING,
STOTH TYPE STRING,
SSOTH TYPE STRING,
USOTH TYPE STRING,
TEOTH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PZA_EEA4_REASON_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_PZA_EEA4_REASON_STR-TMSEN sy-vline 
WA_PZA_EEA4_REASON_STR-SMSEN sy-vline 
WA_PZA_EEA4_REASON_STR-PQSEN sy-vline 
WA_PZA_EEA4_REASON_STR-STSEN sy-vline 
WA_PZA_EEA4_REASON_STR-SSSEN sy-vline 
WA_PZA_EEA4_REASON_STR-USSEN sy-vline 
WA_PZA_EEA4_REASON_STR-TESEN sy-vline 
WA_PZA_EEA4_REASON_STR-TMQUL sy-vline 
WA_PZA_EEA4_REASON_STR-SMQUL sy-vline 
WA_PZA_EEA4_REASON_STR-PQQUL sy-vline 
WA_PZA_EEA4_REASON_STR-STQUL sy-vline 
WA_PZA_EEA4_REASON_STR-SSQUL sy-vline 
WA_PZA_EEA4_REASON_STR-USQUL sy-vline 
WA_PZA_EEA4_REASON_STR-TEQUL sy-vline 
WA_PZA_EEA4_REASON_STR-TMPER sy-vline 
WA_PZA_EEA4_REASON_STR-SMPER sy-vline 
WA_PZA_EEA4_REASON_STR-PQPER sy-vline 
WA_PZA_EEA4_REASON_STR-STPER sy-vline 
WA_PZA_EEA4_REASON_STR-SSPER sy-vline 
WA_PZA_EEA4_REASON_STR-USPER sy-vline 
WA_PZA_EEA4_REASON_STR-TEPER sy-vline 
WA_PZA_EEA4_REASON_STR-TMDEM sy-vline 
WA_PZA_EEA4_REASON_STR-SMDEM sy-vline 
WA_PZA_EEA4_REASON_STR-PQDEM sy-vline 
WA_PZA_EEA4_REASON_STR-STDEM sy-vline 
WA_PZA_EEA4_REASON_STR-SSDEM sy-vline 
WA_PZA_EEA4_REASON_STR-USDEM sy-vline 
WA_PZA_EEA4_REASON_STR-TEDEM sy-vline 
WA_PZA_EEA4_REASON_STR-TMEXP sy-vline 
WA_PZA_EEA4_REASON_STR-SMEXP sy-vline 
WA_PZA_EEA4_REASON_STR-PQEXP sy-vline 
WA_PZA_EEA4_REASON_STR-STEXP sy-vline 
WA_PZA_EEA4_REASON_STR-SSEXP sy-vline 
WA_PZA_EEA4_REASON_STR-USEXP sy-vline 
WA_PZA_EEA4_REASON_STR-TEEXP sy-vline 
WA_PZA_EEA4_REASON_STR-TMSHO sy-vline 
WA_PZA_EEA4_REASON_STR-SMSHO sy-vline 
WA_PZA_EEA4_REASON_STR-PQSHO sy-vline 
WA_PZA_EEA4_REASON_STR-STSHO sy-vline 
WA_PZA_EEA4_REASON_STR-SSSHO sy-vline 
WA_PZA_EEA4_REASON_STR-USSHO sy-vline 
WA_PZA_EEA4_REASON_STR-TESHO sy-vline 
WA_PZA_EEA4_REASON_STR-TMOTH sy-vline 
WA_PZA_EEA4_REASON_STR-SMOTH sy-vline 
WA_PZA_EEA4_REASON_STR-PQOTH sy-vline 
WA_PZA_EEA4_REASON_STR-STOTH sy-vline 
WA_PZA_EEA4_REASON_STR-SSOTH sy-vline 
WA_PZA_EEA4_REASON_STR-USOTH sy-vline 
WA_PZA_EEA4_REASON_STR-TEOTH sy-vline      INTO ld_text SEPARATED BY SPACE.

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