Module types 

PostgreSQL type OID to Arrow DataType mapping.

Maps PostgreSQL’s internal type OIDs to Apache Arrow data types for zero-copy CDC event conversion. Also provides text-format value parsing for pgoutput protocol data.

Structs

PgColumn

A column descriptor from a PostgreSQL relation.

Constants

BOOL_ARRAY_OID

bool[]

BOOL_OID

bool — boolean

BPCHAR_OID

bpchar — fixed-length character (char(n))

BYTEA_OID

bytea — variable-length binary string

CHAR_OID

char — single character (internal type)

CIDR_OID

cidr — IPv4/IPv6 network address

DATE_OID

date — calendar date

FLOAT4_ARRAY_OID

float4[]

FLOAT4_OID

float4 (real) — single precision floating-point

FLOAT8_ARRAY_OID

float8[]

FLOAT8_OID

float8 (double precision) — double precision floating-point

INET_OID

inet — IPv4/IPv6 host address

INT2_ARRAY_OID

int2[]

INT2_OID

int2 (smallint) — 2-byte signed integer

INT4_ARRAY_OID

int4[]

INT4_OID

int4 (integer) — 4-byte signed integer

INT8_ARRAY_OID

int8[]

INT8_OID

int8 (bigint) — 8-byte signed integer

INTERVAL_OID

interval — time interval

JSONB_OID

jsonb — binary JSON data

JSON_OID

json — JSON data

MACADDR_OID

macaddr — MAC address

NAME_OID

name — 63-byte internal name type

NUMERIC_OID

numeric — exact numeric with arbitrary precision

OID_OID

oid — object identifier (unsigned 4 bytes)

TEXT_ARRAY_OID

text[]

TEXT_OID

text — variable-length text

TIMESTAMPTZ_OID

timestamptz — date and time with timezone

TIMESTAMP_OID

timestamp — date and time (without timezone)

TIME_OID

time — time of day (without timezone)

UUID_OID

uuid — universally unique identifier

VARCHAR_ARRAY_OID

varchar[]

VARCHAR_OID

varchar — variable-length character string

XML_OID

xml — XML data

Functions

pg_type_name

Returns a human-readable name for a PostgreSQL type OID.

pg_type_to_arrow

Maps a PostgreSQL type OID to an Arrow DataType.