// PgParseType parse a postgres type into a Go type based on the column
// definition.
func PgParseType(args *internal.ArgType, dt string, nullable bool) (int, string, string) {
precision := 0
nilVal := "nil"
asSlice := false
// handle SETOF
if strings.HasPrefix(dt, "SETOF ") {
_, _, t := PgParseType(args, dt[len("SETOF "):], false)
return 0, "nil", "[]" + t
}
// determine if it's a slice
if strings.HasSuffix(dt, "[]") {
dt = dt[:len(dt)-2]
asSlice = true
}
// extract precision
dt, precision, _ = args.ParsePrecision(dt)
var typ string
switch dt {
case "boolean":
nilVal = "false"
typ = "bool"
if nullable {
nilVal = "sql.NullBool{}"
typ = "sql.NullBool"
}
case "character", "character varying", "text", "money":
nilVal = `""`
typ = "string"
if nullable {
nilVal = "sql.NullString{}"
typ = "sql.NullString"
}
case "smallint":
nilVal = "0"
typ = "int16"
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "integer":
nilVal = "0"
typ = args.Int32Type
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "bigint":
nilVal = "0"
typ = "int64"
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "smallserial":
nilVal = "0"
typ = "uint16"
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "serial":
nilVal = "0"
typ = args.Uint32Type
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "bigserial":
nilVal = "0"
typ = "uint64"
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "real":
nilVal = "0.0"
typ = "float32"
if nullable {
nilVal = "sql.NullFloat64{}"
typ = "sql.NullFloat64"
}
case "numeric", "double precision":
nilVal = "0.0"
typ = "float64"
if nullable {
nilVal = "sql.NullFloat64{}"
typ = "sql.NullFloat64"
}
case "bytea":
asSlice = true
typ = "byte"
case "date", "timestamp with time zone", "time with time zone", "time without time zone", "timestamp without time zone":
typ = "*time.Time"
if nullable {
nilVal = "pq.NullTime{}"
typ = "pq.NullTime"
}
case "interval":
typ = "*time.Duration"
case `"char"`, "bit":
// FIXME: this needs to actually be tested ...
// i think this should be 'rune' but I don't think database/sql
// supports 'rune' as a type?
//
// this is mainly here because postgres's pg_catalog.* meta tables have
// this as a type.
//typ = "rune"
nilVal = `uint8(0)`
typ = "uint8"
case `"any"`, "bit varying":
asSlice = true
typ = "byte"
default:
if strings.HasPrefix(dt, args.Schema+".") {
// in the same schema, so chop off
typ = internal.SnakeToIdentifier(dt[len(args.Schema)+1:])
nilVal = typ + "(0)"
} else {
typ = internal.SnakeToIdentifier(dt)
nilVal = typ + "{}"
}
}
// special case for []slice
if typ == "string" && asSlice {
return precision, "StringSlice{}", "StringSlice"
}
// correct type if slice
if asSlice {
typ = "[]" + typ
nilVal = "nil"
}
return precision, nilVal, typ
}
// MyParseType parse a mysql type into a Go type based on the column
// definition.
func MyParseType(args *internal.ArgType, dt string, nullable bool) (int, string, string) {
precision := 0
nilVal := "nil"
unsigned := false
// extract unsigned
if strings.HasSuffix(dt, " unsigned") {
unsigned = true
dt = dt[:len(dt)-len(" unsigned")]
}
// extract precision
dt, precision, _ = args.ParsePrecision(dt)
var typ string
switchDT:
switch dt {
case "bit":
nilVal = "0"
if precision == 1 {
nilVal = "false"
typ = "bool"
if nullable {
nilVal = "sql.NullBool{}"
typ = "sql.NullBool"
}
break switchDT
} else if precision <= 8 {
typ = "uint8"
} else if precision <= 16 {
typ = "uint16"
} else if precision <= 32 {
typ = "uint32"
} else {
typ = "uint64"
}
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "bool", "boolean":
nilVal = "false"
typ = "bool"
if nullable {
nilVal = "sql.NullBool{}"
typ = "sql.NullBool"
}
case "char", "varchar", "tinytext", "text", "mediumtext", "longtext":
nilVal = `""`
typ = "string"
if nullable {
nilVal = "sql.NullString{}"
typ = "sql.NullString"
}
case "tinyint", "smallint":
nilVal = "0"
typ = "int16"
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "mediumint", "int", "integer":
nilVal = "0"
typ = args.Int32Type
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "bigint":
nilVal = "0"
typ = "int64"
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "float":
nilVal = "0.0"
typ = "float32"
if nullable {
nilVal = "sql.NullFloat64{}"
typ = "sql.NullFloat64"
}
case "decimal", "double":
nilVal = "0.0"
typ = "float64"
if nullable {
nilVal = "sql.NullFloat64{}"
typ = "sql.NullFloat64"
}
case "binary", "varbinary", "tinyblob", "blob", "mediumblob", "longblob":
typ = "[]byte"
case "timestamp", "datetime", "date":
typ = "*time.Time"
if nullable {
nilVal = "mysql.NullTime{}"
typ = "mysql.NullTime"
}
default:
if strings.HasPrefix(dt, args.Schema+".") {
// in the same schema, so chop off
typ = internal.SnakeToIdentifier(dt[len(args.Schema)+1:])
nilVal = typ + "(0)"
} else {
typ = internal.SnakeToIdentifier(dt)
nilVal = typ + "{}"
}
}
// add 'u' as prefix to type if its unsigned
// FIXME: this needs to be tested properly...
