From 6091fd45f5c8c0a1d81cde6c4b339b8333467324 Mon Sep 17 00:00:00 2001
From: drh <drh@noemail.net>
Date: Mon, 8 Jul 2019 12:44:47 +0000
Subject: [PATCH] Comment improvements.  No changes to code.

FossilOrigin-Name: b0629132bc346f7a9025c0edf52114fc81385cd7a41ff1fa5d353179df276b92
---
 manifest      | 19 ++++++++-----------
 manifest.uuid |  2 +-
 src/alter.c   |  8 ++++++--
 src/resolve.c |  4 +++-
 4 files changed, 18 insertions(+), 15 deletions(-)

diff --git a/manifest b/manifest
index cabbcab55b..a7508bed1b 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Have\sALTER\sTABLE\sdetect\sand\serror\sout\sfor\sthe\scase\swhere\srenaming\sa\scolumn\schanges\sa\sthe\sinterpretation\sof\sa\sdouble-quoted\sidentifier\sin\sthe\sdatabase\sschema\sfrom\san\sSQL\sliteral\sto\sa\scolumn\sreference.
-D 2019-07-02T20:10:02.773
+C Comment\simprovements.\s\sNo\schanges\sto\scode.
+D 2019-07-08T12:44:47.815
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -456,7 +456,7 @@ F spec.template 86a4a43b99ebb3e75e6b9a735d5fd293a24e90ca
 F sqlite.pc.in 42b7bf0d02e08b9e77734a47798d1a55a9e0716b
 F sqlite3.1 fc7ad8990fc8409983309bb80de8c811a7506786
 F sqlite3.pc.in 48fed132e7cb71ab676105d2a4dc77127d8c1f3a
-F src/alter.c bb45a2df945060a3125009d3d5fa7458b8fd9b123eb7128475aa3db3c688e48c
+F src/alter.c 3c5b9bdfdba1ce9090fafa1d643139127a68a5355f73c59865566dfff52cf98a
 F src/analyze.c 58db66344a5c58dcabb57f26696f6f2993956c830446da40b444051d2fdaf644
 F src/attach.c 78e986baee90cb7b83fb9eafa79c22581a8ada14030fd633b0683c95cf11213c
 F src/auth.c 0fac71038875693a937e506bceb492c5f136dd7b1249fbd4ae70b4e8da14f9df
@@ -520,7 +520,7 @@ F src/pragma.h 4a9fabff14db4487a734dfeeb4be984ce662bfdccfae16145b9c732327735e13
 F src/prepare.c 78027c6231fbb19ca186a5f5f0c0a1375d9c2cec0655273f9bd90d9ff74a34b3
 F src/printf.c 9be6945837c839ba57837b4bc3af349eba630920fa5532aa518816defe42a7d4
 F src/random.c 80f5d666f23feb3e6665a6ce04c7197212a88384
-F src/resolve.c 93b7bc7c45efa6322d92293361c51a873690daed50cf77eeff88a448246b0d5a
+F src/resolve.c 24fab1875d5f5fbaff7b4cc783ba2ef14d842e3dffaceb3fc6b7c8cbdf29d4d7
 F src/rowset.c d977b011993aaea002cab3e0bb2ce50cf346000dff94e944d547b989f4b1fe93
 F src/select.c 9187f2c65744e975b191ccee49946732ee922f8bf40da998b322aca1633405ea
 F src/shell.c.in 82f8a473c01662f52233c6c75b9bf88d0d2cab276086d5d4ca6f2ff57a3e48eb
@@ -1831,10 +1831,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P eab4297577e4d325fed4757867fc77860de7448998d86f098c8a50272e17d35e
-R 345332b27d681f48c6f6235823b1591a
-T *branch * tkt9b78184b-alt
-T *sym-tkt9b78184b-alt *
-T -sym-trunk *
-U dan
-Z 4f5c772cb1a84553bf3caf8b00b061e5
+P 5dbb0734aff25e47a58a64abe0e96636cbf8a7a5006df0cfe10af8629af9133c
+R ac9b5ba34302450931e115680b088bd7
+U drh
+Z a67bbe3580af7e6b560d171c92504acc
diff --git a/manifest.uuid b/manifest.uuid
index ae5e68f100..3fbb3e0de2 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-5dbb0734aff25e47a58a64abe0e96636cbf8a7a5006df0cfe10af8629af9133c
\ No newline at end of file
+b0629132bc346f7a9025c0edf52114fc81385cd7a41ff1fa5d353179df276b92
\ No newline at end of file
diff --git a/src/alter.c b/src/alter.c
index c1bdb6e1c9..0c102089ad 100644
--- a/src/alter.c
+++ b/src/alter.c
@@ -1271,7 +1271,9 @@ static void renameParseCleanup(Parse *pParse){
 /*
 ** SQL function:
 **
-**     sqlite_rename_column(zSql, iCol, bQuote, zNew, zTable, zOld)
+**     sqlite_rename_column(...)
+**
+** The function requires exactly 10 arguments:
 **
 **   0. zSql:     SQL statement to rewrite
 **   1. type:     Type of object ("table", "view" etc.)
@@ -1292,7 +1294,9 @@ static void renameParseCleanup(Parse *pParse){
 **
 ** This function is used internally by the ALTER TABLE RENAME COLUMN command.
 ** It is only accessible to SQL created using sqlite3NestedParse().  It is
-** not reachable from ordinary SQL passed into sqlite3_prepare().
+** not reachable from ordinary SQL passed into sqlite3_prepare().  Except,
+** this function is reachable for testing purposes if the
+** SQLITE_TESTCTRL_INTERNAL_FUNCTIONS test-control is engaged.
 */
 static void renameColumnFunc(
   sqlite3_context *context,
diff --git a/src/resolve.c b/src/resolve.c
index 8dac077eed..0a22e74786 100644
--- a/src/resolve.c
+++ b/src/resolve.c
@@ -818,7 +818,9 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){
          && sqlite3Config.bInternalFunctions==0
         ){
           /* Internal-use-only functions are disallowed unless the
-          ** SQL is being compiled using sqlite3NestedParse() */
+          ** SQL is being compiled using sqlite3NestedParse().  The
+          ** SQLITE_TESTCTRL_INTERNAL_FUNCTIONS test-control will override
+          ** this restriction for testing purposes. */
           no_such_func = 1;
           pDef = 0;
         }
-- 
2.47.2