ABAP Select data from SAP table CNV_TMDS_HCM_C01 into internal table

Get Example source ABAP code based on a different SAP table
  

Below is a number of ABAP code snippets to demonstrate how to select data from SAP CNV_TMDS_HCM_C01 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 CNV_TMDS_HCM_C01. 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 CNV_TMDS_HCM_C01 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_CNV_TMDS_HCM_C01 TYPE STANDARD TABLE OF CNV_TMDS_HCM_C01,
      WA_CNV_TMDS_HCM_C01 TYPE CNV_TMDS_HCM_C01,
      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: <CNV_TMDS_HCM_C01> TYPE CNV_TMDS_HCM_C01.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CNV_TMDS_HCM_C01.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CNV_TMDS_HCM_C01
  INTO TABLE IT_CNV_TMDS_HCM_C01.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CNV_TMDS_HCM_C01
*  INTO TABLE @DATA(IT_CNV_TMDS_HCM_C012).
*--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_CNV_TMDS_HCM_C01 INDEX 1 INTO DATA(WA_CNV_TMDS_HCM_C012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CNV_TMDS_HCM_C01 ASSIGNING <CNV_TMDS_HCM_C01>.
*To update a field value using a field symbol simply change the value via the field symbol pointer
<CNV_TMDS_HCM_C01>-RELID = 1.
<CNV_TMDS_HCM_C01>-MOLGA = 1.
<CNV_TMDS_HCM_C01>-WAERS = 1.
<CNV_TMDS_HCM_C01>-DELTA_ICON = 1.
<CNV_TMDS_HCM_C01>-TABNAME = 1.
ENDLOOP.

LOOP AT IT_CNV_TMDS_HCM_C01 INTO WA_CNV_TMDS_HCM_C01.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CNV_TMDS_HCM_C01-PERNR, sy-vline,
WA_CNV_TMDS_HCM_C01-SEQNR, sy-vline,
WA_CNV_TMDS_HCM_C01-ABKRS, sy-vline,
WA_CNV_TMDS_HCM_C01-FPPER, sy-vline,
WA_CNV_TMDS_HCM_C01-INPER, sy-vline,
WA_CNV_TMDS_HCM_C01-SRTZA, sy-vline.
ENDLOOP. *Add any further fields from structure WA_CNV_TMDS_HCM_C01 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_CNV_TMDS_HCM_C01 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_CNV_TMDS_HCM_C01 INTO WA_CNV_TMDS_HCM_C01. *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_CNV_TMDS_HCM_C01_STR,
RELID TYPE STRING,
MOLGA TYPE STRING,
WAERS TYPE STRING,
DELTA_ICON TYPE STRING,
TABNAME TYPE STRING,
PERNR TYPE STRING,
SEQNR TYPE STRING,
ABKRS TYPE STRING,
FPPER TYPE STRING,
INPER TYPE STRING,
SRTZA TYPE STRING,
FPBEG TYPE STRING,
FPEND TYPE STRING,
RUNDT TYPE STRING,
PERNR_COMP TYPE STRING,
SEQNR_COMP TYPE STRING,
ABKRS_COMP TYPE STRING,
FPPER_COMP TYPE STRING,
INPER_COMP TYPE STRING,
SRTZA_COMP TYPE STRING,
FPBEG_COMP TYPE STRING,
FPEND_COMP TYPE STRING,
RUNDT_COMP TYPE STRING,
RD_WR_FILE TYPE STRING,
ERROR_FLAG TYPE STRING,END OF T_EKKO_STR. DATA: WA_CNV_TMDS_HCM_C01_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_CNV_TMDS_HCM_C01_STR-RELID sy-vline
WA_CNV_TMDS_HCM_C01_STR-MOLGA sy-vline
WA_CNV_TMDS_HCM_C01_STR-WAERS sy-vline
WA_CNV_TMDS_HCM_C01_STR-DELTA_ICON sy-vline
WA_CNV_TMDS_HCM_C01_STR-TABNAME sy-vline
WA_CNV_TMDS_HCM_C01_STR-PERNR sy-vline
WA_CNV_TMDS_HCM_C01_STR-SEQNR sy-vline
WA_CNV_TMDS_HCM_C01_STR-ABKRS sy-vline
WA_CNV_TMDS_HCM_C01_STR-FPPER sy-vline
WA_CNV_TMDS_HCM_C01_STR-INPER sy-vline
WA_CNV_TMDS_HCM_C01_STR-SRTZA sy-vline
WA_CNV_TMDS_HCM_C01_STR-FPBEG sy-vline
WA_CNV_TMDS_HCM_C01_STR-FPEND sy-vline
WA_CNV_TMDS_HCM_C01_STR-RUNDT sy-vline
WA_CNV_TMDS_HCM_C01_STR-PERNR_COMP sy-vline
WA_CNV_TMDS_HCM_C01_STR-SEQNR_COMP sy-vline
WA_CNV_TMDS_HCM_C01_STR-ABKRS_COMP sy-vline
WA_CNV_TMDS_HCM_C01_STR-FPPER_COMP sy-vline
WA_CNV_TMDS_HCM_C01_STR-INPER_COMP sy-vline
WA_CNV_TMDS_HCM_C01_STR-SRTZA_COMP sy-vline
WA_CNV_TMDS_HCM_C01_STR-FPBEG_COMP sy-vline
WA_CNV_TMDS_HCM_C01_STR-FPEND_COMP sy-vline
WA_CNV_TMDS_HCM_C01_STR-RUNDT_COMP sy-vline
WA_CNV_TMDS_HCM_C01_STR-RD_WR_FILE sy-vline
WA_CNV_TMDS_HCM_C01_STR-ERROR_FLAG sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.