GIF89a=( õ' 7IAXKgNgYvYx\%wh…hŽth%ˆs%—x¨}9®Œ©€&©‰%¶†(¹–.¹5·œD¹&Çš)ÇŸ5ǘ;Í£*È¡&Õ²)ׯ7×µ<Ñ»4ï°3ø‘HÖ§KͯT÷¨Yÿšqÿ»qÿÔFØ !ù ' !ÿ NETSCAPE2.0 , =( þÀ“pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§gª«ªE¯°¨¬ª±²Œ¹º¹E¾­”´ÂB¶¯ §Åȸ»ÑD¾¿Á•ÄÅ®° ÝH¾ÒLÀÆDÙ«D¶BÝïðÀ¾DÑÑÔTÌÍíH òGö¨A RÎڐ |¥ ٭&ºìE8œ¹kGÔAÞpx­a¶­ã R2XB®åE8I€Õ6Xî:vT)äžþÀq¦è³¥ì仕F~%xñ  4#ZÔ‰O|-4Bs‘X:= QÉ œš lºÒyXJŠGȦ|s hÏíK–3l7·B|¥$'7Jީܪ‰‡àá”Dæn=Pƒ ¤Òëí‰`䌨ljóá¯Éüv>á–Á¼5 ½.69ûϸd«­ºÀûnlv©‹ªîf{¬ÜãPbŸ  l5‘Ž¯pß ´ ˜3aÅùäI«O’ý·‘áÞ‡˜¾Æ‚ÙÏiÇÿ‹Àƒ #öó)pâš Þ½ ‘Ý{ó)vmÞü%D~ 6f s}ŃƒDØW Eþ`‡þ À…L8xá†ç˜{)x`X/> Ì}mø‚–RØ‘*|`D=‚Ø_ ^ð5 !_…'aä“OÚ—7âcð`D”Cx`ÝÂ¥ä‹éY¹—F¼¤¥Š?¡Õ™ n@`} lď’ÄÉ@4>ñd œ à‘vÒxNÃ×™@žd=ˆgsžG±æ ´²æud &p8Qñ)ˆ«lXD©øÜéAžHìySun jª×k*D¤LH] †¦§C™Jä–´Xb~ʪwStŽ6K,°£qÁœ:9ت:¨þªl¨@¡`‚ûÚ ».Û¬¯t‹ÆSÉ[:°=Š‹„‘Nåû”Ìî{¿ÂA ‡Rà›ÀÙ6úë°Ÿð0Ä_ ½;ÃϱîÉì^ÇÛÇ#Ëë¼ôº!±Ä˜íUîÅÇ;0L1óÁµö«p% AÀºU̬ݵ¼á%霼€‡¯Á~`ÏG¯»À× ­²± =4ªnpð3¾¤³¯­ü¾¦îuÙuµÙ®|%2ÊIÿür¦#0·ÔJ``8È@S@5ê¢ ö×Þ^`8EÜ]ý.뜃Âç 7 ú ȉÞj œ½Dç zý¸iþœÑÙûÄë!ˆÞÀl§Ïw‹*DçI€nEX¯¬¼ &A¬Go¼QföõFç°¯;é¦÷îŽêJ°îúôF5¡ÌQ|îúöXªæ»TÁÏyñêï]ê² o óÎC=öõ›ÒÓPB@ D×½œä(>èCÂxŽ`±«Ÿ–JЀ»Û á¤±p+eE0`ëŽ`A Ú/NE€Ø†À9‚@¤à H½7”à‡%B‰`Àl*ƒó‘–‡8 2ñ%¸ —€:Ù1Á‰E¸àux%nP1ð!‘ðC)¾P81lÑɸF#ˆ€{´âé°ÈB„0>±û °b¡Š´±O‚3È–Ù()yRpbµ¨E.Z‘D8ÊH@% òŒx+%Ù˜Æcü »¸˜fõ¬b·d`Fê™8èXH"ÉÈ-±|1Ô6iI, 2““¬$+](A*jÐ QTÂo‰.ÛU슬Œã„Ž`¯SN¡–¶Äåyše¯ª’­¬‚´b¦Éož œ)åyâ@Ì®3 ÎtT̉°&Ø+žLÀf"Ø-|žçÔ>‡Ðv¦Ðžì\‚ Q1)Ž@Žh#aP72”ˆ™¨$‚ !