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Authored by Tracy Harton
Commit a359f9b0226de97dd53b1054acba39e1110809c2 1 parent c580570d

Add INDEX for zLastUsed for performance

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@@ -37,6 +37,7 @@ @@ -37,6 +37,7 @@
37 { 37 {
38 // [db executeUpdate:@"DROP TABLE ZCACHE"]; 38 // [db executeUpdate:@"DROP TABLE ZCACHE"];
39 [db executeUpdate:@"CREATE TABLE IF NOT EXISTS ZCACHE (ztileHash INTEGER PRIMARY KEY, zlastUsed DOUBLE, zdata BLOB)"]; 39 [db executeUpdate:@"CREATE TABLE IF NOT EXISTS ZCACHE (ztileHash INTEGER PRIMARY KEY, zlastUsed DOUBLE, zdata BLOB)"];
  40 + [db executeUpdate:@"CREATE INDEX zlastUsedIndex ON ZCACHE(zLastUsed)"];
40 } 41 }
41 42
42 -(id) initWithDatabase: (NSString*)path 43 -(id) initWithDatabase: (NSString*)path