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// Package databend defines and registers usql's Databend driver.
//
// See: https://github.com/datafuselabs/databend-go
package databend
import (
"io"
_ "github.com/datafuselabs/databend-go" // DRIVER
"github.com/xo/usql/drivers"
"github.com/xo/usql/drivers/metadata"
infos "github.com/xo/usql/drivers/metadata/informationschema"
)
func init() {
newReader := infos.New(
infos.WithPlaceholder(func(int) string { return "?" }),
infos.WithCustomClauses(map[infos.ClauseName]string{
infos.SequenceColumnsIncrement: "''",
}),
infos.WithFunctions(false),
infos.WithIndexes(false),
infos.WithConstraints(false),
infos.WithColumnPrivileges(false),
)
drivers.Register("databend", drivers.Driver{
UseColumnTypes: true,
NewMetadataReader: newReader,
NewMetadataWriter: func(db drivers.DB, w io.Writer, opts ...metadata.ReaderOption) metadata.Writer {
return metadata.NewDefaultWriter(newReader(db, opts...))(db, w)
},
})
}
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