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 code_page_spec 

Syntax Rules for Describing the Data Stream

Syntax

<code_page_spec> ::= CODEPAGE [<valCODEPAGE_NAME>]

valCODEPAGE_NAME

Name of code page
Default value: ISO-8859-1

If you specify an empty value, the code page is reset to the default value.

Use

If you convert CHAR data from ASCII to UCS2, you determine which code page is used (see also: standard_code_spec).

Case 1: The code page for the conversion is a user-defined code page and is not yet contained in the system table CODEPAGE.

To make user-defined code pages accessible to the Loader for conversions, you first have to load these code pages into the system table CODEPAGE. To do this, proceed as follows:

       1.      In the directory <dependent_path>/env, create a file with the name <valCODEPAGE_NAME>.txt. This file has to be formatted in the same was as the files that are provided by the Unicode consortium at ftp://ftp.unicode.org/Public/MAPPINGS/.

 File ISO-8859-8.txt

# Name:             ISO/IEC 8859-8:1999 to Unicode
#
Unicode version:  3.0
#
Table version:    1.1
#
Table format:     Format A
#
Date:             2000-Jan-03
#
Authors:          Ken Whistler kenw@sybase.com
#
#
Copyright (c) 1991-1999 Unicode, Inc.  All Rights reserved.
#
#
This file is provided as-is by Unicode, Inc. (The Unicode Consortium).
#
No claims are made as to fitness for any particular purpose.  No
#
warranties of any kind are expressed or implied.  The recipient
#
agrees to determine applicability of information provided.  If this
#
file has been provided on optical media by Unicode, Inc., the sole
#
remedy for any claim will be exchange of defective media within 90
#
days of receipt.
#
#
Unicode, Inc. hereby grants the right to freely use the information
#
supplied in this file in the creation of products supporting the
#
Unicode Standard, and to make copies of this file in any form for
#
internal or external distribution as long as this notice remains
#
attached.

#
Format:  Three tab-separated columns
#
    Column #1 is the ISO/IEC 8859-8 code (in hex as 0xXX)
#
    Column #2 is the Unicode (in hex as 0xXXXX)
#
    Column #3 the Unicode name (follows a comment sign, '#')


0x00
0x0000   #  NULL
0x01
0x0001   #  START OF HEADING
0x02
0x0002   #  START OF TEXT
0x03
0x0003   #  END OF TEXT
0x04
0x0004   #  END OF TRANSMISSION
0x05
0x0005   #  ENQUIRY
0x06
0x0006   #  ACKNOWLEDGE
0x07
0x0007   #  BELL
0x08
0x0008   #  BACKSPACE
0x09
0x0009   #  HORIZONTAL TABULATION
0x0A
0x000A   #  LINE FEED

       2.      Load the code page into the system table CODEPAGE.
Use the SET command to do so. When processing the SET command SET CODEPAGE <valCODEPAGE_NAME>, the Loader first tries to find the specified code page in the system table CODEPAGE. If the table does not contain the code page, the SAP DB Loader tries to find the corresponding file <valCODEPAGE_NAME>.txt. If this file exists, it is read, and the conversion table is entered in the system table CODEPAGE.

If the file is not found, and if the code page is not contained in the system table, the Loader stops processing the SET command and displays an error message.

If the SET command is processed successfully, the user-defined code page is available in the system table CODEPAGE.

Case 2: The code page for the conversion is already contained in the system table CODEPAGE.

Process Flow

The Loader reads the conversion table from the system table CODEPAGE. All subsequent conversions of the CHAR data from ASCII to UCS2 are performed by using this conversion table.

See also:

Data Format

Format of the Data Stream

 

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