ABAP Select data from SAP table P12BOW_REC2INC_1_2019 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P12BOW_REC2INC_1_2019 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 P12BOW_REC2INC_1_2019. 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 P12BOW_REC2INC_1_2019 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_P12BOW_REC2INC_1_2019 TYPE STANDARD TABLE OF P12BOW_REC2INC_1_2019,
      WA_P12BOW_REC2INC_1_2019 TYPE P12BOW_REC2INC_1_2019,
      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: <P12BOW_REC2INC_1_2019> TYPE P12BOW_REC2INC_1_2019.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P12BOW_REC2INC_1_2019.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P12BOW_REC2INC_1_2019
  INTO TABLE IT_P12BOW_REC2INC_1_2019.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P12BOW_REC2INC_1_2019
*  INTO TABLE @DATA(IT_P12BOW_REC2INC_1_20192).
*--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_P12BOW_REC2INC_1_2019 INDEX 1 INTO DATA(WA_P12BOW_REC2INC_1_20192).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P12BOW_REC2INC_1_2019 ASSIGNING <P12BOW_REC2INC_1_2019>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P12BOW_REC2INC_1_2019>-PERNR = 1.
<P12BOW_REC2INC_1_2019>-WERKS = 1.
<P12BOW_REC2INC_1_2019>-BTRTL = 1.
<P12BOW_REC2INC_1_2019>-PERSG = 1.
<P12BOW_REC2INC_1_2019>-F2030 = 1.

ENDLOOP.

LOOP AT IT_P12BOW_REC2INC_1_2019 INTO WA_P12BOW_REC2INC_1_2019.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P12BOW_REC2INC_1_2019-F2031, sy-vline,
  WA_P12BOW_REC2INC_1_2019-F2032, sy-vline,
  WA_P12BOW_REC2INC_1_2019-F2033, sy-vline,
  WA_P12BOW_REC2INC_1_2019-F2034, sy-vline,
  WA_P12BOW_REC2INC_1_2019-F2035, sy-vline,
  WA_P12BOW_REC2INC_1_2019-F2036, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P12BOW_REC2INC_1_2019 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_P12BOW_REC2INC_1_2019 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_P12BOW_REC2INC_1_2019 INTO WA_P12BOW_REC2INC_1_2019.


