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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Current File : /opt/hc_python/lib64/python3.12/site-packages/alembic/testing/suite/test_autogen_fks.py
from sqlalchemy import Column
from sqlalchemy import ForeignKeyConstraint
from sqlalchemy import Integer
from sqlalchemy import MetaData
from sqlalchemy import String
from sqlalchemy import Table

from ._autogen_fixtures import AutogenFixtureTest
from ...testing import combinations
from ...testing import config
from ...testing import eq_
from ...testing import mock
from ...testing import TestBase


class AutogenerateForeignKeysTest(AutogenFixtureTest, TestBase):
    __backend__ = True
    __requires__ = ("foreign_key_constraint_reflection",)

    def test_remove_fk(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("test", String(10), primary_key=True),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("test2", String(10)),
            ForeignKeyConstraint(["test2"], ["some_table.test"]),
        )

        Table(
            "some_table",
            m2,
            Column("test", String(10), primary_key=True),
        )

        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("test2", String(10)),
        )

        diffs = self._fixture(m1, m2)

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["test2"],
            "some_table",
            ["test"],
            conditional_name="servergenerated",
        )

    def test_add_fk(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("id", Integer, primary_key=True),
            Column("test", String(10)),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("test2", String(10)),
        )

        Table(
            "some_table",
            m2,
            Column("id", Integer, primary_key=True),
            Column("test", String(10)),
        )

        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("test2", String(10)),
            ForeignKeyConstraint(["test2"], ["some_table.test"]),
        )

        diffs = self._fixture(m1, m2)

        self._assert_fk_diff(
            diffs[0], "add_fk", "user", ["test2"], "some_table", ["test"]
        )

    def test_no_change(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("id", Integer, primary_key=True),
            Column("test", String(10)),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("test2", Integer),
            ForeignKeyConstraint(["test2"], ["some_table.id"]),
        )

        Table(
            "some_table",
            m2,
            Column("id", Integer, primary_key=True),
            Column("test", String(10)),
        )

        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("test2", Integer),
            ForeignKeyConstraint(["test2"], ["some_table.id"]),
        )

        diffs = self._fixture(m1, m2)

        eq_(diffs, [])

    def test_no_change_composite_fk(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("id_1", String(10), primary_key=True),
            Column("id_2", String(10), primary_key=True),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("other_id_1", String(10)),
            Column("other_id_2", String(10)),
            ForeignKeyConstraint(
                ["other_id_1", "other_id_2"],
                ["some_table.id_1", "some_table.id_2"],
            ),
        )

        Table(
            "some_table",
            m2,
            Column("id_1", String(10), primary_key=True),
            Column("id_2", String(10), primary_key=True),
        )

        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("other_id_1", String(10)),
            Column("other_id_2", String(10)),
            ForeignKeyConstraint(
                ["other_id_1", "other_id_2"],
                ["some_table.id_1", "some_table.id_2"],
            ),
        )

        diffs = self._fixture(m1, m2)

        eq_(diffs, [])

    def test_casing_convention_changed_so_put_drops_first(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("test", String(10), primary_key=True),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("test2", String(10)),
            ForeignKeyConstraint(["test2"], ["some_table.test"], name="MyFK"),
        )

        Table(
            "some_table",
            m2,
            Column("test", String(10), primary_key=True),
        )

        # foreign key autogen currently does not take "name" into account,
        # so change the def just for the purposes of testing the
        # add/drop order for now.
        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("test2", String(10)),
            ForeignKeyConstraint(["a1"], ["some_table.test"], name="myfk"),
        )

        diffs = self._fixture(m1, m2)

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["test2"],
            "some_table",
            ["test"],
            name="MyFK" if config.requirements.fk_names.enabled else None,
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["a1"],
            "some_table",
            ["test"],
            name="myfk",
        )

    def test_add_composite_fk_with_name(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("id_1", String(10), primary_key=True),
            Column("id_2", String(10), primary_key=True),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("other_id_1", String(10)),
            Column("other_id_2", String(10)),
        )

