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115 lines
2.5 KiB
115 lines
2.5 KiB
package clickhouse
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import (
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"database/sql/driver"
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"fmt"
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"net"
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"strconv"
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"time"
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)
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func Map(v interface{}) driver.Valuer {
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return mapp{v: v}
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}
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type mapp struct {
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v interface{}
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}
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func (a mapp) Value() (driver.Value, error) {
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return textEncode.Encode(a)
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}
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// Array wraps slice or array into driver.Valuer interface to allow pass through it from database/sql
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func Array(v interface{}) driver.Valuer {
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return array{v: v}
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}
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type array struct {
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v interface{}
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}
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// Value implements driver.Valuer
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func (a array) Value() (driver.Value, error) {
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return textEncode.Encode(a)
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}
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// Date returns date for t
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func Date(t time.Time) driver.Valuer {
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return date(t)
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}
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type date time.Time
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// Value implements driver.Valuer
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func (d date) Value() (driver.Value, error) {
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return []byte(formatDate(time.Time(d))), nil
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}
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// UInt64 returns uint64
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func UInt64(u uint64) driver.Valuer {
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return bigUint64(u)
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}
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type bigUint64 uint64
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// Value implements driver.Valuer
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func (u bigUint64) Value() (driver.Value, error) {
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return []byte(strconv.FormatUint(uint64(u), 10)), nil
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}
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// Decimal32 converts value to Decimal32 of precision S.
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// The value can be a number or a string. The S (scale) parameter specifies the number of decimal places.
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func Decimal32(v interface{}, s int32) driver.Valuer {
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return decimal{32, s, v}
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}
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// Decimal64 converts value to Decimal64 of precision S.
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// The value can be a number or a string. The S (scale) parameter specifies the number of decimal places.
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func Decimal64(v interface{}, s int32) driver.Valuer {
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return decimal{64, s, v}
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}
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// Decimal128 converts value to Decimal128 of precision S.
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// The value can be a number or a string. The S (scale) parameter specifies the number of decimal places.
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func Decimal128(v interface{}, s int32) driver.Valuer {
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return decimal{128, s, v}
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}
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type decimal struct {
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p int32
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s int32
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v interface{}
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}
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// Value implements driver.Valuer
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func (d decimal) Value() (driver.Value, error) {
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return []byte(fmt.Sprintf("toDecimal%d('%v', %d)", d.p, d.v, d.s)), nil
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}
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// IP returns compatible database format for net.IP
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func IP(i net.IP) driver.Valuer {
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return ip(i)
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}
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type ip net.IP
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// Value implements driver.Valuer
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func (i ip) Value() (driver.Value, error) {
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return net.IP(i).String(), nil
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}
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// Tuple converts a struct into a tuple
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// struct{A string, B int}{"a", 1} -> ("a", 1)
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func Tuple(v interface{}) driver.Valuer {
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return tuple{v: v}
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}
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type tuple struct {
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v interface{}
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}
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func (t tuple) Value() (driver.Value, error) {
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return textEncode.Encode(t)
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}
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