Add the --nosys option to the .schema command in the CLI.

FossilOrigin-Name: b72ee694532c0c5d2285dd580154546eb592fd6892cad9ad7a49e98737adb974

manifest

@@ -1,5 +1,5 @@
-C Fix\sUPDATE\sFROM\sstatements\son\svirtual\stables\sthat\sare\sdeclared\sWITHOUT\sROWID.
-D 2020-10-12T14:29:11.485
+C Add\sthe\s--nosys\soption\sto\sthe\s.schema\scommand\sin\sthe\sCLI.
+D 2020-10-12T14:56:47.095
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -538,7 +538,7 @@ F src/random.c 80f5d666f23feb3e6665a6ce04c7197212a88384
 F src/resolve.c 97b91fb25d86881ff20c9ad2ad98412c6c1bb5f7d6c9bb044db250cbc9cfcd4b
 F src/rowset.c ba9515a922af32abe1f7d39406b9d35730ed65efab9443dc5702693b60854c92
 F src/select.c 0d9ce195bf062f45390c9f9fa0ab7402e26b57bee51b9f67b3034c32f9fc425a
-F src/shell.c.in 4e6ea7bf44ace40faf2b4214b7cb336fd15d22d2f7d04b70b5aa10a7716f7be7
+F src/shell.c.in ff8b8a597714839c5453eab5042b9ba9aed574677e1474857940b3a060bd189b
 F src/sqlite.h.in cb9f0862e8d0f8691de95b18439ab60666f868c83bc65e3a17f0a0b44cc8f8a9
 F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
 F src/sqlite3ext.h 2d1af80082edffd71c6f96f70ad1ce6a4fb46615ad10291fc77fe0dea9ff0197
@@ -1346,7 +1346,7 @@ F test/sharedA.test 49d87ec54ab640fbbc3786ee3c01de94aaa482a3a9f834ad3fe92770eb69
 F test/sharedB.test 16cc7178e20965d75278f410943109b77b2e645e
 F test/shared_err.test 32634e404a3317eeb94abc7a099c556a346fdb8fb3858dbe222a4cbb8926a939
 F test/sharedlock.test 5ede3c37439067c43b0198f580fd374ebf15d304
-F test/shell1.test 1305efc92f132a1fcf97c00ac02b1b192865b4d33d44cab499e0bdcff71ce045
+F test/shell1.test 161353b1d52cfdc7772ebf03f34cc11384f7d8621ae3013394adcddc5357bace
 F test/shell2.test e242a9912f44f4c23c3d1d802a83e934e84c853b
 F test/shell3.test ac8c2b744014c3e9a0e26bfd829ab65f00923dc1a91ffd044863e9423cc91494
 F test/shell4.test 1c6aef11daaa2d6830acaba3ac9cbec93fbc1c3d5530743a637f39b3987d08ce
@@ -1882,7 +1882,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 2fa08c3963f008d4723c3f4f4496abcb6d4b575c85ba4a911a6aed5730b5948b
-R 4adac9b4db7e03c92d090aed7f955e15
-U dan
-Z 19d12d0c4b93853846f6dfc4a111d566
+P bcb0bc6a7b7006f07adb7266b1fecca39bf85a0adea6d78a341623a3546f2c2a
+R f850d599307a07b99b6a57ce2a03a960
+U drh
+Z 491bb289f372fef2a84fd27131c88833

manifest.uuid

@@ -1 +1 @@
-bcb0bc6a7b7006f07adb7266b1fecca39bf85a0adea6d78a341623a3546f2c2a
+b72ee694532c0c5d2285dd580154546eb592fd6892cad9ad7a49e98737adb974

src/shell.c.in

@@ -4015,8 +4015,9 @@ static const char *(azHelp[]) = {
   ".save FILE               Write in-memory database into FILE",
   ".scanstats on|off        Turn sqlite3_stmt_scanstatus() metrics on or off",
   ".schema ?PATTERN?        Show the CREATE statements matching PATTERN",
-  "     Options:",
-  "         --indent            Try to pretty-print the schema",
+  "   Options:",
+  "      --indent             Try to pretty-print the schema",
+  "      --nosys              Omit objects whose names start with \"sqlite_\"",
   ".selftest ?OPTIONS?      Run tests defined in the SELFTEST table",
   "    Options:",
   "       --init               Create a new SELFTEST table",
@@ -9088,6 +9089,7 @@ static int do_meta_command(char *zLine, ShellState *p){
     const char *zName = 0;
     int iSchema = 0;
     int bDebug = 0;
+    int bNoSystemTabs = 0;
     int ii;
 
     open_db(p, 0);
@@ -9100,10 +9102,16 @@ static int do_meta_command(char *zLine, ShellState *p){
         data.cMode = data.mode = MODE_Pretty;
       }else if( optionMatch(azArg[ii],"debug") ){
         bDebug = 1;
+      }else if( optionMatch(azArg[ii],"nosys") ){
+        bNoSystemTabs = 1;
+      }else if( azArg[ii][0]=='-' ){
+        utf8_printf(stderr, "Unknown option: \"%s\"\n", azArg[ii]);
+        rc = 1;
+        goto meta_command_exit;
       }else if( zName==0 ){
         zName = azArg[ii];
       }else{
-        raw_printf(stderr, "Usage: .schema ?--indent? ?LIKE-PATTERN?\n");
+        raw_printf(stderr, "Usage: .schema ?--indent? ?--nosys? ?LIKE-PATTERN?\n");
         rc = 1;
         goto meta_command_exit;
       }
@@ -9189,7 +9197,10 @@ static int do_meta_command(char *zLine, ShellState *p){
         appendText(&sSelect, " AND ", 0);
         sqlite3_free(zQarg);
       }
-      appendText(&sSelect, "type!='meta' AND sql IS NOT NULL"
+      if( bNoSystemTabs ){
+        appendText(&sSelect, "name NOT LIKE 'sqlite_%%' AND ", 0);
+      }
+      appendText(&sSelect, "sql IS NOT NULL"
                            " ORDER BY snum, rowid", 0);
       if( bDebug ){
         utf8_printf(p->out, "SQL: %s;\n", sSelect.z);

test/shell1.test

@@ -583,7 +583,7 @@ do_test shell1-3.21.2 {
 do_test shell1-3.21.3 {
   # too many arguments
   catchcmd "test.db" ".schema FOO BAD"
-} {1 {Usage: .schema ?--indent? ?LIKE-PATTERN?}}
+} {1 {Usage: .schema ?--indent? ?--nosys? ?LIKE-PATTERN?}}
 
 do_test shell1-3.21.4 {
   catchcmd "test.db" {