[jira] [Created] (PARQUET-2452) Inlcude scale and precision in error message when scale > precision

["Elliotte Rusty Harold (Jira)" <ji...@apache.org>]

Elliotte Rusty Harold created PARQUET-2452:
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             Summary: Inlcude scale and precision in error message when scale > precision
                 Key: PARQUET-2452
                 URL: https://issues.apache.org/jira/browse/PARQUET-2452
             Project: Parquet
          Issue Type: Improvement
            Reporter: Elliotte Rusty Harold


In Types.java we find this block of code:

{code:java}
        Preconditions.checkArgument(precision > 0,
            "Invalid DECIMAL precision: %s", precision);
        Preconditions.checkArgument(this.scale >= 0,
            "Invalid DECIMAL scale: %s", this.scale);
        Preconditions.checkArgument(this.scale <= precision,
            "Invalid DECIMAL scale: cannot be greater than precision");
{code}

My program tripped the third precondition and it was harder to debug than it should have been because the scale and precision that violated the rule were not shown. Include both of these as in the previous two messages.




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