diff --git a/manifest b/manifest
index 7e98684089..a887bb1985 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Merge\sfixes\sand\senhancements\sfrom\strunk.
-D 2018-09-01T15:49:13.832
+C Merge\sfixes\sfrom\sthe\salter-table-rename-column\sbranch\sthat\soccurred\safter\nthis\sbranch\sseparated\sfrom\sthat\sone.
+D 2018-09-01T15:55:44.527
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F Makefile.in 6b650013511fd9d8b094203ac268af9220d292cc7d4e1bc9fbca15aacd8c7995
@@ -434,7 +434,7 @@ F spec.template 86a4a43b99ebb3e75e6b9a735d5fd293a24e90ca
 F sqlite.pc.in 42b7bf0d02e08b9e77734a47798d1a55a9e0716b
 F sqlite3.1 fc7ad8990fc8409983309bb80de8c811a7506786
 F sqlite3.pc.in 48fed132e7cb71ab676105d2a4dc77127d8c1f3a
-F src/alter.c 6fa0efb035dd6c1633c9b54425bbf65f89a402d131beffb93979686b21b7ec4e
+F src/alter.c 245152daa14007b02ecbab086b73fc0a9e372b9aad24b4178b6e5b2f802554c5
 F src/analyze.c 3dc6b98cf007b005af89df165c966baaa48e8124f38c87b4d2b276fe7f0b9eb9
 F src/attach.c 4bd5b92633671d3e8ce431153ebb1893b50335818423b5373f3f27969f79769a
 F src/auth.c 32a5bbe3b755169ab6c66311c5225a3cd4f75a46c041f7fb117e0cbb68055114
@@ -601,7 +601,7 @@ F test/alter.test 31b4e9128887457f1a7bdfea4764513204e88f09e33e89bc32b84fdd3d2122
 F test/alter2.test 7ea05c7d92ac99349a802ef7ada17294dd647060
 F test/alter3.test 4d79934d812eaeacc6f22781a080f8cfe012fdc3
 F test/alter4.test b6d7b86860111864f6cddb54af313f5862dda23b
-F test/altercol.test b89cd928c1e7513e569a18021f59754b164978860f5069bbebff703e4c7d2c50
+F test/altercol.test 42250da2cba6d94fdf21a4c39d79c733911d18a7c1453216ef0f48c6c118966d
 F test/altermalloc.test e81ac9657ed25c6c5bb09bebfa5a047cd8e4acfc
 F test/altermalloc2.test 0231398534c494401a70a1d06a63d7849cb5b317fcc14228cbdb53039eba7eae
 F test/altertab.test 8c9631e9daca782905207c3c728c89181320d5ff8bfe1dc10cced233446a017f
@@ -635,7 +635,7 @@ F test/attach2.test 256bd240da1835fb8408dd59fb7ef71f8358c7a756c46662434d11d07ba3
 F test/attach3.test c59d92791070c59272e00183b7353eeb94915976
 F test/attach4.test 53bf502f17647c6d6c5add46dda6bac8b6f4665c
 F test/attachmalloc.test 3a4bfca9545bfe906a8d2e622de10fbac5b711b0
-F test/auth.test 3d6cd8f3978ba55b1202574e6ecd79c6e00914ca44b9bfd6c1fe6fb873fcac88
+F test/auth.test 4dd570df24d175f6c3a8988358e9ce884d86434edf8af0b396af97c97147ac57
 F test/auth2.test 9eb7fce9f34bf1f50d3f366fb3e606be5a2000a1
 F test/auth3.test db21405b95257c24d29273b6b31d0efc59e1d337e3d5804ba2d1fd4897b1ae49
 F test/autoanalyze1.test b9cc3f32a990fa56669b668d237c6d53e983554ae80c0604992e18869a0b2dec
@@ -1762,7 +1762,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P eac2aa7dce577f1998cc2078dd8ac384070f8acf1ceb565999a5cf719092024e c1aca7673ab04740bc8ad76af0a72a229c79a0cd51cf84d1c689a77424ff17c6
-R 34f28ccab2f7f9a4a506a2d90442b60b
+P 589186c083ff3af8d5a6d5ad34e1cefea57806ebf3831ea3bf5a48ef1e173140 62089c6daf9ea51be769c077c23d6fa881ba797255fa22d71baaac191a9c1ba7
+R 1d86d7939ae5916c3a0cbf5cee6b780f
 U drh
-Z 50f92f34e3d19f5b5187cc33c2a11ab3
+Z 720f2ed02ab0eac24853dcd860bc927c
diff --git a/manifest.uuid b/manifest.uuid
index 527fc6fe19..1fa397a6f4 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-589186c083ff3af8d5a6d5ad34e1cefea57806ebf3831ea3bf5a48ef1e173140
\ No newline at end of file
+22e785aa2bbce4ae0852bc3d127d4b12222a192eb6e3ee874bf8e5c8582d05f3
\ No newline at end of file
diff --git a/src/alter.c b/src/alter.c
index 666c3caf46..5da5b2add9 100644
--- a/src/alter.c
+++ b/src/alter.c
@@ -646,6 +646,13 @@ void sqlite3AlterRenameColumn(
   assert( iSchema>=0 );
   zDb = db->aDb[iSchema].zDbSName;
 
+#ifndef SQLITE_OMIT_AUTHORIZATION
+  /* Invoke the authorization callback. */
+  if( sqlite3AuthCheck(pParse, SQLITE_ALTER_TABLE, zDb, pTab->zName, 0) ){
+    goto exit_rename_column;
+  }
+#endif
+
   /* Make sure the old name really is a column name in the table to be
   ** altered.  Set iCol to be the index of the column being renamed */
   zOld = sqlite3NameFromToken(db, pOld);
