From dc4a1687b8b53a4464bbffaf351e25305b6a525e Mon Sep 17 00:00:00 2001
From: drh <drh@noemail.net>
Date: Tue, 17 Mar 2020 13:07:04 +0000
Subject: [PATCH] Improved bytecode comments for the ANALYZE command.

FossilOrigin-Name: c38ea4139d87535b789f43eb1e38b2dc4b8312352a721035283e67cf0f3d5067
---
 manifest      | 12 ++++++------
 manifest.uuid |  2 +-
 src/analyze.c |  4 +++-
 3 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/manifest b/manifest
index 994c385818..bc5ec92aad 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Merge\schanges\sfrom\strunk.
-D 2020-03-17T12:37:27.533
+C Improved\sbytecode\scomments\sfor\sthe\sANALYZE\scommand.
+D 2020-03-17T13:07:04.943
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -466,7 +466,7 @@ F sqlite.pc.in 42b7bf0d02e08b9e77734a47798d1a55a9e0716b
 F sqlite3.1 fc7ad8990fc8409983309bb80de8c811a7506786
 F sqlite3.pc.in 48fed132e7cb71ab676105d2a4dc77127d8c1f3a
 F src/alter.c f48a4423c8f198d7f1ae4940f74b606707d05384ac79fb219be8e3323af2a2de
-F src/analyze.c cc3401286f1ff97aba5f2d94a2e8f9108beeaa25fa67faee090c38e387db396f
+F src/analyze.c 5f09eb4e93a67653317de64823bda68220d4422efd2a3842baf831d084c9ce13
 F src/attach.c fa5addce233a2bb2dfdefeee3b37000e154c47214d3269cab1bb331416e330db
 F src/auth.c a3d5bfdba83d25abed1013a8c7a5f204e2e29b0c25242a56bc02bb0c07bf1e06
 F src/backup.c 5e617c087f1c2d6005c2ec694ce80d6e16bc68d906e1b1c556d7c7c2228b636b
@@ -1860,7 +1860,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 4945a66237fa3861bc691d5fbef0d40286b596a0902b4f4c032d1d6528bb1a1b 38e3dd389d142e520c71139ec84aa3c7722992af28a5f93a7f16e0ea176b74bb
-R eadca1c0864a77f7553dbd5cd11ef9e9
+P 93d710262eb046e2370660b1096ac634373755f92a2e9b1220df3b2bda5f9eeb
+R daf5019076e9194243fd0d1204db1bb8
 U drh
-Z b90799a92dde3b33fc19c32a21522ba6
+Z 540c7862b6fb73b8ea6fa0b5312caee4
diff --git a/manifest.uuid b/manifest.uuid
index fe5bcb97ea..0fa8b9df71 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-93d710262eb046e2370660b1096ac634373755f92a2e9b1220df3b2bda5f9eeb
\ No newline at end of file
+c38ea4139d87535b789f43eb1e38b2dc4b8312352a721035283e67cf0f3d5067
\ No newline at end of file
diff --git a/src/analyze.c b/src/analyze.c
index 7db62919bd..d74687fec1 100644
--- a/src/analyze.c
+++ b/src/analyze.c
@@ -1148,6 +1148,7 @@ static void analyzeOneTable(
         char *pColl = (char*)sqlite3LocateCollSeq(pParse, pIdx->azColl[i]);
         sqlite3VdbeAddOp2(v, OP_Integer, i, regChng);
         sqlite3VdbeAddOp3(v, OP_Column, iIdxCur, i, regTemp);
+        VdbeComment((v, "%s.column(%d)", pIdx->zName, i));
         aGotoChng[i] = 
         sqlite3VdbeAddOp4(v, OP_Ne, regTemp, 0, regPrev+i, pColl, P4_COLLSEQ);
         sqlite3VdbeChangeP5(v, SQLITE_NULLEQ);
@@ -1168,6 +1169,7 @@ static void analyzeOneTable(
       for(i=0; i<nColTest; i++){
         sqlite3VdbeJumpHere(v, aGotoChng[i]);
         sqlite3VdbeAddOp3(v, OP_Column, iIdxCur, i, regPrev+i);
+        VdbeComment((v, "%s.column(%d)", pIdx->zName, i));
       }
       sqlite3VdbeResolveLabel(v, endDistinctTest);
       sqlite3DbFree(db, aGotoChng);
@@ -1193,7 +1195,7 @@ static void analyzeOneTable(
           k = sqlite3TableColumnToIndex(pIdx, pPk->aiColumn[j]);
           assert( k>=0 && k<pIdx->nColumn );
           sqlite3VdbeAddOp3(v, OP_Column, iIdxCur, k, regKey+j);
-          VdbeComment((v, "%s", pTab->aCol[pPk->aiColumn[j]].zName));
+          VdbeComment((v, "%s.column(%d)", pIdx->zName, i));
         }
         sqlite3VdbeAddOp3(v, OP_MakeRecord, regKey, pPk->nKeyCol, regRowid);
         sqlite3ReleaseTempRange(pParse, regKey, pPk->nKeyCol);
-- 
2.47.2