Improved name quoting and escaping in the auxiliary column info section

of the ".schema" output for views and virtual tables.

FossilOrigin-Name: d64b14e37d9624bf5d86059ddd091170d8e6d341a8043f84548b9b3dbb96a908

manifest

@@ -1,5 +1,5 @@
-C In\sthe\soutput\sof\s".schema",\sshow\sthe\scolumn\snames\sof\svirtual\stables\sand\nviews\sin\sa\sseparate\scomment.
-D 2018-01-01T21:28:25.565
+C Improved\sname\squoting\sand\sescaping\sin\sthe\sauxiliary\scolumn\sinfo\ssection\nof\sthe\s".schema"\soutput\sfor\sviews\sand\svirtual\stables.
+D 2018-01-01T21:49:43.315
 F Makefile.in 1b11037c5ed3399a79433cc82c59b5e36a7b3a3e4e195bb27640d0d2145e03e1
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc f68b4f9b83cfeb057b6265e0288ad653f319e2ceacca731e0f22e19617829a89
@@ -479,7 +479,7 @@ F src/random.c 80f5d666f23feb3e6665a6ce04c7197212a88384
 F src/resolve.c bbee7e31d369a18a2f4836644769882e9c5d40ef4a3af911db06410b65cb3730
 F src/rowset.c 7b7e7e479212e65b723bf40128c7b36dc5afdfac
 F src/select.c 8b22abe193e4d8243befa2038e4ae2405802fed1c446e5e502d11f652e09ba74
-F src/shell.c.in f151a1181ed4da01c48ecbbeeb4e102d298dd239102c252f92cc331c85a1436b
+F src/shell.c.in e0d3ef676265771a001446906765dd89617df2cece3249b08b1dcd24ba296f63
 F src/sqlite.h.in b4dc75265ed04b98e2184011a7dd0054ce2137ff84867a6be8b4f3bdfbc03d30
 F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
 F src/sqlite3ext.h c02d628cca67f3889c689d82d25c3eb45e2c155db08e4c6089b5840d64687d34
@@ -1213,7 +1213,7 @@ F test/sharedA.test 0cdf1a76dfa00e6beee66af5b534b1e8df2720f5
 F test/sharedB.test 16cc7178e20965d75278f410943109b77b2e645e
 F test/shared_err.test 32634e404a3317eeb94abc7a099c556a346fdb8fb3858dbe222a4cbb8926a939
 F test/sharedlock.test 5ede3c37439067c43b0198f580fd374ebf15d304
-F test/shell1.test 3f23fe267fc591dc6a004a163b719a7a6509e4b46915bab8781e32e854c0a0a4
+F test/shell1.test 6d69e08039aea13f2c42749f162fe05eab7b5c93729f31d49d7d27cf36226e5a
 F test/shell2.test e242a9912f44f4c23c3d1d802a83e934e84c853b
 F test/shell3.test 9b95ba643eaa228376f06a898fb410ee9b6e57c1
 F test/shell4.test 89ad573879a745974ff2df20ff97c5d6ffffbd5d
@@ -1688,7 +1688,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P add45c47288248ca3745e0fceb5e0d9062a852d173d93ff2ff1a0f8fdf3237dc
-R dcc0e8850f6f2345f6beb728eed33eca
+P 2234a87fa905312b23f46d52e06cff7cacbf23b187e16c4398a42e6bdae0ee9f
+R ca3aef501320cce9e28be13c23be1622
 U drh
-Z b932e40f742685fed6e88a07d4738316
+Z 2aaca99c49ba21a51639392b75414605

manifest.uuid

@@ -1 +1 @@
-2234a87fa905312b23f46d52e06cff7cacbf23b187e16c4398a42e6bdae0ee9f
+d64b14e37d9624bf5d86059ddd091170d8e6d341a8043f84548b9b3dbb96a908

src/shell.c.in

@@ -741,19 +741,34 @@ static char *shellFakeCrTab(
 ){
   sqlite3_stmt *pStmt = 0;
   char *zSql;
-  char *z = 0;
+  ShellText s;
+  char cQuote;
+  char *zDiv = "(";
 
-  zSql = sqlite3_mprintf("SELECT group_concat(name,',')"
-                         " FROM pragma_table_info(%Q,%Q);",
-                         zName, zSchema);
+  zSql = sqlite3_mprintf("PRAGMA \"%w\".table_info=%Q;",
+                         zSchema ? zSchema : "main", zName);
   sqlite3_prepare_v2(db, zSql, -1, &pStmt, 0);
   sqlite3_free(zSql);
-  if( sqlite3_step(pStmt)==SQLITE_ROW ){
-    z = sqlite3_mprintf("/* %s.%s(%s) */",
-           zSchema ? zSchema : "main", zName, sqlite3_column_text(pStmt, 0));
+  initText(&s);
+  if( zSchema ){
+    cQuote = quoteChar(zSchema);
+    if( cQuote && sqlite3_stricmp(zSchema,"temp")==0 ) cQuote = 0;
+    appendText(&s, zSchema, cQuote);
+    appendText(&s, ".", 0);
   }
+  cQuote = quoteChar(zName);
+  appendText(&s, zName, cQuote);
+  while( sqlite3_step(pStmt)==SQLITE_ROW ){
+    const char *zCol = (const char*)sqlite3_column_text(pStmt, 1);
+    appendText(&s, zDiv, 0);
+    zDiv = ",";
+    cQuote = quoteChar(zCol);
+    appendText(&s, zCol, cQuote);
+  }
+  appendText(&s, ")", 0);
+
   sqlite3_finalize(pStmt);
-  return z;
+  return s.z;
 }
 
 /*
@@ -808,7 +823,8 @@ static void shellAddSchemaName(
         if( aPrefix[i][0]=='V' ){
           const char *zName = (const char*)sqlite3_value_text(apVal[2]);
           if( z==0 ) z = sqlite3_mprintf("%s", zIn);
-          z = sqlite3_mprintf("%z\n%z", z,  shellFakeCrTab(db, zSchema, zName));
+          z = sqlite3_mprintf("%z\n/* %z */", z,
+                              shellFakeCrTab(db, zSchema, zName));
         }
         if( z ){
           sqlite3_result_text(pCtx, z, -1, sqlite3_free);

test/shell1.test

@@ -582,9 +582,9 @@ do_test shell1-3.21.4 {
   catchcmd "test.db" ".schema"
 } {0 {CREATE TABLE t1(x);
 CREATE VIEW v2 AS SELECT x+1 AS y FROM t1
-/* main.v2(y) */;
+/* v2(y) */;
 CREATE VIEW v1 AS SELECT y+1 FROM v2
-/* main.v1(y+1) */;}}
+/* v1("y+1") */;}}
 db eval {DROP VIEW v1; DROP VIEW v2; DROP TABLE t1;}
 }