SQL Server

Read Japanese utf-8 CSV File

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Demonstrates how to read a utf-8 .csv file containing some Japanese characters. SQL Server

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    -- This example program loads a file (japanese.csv)
    -- that contains this content:
    -- 
    -- year,color,country,food
    -- 2001,red,France,cheese
    -- 2005,blue,"United States",hamburger
    -- 2008,green,Italy,pasta
    -- 1998,orange,Japan,sushi
    -- 2010,silver,"太志","森田"
    -- 

    DECLARE @csv int
    EXEC @hr = sp_OACreate 'Chilkat.Csv', @csv OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- Prior to loading the CSV file, indicate that the 1st row
    -- should be treated as column names:
    EXEC sp_OASetProperty @csv, 'HasColumnNames', 1

    -- Load the CSV records from the file.
    -- Important: Make sure to call LoadFile2 so that the charset (utf-8)
    -- of the CSV file can be indicated.
    EXEC sp_OAMethod @csv, 'LoadFile2', @success OUT, 'qa_data/csv/japanese.csv', 'utf-8'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @csv, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @csv
        RETURN
      END

    -- Display the contents of the 3rd column
    DECLARE @row int

    DECLARE @n int
    EXEC sp_OAGetProperty @csv, 'NumRows', @n OUT
    SELECT @row = 0
    WHILE @row <= @n - 1
      BEGIN
        EXEC sp_OAMethod @csv, 'GetCell', @sTmp0 OUT, @row, 2
        PRINT @sTmp0
        SELECT @row = @row + 1
      END

    EXEC @hr = sp_OADestroy @csv


END
GO