ù " , =( …7IAXG]KgNgYvYxR"k\%w]'}hŽth%ˆg+ˆs%—r.—m3šx3˜x¨}9®€&©€+¨‡7§‰%¶†(¹–.¹œD¹&ǘ;Í•&ײ)×»4ïÌ6ò§KÍ þ@‘pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g «¬ E ±± ¨­¶°ººE Á´”·®C¬²§Ç¶Œ»ÓDÃÕƷ¯Ê±H½ºM×ÁGÚ¬D¶BËÁ½î½DÓôTÏÛßîG»ôõC×CÌ l&âž:'òtU³6ɹ#·Ø)€'Ü.6±&ëÍÈ» K(8p0N?!æ2"ÛˆNIJX>R¼ÐO‚M '¡¨2¸*Ÿþ>#n↠å@‚<[:¡Iïf’ ¤TÚ˘CdbÜÙ“[«ŽEú5MBo¤×@€`@„€Êt W-3 ¶Ÿ¡BíêäjIÝ…Eò9[T…$íêﯧ„…•s»Óȳ¹€ÅÚdc®UUρ#±Ùïldj?´í¼²`\ŽÁðÞu|3'ÖŒ]ë6 ¶S#²‡˜FKLÈ *N E´‘áäŠ$˜›eÄYD„ºq«.è촁ƒs \-ÔjA 9²õ÷å- üúM[Âx(ís÷ì®x€|í¡Ù’p¦‚ ŽkÛTÇDpE@WÜ ²Ç]kŠ1¨ þ€·Yb ÓÁ‰l°*n0 ç™—žzBdОu¾7ĉBl€â‰-ºx~|UåU‰  h*Hœ|e"#"?vpÄiŠe6^ˆ„+qâŠm8 #VÇá ‘å–ÄV„œ|Šè•m"сœn|@›U¶ÆΞ—Špb¥G¨ED”€±Úê2FÌIç? >Éxå Œ± ¡¤„%‘žjŸ‘ꄯ<Ìaà9ijÐ2˜D¦È&›†Z`‚å]wþ¼Â:ç6àB¤7eFJ|õÒ§Õ,¨äàFÇ®cS·Ê¶+B°,‘Þ˜ºNûãØ>PADÌHD¹æž«ÄÀnÌ¥}­#Ë’ë QÀÉSÌÂÇ2ÌXÀ{æk²lQÁ2«ÊðÀ¯w|2Í h‹ÄÂG€,m¾¶ë3ÐÙ6-´ÅE¬L°ÆIij*K½ÀÇqï`DwVÍQXœÚÔpeœ±¬Ñ q˜§Tœ½µƒ°Œìu Â<¶aØ*At¯lmEØ ü ôÛN[P1ÔÛ¦­±$ÜÆ@`ùåDpy¶yXvCAyåB`ŽD¶ 0QwG#¯ æš[^Äþ $ÀÓÝǦ{„L™[±úKÄgÌ;ï£S~¹ìGX.ôgoT.»åˆ°ùŸûù¡?1zö¦Ÿž:ÅgÁ|ìL¹ „®£œŠ‚à0œ]PÁ^p F<"•ç?!,ñ‡N4—…PÄ Á„ö¨Û:Tè@hÀ‹%táÿ:ø-žI<`þ‹p I….)^ 40D#p@ƒj4–؀:²‰1Øâr˜¼F2oW¼#Z†;$Q q” ‘ ÂK¦ñNl#29 !’F@¥Bh·ᏀL!—XFóLH‘Kh¤.«hE&JòG¨¥<™WN!€ÑÙÚˆY„@†>Œž19J" 2,/ &.GXB%ÌRÈ9B6¹W]’î×ÔW¥’IÎ$ ñ‹ÓŒE8YÆ ¼³™ñA5“à®Q.aŸB€&Ø©³ JÁ—! ¦t)K%tœ-¦JF bòNMxLôþ)ÐR¸Ð™‘ èÝ6‘O!THÌ„HÛ ‰ !ù ) , =( …AXKgNgYvYxR"k\%wh…hŽh%ˆg+ˆs%—r.—x3˜x¨}9®€&©€+¨Œ,©‡7§‰%¶†(¹–.