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Fix some grammar and typos in comments and docs
The documentation fixes are backpatched down to where they apply. Author: Justin Pryzby Discussion: https://postgr.es/m/20201031020801.GD3080@telsasoft.com Backpatch-through: 9.6
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@ -560,7 +560,7 @@ verify_heapam_tupdesc(void)
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* Since we do not hold a snapshot, tuple visibility is not a question of
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* whether we should be able to see the tuple relative to any particular
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* snapshot, but rather a question of whether it is safe and reasonable to
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* to check the tuple attributes.
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* check the tuple attributes.
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*
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* Some kinds of corruption make it unsafe to check the tuple attributes, for
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* example when the line pointer refers to a range of bytes outside the page.
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@ -1342,7 +1342,7 @@ fxid_in_cached_range(FullTransactionId fxid, const HeapCheckContext *ctx)
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}
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/*
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* Checks wheter a multitransaction ID is in the cached valid range, returning
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* Checks whether a multitransaction ID is in the cached valid range, returning
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* the nature of the range violation, if any.
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*/
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static XidBoundsViolation
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@ -291,7 +291,7 @@ restart:
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* A stream must be terminated by a normal packet. If the last stream
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* packet in the source stream is a full packet, a normal empty packet
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* must follow. Since the underlying packet reader doesn't know that
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* the compressed stream has been ended, we need to to consume the
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* the compressed stream has been ended, we need to consume the
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* terminating packet here. This read does not harm even if the
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* stream has already ended.
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*/
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