From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | jian he <jian(dot)universality(at)gmail(dot)com> |
Cc: | Priyank Rajvansh <rajvansh(dot)priyank(at)gmail(dot)com>, pgsql-general(at)postgresql(dot)org |
Subject: | Re: error in the example given for numeric data types |
Date: | 2023-07-15 13:16:41 |
Message-ID: | 3579168.1689427001@sss.pgh.pa.us |
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Lists: | pgsql-general |
jian he <jian(dot)universality(at)gmail(dot)com> writes:
>> practice=# create table t1(height numeric(3,5));
>> ERROR: NUMERIC scale 5 must be between 0 and precision 3
> it works in pg15, not in pg14.
> see my test: https://dbfiddle.uk/wgfjCx7j
Indeed. The quoted documentation text is different between v15 and prior
versions. Observe also the v15 release notes:
https://www.postgresql.org/docs/15/release-15.html
E.4.3.4. Data Types
Allow the scale of a numeric value to be negative, or greater than
its precision (Dean Rasheed, Tom Lane)
This allows rounding of values to the left of the decimal point,
e.g., '1234'::numeric(4, -2) returns 1200.
regards, tom lane
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