[2002-05-25 11:44] Tom Lane said:
| > In your responses you also raised the problem of COPY having to know about
| > default values for columns if we allow subsets of columns when we load
| > data; does that mean that COPY does something more fancy than the
| > equivalent of an INSERT?
|
| No, but it would have to be equivalent to an INSERT. BTW, the
| default-value mechanism is cleaner than it used to be and so this
| doesn't seem like as serious an objection anymore. Since COPY already
| has to have enough mechanism to evaluate constraint expressions,
| evaluating defaults too doesn't seem that horrid.
The last version of the COPY (attlist) patch does use column defaults.
Again, I'll try to get this cleaned up over this (long) weekend.
b
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