        Table(
            "some_table",
            m2,
            Column("id_1", String(10), primary_key=True),
            Column("id_2", String(10), primary_key=True),
        )

        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("other_id_1", String(10)),
            Column("other_id_2", String(10)),
            ForeignKeyConstraint(
                ["other_id_1", "other_id_2"],
                ["some_table.id_1", "some_table.id_2"],
                name="fk_test_name",
            ),
        )

        diffs = self._fixture(m1, m2)
        self._assert_fk_diff(
            diffs[0],
            "add_fk",
            "user",
            ["other_id_1", "other_id_2"],
            "some_table",
            ["id_1", "id_2"],
            name="fk_test_name",
        )

    @config.requirements.no_name_normalize
    def test_remove_composite_fk(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("id_1", String(10), primary_key=True),
            Column("id_2", String(10), primary_key=True),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("other_id_1", String(10)),
            Column("other_id_2", String(10)),
            ForeignKeyConstraint(
                ["other_id_1", "other_id_2"],
                ["some_table.id_1", "some_table.id_2"],
                name="fk_test_name",
            ),
        )

        Table(
            "some_table",
            m2,
            Column("id_1", String(10), primary_key=True),
            Column("id_2", String(10), primary_key=True),
        )

        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("other_id_1", String(10)),
            Column("other_id_2", String(10)),
        )

        diffs = self._fixture(m1, m2)

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["other_id_1", "other_id_2"],
            "some_table",
            ["id_1", "id_2"],
            conditional_name="fk_test_name",
        )

    def test_add_fk_colkeys(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("id_1", String(10), primary_key=True),
            Column("id_2", String(10), primary_key=True),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("other_id_1", String(10)),
            Column("other_id_2", String(10)),
        )

        Table(
            "some_table",
            m2,
            Column("id_1", String(10), key="tid1", primary_key=True),
            Column("id_2", String(10), key="tid2", primary_key=True),
        )

        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("other_id_1", String(10), key="oid1"),
            Column("other_id_2", String(10), key="oid2"),
            ForeignKeyConstraint(
                ["oid1", "oid2"],
                ["some_table.tid1", "some_table.tid2"],
                name="fk_test_name",
            ),
        )

        diffs = self._fixture(m1, m2)

        self._assert_fk_diff(
            diffs[0],
            "add_fk",
            "user",
            ["other_id_1", "other_id_2"],
            "some_table",
            ["id_1", "id_2"],
            name="fk_test_name",
        )

    def test_no_change_colkeys(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("id_1", String(10), primary_key=True),
            Column("id_2", String(10), primary_key=True),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("other_id_1", String(10)),
            Column("other_id_2", String(10)),
            ForeignKeyConstraint(
                ["other_id_1", "other_id_2"],
                ["some_table.id_1", "some_table.id_2"],
            ),
        )

        Table(
            "some_table",
            m2,
            Column("id_1", String(10), key="tid1", primary_key=True),
            Column("id_2", String(10), key="tid2", primary_key=True),
        )

        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("other_id_1", String(10), key="oid1"),
            Column("other_id_2", String(10), key="oid2"),
            ForeignKeyConstraint(
                ["oid1", "oid2"], ["some_table.tid1", "some_table.tid2"]
            ),
        )

        diffs = self._fixture(m1, m2)

        eq_(diffs, [])


class IncludeHooksTest(AutogenFixtureTest, TestBase):
    __backend__ = True
    __requires__ = ("fk_names",)

