doc: PG 16 relnotes, merge and move vector items

Reported-by: John Naylor
Discussion: https://postgr.es/m/CAFBsxsEPg8L2MmGqavc8JByC=WF_Mnkhn-KKnFPkcqh0hydung@mail.gmail.com

diff --git a/doc/src/sgml/release-16.sgml b/doc/src/sgml/release-16.sgml
index c30c5300658c493fe68d0032b029ee8b152d811c..bb92fe5cf913bbef774a0dfad8d96886d4bb5f1c 100644 (file)
--- a/doc/src/sgml/release-16.sgml
+++ b/doc/src/sgml/release-16.sgml
@@ -472,6 +472,28 @@ Author: David Rowley 
 
 Improve the speed of updating the process title (David Rowley)
 
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+Allow xid/subxid searches and ASCII string detection to use vector operations (Nathan Bossart)
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+ASCII detection is particularly useful for COPY FROM.  Vector operations are also used for some C array searches.
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@@ -1781,6 +1803,17 @@ The IS JSON checks include checks for values, arrays, objects, scalars, and uniq
 
 
 
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+Allow JSON string parsing to use vector operations (John Naylor)
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-Allow ASCII string detection to use vector operations (John Naylor)
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-Allow JSON string parsing to use vector operations (John Naylor)
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-ARM?
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-Allow array searches to use vector operations (John Naylor)
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-Allow xid/subxid searches to use vector operations (Nathan Bossart)
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