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bind.go
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bind.go
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package sqlx
import "sync"
// Bindvar types supported by Rebind, BindMap and BindStruct.
const (
UNKNOWN = iota
QUESTION
DOLLAR
NAMED
AT
)
var defaultBinds = map[int][]string{
DOLLAR: []string{"postgres", "pgx", "pq-timeouts", "cloudsqlpostgres", "ql", "nrpostgres", "cockroach"},
QUESTION: []string{"mysql", "sqlite3", "nrmysql", "nrsqlite3"},
NAMED: []string{"oci8", "ora", "goracle", "godror"},
AT: []string{"sqlserver"},
}
var binds sync.Map
func init() {
for bind, drivers := range defaultBinds {
for _, driver := range drivers {
BindDriver(driver, bind)
}
}
}
// BindType returns the bindtype for a given database given a drivername.
func BindType(driverName string) int {
itype, ok := binds.Load(driverName)
if !ok {
return UNKNOWN
}
return itype.(int)
}
// BindDriver sets the BindType for driverName to bindType.
func BindDriver(driverName string, bindType int) {
binds.Store(driverName, bindType)
}