ABAP Select data from SAP table PTH_PIT91_P3 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PTH_PIT91_P3 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 PTH_PIT91_P3. 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 PTH_PIT91_P3 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_PTH_PIT91_P3 TYPE STANDARD TABLE OF PTH_PIT91_P3,
      WA_PTH_PIT91_P3 TYPE PTH_PIT91_P3,
      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: <PTH_PIT91_P3> TYPE PTH_PIT91_P3.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PTH_PIT91_P3.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PTH_PIT91_P3
  INTO TABLE IT_PTH_PIT91_P3.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PTH_PIT91_P3
*  INTO TABLE @DATA(IT_PTH_PIT91_P32).
*--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_PTH_PIT91_P3 INDEX 1 INTO DATA(WA_PTH_PIT91_P32).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PTH_PIT91_P3 ASSIGNING <PTH_PIT91_P3>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PTH_PIT91_P3>-ATTACHMENT = 1.
<PTH_PIT91_P3>-CHK_H1 = 1.
<PTH_PIT91_P3>-CHK_H2 = 1.
<PTH_PIT91_P3>-HLINE = 1.
<PTH_PIT91_P3>-ER_ADDR = 1.

ENDLOOP.

LOOP AT IT_PTH_PIT91_P3 INTO WA_PTH_PIT91_P3.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PTH_PIT91_P3-EE_YRS, sy-vline,
  WA_PTH_PIT91_P3-GOV_GRAB, sy-vline,
  WA_PTH_PIT91_P3-GOV_GRAS, sy-vline,
  WA_PTH_PIT91_P3-PRO_FUNB, sy-vline,
  WA_PTH_PIT91_P3-PRO_FUNS, sy-vline,
  WA_PTH_PIT91_P3-SEV_PAYB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PTH_PIT91_P3 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_PTH_PIT91_P3 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_PTH_PIT91_P3 INTO WA_PTH_PIT91_P3.


