Reduce memory size of some constants.

sqlite.go

@@ -59,7 +59,7 @@ func (e *ConnError) Error() string { // FIXME code.Error() & e.msg are often red
 }
 
 // Result codes
-type Errno int
+type Errno int32
 
 func (e Errno) Error() string {
 	var s string
@@ -171,7 +171,7 @@ func Version() string {
 }
 
 // Flags for file open operations
-type OpenFlag int
+type OpenFlag int32
 
 const (
 	OpenReadOnly     OpenFlag = C.SQLITE_OPEN_READONLY
@@ -419,7 +419,7 @@ func (c *Conn) GetAutocommit() bool {
 }
 
 // See Conn.BeginTransaction
-type TransactionType int
+type TransactionType uint8
 
 const (
 	Deferred  TransactionType = 0

stmt.go

@@ -504,7 +504,7 @@ func (s *Stmt) ColumnNames() []string {
 }
 
 // SQLite fundamental datatypes
-type Type int
+type Type uint8
 
 func (t Type) String() string {
 	return typeText[t]

trace.go

@@ -88,7 +88,7 @@ func (c *Conn) Profile(f Profiler, udp interface{}) {
 }
 
 // Authorizer return codes
-type Auth int
+type Auth int32
 
 const (
 	AuthOk     Auth = C.SQLITE_OK
@@ -97,7 +97,7 @@ const (
 )
 
 // Authorizer action codes
-type Action int
+type Action int32
 
 const (
 	CreateIndex       Action = C.SQLITE_CREATE_INDEX
@@ -293,7 +293,7 @@ func (c *Conn) ProgressHandler(f ProgressHandler, numOps int, udp interface{}) {
 }
 
 // Status parameters for prepared statements
-type StmtStatus int
+type StmtStatus int32
 
 const (
 	StmtStatusFullScanStep StmtStatus = C.SQLITE_STMTSTATUS_FULLSCAN_STEP
@@ -386,7 +386,7 @@ func ConfigLog(f Logger, udp interface{}) error {
 	return Errno(rv)
 }
 
-type ThreadingMode int
+type ThreadingMode int32
 
 const (
 	SingleThread ThreadingMode = C.SQLITE_CONFIG_SINGLETHREAD