¹5·&Çš)ǘ;Í•&×£*Ȳ)ׯ7×»4ï°3øÌ6ò‘HÖ§KÍ»Hó¯T÷¨Yÿ»qÿÇhÿ þÀ”pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g ª« E$±²¨ª­ · °²½$E$ÂÕ««D· Í ¿¦Ç¶¸ÌŒ¾³CÃÅÆ E ééH½MÛÂGâªD­ çBêêϾD²ÒaÀà€Š1r­ðÓ¤ ÔožzU!L˜C'¾yW½UGtäÇïÙllê0×àÂuGþ)AÀs[þ·xì ÁxO%ƒûX2ó—  P£n›R/¡ÑšHše+êDm?# —‘Ç£6¡8íJ¡ŸâDiäªM¥Ö„ôj“¬¹£5oQ7°- <‡ *´lãÓŒ2r/a!l)dÈ A™ÈE¢ôÔ͆…ð ;Ö˜c ¡%ß‚’Ùˆâ¸b½—pe~C"BíëÚHïeF2§æŠ8qb t_`urŠeü wÅu3êæPv§h•"ß`íÍxçLĹÜÖ3á  ~Öº“®›¸ÏMDfJÙ °„ÛµáWõ%§œ‚à©–‚X Ó؁)@®Ñ›Eþ´wëuÅSxb8y\mÖzœ¥§ZbºE—ÂLªÌw!y(>¡™wú=Ç|ÅÝs¢d €CÁW)HÜcC$€L Ä7„r.á\{)@ð` @ äXÈ$PD” `šaG:§æˆOˆ72EÐamn]ù"ŒcÊxÑŒ° &dR8`g«iÙŸLR!¦P …d’ä¡“¦ðÎTƒ¦ià|À _ ¥ Qi#¦Šg›Æ ›noMµ ›V ã£)p ç£ÎW…š=Âeªk§†j„ ´®1ß²sÉxéW«jšl|0¯B0Û, \jÛ´›6±¬¶C ÛíWþï|ëÙ‹¸ñzĸV {ì;Ýñn¼òVˆm³I¼³.Ðã¤PN¥ ²µ¼„µCã+¹ÍByî£Ñ¾HŸ›ëê 7ìYÆFTk¨SaoaY$Dµœìï¿Ã29RÈkt Çïfñ ÇÒ:ÀÐSp¹3ÇI¨â¥DZÄ ü9Ïýögñ½­uÔ*3)O‘˜Ö[_hv ,àî×Et Ÿé¶BH€ Õ[ü±64M@ÔSÌM7dÐl5-ÄÙU܍´©zߌ3Ô€3ž„ „ ¶ÛPô½5×g› êÚ˜kN„Ý…0Îj4€Ìë°“#{þÕ3S2çKÜ'ợlø¼Ú2K{° {Û¶?žm𸧠ËI¼nEò='êüóºè^üæÃ_Û=°óž‚ì#Oý¿Í'¡½áo..ÏYìnüñCœO±Áa¿¢Kô½o,üÄËbö²çºíï{ËC Ú— "”Ï{ËK ÍÒw„õ±Oz dÕ¨à:$ ƒô—«v»] A#ð «€¿šéz)Rx׿ˆ¥‚d``èw-îyÏf×K!ð€þ­Ð|ìPľ„=Ì`ý(f” 'Pa ¥ÐBJa%Ðâf§„%Š¡}FàáÝ×6>ÉäŠG"éŽè=ø!oŠ°^FP¼Ø©Q„ÀCÙÁ`(Ž\ÄÝ® ©Â$<n@dÄ E#ììUÒI! ‚#lù‹`k¦ÐÇ'Rró’ZýNBÈMF Í[¤+‹ðɈ-áwj¨¥þ8¾rá ,VÂh„"|½œ=×G_¦Ñ™EØ 0i*%̲˜Æda0mV‚k¾)›;„&6 p>ÓjK “¦Ç# âDÂ:ûc?:R Ó¬fÞéI-Ì“•Ã<ä=™Ï7˜3œ¨˜c2ŒW ,ˆ”8(T™P‰F¡Jhç"‚ ; 403WebShell
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�

