Kevin Grittner f566515192 Add record_image_ops opclass for matview concurrent refresh. ... REFRESH MATERIALIZED VIEW CONCURRENTLY was broken for any matview containing a column of a type without a default btree operator class. It also did not produce results consistent with a non- concurrent REFRESH or a normal view if any column was of a type which allowed user-visible differences between values which compared as equal according to the type's default btree opclass. Concurrent matview refresh was modified to use the new operators to solve these problems. Documentation was added for record comparison, both for the default btree operator class for record, and the newly added operators. Regression tests now check for proper behavior both for a matview with a box column and a matview containing a citext column. Reviewed by Steve Singer, who suggested some of the doc language.		2013-10-09 14:26:09 -05:00
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citext.sql