Litao Wu <litaowu(at)yahoo(dot)com> writes:
> I have changed "reindex table my_table" to:
> psql ...
> -c "drop index my_index; create index my_index;"
> I do not know what caused this happen, and I
> am also confused. If create index my_index is killed
> by "-9", then my_index should not present in the
> database because it has been dropped before creating.
I believe that the above executes the two commands in a single
transaction. So if you kill it midway through the CREATE, everything
rolls back and the index is still there.
regards, tom lane
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