ABAP Select data from SAP table PPMGAG_T_TZBZ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPMGAG_T_TZBZ
*  INTO TABLE @DATA(IT_PPMGAG_T_TZBZ2).
*--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_PPMGAG_T_TZBZ INDEX 1 INTO DATA(WA_PPMGAG_T_TZBZ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPMGAG_T_TZBZ>-MANDT = 1.
<PPMGAG_T_TZBZ>-BUKRS = 1.
<PPMGAG_T_TZBZ>-JKONSOLI = 1.
<PPMGAG_T_TZBZ>-JKGEWAB = 1.
<PPMGAG_T_TZBZ>-XBAVREG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPMGAG_T_TZBZ-LEITWAERS, sy-vline,
  WA_PPMGAG_T_TZBZ-VVRHANDPL, sy-vline,
  WA_PPMGAG_T_TZBZ-RKURSBER, sy-vline,
  WA_PPMGAG_T_TZBZ-RFGEB, sy-vline,
  WA_PPMGAG_T_TZBZ-DFREI, sy-vline,
  WA_PPMGAG_T_TZBZ-TFREI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPMGAG_T_TZBZ 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_PPMGAG_T_TZBZ 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_PPMGAG_T_TZBZ INTO WA_PPMGAG_T_TZBZ.


*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 RFGEB
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPMGAG_T_TZBZ-RFGEB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPMGAG_T_TZBZ-RFGEB.
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_PPMGAG_T_TZBZ_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
JKONSOLI TYPE STRING,
JKGEWAB TYPE STRING,
XBAVREG TYPE STRING,
LEITWAERS TYPE STRING,
VVRHANDPL TYPE STRING,
RKURSBER TYPE STRING,
RFGEB TYPE STRING,
DFREI TYPE STRING,
TFREI TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
VVDDPER TYPE STRING,
VVDWPER TYPE STRING,
RHANDPL TYPE STRING,
PANRE TYPE STRING,
VVJBAV TYPE STRING,
VVJZBNKP TYPE STRING,
CALLT TYPE STRING,
SIDENT TYPE STRING,
SLEERV TYPE STRING,
AKURSART TYPE STRING,
XLAND TYPE STRING,
SSTANDINST TYPE STRING,
RSWIFT TYPE STRING,
SKALID TYPE STRING,
UMSDATUM TYPE STRING,
VVRATECONV TYPE STRING,
IRA_PLAN_STRAT TYPE STRING,
SPA_PLAN_STRAT TYPE STRING,
CPA_PLAN_STRAT TYPE STRING,
CPA_CURVE_T_OUT TYPE STRING,
CPA_CURVE_T_IN TYPE STRING,
FX_DATE TYPE STRING,
CREDITOR_ID TYPE STRING,
KWG14_SENDER TYPE STRING,
KWG14_XML_SIGN TYPE STRING,
ALLOW_TRADE_ID TYPE STRING,
IS_TRSY_CENTER TYPE STRING,
TRSY_CTR_SORT_ORDER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPMGAG_T_TZBZ_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_PPMGAG_T_TZBZ_STR-MANDT sy-vline 
WA_PPMGAG_T_TZBZ_STR-BUKRS sy-vline 
WA_PPMGAG_T_TZBZ_STR-JKONSOLI sy-vline 
WA_PPMGAG_T_TZBZ_STR-JKGEWAB sy-vline 
WA_PPMGAG_T_TZBZ_STR-XBAVREG sy-vline 
WA_PPMGAG_T_TZBZ_STR-LEITWAERS sy-vline 
WA_PPMGAG_T_TZBZ_STR-VVRHANDPL sy-vline 
WA_PPMGAG_T_TZBZ_STR-RKURSBER sy-vline 
WA_PPMGAG_T_TZBZ_STR-RFGEB sy-vline 
WA_PPMGAG_T_TZBZ_STR-DFREI sy-vline 
WA_PPMGAG_T_TZBZ_STR-TFREI sy-vline 
WA_PPMGAG_T_TZBZ_STR-RERF sy-vline 
WA_PPMGAG_T_TZBZ_STR-DERF sy-vline 
WA_PPMGAG_T_TZBZ_STR-TERF sy-vline 
WA_PPMGAG_T_TZBZ_STR-REHER sy-vline 
WA_PPMGAG_T_TZBZ_STR-RBEAR sy-vline 
WA_PPMGAG_T_TZBZ_STR-DBEAR sy-vline 
WA_PPMGAG_T_TZBZ_STR-TBEAR sy-vline 
WA_PPMGAG_T_TZBZ_STR-RBHER sy-vline 
WA_PPMGAG_T_TZBZ_STR-VVDDPER sy-vline 
WA_PPMGAG_T_TZBZ_STR-VVDWPER sy-vline 
WA_PPMGAG_T_TZBZ_STR-RHANDPL sy-vline 
WA_PPMGAG_T_TZBZ_STR-PANRE sy-vline 
WA_PPMGAG_T_TZBZ_STR-VVJBAV sy-vline 
WA_PPMGAG_T_TZBZ_STR-VVJZBNKP sy-vline 
WA_PPMGAG_T_TZBZ_STR-CALLT sy-vline 
WA_PPMGAG_T_TZBZ_STR-SIDENT sy-vline 
WA_PPMGAG_T_TZBZ_STR-SLEERV sy-vline 
WA_PPMGAG_T_TZBZ_STR-AKURSART sy-vline 
WA_PPMGAG_T_TZBZ_STR-XLAND sy-vline 
WA_PPMGAG_T_TZBZ_STR-SSTANDINST sy-vline 
WA_PPMGAG_T_TZBZ_STR-RSWIFT sy-vline 
WA_PPMGAG_T_TZBZ_STR-SKALID sy-vline 
WA_PPMGAG_T_TZBZ_STR-UMSDATUM sy-vline 
WA_PPMGAG_T_TZBZ_STR-VVRATECONV sy-vline 
WA_PPMGAG_T_TZBZ_STR-IRA_PLAN_STRAT sy-vline 
WA_PPMGAG_T_TZBZ_STR-SPA_PLAN_STRAT sy-vline 
WA_PPMGAG_T_TZBZ_STR-CPA_PLAN_STRAT sy-vline 
WA_PPMGAG_T_TZBZ_STR-CPA_CURVE_T_OUT sy-vline 
WA_PPMGAG_T_TZBZ_STR-CPA_CURVE_T_IN sy-vline 
WA_PPMGAG_T_TZBZ_STR-FX_DATE sy-vline 
WA_PPMGAG_T_TZBZ_STR-CREDITOR_ID sy-vline 
WA_PPMGAG_T_TZBZ_STR-KWG14_SENDER sy-vline 
WA_PPMGAG_T_TZBZ_STR-KWG14_XML_SIGN sy-vline 
WA_PPMGAG_T_TZBZ_STR-ALLOW_TRADE_ID sy-vline 
WA_PPMGAG_T_TZBZ_STR-IS_TRSY_CENTER sy-vline 
WA_PPMGAG_T_TZBZ_STR-TRSY_CTR_SORT_ORDER sy-vline      INTO ld_text SEPARATED BY SPACE.

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