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Implemented schema type resolution against the new TypeManager and Ty…
…pe classes
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| package datatypes | ||
|
|
||
| import ( | ||
| "encoding/hex" | ||
| "encoding/json" | ||
| "fmt" | ||
| "github.com/hashicorp/go-uuid" | ||
| "github.com/jackc/pgx/v5/pgtype" | ||
| "github.com/noctarius/timescaledb-event-streamer/spi/schema/schemamodel" | ||
| "net" | ||
| "net/netip" | ||
| "time" | ||
| ) | ||
|
|
||
| func char2text(_ uint32, value any) (any, error) { | ||
| if v, ok := value.(int32); ok { | ||
| return string(v), nil | ||
| } | ||
| return nil, ErrIllegalValue | ||
| } | ||
|
|
||
| func timestamp2text(oid uint32, value any) (any, error) { | ||
| if v, ok := value.(time.Time); ok { | ||
| switch oid { | ||
| case pgtype.DateOID: | ||
| return v.Format(time.DateOnly), nil | ||
| default: | ||
| return v.In(time.UTC).String(), nil | ||
| } | ||
| } | ||
| return nil, ErrIllegalValue | ||
| } | ||
|
|
||
| func time2text(_ uint32, value any) (any, error) { | ||
| if v, ok := value.(pgtype.Time); ok { | ||
| remaining := int64(time.Microsecond) * v.Microseconds | ||
| hours := remaining / int64(time.Hour) | ||
| remaining = remaining % int64(time.Hour) | ||
| minutes := remaining / int64(time.Minute) | ||
| remaining = remaining % int64(time.Minute) | ||
| seconds := remaining / int64(time.Second) | ||
| remaining = remaining % int64(time.Second) | ||
| return fmt.Sprintf( | ||
| "%02d:%02d:%02d.%06d", hours, minutes, seconds, | ||
| (time.Nanosecond * time.Duration(remaining)).Microseconds(), | ||
| ), nil | ||
| } | ||
| return nil, ErrIllegalValue | ||
| } | ||
|
|
||
| func timestamp2int64(_ uint32, value any) (any, error) { | ||
| if v, ok := value.(time.Time); ok { | ||
| return v.UnixMilli(), nil | ||
| } | ||
| return nil, ErrIllegalValue | ||
| } | ||
|
|
||
| /*func bit2bool(_ uint32, value any) (any, error) { | ||
| if v, ok := value.(pgtype.Bits); ok { | ||
| return v.Bytes[0]&0xF0 == 128, nil | ||
| } | ||
| return nil, ErrIllegalValue | ||
| } | ||
| func bits2bytes(_ uint32, value any) (any, error) { | ||
| if v, ok := value.(pgtype.Bits); ok { | ||
| return v.Bytes, nil | ||
| } | ||
| return nil, ErrIllegalValue | ||
| }*/ | ||
|
|
||
| func json2text(_ uint32, value any) (any, error) { | ||
| if v, ok := value.(map[string]any); ok { | ||
| d, err := json.Marshal(v) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return string(d), nil | ||
| } | ||
| return nil, ErrIllegalValue | ||
| } | ||
|
|
||
| func uuid2text(_ uint32, value any) (any, error) { | ||
| if v, ok := value.(pgtype.UUID); ok { | ||
| u, err := uuid.FormatUUID(v.Bytes[:]) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return u, nil | ||
| } else if v, ok := value.([16]byte); ok { | ||
| u, err := uuid.FormatUUID(v[:]) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return u, nil | ||
| } | ||
| return nil, ErrIllegalValue | ||
| } | ||
|
|
||
| func uint322int64(_ uint32, value any) (any, error) { | ||
| if v, ok := value.(uint32); ok { | ||
| return int64(v), nil | ||
| } | ||
| return nil, ErrIllegalValue | ||
| } | ||
|
|
||
| func macaddr2text(_ uint32, value any) (any, error) { | ||
| if v, ok := value.(net.HardwareAddr); ok { | ||
| return v.String(), nil | ||
| } | ||
| return nil, ErrIllegalValue | ||
| } | ||
|
|
||
| func addr2text(_ uint32, value any) (any, error) { | ||
| if v, ok := value.(netip.Prefix); ok { | ||
| return v.String(), nil | ||
| } | ||
| return nil, ErrIllegalValue | ||
| } | ||
|
|
||
| func interval2int64(_ uint32, value any) (any, error) { | ||
| if v, ok := value.(pgtype.Interval); ok { | ||
| return v.Microseconds, nil | ||
| } | ||
| return nil, ErrIllegalValue | ||
| } | ||
|
|
||
| func numeric2variableScaleDecimal(_ uint32, value any) (any, error) { | ||
| if v, ok := value.(pgtype.Numeric); ok { | ||
| return schemamodel.Struct{ | ||
| "value": hex.EncodeToString(v.Int.Bytes()), | ||
| "scale": v.Exp, | ||
| }, nil | ||
| } | ||
| return nil, ErrIllegalValue | ||
| } |
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