Fix a comment.
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@ -561,12 +561,13 @@ int Materialized_cursor::open(JOIN *join __attribute__((unused)))
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if (rc == 0)
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{
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/*
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Now send the result set metadata to the client. We need to do it
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here, as in Select_materialize::send_fields the exact column types
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are not yet known. The new types may differ from the original ones
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sent at prepare if some of them were altered by MySQL HEAP tables
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mechanism -- used when create_tmp_field_from_item may alter the
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original column type.
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Now send the result set metadata to the client. We need to
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do it here, as in Select_materialize::send_fields the items
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for column types are not yet created (send_fields requires
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a list of items). The new types may differ from the original
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ones sent at prepare if some of them were altered by MySQL
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HEAP tables mechanism -- used when create_tmp_field_from_item
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may alter the original column type.
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We can't simply supply SEND_EOF flag to send_fields, because
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send_fields doesn't flush the network buffer.
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