# Enum NpgsqlDbType

Namespace
  NpgsqlTypes

Assembly
  Npgsql.dll

Represents a PostgreSQL data type that can be written or read to the database. Used in places such as NpgsqlDbType to unambiguously specify how to encode or decode values.

    public enum NpgsqlDbType

## Fields

`[Obsolete("The PostgreSQL abstime time is obsolete.")] Abstime = 33`

  Corresponds to the obsolete PostgreSQL "abstime" type.

  See https://www.postgresql.org/docs/current/static/datatype-datetime.html

`Array = -2147483648`

  Corresponds to the PostgreSQL "array" type, a variable-length multidimensional array of another type. This value must be combined with another value from NpgsqlDbType via a bit OR (e.g. NpgsqlDbType.Array | NpgsqlDbType.Integer)

  See https://www.postgresql.org/docs/current/static/arrays.html

`BigIntMultirange = 536870913`

  Corresponds to the PostgreSQL "int8multirange" type.

`BigIntRange = 1073741825`

  Corresponds to the PostgreSQL "int8range" type.

`Bigint = 1`

  Corresponds to the PostgreSQL 8-byte "bigint" type.

  See https://www.postgresql.org/docs/current/static/datatype-numeric.html

`Bit = 25`

  Corresponds to the PostgreSQL "bit" type.

  See https://www.postgresql.org/docs/current/static/datatype-bit.html

`Boolean = 2`

  Corresponds to the PostgreSQL "boolean" type.

  See https://www.postgresql.org/docs/current/static/datatype-boolean.html

`Box = 3`

  Corresponds to the PostgreSQL geometric "box" type.

  See https://www.postgresql.org/docs/current/static/datatype-geometric.html

`Bytea = 4`

  Corresponds to the PostgreSQL "bytea" type, holding a raw byte string.

  See https://www.postgresql.org/docs/current/static/datatype-binary.html

`Char = 6`

  Corresponds to the PostgreSQL "char(n)" type.

  See https://www.postgresql.org/docs/current/static/datatype-character.html

`Cid = 43`

  Corresponds to the PostgreSQL "cid" type, an internal command identifier.

  See https://www.postgresql.org/docs/current/static/datatype-oid.html

`Cidr = 44`

  Corresponds to the PostgreSQL "cidr" type, a field storing an IPv4 or IPv6 network.

  See https://www.postgresql.org/docs/current/static/datatype-net-types.html

`Circle = 5`

  Corresponds to the PostgreSQL geometric "circle" type.

  See https://www.postgresql.org/docs/current/static/datatype-geometric.html

`Citext = 51`

  Corresponds to the PostgreSQL "citext" type for the citext module.

  See https://www.postgresql.org/docs/current/static/citext.html

`Date = 7`

  Corresponds to the PostgreSQL "date" type.

  See https://www.postgresql.org/docs/current/static/datatype-datetime.html

`DateMultirange = 536870919`

  Corresponds to the PostgreSQL "datemultirange" type.

`DateRange = 1073741831`

  Corresponds to the PostgreSQL "daterange" type.

`Double = 8`

  Corresponds to the PostgreSQL 8-byte floating-point "double" type.

  See https://www.postgresql.org/docs/current/static/datatype-numeric.html

`Geography = 55`

  The geography (geodetic) type for PostgreSQL spatial extension PostGIS.

`Geometry = 50`

  The geometry type for PostgreSQL spatial extension PostGIS.

`Hstore = 37`

  Corresponds to the PostgreSQL "hstore" type, a dictionary of string key-value pairs.

  See https://www.postgresql.org/docs/current/static/hstore.html

`Inet = 24`

  Corresponds to the PostgreSQL "inet" type.

  See https://www.postgresql.org/docs/current/static/datatype-net-types.html

`Int2Vector = 52`

  Corresponds to the PostgreSQL internal "int2vector" type.

`Integer = 9`

  Corresponds to the PostgreSQL 4-byte "integer" type.

  See https://www.postgresql.org/docs/current/static/datatype-numeric.html

`IntegerMultirange = 536870921`

  Corresponds to the PostgreSQL "int4multirange" type.

`IntegerRange = 1073741833`

  Corresponds to the PostgreSQL "int4range" type.

`InternalChar = 38`

  Corresponds to the PostgreSQL "char" type.

  This is an internal field and should normally not be used for regular applications.

