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294 lines
8.6 KiB
294 lines
8.6 KiB
# postgresql/pg_catalog.py
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# Copyright (C) 2005-2021 the SQLAlchemy authors and contributors
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# <see AUTHORS file>
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#
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# This module is part of SQLAlchemy and is released under
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# the MIT License: https://www.opensource.org/licenses/mit-license.php
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# mypy: ignore-errors
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from .array import ARRAY
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from .types import OID
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from .types import REGCLASS
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from ... import Column
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from ... import func
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from ... import MetaData
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from ... import Table
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from ...types import BigInteger
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from ...types import Boolean
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from ...types import CHAR
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from ...types import Float
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from ...types import Integer
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from ...types import SmallInteger
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from ...types import String
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from ...types import Text
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from ...types import TypeDecorator
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# types
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class NAME(TypeDecorator):
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impl = String(64, collation="C")
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cache_ok = True
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class PG_NODE_TREE(TypeDecorator):
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impl = Text(collation="C")
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cache_ok = True
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class INT2VECTOR(TypeDecorator):
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impl = ARRAY(SmallInteger)
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cache_ok = True
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class OIDVECTOR(TypeDecorator):
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impl = ARRAY(OID)
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cache_ok = True
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class _SpaceVector:
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def result_processor(self, dialect, coltype):
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def process(value):
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if value is None:
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return value
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return [int(p) for p in value.split(" ")]
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return process
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REGPROC = REGCLASS # seems an alias
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# functions
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_pg_cat = func.pg_catalog
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quote_ident = _pg_cat.quote_ident
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pg_table_is_visible = _pg_cat.pg_table_is_visible
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pg_type_is_visible = _pg_cat.pg_type_is_visible
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pg_get_viewdef = _pg_cat.pg_get_viewdef
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pg_get_serial_sequence = _pg_cat.pg_get_serial_sequence
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format_type = _pg_cat.format_type
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pg_get_expr = _pg_cat.pg_get_expr
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pg_get_constraintdef = _pg_cat.pg_get_constraintdef
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pg_get_indexdef = _pg_cat.pg_get_indexdef
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# constants
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RELKINDS_TABLE_NO_FOREIGN = ("r", "p")
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RELKINDS_TABLE = RELKINDS_TABLE_NO_FOREIGN + ("f",)
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RELKINDS_VIEW = ("v",)
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RELKINDS_MAT_VIEW = ("m",)
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RELKINDS_ALL_TABLE_LIKE = RELKINDS_TABLE + RELKINDS_VIEW + RELKINDS_MAT_VIEW
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# tables
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pg_catalog_meta = MetaData()
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pg_namespace = Table(
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"pg_namespace",
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pg_catalog_meta,
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Column("oid", OID),
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Column("nspname", NAME),
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Column("nspowner", OID),
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schema="pg_catalog",
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)
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pg_class = Table(
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"pg_class",
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pg_catalog_meta,
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Column("oid", OID, info={"server_version": (9, 3)}),
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Column("relname", NAME),
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Column("relnamespace", OID),
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Column("reltype", OID),
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Column("reloftype", OID),
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Column("relowner", OID),
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Column("relam", OID),
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Column("relfilenode", OID),
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Column("reltablespace", OID),
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Column("relpages", Integer),
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Column("reltuples", Float),
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Column("relallvisible", Integer, info={"server_version": (9, 2)}),
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Column("reltoastrelid", OID),
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Column("relhasindex", Boolean),
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Column("relisshared", Boolean),
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Column("relpersistence", CHAR, info={"server_version": (9, 1)}),
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Column("relkind", CHAR),
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Column("relnatts", SmallInteger),
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Column("relchecks", SmallInteger),
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Column("relhasrules", Boolean),
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Column("relhastriggers", Boolean),
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Column("relhassubclass", Boolean),
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Column("relrowsecurity", Boolean),
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Column("relforcerowsecurity", Boolean, info={"server_version": (9, 5)}),
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Column("relispopulated", Boolean, info={"server_version": (9, 3)}),
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Column("relreplident", CHAR, info={"server_version": (9, 4)}),
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Column("relispartition", Boolean, info={"server_version": (10,)}),
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Column("relrewrite", OID, info={"server_version": (11,)}),
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Column("reloptions", ARRAY(Text)),
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schema="pg_catalog",
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)
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pg_type = Table(
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"pg_type",
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pg_catalog_meta,
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Column("oid", OID, info={"server_version": (9, 3)}),
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Column("typname", NAME),
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Column("typnamespace", OID),
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Column("typowner", OID),
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Column("typlen", SmallInteger),
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Column("typbyval", Boolean),
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Column("typtype", CHAR),
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Column("typcategory", CHAR),
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Column("typispreferred", Boolean),
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Column("typisdefined", Boolean),
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Column("typdelim", CHAR),
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Column("typrelid", OID),
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Column("typelem", OID),
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Column("typarray", OID),
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Column("typinput", REGPROC),
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Column("typoutput", REGPROC),
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Column("typreceive", REGPROC),
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Column("typsend", REGPROC),
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Column("typmodin", REGPROC),
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Column("typmodout", REGPROC),
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Column("typanalyze", REGPROC),
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Column("typalign", CHAR),
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Column("typstorage", CHAR),
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Column("typnotnull", Boolean),
