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Richard Mansfield authored
Indexes on functions of columns have a 0 in the indkey column of pg_catalog.pg_index, which doesn't refer to a column. Don't return any columns for the index, rather than returning an empty column name. Change-Id: I1464b8a9fda8bd137dcabf1145da289ccf32c500 Signed-off-by: Richard Mansfield <richard.mansfield@catalyst.net.nz>
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