q��g�G����ddlmZddlmZddlmZddlmZddlmZer*ddl	m
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ddlmZdd
lmZddlmZGd�dej(e�Zy)�)�annotations)�Any)�
TYPE_CHECKING�)�SchemaEventTarget�)�event)�Column)�
Constraint)�
SchemaItem)�Table)�
Connection)�ReflectedColumn)�	Inspectorc���eZdZdZdZeZ								dd�Z								dd�Z								dd�Z									dd�Z
						d
d�Z						d
d�Z						dd	�Z
								dd
�Zy)�	DDLEventsa;
    Define event listeners for schema objects,
    that is, :class:`.SchemaItem` and other :class:`.SchemaEventTarget`
    subclasses, including :class:`_schema.MetaData`, :class:`_schema.Table`,
    :class:`_schema.Column`, etc.

    **Create / Drop Events**

    Events emitted when CREATE and DROP commands are emitted to the database.
    The event hooks in this category include :meth:`.DDLEvents.before_create`,
    :meth:`.DDLEvents.after_create`, :meth:`.DDLEvents.before_drop`, and
    :meth:`.DDLEvents.after_drop`.

    These events are emitted when using schema-level methods such as
    :meth:`.MetaData.create_all` and :meth:`.MetaData.drop_all`. Per-object
    create/drop methods such as :meth:`.Table.create`, :meth:`.Table.drop`,
    :meth:`.Index.create` are also included, as well as dialect-specific
    methods such as :meth:`_postgresql.ENUM.create`.

    .. versionadded:: 2.0 :class:`.DDLEvents` event hooks now take place
       for non-table objects including constraints, indexes, and
       dialect-specific schema types.

    Event hooks may be attached directly to a :class:`_schema.Table` object or
    to a :class:`_schema.MetaData` collection, as well as to any
    :class:`.SchemaItem` class or object that can be individually created and
    dropped using a distinct SQL command. Such classes include :class:`.Index`,
    :class:`.Sequence`, and dialect-specific classes such as
    :class:`_postgresql.ENUM`.

    Example using the :meth:`.DDLEvents.after_create` event, where a custom
    event hook will emit an ``ALTER TABLE`` command on the current connection,
    after ``CREATE TABLE`` is emitted::

        from sqlalchemy import create_engine
        from sqlalchemy import event
        from sqlalchemy import Table, Column, Metadata, Integer

        m = MetaData()
        some_table = Table("some_table", m, Column("data", Integer))


        @event.listens_for(some_table, "after_create")
        def after_create(target, connection, **kw):
            connection.execute(
                text("ALTER TABLE %s SET name=foo_%s" % (target.name, target.name))
            )


        some_engine = create_engine("postgresql://scott:tiger@host/test")

        # will emit "CREATE TABLE some_table" as well as the above
        # "ALTER TABLE" statement afterwards
        m.create_all(some_engine)

    Constraint objects such as :class:`.ForeignKeyConstraint`,
    :class:`.UniqueConstraint`, :class:`.CheckConstraint` may also be
    subscribed to these events, however they will **not** normally produce
    events as these objects are usually rendered inline within an
    enclosing ``CREATE TABLE`` statement and implicitly dropped from a
    ``DROP TABLE`` statement.

    For the :class:`.Index` construct, the event hook will be emitted
    for ``CREATE INDEX``, however SQLAlchemy does not normally emit
    ``DROP INDEX`` when dropping tables as this is again implicit within the
    ``DROP TABLE`` statement.

    .. versionadded:: 2.0 Support for :class:`.SchemaItem` objects
       for create/drop events was expanded from its previous support for
       :class:`.MetaData` and :class:`.Table` to also include
       :class:`.Constraint` and all subclasses, :class:`.Index`,
       :class:`.Sequence` and some type-related constructs such as
       :class:`_postgresql.ENUM`.