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Column("typbasetype", OID),
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Column("typtypmod", Integer),
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Column("typndims", Integer),
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Column("typcollation", OID, info={"server_version": (9, 1)}),
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Column("typdefault", Text),
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schema="pg_catalog",
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)
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pg_index = Table(
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"pg_index",
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pg_catalog_meta,
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Column("indexrelid", OID),
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Column("indrelid", OID),
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Column("indnatts", SmallInteger),
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Column("indnkeyatts", SmallInteger, info={"server_version": (11,)}),
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Column("indisunique", Boolean),
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Column("indisprimary", Boolean),
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Column("indisexclusion", Boolean, info={"server_version": (9, 1)}),
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Column("indimmediate", Boolean),
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Column("indisclustered", Boolean),
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Column("indisvalid", Boolean),
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Column("indcheckxmin", Boolean),
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Column("indisready", Boolean),
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Column("indislive", Boolean, info={"server_version": (9, 3)}), # 9.3
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Column("indisreplident", Boolean),
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Column("indkey", INT2VECTOR),
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Column("indcollation", OIDVECTOR, info={"server_version": (9, 1)}), # 9.1
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Column("indclass", OIDVECTOR),
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Column("indoption", INT2VECTOR),
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Column("indexprs", PG_NODE_TREE),
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Column("indpred", PG_NODE_TREE),
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schema="pg_catalog",
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)
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pg_attribute = Table(
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"pg_attribute",
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pg_catalog_meta,
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Column("attrelid", OID),
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Column("attname", NAME),
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Column("atttypid", OID),
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Column("attstattarget", Integer),
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Column("attlen", SmallInteger),
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Column("attnum", SmallInteger),
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Column("attndims", Integer),
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Column("attcacheoff", Integer),
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Column("atttypmod", Integer),
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Column("attbyval", Boolean),
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Column("attstorage", CHAR),
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Column("attalign", CHAR),
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Column("attnotnull", Boolean),
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Column("atthasdef", Boolean),
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Column("atthasmissing", Boolean, info={"server_version": (11,)}),
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Column("attidentity", CHAR, info={"server_version": (10,)}),
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Column("attgenerated", CHAR, info={"server_version": (12,)}),
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Column("attisdropped", Boolean),
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Column("attislocal", Boolean),
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Column("attinhcount", Integer),
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Column("attcollation", OID, info={"server_version": (9, 1)}),
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schema="pg_catalog",
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)
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pg_constraint = Table(
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"pg_constraint",
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pg_catalog_meta,
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Column("oid", OID), # 9.3
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Column("conname", NAME),
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Column("connamespace", OID),
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Column("contype", CHAR),
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Column("condeferrable", Boolean),
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Column("condeferred", Boolean),
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Column("convalidated", Boolean, info={"server_version": (9, 1)}),
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Column("conrelid", OID),
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Column("contypid", OID),
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Column("conindid", OID),
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Column("conparentid", OID, info={"server_version": (11,)}),
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Column("confrelid", OID),
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Column("confupdtype", CHAR),
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Column("confdeltype", CHAR),
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Column("confmatchtype", CHAR),
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Column("conislocal", Boolean),
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Column("coninhcount", Integer),
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Column("connoinherit", Boolean, info={"server_version": (9, 2)}),
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Column("conkey", ARRAY(SmallInteger)),
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Column("confkey", ARRAY(SmallInteger)),
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schema="pg_catalog",
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)
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pg_sequence = Table(
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"pg_sequence",
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pg_catalog_meta,
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Column("seqrelid", OID),
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Column("seqtypid", OID),
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Column("seqstart", BigInteger),
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Column("seqincrement", BigInteger),
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Column("seqmax", BigInteger),
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Column("seqmin", BigInteger),
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Column("seqcache", BigInteger),
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Column("seqcycle", Boolean),
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schema="pg_catalog",
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info={"server_version": (10,)},
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)
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pg_attrdef = Table(
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"pg_attrdef",
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pg_catalog_meta,
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Column("oid", OID, info={"server_version": (9, 3)}),
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Column("adrelid", OID),
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Column("adnum", SmallInteger),
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Column("adbin", PG_NODE_TREE),
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schema="pg_catalog",
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)
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pg_description = Table(
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"pg_description",
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pg_catalog_meta,
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Column("objoid", OID),
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Column("classoid", OID),
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Column("objsubid", Integer),
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Column("description", Text(collation="C")),
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schema="pg_catalog",
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)
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pg_enum = Table(
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"pg_enum",
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pg_catalog_meta,
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Column("oid", OID, info={"server_version": (9, 3)}),
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Column("enumtypid", OID),
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Column("enumsortorder", Float(), info={"server_version": (9, 1)}),
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Column("enumlabel", NAME),
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schema="pg_catalog",
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)
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pg_am = Table(
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"pg_am",
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pg_catalog_meta,
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Column("oid", OID, info={"server_version": (9, 3)}),
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Column("amname", NAME),
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Column("amhandler", REGPROC, info={"server_version": (9, 6)}),
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Column("amtype", CHAR, info={"server_version": (9, 6)}),
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schema="pg_catalog",
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)
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