Performance improvements when reading large blobs, especially if

SQLITE_DIRECT_OVERFLOW_READ is defined. FossilOrigin-Name: 2312eb6a9eb31051db4e0baf19e033ba39adc7b1
2014-04-04 18:49:19 +00:00
parent 853546d047 a38c9516e8
commit 48e080b26c
8 changed files with 139 additions and 124 deletions
@@ -1301,11 +1301,13 @@ do_test func-29.3 {
  db eval {SELECT typeof(+x) FROM t29 ORDER BY id}
 } {integer null real blob text}
 if {[permutation] != "mmap"} {
-  do_test func-29.4 {
-    set x [lindex [sqlite3_db_status db CACHE_MISS 1] 1]
-    if {$x>100} {set x many}
-    set x
-  } {many}
+  ifcapable !direct_read {
+    do_test func-29.4 {
+      set x [lindex [sqlite3_db_status db CACHE_MISS 1] 1]
+      if {$x>100} {set x many}
+      set x
+    } {many}
+  }
 }
 do_test func-29.5 {
  db close