    .. note:: These event hooks are only emitted within the scope of
       SQLAlchemy's create/drop methods; they are not necessarily supported
       by tools such as `alembic <https://alembic.sqlalchemy.org>`_.


    **Attachment Events**

    Attachment events are provided to customize
    behavior whenever a child schema element is associated
    with a parent, such as when a :class:`_schema.Column` is associated
    with its :class:`_schema.Table`, when a
    :class:`_schema.ForeignKeyConstraint`
    is associated with a :class:`_schema.Table`, etc.  These events include
    :meth:`.DDLEvents.before_parent_attach` and
    :meth:`.DDLEvents.after_parent_attach`.

    **Reflection Events**

    The :meth:`.DDLEvents.column_reflect` event is used to intercept
    and modify the in-Python definition of database columns when
    :term:`reflection` of database tables proceeds.

    **Use with Generic DDL**

    DDL events integrate closely with the
    :class:`.DDL` class and the :class:`.ExecutableDDLElement` hierarchy
    of DDL clause constructs, which are themselves appropriate
    as listener callables::

        from sqlalchemy import DDL

        event.listen(
            some_table,
            "after_create",
            DDL("ALTER TABLE %(table)s SET name=foo_%(table)s"),
        )

    **Event Propagation to MetaData Copies**

    For all :class:`.DDLEvent` events, the ``propagate=True`` keyword argument
    will ensure that a given event handler is propagated to copies of the
    object, which are made when using the :meth:`_schema.Table.to_metadata`
    method::

        from sqlalchemy import DDL

        metadata = MetaData()
        some_table = Table("some_table", metadata, Column("data", Integer))

        event.listen(
            some_table,
            "after_create",
            DDL("ALTER TABLE %(table)s SET name=foo_%(table)s"),
            propagate=True,
        )

        new_metadata = MetaData()
        new_table = some_table.to_metadata(new_metadata)

    The above :class:`.DDL` object will be associated with the
    :meth:`.DDLEvents.after_create` event for both the ``some_table`` and
    the ``new_table`` :class:`.Table` objects.

    .. seealso::

        :ref:`event_toplevel`

        :class:`.ExecutableDDLElement`

        :class:`.DDL`

        :ref:`schema_ddl_sequences`

    �SomeSchemaClassOrObjectc��y)a�Called before CREATE statements are emitted.

        :param target: the :class:`.SchemaObject`, such as a
         :class:`_schema.MetaData` or :class:`_schema.Table`
         but also including all create/drop objects such as
         :class:`.Index`, :class:`.Sequence`, etc.,
         object which is the target of the event.

         .. versionadded:: 2.0 Support for all :class:`.SchemaItem` objects
            was added.

        :param connection: the :class:`_engine.Connection` where the
         CREATE statement or statements will be emitted.
        :param \**kw: additional keyword arguments relevant
         to the event.  The contents of this dictionary
         may vary across releases, and include the
         list of tables being generated for a metadata-level
         event, the checkfirst flag, and other
         elements used by internal events.

        :func:`.event.listen` accepts the ``propagate=True``
        modifier for this event; when True, the listener function will
        be established for any copies made of the target object,
        i.e. those copies that are generated when
        :meth:`_schema.Table.to_metadata` is used.

        :func:`.event.listen` accepts the ``insert=True``
        modifier for this event; when True, the listener function will
        be prepended to the internal list of events upon discovery, and execute
        before registered listener functions that do not pass this argument.

        N���self�target�
connection�kws    �F/opt/hc_python/lib64/python3.12/site-packages/sqlalchemy/sql/events.py�
before_createzDDLEvents.before_create����c��y)a�Called after CREATE statements are emitted.

        :param target: the :class:`.SchemaObject`, such as a
         :class:`_schema.MetaData` or :class:`_schema.Table`
         but also including all create/drop objects such as
         :class:`.Index`, :class:`.Sequence`, etc.,
         object which is the target of the event.

         .. versionadded:: 2.0 Support for all :class:`.SchemaItem` objects
            was added.

        :param connection: the :class:`_engine.Connection` where the
         CREATE statement or statements have been emitted.
        :param \**kw: additional keyword arguments relevant
         to the event.  The contents of this dictionary
         may vary across releases, and include the
         list of tables being generated for a metadata-level
         event, the checkfirst flag, and other
         elements used by internal events.

