Improvements to the ".eqp trace" command in the CLI so that it ensures that

the schema has been read prior to activing the tracing feature, to avoid
cluttering the output with a trace of the schema parse.

FossilOrigin-Name: 42687d45aa1a2b2a32ddfc5711b4ae9cf76b8cfbeb20b57d6705ecaf5824fcb6

manifest

@@ -1,5 +1,5 @@
-C New\stest\scases\sform\sdbsqlfuzz
-D 2019-01-27T02:45:32.191
+C Improvements\sto\sthe\s".eqp\strace"\scommand\sin\sthe\sCLI\sso\sthat\sit\sensures\sthat\nthe\sschema\shas\sbeen\sread\sprior\sto\sactiving\sthe\stracing\sfeature,\sto\savoid\ncluttering\sthe\soutput\swith\sa\strace\sof\sthe\sschema\sparse.
+D 2019-01-27T19:50:56.340
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F Makefile.in 9947eae873c07ae894d4c8633b76c0a0daca7b9fd54401096a77d1a6c7b74359
@@ -515,7 +515,7 @@ F src/random.c 80f5d666f23feb3e6665a6ce04c7197212a88384
 F src/resolve.c c8f207247472c41ac73d738e1c1a80719ad253d1dbb617ed57740492b2a6c097
 F src/rowset.c d977b011993aaea002cab3e0bb2ce50cf346000dff94e944d547b989f4b1fe93
 F src/select.c 8e22fda41a737c391e8b797f7c71e7ded1d107c31181b07bb10b3d4f22a28cd9
-F src/shell.c.in 324bc8df6e0ddc1c17771927f3bc9616340175e78cbb15f6cdfd10cade01cdbf
+F src/shell.c.in 705a00be4fa43303b6b18df2241f5397cefd8d9f076bb035ad01b42635c7a1de
 F src/sqlite.h.in 8ded85ecaa768afd196b24201382ccdf00e5bab6861e30549cd750bebd273a0b
 F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
 F src/sqlite3ext.h 960f1b86c3610fa23cb6a267572a97dcf286e77aa0dd3b9b23292ffaa1ea8683
@@ -1804,7 +1804,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 0ea05a0eb96acb860d8af2e788e29a5ae3b161e7892ab62f1ff2f3e722c0dcb6
-R eaaae6d4983b2f4cb951fc0379b461d7
+P 9cf8ebd141aa2eb661d457624c76433bd9e4abfdef04aa52e28bc169172c2c8f
+R 3e3c6032378ec0b1bc4989b8470ba10d
 U drh
-Z facc76abd2629540783d8839a1ab85da
+Z f362f232181a0d8f741744fba7a850da

manifest.uuid

@@ -1 +1 @@
-9cf8ebd141aa2eb661d457624c76433bd9e4abfdef04aa52e28bc169172c2c8f
+42687d45aa1a2b2a32ddfc5711b4ae9cf76b8cfbeb20b57d6705ecaf5824fcb6

src/shell.c.in

@@ -6287,7 +6287,7 @@ static int do_meta_command(char *zLine, ShellState *p){
         p->autoEQP = AUTOEQP_full;
         p->autoEQPtrace = 1;
         open_db(p, 0);
-        (void)sqlite3_table_column_metadata(p->db, "x","x",0,0,0,0,0,0);
+        sqlite3_exec(p->db, "SELECT name FROM sqlite_master LIMIT 1", 0, 0, 0);
         sqlite3_exec(p->db, "PRAGMA vdbe_trace=ON;", 0, 0, 0);
 #endif
       }else{