    @combinations(("object",), ("name",))
    @config.requirements.no_name_normalize
    def test_remove_connection_fk(self, hook_type):
        m1 = MetaData()
        m2 = MetaData()

        ref = Table(
            "ref",
            m1,
            Column("id", Integer, primary_key=True),
        )
        t1 = Table(
            "t",
            m1,
            Column("x", Integer),
            Column("y", Integer),
        )
        t1.append_constraint(
            ForeignKeyConstraint([t1.c.x], [ref.c.id], name="fk1")
        )
        t1.append_constraint(
            ForeignKeyConstraint([t1.c.y], [ref.c.id], name="fk2")
        )

        ref = Table(
            "ref",
            m2,
            Column("id", Integer, primary_key=True),
        )
        Table(
            "t",
            m2,
            Column("x", Integer),
            Column("y", Integer),
        )

        if hook_type == "object":

            def include_object(object_, name, type_, reflected, compare_to):
                return not (
                    isinstance(object_, ForeignKeyConstraint)
                    and type_ == "foreign_key_constraint"
                    and reflected
                    and name == "fk1"
                )

            diffs = self._fixture(m1, m2, object_filters=include_object)
        elif hook_type == "name":

            def include_name(name, type_, parent_names):
                if name == "fk1":
                    if type_ == "index":  # MariaDB thing
                        return True
                    eq_(type_, "foreign_key_constraint")
                    eq_(
                        parent_names,
                        {
                            "schema_name": None,
                            "table_name": "t",
                            "schema_qualified_table_name": "t",
                        },
                    )
                    return False
                else:
                    return True

            diffs = self._fixture(m1, m2, name_filters=include_name)

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "t",
            ["y"],
            "ref",
            ["id"],
            conditional_name="fk2",
        )
        eq_(len(diffs), 1)

    def test_add_metadata_fk(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "ref",
            m1,
            Column("id", Integer, primary_key=True),
        )
        Table(
            "t",
            m1,
            Column("x", Integer),
            Column("y", Integer),
        )

        ref = Table(
            "ref",
            m2,
            Column("id", Integer, primary_key=True),
        )
        t2 = Table(
            "t",
            m2,
            Column("x", Integer),
            Column("y", Integer),
        )
        t2.append_constraint(
            ForeignKeyConstraint([t2.c.x], [ref.c.id], name="fk1")
        )
        t2.append_constraint(
            ForeignKeyConstraint([t2.c.y], [ref.c.id], name="fk2")
        )

        def include_object(object_, name, type_, reflected, compare_to):
            return not (
                isinstance(object_, ForeignKeyConstraint)
                and type_ == "foreign_key_constraint"
                and not reflected
                and name == "fk1"
            )

        diffs = self._fixture(m1, m2, object_filters=include_object)

        self._assert_fk_diff(
            diffs[0], "add_fk", "t", ["y"], "ref", ["id"], name="fk2"
        )
        eq_(len(diffs), 1)

    @combinations(("object",), ("name",))
    @config.requirements.no_name_normalize
    def test_change_fk(self, hook_type):
        m1 = MetaData()
        m2 = MetaData()

        r1a = Table(
            "ref_a",
            m1,
            Column("a", Integer, primary_key=True),
        )
        Table(
            "ref_b",
            m1,
            Column("a", Integer, primary_key=True),
            Column("b", Integer, primary_key=True),
        )
        t1 = Table(
            "t",
            m1,
            Column("x", Integer),
            Column("y", Integer),
            Column("z", Integer),
        )
        t1.append_constraint(
            ForeignKeyConstraint([t1.c.x], [r1a.c.a], name="fk1")
        )
        t1.append_constraint(
            ForeignKeyConstraint([t1.c.y], [r1a.c.a], name="fk2")
        )

        Table(
            "ref_a",
            m2,
            Column("a", Integer, primary_key=True),
        )
        r2b = Table(
            "ref_b",
            m2,
            Column("a", Integer, primary_key=True),
            Column("b", Integer, primary_key=True),
        )
        t2 = Table(
            "t",
            m2,
            Column("x", Integer),
            Column("y", Integer),
            Column("z", Integer),
        )
        t2.append_constraint(
            ForeignKeyConstraint(
                [t2.c.x, t2.c.z], [r2b.c.a, r2b.c.b], name="fk1"
            )
        )
        t2.append_constraint(
            ForeignKeyConstraint(
                [t2.c.y, t2.c.z], [r2b.c.a, r2b.c.b], name="fk2"
            )
        )

        if hook_type == "object":

