Improvements to WHERE-clause debug tracing.  Show TK_MATCH expressions and
show more details on WhereTerm traces.

FossilOrigin-Name: 71087c12bc75a82f5d1051600a442ef6efc5e899
diff --git a/src/treeview.c b/src/treeview.c
index 907159c..27996d4 100644
--- a/src/treeview.c
+++ b/src/treeview.c
@@ -445,6 +445,12 @@
       break;
     }
 #endif
+    case TK_MATCH: {
+      sqlite3TreeViewLine(pView, "MATCH {%d:%d}%s",
+                          pExpr->iTable, pExpr->iColumn, zFlgs);
+      sqlite3TreeViewExpr(pView, pExpr->pRight, 0);
+      break;
+    }
     default: {
       sqlite3TreeViewLine(pView, "op=%d", pExpr->op);
       break;