        :func:`.event.listen` also accepts the ``propagate=True``
        modifier for this event; when True, the listener function will
        be established for any copies made of the target object,
        i.e. those copies that are generated when
        :meth:`_schema.Table.to_metadata` is used.

        Nrrs    r�after_createzDDLEvents.after_create�rrc��y)a�Called before DROP statements are emitted.

        :param target: the :class:`.SchemaObject`, such as a
         :class:`_schema.MetaData` or :class:`_schema.Table`
         but also including all create/drop objects such as
         :class:`.Index`, :class:`.Sequence`, etc.,
         object which is the target of the event.

         .. versionadded:: 2.0 Support for all :class:`.SchemaItem` objects
            was added.

        :param connection: the :class:`_engine.Connection` where the
         DROP statement or statements will be emitted.
        :param \**kw: additional keyword arguments relevant
         to the event.  The contents of this dictionary
         may vary across releases, and include the
         list of tables being generated for a metadata-level
         event, the checkfirst flag, and other
         elements used by internal events.

        :func:`.event.listen` also accepts the ``propagate=True``
        modifier for this event; when True, the listener function will
        be established for any copies made of the target object,
        i.e. those copies that are generated when
        :meth:`_schema.Table.to_metadata` is used.

        Nrrs    r�before_dropzDDLEvents.before_drop�rrc��y)a�Called after DROP statements are emitted.

        :param target: the :class:`.SchemaObject`, such as a
         :class:`_schema.MetaData` or :class:`_schema.Table`
         but also including all create/drop objects such as
         :class:`.Index`, :class:`.Sequence`, etc.,
         object which is the target of the event.

         .. versionadded:: 2.0 Support for all :class:`.SchemaItem` objects
            was added.

        :param connection: the :class:`_engine.Connection` where the
         DROP statement or statements have been emitted.
        :param \**kw: additional keyword arguments relevant
         to the event.  The contents of this dictionary
         may vary across releases, and include the
         list of tables being generated for a metadata-level
         event, the checkfirst flag, and other
         elements used by internal events.

        :func:`.event.listen` also accepts the ``propagate=True``
        modifier for this event; when True, the listener function will
        be established for any copies made of the target object,
        i.e. those copies that are generated when
        :meth:`_schema.Table.to_metadata` is used.

        Nrrs    r�
after_dropzDDLEvents.after_droprrc��y)aCalled before a :class:`.SchemaItem` is associated with
        a parent :class:`.SchemaItem`.

        :param target: the target object
        :param parent: the parent to which the target is being attached.

        :func:`.event.listen` also accepts the ``propagate=True``
        modifier for this event; when True, the listener function will
        be established for any copies made of the target object,
        i.e. those copies that are generated when
        :meth:`_schema.Table.to_metadata` is used.

        Nr�rr�parents   r�before_parent_attachzDDLEvents.before_parent_attach4rrc��y)a
Called after a :class:`.SchemaItem` is associated with
        a parent :class:`.SchemaItem`.

        :param target: the target object
        :param parent: the parent to which the target is being attached.

        :func:`.event.listen` also accepts the ``propagate=True``
        modifier for this event; when True, the listener function will
        be established for any copies made of the target object,
        i.e. those copies that are generated when
        :meth:`_schema.Table.to_metadata` is used.

        Nrr&s   r�after_parent_attachzDDLEvents.after_parent_attachErrc��y)zUinternal event hook used for primary key naming convention
        updates.

        Nr)r�const�cols   r�'_sa_event_column_added_to_pk_constraintz1DDLEvents._sa_event_column_added_to_pk_constraintVrrc��y)a�Called for each unit of 'column info' retrieved when
        a :class:`_schema.Table` is being reflected.

        This event is most easily used by applying it to a specific
        :class:`_schema.MetaData` instance, where it will take effect for
        all :class:`_schema.Table` objects within that
        :class:`_schema.MetaData` that undergo reflection::

            metadata = MetaData()


            @event.listens_for(metadata, "column_reflect")
            def receive_column_reflect(inspector, table, column_info):
                # receives for all Table objects that are reflected
                # under this MetaData
                ...