*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_P12BOW_REC2INC_1_2019_STR, 
PERNR TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
PERSG TYPE STRING,
F2030 TYPE STRING,
F2031 TYPE STRING,
F2032 TYPE STRING,
F2033 TYPE STRING,
F2034 TYPE STRING,
F2035 TYPE STRING,
F2036 TYPE STRING,
F2037 TYPE STRING,
F2038 TYPE STRING,
F2039 TYPE STRING,
F2040 TYPE STRING,
F2041 TYPE STRING,
F2042 TYPE STRING,
F2043 TYPE STRING,
F2044 TYPE STRING,
F2045 TYPE STRING,
F2046 TYPE STRING,
F2047 TYPE STRING,
F2048 TYPE STRING,
F2049 TYPE STRING,
F2050 TYPE STRING,
F2051 TYPE STRING,
F2052 TYPE STRING,
F2053 TYPE STRING,
F2054 TYPE STRING,
F2055 TYPE STRING,
F2056 TYPE STRING,
F2057 TYPE STRING,
F2058 TYPE STRING,
V2059 TYPE STRING,
V2060 TYPE STRING,
V2061 TYPE STRING,
V2062 TYPE STRING,
V2063 TYPE STRING,
V2064 TYPE STRING,
V2065 TYPE STRING,
V2066 TYPE STRING,
V2067 TYPE STRING,
V2068 TYPE STRING,
V2069 TYPE STRING,
V2070 TYPE STRING,
V2071 TYPE STRING,
V2072 TYPE STRING,
V2073 TYPE STRING,
V2074 TYPE STRING,
V2075 TYPE STRING,
V2076 TYPE STRING,
V2077 TYPE STRING,
V2078 TYPE STRING,
V2079 TYPE STRING,
V2080 TYPE STRING,
V2081 TYPE STRING,
V2082 TYPE STRING,
V2083 TYPE STRING,
V2084 TYPE STRING,
V2085 TYPE STRING,
V2086 TYPE STRING,
V2087 TYPE STRING,
V2088 TYPE STRING,
F2089 TYPE STRING,
F2090 TYPE STRING,
F2091 TYPE STRING,
F2092 TYPE STRING,
F2093 TYPE STRING,
F2095 TYPE STRING,
F2097 TYPE STRING,
F2099 TYPE STRING,
F2100 TYPE STRING,
F2101 TYPE STRING,
F2102 TYPE STRING,
F2103 TYPE STRING,
F2104 TYPE STRING,
F2105 TYPE STRING,
V2115 TYPE STRING,
V2116 TYPE STRING,
V2117 TYPE STRING,
F2118 TYPE STRING,
F2107 TYPE STRING,
F2108 TYPE STRING,
F2109 TYPE STRING,
F2110 TYPE STRING,
F2111 TYPE STRING,
V2113 TYPE STRING,
V2119 TYPE STRING,
V2120 TYPE STRING,
V2121 TYPE STRING,
V2122 TYPE STRING,
V2123 TYPE STRING,
V2124 TYPE STRING,
V2125 TYPE STRING,
V2126 TYPE STRING,
V2127 TYPE STRING,
V2128 TYPE STRING,
V2129 TYPE STRING,
V2130 TYPE STRING,
V2131 TYPE STRING,
V2132 TYPE STRING,
V2133 TYPE STRING,
V2134 TYPE STRING,
V2135 TYPE STRING,
V2136 TYPE STRING,
V2137 TYPE STRING,
V2138 TYPE STRING,
V2139 TYPE STRING,
V2140 TYPE STRING,
V2141 TYPE STRING,
F2142 TYPE STRING,
V2143 TYPE STRING,
V2165 TYPE STRING,
V2166 TYPE STRING,
F2167 TYPE STRING,
F2168 TYPE STRING,
F2169 TYPE STRING,
F2170 TYPE STRING,
BTVS2 TYPE STRING,
V2176 TYPE STRING,
V2177 TYPE STRING,
V2178 TYPE STRING,
V2179 TYPE STRING,
V2180 TYPE STRING,
V2181 TYPE STRING,
V2182 TYPE STRING,
V2183 TYPE STRING,
V2184 TYPE STRING,
V2185 TYPE STRING,
V2186 TYPE STRING,
V2187 TYPE STRING,
V2188 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P12BOW_REC2INC_1_2019_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_P12BOW_REC2INC_1_2019_STR-PERNR sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-WERKS sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-BTRTL sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-PERSG sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2030 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2031 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2032 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2033 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2034 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2035 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2036 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2037 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2038 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2039 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2040 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2041 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2042 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2043 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2044 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2045 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2046 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2047 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2048 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2049 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2050 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2051 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2052 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2053 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2054 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2055 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2056 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2057 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2058 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2059 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2060 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2061 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2062 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2063 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2064 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2065 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2066 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2067 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2068 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2069 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2070 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2071 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2072 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2073 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2074 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2075 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2076 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2077 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2078 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2079 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2080 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2081 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2082 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2083 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2084 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2085 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2086 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2087 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2088 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2089 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2090 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2091 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2092 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2093 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2095 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2097 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2099 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2100 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2101 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2102 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2103 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2104 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2105 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2115 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2116 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2117 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2118 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2107 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2108 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2109 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2110 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2111 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2113 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2119 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2120 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2121 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2122 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2123 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2124 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2125 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2126 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2127 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2128 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2129 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2130 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2131 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2132 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2133 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2134 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2135 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2136 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2137 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2138 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2139 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2140 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2141 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2142 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2143 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2165 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2166 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2167 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2168 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2169 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-F2170 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-BTVS2 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2176 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2177 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2178 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2179 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2180 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2181 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2182 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2183 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2184 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2185 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2186 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2187 sy-vline 
WA_P12BOW_REC2INC_1_2019_STR-V2188 sy-vline      INTO ld_text SEPARATED BY SPACE.

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