From: drh <>
Date: Sat, 3 Dec 2022 19:04:09 +0000 (+0000)
Subject: Increase the nominal row size for IPK index lookups slightly, for better
X-Git-Tag: version-3.41.0~312^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1d8f4e6ce8c86ac83b4331362ba2e8c2e2014164;p=thirdparty%2Fsqlite.git

Increase the nominal row size for IPK index lookups slightly, for better
balance.

FossilOrigin-Name: 1a61c500add4a2bfe80c0c691d559cfca166dc5f8262651a58da7ec16a51d430
---

diff --git a/manifest b/manifest
index 6d338b47c4..5751a22ada 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Add\sTOTAL\srows\sto\sthe\soutput\sgenerated\sby\stool/vdbe_profile.tcl.
-D 2022-12-03T18:21:30.267
+C Increase\sthe\snominal\srow\ssize\sfor\sIPK\sindex\slookups\sslightly,\sfor\sbetter\nbalance.
+D 2022-12-03T19:04:09.723
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -732,7 +732,7 @@ F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
 F src/wal.c b9df133a705093da8977da5eb202eaadb844839f1c7297c08d33471f5491843d
 F src/wal.h c3aa7825bfa2fe0d85bef2db94655f99870a285778baa36307c0a16da32b226a
 F src/walker.c f890a3298418d7cba3b69b8803594fdc484ea241206a8dfa99db6dd36f8cbb3b
-F src/where.c 32875f4f738b1b32f648e8fd52df23a5ba28744a2b4209b262cac09efc2a8569
+F src/where.c cf893bd9e48cc4f761beb490e2016cfec7791b0778808a84f2d3d6340085f0d5
 F src/whereInt.h e25203e5bfee149f5f1225ae0166cfb4f1e65490c998a024249e98bb0647377c
 F src/wherecode.c ee52c2781c36004d23c85bf111063b78fc16e5e1b6a0d424326af8bf90babb0b
 F src/whereexpr.c 05295b44b54eea76d1ba766f0908928d0e20e990c249344c9521454d3d09c7ae
@@ -2065,8 +2065,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P e20de6d450c2b4d5bde737f625de16ff53262c22ce7aa6917b64f1665170d33f
-R aefabaf5ca745982d6ec40be787f17b5
+P 9800586393c9d3b82459ef657620d245a7985ef5fa389b8a9ea633d6a29c7299
+R bdb8fcd5ad681651f9b1330561cafc6c
 U drh
-Z 6a37ae50ecfc47b777551be2941b67ad
+Z f5c8d079aea1d9c7b44238c2c41ad282
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index 207858a35b..f3e63033d3 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-9800586393c9d3b82459ef657620d245a7985ef5fa389b8a9ea633d6a29c7299
\ No newline at end of file
+1a61c500add4a2bfe80c0c691d559cfca166dc5f8262651a58da7ec16a51d430
\ No newline at end of file
diff --git a/src/where.c b/src/where.c
index a9bb092ef2..34a6f348d9 100644
--- a/src/where.c
+++ b/src/where.c
@@ -3472,7 +3472,7 @@ static int whereLoopAddBtree(
     sPk.aiRowLogEst = aiRowEstPk;
     sPk.onError = OE_Replace;
     sPk.pTable = pTab;
-    sPk.szIdxRow = 1;  /* Interior rows of IPK table are very small */
+    sPk.szIdxRow = 3;  /* TUNING: Interior rows of IPK table are very small */
     sPk.idxType = SQLITE_IDXTYPE_IPK;
     aiRowEstPk[0] = pTab->nRowLogEst;
     aiRowEstPk[1] = 0;