            # will use the above event hook
            my_table = Table("my_table", metadata, autoload_with=some_engine)

        .. versionadded:: 1.4.0b2 The :meth:`_events.DDLEvents.column_reflect`
           hook may now be applied to a :class:`_schema.MetaData` object as
           well as the :class:`_schema.MetaData` class itself where it will
           take place for all :class:`_schema.Table` objects associated with
           the targeted :class:`_schema.MetaData`.

        It may also be applied to the :class:`_schema.Table` class across
        the board::

            from sqlalchemy import Table


            @event.listens_for(Table, "column_reflect")
            def receive_column_reflect(inspector, table, column_info):
                # receives for all Table objects that are reflected
                ...

        It can also be applied to a specific :class:`_schema.Table` at the
        point that one is being reflected using the
        :paramref:`_schema.Table.listeners` parameter::

            t1 = Table(
                "my_table",
                autoload_with=some_engine,
                listeners=[("column_reflect", receive_column_reflect)],
            )

        The dictionary of column information as returned by the
        dialect is passed, and can be modified.  The dictionary
        is that returned in each element of the list returned
        by :meth:`.reflection.Inspector.get_columns`:

            * ``name`` - the column's name, is applied to the
              :paramref:`_schema.Column.name` parameter

            * ``type`` - the type of this column, which should be an instance
              of :class:`~sqlalchemy.types.TypeEngine`, is applied to the
              :paramref:`_schema.Column.type` parameter

            * ``nullable`` - boolean flag if the column is NULL or NOT NULL,
              is applied to the :paramref:`_schema.Column.nullable` parameter

            * ``default`` - the column's server default value.  This is
              normally specified as a plain string SQL expression, however the
              event can pass a :class:`.FetchedValue`, :class:`.DefaultClause`,
              or :func:`_expression.text` object as well.  Is applied to the
              :paramref:`_schema.Column.server_default` parameter

        The event is called before any action is taken against
        this dictionary, and the contents can be modified; the following
        additional keys may be added to the dictionary to further modify
        how the :class:`_schema.Column` is constructed:


            * ``key`` - the string key that will be used to access this
              :class:`_schema.Column` in the ``.c`` collection; will be applied
              to the :paramref:`_schema.Column.key` parameter. Is also used
              for ORM mapping.  See the section
              :ref:`mapper_automated_reflection_schemes` for an example.

            * ``quote`` - force or un-force quoting on the column name;
              is applied to the :paramref:`_schema.Column.quote` parameter.

            * ``info`` - a dictionary of arbitrary data to follow along with
              the :class:`_schema.Column`, is applied to the
              :paramref:`_schema.Column.info` parameter.

        :func:`.event.listen` also accepts the ``propagate=True``
        modifier for this event; when True, the listener function will
        be established for any copies made of the target object,
        i.e. those copies that are generated when
        :meth:`_schema.Table.to_metadata` is used.

        .. seealso::

            :ref:`mapper_automated_reflection_schemes` -
            in the ORM mapping documentation

            :ref:`automap_intercepting_columns` -
            in the :ref:`automap_toplevel` documentation

            :ref:`metadata_reflection_dbagnostic_types` - in
            the :ref:`metadata_reflection_toplevel` documentation

        Nr)r�	inspector�table�column_infos    r�column_reflectzDDLEvents.column_reflect^rrN)rrrrrr�return�None)rrr'rr4r5)r,rr-zColumn[Any]r4r5)r0rr1r
r2rr4r5)�__name__�
__module__�__qualname__�__doc__�_target_class_docr�_dispatch_targetrr r"r$r(r*r.r3rrrrrs-��S�j2��(��"�'�"�5?�"�GJ�"�	
�"�H�'��5?��GJ��	
��>�'��5?��GJ��	
��>�'��5?��GJ��	
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�lrrN)�
__future__r�typingrr�baser�r	�schemar
rrr
�engine.baser�engine.interfacesr�engine.reflectionr�Eventsrrrr�<module>rEsF��#�� �#����"�"��(�3�-�p����.�/�pr

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