  See https://www.postgresql.org/docs/current/static/datatype-text.html

`Interval = 30`

  Corresponds to the PostgreSQL "interval" type.

  See https://www.postgresql.org/docs/current/static/datatype-datetime.html

`Json = 35`

  Corresponds to the PostgreSQL "json" type, a field storing JSON in text format.

  See https://www.postgresql.org/docs/current/static/datatype-json.html

`JsonPath = 57`

  Corresponds to the PostgreSQL "jsonpath" type, a field storing JSON path in text format. format.

  Supported since PostgreSQL 12. See https://www.postgresql.org/docs/current/datatype-json.html#DATATYPE-JSONPATH

`Jsonb = 36`

  Corresponds to the PostgreSQL "jsonb" type, a field storing JSON in an optimized binary. format.

  Supported since PostgreSQL 9.4. See https://www.postgresql.org/docs/current/static/datatype-json.html

`LQuery = 61`

  The PostgreSQL lquery type for PostgreSQL extension ltree

  See https://www.postgresql.org/docs/current/static/ltree.html

`LSeg = 11`

  Corresponds to the PostgreSQL geometric "lseg" type.

  See https://www.postgresql.org/docs/current/static/datatype-geometric.html

`LTree = 60`

  The PostgreSQL ltree type, each value is a label path "a.label.tree.value", forming a tree in a set.

  See https://www.postgresql.org/docs/current/static/ltree.html

`LTxtQuery = 62`

  The PostgreSQL ltxtquery type for PostgreSQL extension ltree

  See https://www.postgresql.org/docs/current/static/ltree.html

`Line = 10`

  Corresponds to the PostgreSQL geometric "line" type.

  See https://www.postgresql.org/docs/current/static/datatype-geometric.html

`MacAddr = 34`

  Corresponds to the PostgreSQL "macaddr" type, a field storing a 6-byte physical address.

  See https://www.postgresql.org/docs/current/static/datatype-net-types.html

`MacAddr8 = 54`

  Corresponds to the PostgreSQL "macaddr8" type, a field storing a 6-byte or 8-byte physical address.

  See https://www.postgresql.org/docs/current/static/datatype-net-types.html

`Money = 12`

  Corresponds to the PostgreSQL "money" type.

  See https://www.postgresql.org/docs/current/static/datatype-money.html

`Multirange = 536870912`

  Corresponds to the PostgreSQL "multirange" type, continuous range of values of specific type. This value must be combined with another value from NpgsqlDbType via a bit OR (e.g. NpgsqlDbType.Multirange | NpgsqlDbType.Integer)

  Supported since PostgreSQL 14. See https://www.postgresql.org/docs/current/static/rangetypes.html

`NChar = 201`

  Corresponds to the PostgreSQL "NChar" type.

  See http://www.postgresql.org/docs/current/static/datatype-character.html

`NVarchar = 200`

  Corresponds to the PostgreSQL "NVarchar" type.

  See http://www.postgresql.org/docs/current/static/datatype-character.html

`Name = 32`

  Corresponds to the PostgreSQL internal "name" type.

  See https://www.postgresql.org/docs/current/static/datatype-character.html

`Numeric = 13`

  Corresponds to the PostgreSQL arbitrary-precision "numeric" type.

  See https://www.postgresql.org/docs/current/static/datatype-numeric.html

`NumericMultirange = 536870925`

  Corresponds to the PostgreSQL "nummultirange" type.

`NumericRange = 1073741837`

  Corresponds to the PostgreSQL "numrange" type.

`Oid = 41`

  Corresponds to the PostgreSQL "oid" type.

  See https://www.postgresql.org/docs/current/static/datatype-oid.html

`Oidvector = 29`

  Corresponds to the PostgreSQL internal "oidvector" type.

  See https://www.postgresql.org/docs/current/static/datatype-oid.html

`Path = 14`

  Corresponds to the PostgreSQL geometric "path" type.

  See https://www.postgresql.org/docs/current/static/datatype-geometric.html

`PgLsn = 59`

  Corresponds to the PostgreSQL "pg_lsn" type, which can be used to store LSN (Log Sequence Number) data which is a pointer to a location in the WAL.

  See: https://www.postgresql.org/docs/current/datatype-pg-lsn.html and https://git.postgresql.org/gitweb/?p=postgresql.git;a=commit;h=7d03a83f4d0736ba869fa6f93973f7623a27038a

`Point = 15`

  Corresponds to the PostgreSQL geometric "point" type.