diff --git a/test/altercol.test b/test/altercol.test
index 967da67187..2acd28894b 100644
--- a/test/altercol.test
+++ b/test/altercol.test
@@ -246,6 +246,8 @@ do_execsql_test 6.3 {
 #-------------------------------------------------------------------------
 # Triggers.
 #
+db close
+db2 close
 reset_db
 do_execsql_test 7.0 {
   CREATE TABLE c(x);
diff --git a/test/auth.test b/test/auth.test
index 2487e568b2..219ac78048 100644
--- a/test/auth.test
+++ b/test/auth.test
@@ -2133,6 +2133,75 @@ ifcapable {cte} {
   } {1 {not authorized}}
 } ;# ifcapable cte
 
+#
+# db eval {SELECT sql FROM temp.sqlite_master} {puts "TEMP: $sql;"}
+# db eval {SELECT sql FROM main.sqlite_master} {puts "MAIN: $sql;"}
+#
+#    MAIN: CREATE TABLE "t2"(a,b,c);
+#    MAIN: CREATE TABLE t4(a,b,c);
+#    MAIN: CREATE INDEX t4i1 ON t4(a);
+#    MAIN: CREATE INDEX t4i2 ON t4(b,a,c);
+#    MAIN: CREATE TABLE sqlite_stat1(tbl,idx,stat);
+#    MAIN: CREATE TABLE t1(a,b);
+#
+ifcapable altertable {
+  do_test 1.350 {
+    proc auth {code arg1 arg2 arg3 arg4 args} {
+      if {$code=="SQLITE_ALTER_TABLE"} {
+        set ::authargs [list $arg1 $arg2 $arg3 $arg4]
+        return SQLITE_OK
+      }
+      return SQLITE_OK
+    }
+    catchsql {
+      ALTER TABLE t1 RENAME COLUMN b TO bcdefg;
+    }
+  } {0 {}}
+  do_execsql_test auth-1.351 {
+    SELECT name FROM pragma_table_info('t1') ORDER BY cid;
+  } {a bcdefg}
+  do_test auth-1.352 {
+    set authargs
+  } {main t1 {} {}}
+  do_test 1.353 {
+    proc auth {code arg1 arg2 arg3 arg4 args} {
+      if {$code=="SQLITE_ALTER_TABLE"} {
+        set ::authargs [list $arg1 $arg2 $arg3 $arg4]
+        return SQLITE_IGNORE
+      }
+      return SQLITE_OK
+    }
+    catchsql {
+      ALTER TABLE t1 RENAME COLUMN bcdefg TO b;
+    }
+  } {0 {}}
+  do_execsql_test auth-1.354 {
+    SELECT name FROM pragma_table_info('t1') ORDER BY cid;
+  } {a bcdefg}
+  do_test auth-1.355 {
+    set authargs
+  } {main t1 {} {}}
+  do_test 1.356 {
+    proc auth {code arg1 arg2 arg3 arg4 args} {
+      if {$code=="SQLITE_ALTER_TABLE"} {
+        set ::authargs [list $arg1 $arg2 $arg3 $arg4]
+        return SQLITE_DENY
+      }
+      return SQLITE_OK
+    }
+    catchsql {
+      ALTER TABLE t1 RENAME COLUMN bcdefg TO b;
+    }
+  } {1 {not authorized}}
+  do_execsql_test auth-1.356 {
+    SELECT name FROM pragma_table_info('t1') ORDER BY cid;
+  } {a bcdefg}
+  do_test auth-1.357 {
+    set authargs
+  } {main t1 {} {}}
+}
+
+
 do_test auth-2.1 {
   proc auth {code arg1 arg2 arg3 arg4 args} {
     if {$code=="SQLITE_READ" && $arg1=="t3" && $arg2=="x"} {