*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_PTH_PIT91_P3_STR, 
ATTACHMENT TYPE STRING,
CHK_H1 TYPE STRING,
CHK_H2 TYPE STRING,
HLINE TYPE STRING,
ER_ADDR TYPE STRING,
EE_YRS TYPE STRING,
GOV_GRAB TYPE STRING,
GOV_GRAS TYPE STRING,
PRO_FUNB TYPE STRING,
PRO_FUNS TYPE STRING,
SEV_PAYB TYPE STRING,
SEV_PAYS TYPE STRING,
TOT_ONEB TYPE STRING,
TOT_ONES TYPE STRING,
LUM_SUMB TYPE STRING,
LUM_SUMS TYPE STRING,
TOT_4T5B TYPE STRING,
TOT_4T5S TYPE STRING,
EXEMPT_OAE TYPE STRING,
NEXEMPT_OAE TYPE STRING,
OLD_EXMB TYPE STRING,
OLD_EXMS TYPE STRING,
BALANCEB TYPE STRING,
BALANCES TYPE STRING,
NET_INCB TYPE STRING,
NET_INCS TYPE STRING,
TAX_CALB TYPE STRING,
TAX_CALS TYPE STRING,
WTH_TAXB TYPE STRING,
WTH_TAXS TYPE STRING,
ADD_TAXB TYPE STRING,
ADD_TAXS TYPE STRING,
OVR_TAXB TYPE STRING,
OVR_TAXS TYPE STRING,
EXM_INCB TYPE STRING,
EXM_INCS TYPE STRING,
AVG_SALB TYPE STRING,
AVG_SALS TYPE STRING,
YRS_SERB TYPE STRING,
SAL_RCDB TYPE STRING,
SAL_RCDS TYPE STRING,
BAS_SALB TYPE STRING,
BAS_SALS TYPE STRING,
EXPNS_1B TYPE STRING,
EXPNS_1S TYPE STRING,
BAL_2_3B TYPE STRING,
BAL_2_3S TYPE STRING,
EXPNS_2B TYPE STRING,
EXPNS_2S TYPE STRING,
TOT_EXPB TYPE STRING,
TOT_EXPS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PTH_PIT91_P3_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_PTH_PIT91_P3_STR-ATTACHMENT sy-vline 
WA_PTH_PIT91_P3_STR-CHK_H1 sy-vline 
WA_PTH_PIT91_P3_STR-CHK_H2 sy-vline 
WA_PTH_PIT91_P3_STR-HLINE sy-vline 
WA_PTH_PIT91_P3_STR-ER_ADDR sy-vline 
WA_PTH_PIT91_P3_STR-EE_YRS sy-vline 
WA_PTH_PIT91_P3_STR-GOV_GRAB sy-vline 
WA_PTH_PIT91_P3_STR-GOV_GRAS sy-vline 
WA_PTH_PIT91_P3_STR-PRO_FUNB sy-vline 
WA_PTH_PIT91_P3_STR-PRO_FUNS sy-vline 
WA_PTH_PIT91_P3_STR-SEV_PAYB sy-vline 
WA_PTH_PIT91_P3_STR-SEV_PAYS sy-vline 
WA_PTH_PIT91_P3_STR-TOT_ONEB sy-vline 
WA_PTH_PIT91_P3_STR-TOT_ONES sy-vline 
WA_PTH_PIT91_P3_STR-LUM_SUMB sy-vline 
WA_PTH_PIT91_P3_STR-LUM_SUMS sy-vline 
WA_PTH_PIT91_P3_STR-TOT_4T5B sy-vline 
WA_PTH_PIT91_P3_STR-TOT_4T5S sy-vline 
WA_PTH_PIT91_P3_STR-EXEMPT_OAE sy-vline 
WA_PTH_PIT91_P3_STR-NEXEMPT_OAE sy-vline 
WA_PTH_PIT91_P3_STR-OLD_EXMB sy-vline 
WA_PTH_PIT91_P3_STR-OLD_EXMS sy-vline 
WA_PTH_PIT91_P3_STR-BALANCEB sy-vline 
WA_PTH_PIT91_P3_STR-BALANCES sy-vline 
WA_PTH_PIT91_P3_STR-NET_INCB sy-vline 
WA_PTH_PIT91_P3_STR-NET_INCS sy-vline 
WA_PTH_PIT91_P3_STR-TAX_CALB sy-vline 
WA_PTH_PIT91_P3_STR-TAX_CALS sy-vline 
WA_PTH_PIT91_P3_STR-WTH_TAXB sy-vline 
WA_PTH_PIT91_P3_STR-WTH_TAXS sy-vline 
WA_PTH_PIT91_P3_STR-ADD_TAXB sy-vline 
WA_PTH_PIT91_P3_STR-ADD_TAXS sy-vline 
WA_PTH_PIT91_P3_STR-OVR_TAXB sy-vline 
WA_PTH_PIT91_P3_STR-OVR_TAXS sy-vline 
WA_PTH_PIT91_P3_STR-EXM_INCB sy-vline 
WA_PTH_PIT91_P3_STR-EXM_INCS sy-vline 
WA_PTH_PIT91_P3_STR-AVG_SALB sy-vline 
WA_PTH_PIT91_P3_STR-AVG_SALS sy-vline 
WA_PTH_PIT91_P3_STR-YRS_SERB sy-vline 
WA_PTH_PIT91_P3_STR-SAL_RCDB sy-vline 
WA_PTH_PIT91_P3_STR-SAL_RCDS sy-vline 
WA_PTH_PIT91_P3_STR-BAS_SALB sy-vline 
WA_PTH_PIT91_P3_STR-BAS_SALS sy-vline 
WA_PTH_PIT91_P3_STR-EXPNS_1B sy-vline 
WA_PTH_PIT91_P3_STR-EXPNS_1S sy-vline 
WA_PTH_PIT91_P3_STR-BAL_2_3B sy-vline 
WA_PTH_PIT91_P3_STR-BAL_2_3S sy-vline 
WA_PTH_PIT91_P3_STR-EXPNS_2B sy-vline 
WA_PTH_PIT91_P3_STR-EXPNS_2S sy-vline 
WA_PTH_PIT91_P3_STR-TOT_EXPB sy-vline 
WA_PTH_PIT91_P3_STR-TOT_EXPS sy-vline      INTO ld_text SEPARATED BY SPACE.

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