Add //third_party/sqlite to dirs_to_snapshot, remove net_sql.patch

third_party/sqlite/sqlite-src-3080704/test/numcast.test

+# 2013 March 20
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library. 
+# This particular file does testing of casting strings into numeric
+# values.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+foreach enc {utf8 utf16le utf16be} {
+  do_test numcast-$enc.0 {
+    db close
+    sqlite3 db :memory:
+    db eval "PRAGMA encoding='$enc'"
+    set x [db eval {PRAGMA encoding}]
+    string map {- {}} [string tolower $x]
+  } $enc
+  foreach {idx str rval ival} {
+     1 12345.0       12345.0    12345
+     2 12345.0e0     12345.0    12345
+     3 -12345.0e0   -12345.0   -12345
+     4 -12345.25    -12345.25  -12345
+     5 { -12345.0}  -12345.0   -12345
+     6 { 876xyz}       876.0      876
+     7 { 456ķ89}       456.0      456
+     8 { Ġ 321.5}        0.0        0
+  } {
+    do_test numcast-$enc.$idx.1 {
+      db eval {SELECT CAST($str AS real)}
+    } $rval
+    do_test numcast-$enc.$idx.2 {
+      db eval {SELECT CAST($str AS integer)}
+    } $ival
+  }
+}
+
+finish_test