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  • access()
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    Text functions
    Home    Overview    Search    Impressum    Contact    Members
    Topic complex Table functions
    Function blobsize()
    Short Returns the size of a BLOB
    Syntax BLOBSIZE(fielddesc) : INTEGER
    Parameter fielddesc :

    Field identifier of a BLOB-field (or)
    table handle, field number (or)
    table handle, field identifier
    Return Allocated memory of BLOB-field
    See also:
    copyblob() linkblob() embedblob() blobtype()
    Description If the BLOB-field is empty, 0 is returned, otherwise the space that is stored in the BLB file is returned.

    The procedure affords the size of the BLOB-field sample, independent of being a linked or an embedded BLOB:

    PROCEDURE GetBlobSize: INTEGER;
    VAR BlobPath, s: String;
    BlobPath := GetLinkedFile(Sample);
    IF Length(BlobPath) = 0 THEN
    RETURN BlobSize(Sample);
    ELSE
    RETURUN GetSize(BlobPath)
    END
    ENDPROC

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       Last changed: 21.10.2004
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