Initial implementation of the "sqlite_dbpage" virtual table. Currently

it is read-only and has a place-holder xBestIndex.

FossilOrigin-Name: c2c1d656e3f52465192c2a697a976cd1837ccc4e10708a2377cff8bf6eaa7d49

main.mk

@@ -55,7 +55,8 @@ THREADLIB += $(LIBS)
 LIBOBJ+= vdbe.o parse.o \
          alter.o analyze.o attach.o auth.o \
          backup.o bitvec.o btmutex.o btree.o build.o \
-         callback.o complete.o ctime.o date.o dbstat.o delete.o expr.o \
+         callback.o complete.o ctime.o \
+         date.o dbpage.o dbstat.o delete.o expr.o \
 	 fault.o fkey.o \
          fts3.o fts3_aux.o fts3_expr.o fts3_hash.o fts3_icu.o fts3_porter.o \
          fts3_snippet.o fts3_tokenizer.o fts3_tokenizer1.o \
@@ -96,6 +97,7 @@ SRC = \
   $(TOP)/src/complete.c \
   $(TOP)/src/ctime.c \
   $(TOP)/src/date.c \
+  $(TOP)/src/dbpage.c \
   $(TOP)/src/dbstat.c \
   $(TOP)/src/delete.c \
   $(TOP)/src/expr.c \
@@ -359,6 +361,7 @@ TESTSRC2 = \
   $(TOP)/src/btree.c \
   $(TOP)/src/build.c \
   $(TOP)/src/date.c \
+  $(TOP)/src/dbpage.c \
   $(TOP)/src/dbstat.c \
   $(TOP)/src/expr.c \
   $(TOP)/src/func.c \