=?gb2312?B?y6fDzQ==?= <[EMAIL PROTECTED]> writes:
> when i debug ,i can break at function such as gistgettuple,gistfirst,gistnext
> BUT when i create table and index this way( just create the index after i have
> inserted data ) ,i can't debug gist,why?
CREATE INDEX doesn't go through any of those three entry points. See
gistbuild.
regards, tom lane
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