  See https://www.postgresql.org/docs/current/static/datatype-geometric.html

`Polygon = 16`

  Corresponds to the PostgreSQL geometric "polygon" type.

  See https://www.postgresql.org/docs/current/static/datatype-geometric.html

`Range = 1073741824`

  Corresponds to the PostgreSQL "range" type, continuous range of values of specific type. This value must be combined with another value from NpgsqlDbType via a bit OR (e.g. NpgsqlDbType.Range | NpgsqlDbType.Integer)

  Supported since PostgreSQL 9.2. See https://www.postgresql.org/docs/current/static/rangetypes.html

`Real = 17`

  Corresponds to the PostgreSQL floating-point "real" type.

  See https://www.postgresql.org/docs/current/static/datatype-numeric.html

`Refcursor = 23`

  Corresponds to the PostgreSQL "refcursor" type.

`Regconfig = 56`

  Corresponds to the PostgreSQL "regconfig" type.

  See https://www.postgresql.org/docs/current/static/datatype-textsearch.html

`Regtype = 49`

  Corresponds to the PostgreSQL "regtype" type, a numeric (OID) ID of a type in the pg_type table.

`Smallint = 18`

  Corresponds to the PostgreSQL 2-byte "smallint" type.

  See https://www.postgresql.org/docs/current/static/datatype-numeric.html

`Text = 19`

  Corresponds to the PostgreSQL "text" type.

  See https://www.postgresql.org/docs/current/static/datatype-character.html

`Tid = 53`

  Corresponds to the PostgreSQL "tid" type, a tuple id identifying the physical location of a row within its table.

`Time = 20`

  Corresponds to the PostgreSQL "time" type.

  See https://www.postgresql.org/docs/current/static/datatype-datetime.html

`TimeTz = 31`

  Corresponds to the PostgreSQL "time with time zone" type.

  See https://www.postgresql.org/docs/current/static/datatype-datetime.html

`Timestamp = 21`

  Corresponds to the PostgreSQL "timestamp" type.

  See https://www.postgresql.org/docs/current/static/datatype-datetime.html

`TimestampMultirange = 536870933`

  Corresponds to the PostgreSQL "tsmultirange" type.

`TimestampRange = 1073741845`

  Corresponds to the PostgreSQL "tsrange" type.

`TimestampTz = 26`

  Corresponds to the PostgreSQL "timestamp with time zone" type.

  See https://www.postgresql.org/docs/current/static/datatype-datetime.html

`TimestampTzMultirange = 536870938`

  Corresponds to the PostgreSQL "tstzmultirange" type.

`TimestampTzRange = 1073741850`

  Corresponds to the PostgreSQL "tstzrange" type.

`TsQuery = 46`

  Corresponds to the PostgreSQL "tsquery" type.

  See https://www.postgresql.org/docs/current/static/datatype-textsearch.html

`TsVector = 45`

  Corresponds to the PostgreSQL "tsvector" type.

  See https://www.postgresql.org/docs/current/static/datatype-textsearch.html

`Unknown = 40`

  A special value that can be used to send parameter values to the database without specifying their type, allowing the database to cast them to another value based on context. The value will be converted to a string and send as text.

  This value shouldn't ordinarily be used, and makes sense only when sending a data type unsupported by Npgsql.

`Uuid = 27`

  Corresponds to the PostgreSQL "uuid" type.

  See https://www.postgresql.org/docs/current/static/datatype-uuid.html

`Varbit = 39`

  Corresponds to the PostgreSQL "varbit" type, a field storing a variable-length string of bits.

  See https://www.postgresql.org/docs/current/static/datatype-boolean.html

`Varchar = 22`

  Corresponds to the PostgreSQL "varchar" type.

  See https://www.postgresql.org/docs/current/static/datatype-character.html

`Xid = 42`

  Corresponds to the PostgreSQL "xid" type, an internal transaction identifier.

  See https://www.postgresql.org/docs/current/static/datatype-oid.html

`Xid8 = 64`

  Corresponds to the PostgreSQL "xid8" type, an internal transaction identifier.

  See https://www.postgresql.org/docs/current/static/datatype-oid.html

`Xml = 28`

  Corresponds to the PostgreSQL "xml" type.

  See https://www.postgresql.org/docs/current/static/datatype-xml.html

## Remarks

See https://www.postgresql.org/docs/current/static/datatype.html.