if unsigned && internal.IntRE.MatchString(typ) {
typ = "u" + typ
}
return precision, nilVal, typ
}
// OrParseType parse a oracle type into a Go type based on the column
// definition.
func OrParseType(args *internal.ArgType, dt string, nullable bool) (int, string, string) {
precision := 0
nilVal := "nil"
dt = strings.ToLower(dt)
// special boolean case
if dt == "char(1)" {
return 0, "false", "bool"
}
// extract precision
dt, precision, _ = args.ParsePrecision(dt)
// strip remaining length (on things like timestamp)
dt = OrLenRE.ReplaceAllString(dt, "")
var typ string
switch dt {
case "char", "nchar", "varchar", "varchar2", "nvarchar2", "long", "clob", "nclob":
nilVal = `""`
typ = "string"
if nullable {
nilVal = "sql.NullString{}"
typ = "sql.NullString"
}
case "shortint":
nilVal = "0"
typ = "int16"
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "integer":
nilVal = "0"
typ = args.Int32Type
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "longinteger", "rowid":
nilVal = "0"
typ = "int64"
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "float", "shortdecimal":
nilVal = "0.0"
typ = "float32"
if nullable {
nilVal = "sql.NullFloat64{}"
typ = "sql.NullFloat64"
}
case "number", "decimal":
nilVal = "0.0"
typ = "float64"
if nullable {
nilVal = "sql.NullFloat64{}"
typ = "sql.NullFloat64"
}
case "blob", "long raw", "raw":
typ = "[]byte"
case "date", "timestamp", "timestamp with time zone":
typ = "time.Time"
nilVal = "time.Time{}"
default:
// bail
fmt.Fprintf(os.Stderr, "error: unknown type %s\n", dt)
os.Exit(1)
}
// special case for bool
if typ == "int" && precision == 1 {
nilVal = "false"
typ = "bool"
if nullable {
nilVal = "sql.NullBool{}"
typ = "sql.NullBool"
}
}
return precision, nilVal, typ
}
// SqParseType parse a postgres type into a Go type based on the column
// definition.
func SqParseType(args *internal.ArgType, dt string, nullable bool) (int, string, string) {
precision := 0
nilVal := "nil"
unsigned := false
dt = strings.ToLower(dt)
// extract precision
dt, precision, _ = args.ParsePrecision(dt)
if uRE.MatchString(dt) {
unsigned = true
uRE.ReplaceAllString(dt, "")
}
var typ string
switch dt {
case "bool", "boolean":
nilVal = "false"
typ = "bool"
if nullable {
nilVal = "sql.NullBool{}"
typ = "sql.NullBool"
}
case "int", "integer", "tinyint", "smallint", "mediumint", "bigint":
nilVal = "0"
typ = args.Int32Type
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "numeric", "real", "double", "float", "decimal":
nilVal = "0.0"
typ = "float64"
if nullable {
nilVal = "sql.NullFloat64{}"
typ = "sql.NullFloat64"
}
case "blob":
typ = "[]byte"
default:
// case "varchar", "character", "varying character", "nchar", "native character", "nvarchar", "text", "clob", "datetime", "date", "time":
nilVal = `""`
typ = "string"
if nullable {
nilVal = "sql.NullString{}"
typ = "sql.NullString"
}
}
// if unsigned ...
if internal.IntRE.MatchString(typ) && unsigned {
typ = "u" + typ
}
return precision, nilVal, typ
}
// MsParseType parse a postgres type into a Go type based on the column
// definition.
func MsParseType(args *internal.ArgType, dt string, nullable bool) (int, string, string) {
precision := 0
nilVal := "nil"
// extract precision
dt, precision, _ = args.ParsePrecision(dt)
var typ string
switch dt {
case "tinyint", "bit":
nilVal = "false"
typ = "bool"
if nullable {
nilVal = "sql.NullBool{}"
typ = "sql.NullBool"
}
case "char", "varchar", "text", "nchar", "nvarchar", "ntext", "smallmoney", "money":
nilVal = `""`
typ = "string"
if nullable {
nilVal = "sql.NullString{}"
typ = "sql.NullString"
}
case "smallint":
nilVal = "0"
typ = "int16"
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "int":
nilVal = "0"
typ = args.Int32Type
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "bigint":
nilVal = "0"
typ = "int64"
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "smallserial":
nilVal = "0"
typ = "uint16"
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "serial":
nilVal = "0"
typ = args.Uint32Type
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "bigserial":
nilVal = "0"
typ = "uint64"
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "real":
nilVal = "0.0"
typ = "float32"
if nullable {
nilVal = "sql.NullFloat64{}"
typ = "sql.NullFloat64"
}
case "numeric", "decimal":
nilVal = "0.0"
typ = "float64"
if nullable {
nilVal = "sql.NullFloat64{}"
typ = "sql.NullFloat64"
}
case "binary", "varbinary":
typ = "[]byte"
case "datetime", "datetime2", "timestamp":
nilVal = "time.Time{}"
typ = "time.Time"
case "time with time zone", "time without time zone", "timestamp without time zone":
nilVal = "0"
typ = "int64"
if nullable {
nilVal = "sql.NullInt64{}"
typ = "sql.NullInt64"
}
case "interval":
typ = "*time.Duration"
default:
if strings.HasPrefix(dt, args.Schema+".") {
// in the same schema, so chop off
typ = internal.SnakeToIdentifier(dt[len(args.Schema)+1:])
nilVal = typ + "(0)"
} else {
typ = internal.SnakeToIdentifier(dt)
nilVal = typ + "{}"
}
}
return precision, nilVal, typ
}