Add support for Bloom-filters as a performance optimization for joins.

FossilOrigin-Name: 633bfeeea2bccdd44126acf3f61ecca163c9d933bdc787a2c18a697dc9406882

diff --cc manifest
index 1e8f3951830dc3df941a0b169262ec4806e5bee6,d3b97208252f0c1fd50ae83c468f418f928b4495..765acd7045deeb6d4aa478c6d283f22ef5a17003
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Add\s".mode\soff"\sand\s".mode\scount"\sto\sthe\sCLI.
- D 2021-12-09T16:26:45.642
 -C Remove\sunused\scode\sand\sfix\scomments.\s\sFinal\scleanup\sbefore\smerging.
 -D 2021-12-09T19:42:52.951
++C Add\ssupport\sfor\sBloom-filters\sas\sa\sperformance\soptimization\sfor\sjoins.
++D 2021-12-09T20:06:18.928
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -1934,8 -1934,7 +1934,8 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P 7046877006259a0073cca4ddb4541321d373c462eac9924be26b5ae224075732
- Q +b11f4d080aa9e6f694e2ec401e871f42bf25997e8e8bf77fa9b6014a50466e3c
- R c56a6044af5ef1581ccf8dda1f9e99a9
 -P d342ab722de1fc3f34219c9755253db9d88eb50a6fa5cc257207008b00e7fc03
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++R c6e1a17bdb20d0994b97369ef3d14311
++T +closed ce42039f5647b1f276acf5d9911528ecb47df1544a587def72c8cd6b2f664289
  U drh
- Z 806d5f1c1ccd0354c71d5e148acabb04
 -Z ccda542cb10f0dae6599ca15d7e6a94e
++Z 2960f76524291316688b632931fc780c

diff --cc manifest.uuid
index a61c9e96accc874d2501e1d7d270be0d21f7f452,96b8bdf103b76b5f3f4f08e9770dc8716ca1006d..bbb228f8b87b04861aa8a1ed6651ea2b4d10be03
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 1eefd957ff35e961685db565f7ef116c566a04574c5bedad7298b3cc69dd72d2
 -ce42039f5647b1f276acf5d9911528ecb47df1544a587def72c8cd6b2f664289
++633bfeeea2bccdd44126acf3f61ecca163c9d933bdc787a2c18a697dc9406882