            def include_object(object_, name, type_, reflected, compare_to):
                return not (
                    isinstance(object_, ForeignKeyConstraint)
                    and type_ == "foreign_key_constraint"
                    and name == "fk1"
                )

            diffs = self._fixture(m1, m2, object_filters=include_object)
        elif hook_type == "name":

            def include_name(name, type_, parent_names):
                if type_ == "index":
                    return True  # MariaDB thing

                if name == "fk1":
                    eq_(type_, "foreign_key_constraint")
                    eq_(
                        parent_names,
                        {
                            "schema_name": None,
                            "table_name": "t",
                            "schema_qualified_table_name": "t",
                        },
                    )
                    return False
                else:
                    return True

            diffs = self._fixture(m1, m2, name_filters=include_name)

        if hook_type == "object":
            self._assert_fk_diff(
                diffs[0], "remove_fk", "t", ["y"], "ref_a", ["a"], name="fk2"
            )
            self._assert_fk_diff(
                diffs[1],
                "add_fk",
                "t",
                ["y", "z"],
                "ref_b",
                ["a", "b"],
                name="fk2",
            )
            eq_(len(diffs), 2)
        elif hook_type == "name":
            eq_(
                {(d[0], d[1].name) for d in diffs},
                {("add_fk", "fk2"), ("add_fk", "fk1"), ("remove_fk", "fk2")},
            )


class AutogenerateFKOptionsTest(AutogenFixtureTest, TestBase):
    __backend__ = True

    def _fk_opts_fixture(self, old_opts, new_opts):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("id", Integer, primary_key=True),
            Column("test", String(10)),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("tid", Integer),
            ForeignKeyConstraint(["tid"], ["some_table.id"], **old_opts),
        )

        Table(
            "some_table",
            m2,
            Column("id", Integer, primary_key=True),
            Column("test", String(10)),
        )

        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("tid", Integer),
            ForeignKeyConstraint(["tid"], ["some_table.id"], **new_opts),
        )

        return self._fixture(m1, m2)

    @config.requirements.fk_ondelete_is_reflected
    def test_add_ondelete(self):
        diffs = self._fk_opts_fixture({}, {"ondelete": "cascade"})

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            ondelete=None,
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            ondelete="cascade",
        )

    @config.requirements.fk_ondelete_is_reflected
    def test_remove_ondelete(self):
        diffs = self._fk_opts_fixture({"ondelete": "CASCADE"}, {})

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            ondelete="CASCADE",
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            ondelete=None,
        )

    def test_nochange_ondelete(self):
        """test case sensitivity"""
        diffs = self._fk_opts_fixture(
            {"ondelete": "caSCAde"}, {"ondelete": "CasCade"}
        )
        eq_(diffs, [])

    @config.requirements.fk_onupdate_is_reflected
    def test_add_onupdate(self):
        diffs = self._fk_opts_fixture({}, {"onupdate": "cascade"})

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate=None,
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate="cascade",
        )

    @config.requirements.fk_onupdate_is_reflected
    def test_remove_onupdate(self):
        diffs = self._fk_opts_fixture({"onupdate": "CASCADE"}, {})

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate="CASCADE",
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate=None,
        )

    @config.requirements.fk_onupdate
    def test_nochange_onupdate(self):
        """test case sensitivity"""
        diffs = self._fk_opts_fixture(
            {"onupdate": "caSCAde"}, {"onupdate": "CasCade"}
        )
        eq_(diffs, [])

    @config.requirements.fk_ondelete_restrict
    def test_nochange_ondelete_restrict(self):
        """test the RESTRICT option which MySQL doesn't report on"""

        diffs = self._fk_opts_fixture(
            {"ondelete": "restrict"}, {"ondelete": "restrict"}
        )
        eq_(diffs, [])

    @config.requirements.fk_onupdate_restrict
    def test_nochange_onupdate_restrict(self):
        """test the RESTRICT option which MySQL doesn't report on"""

        diffs = self._fk_opts_fixture(
            {"onupdate": "restrict"}, {"onupdate": "restrict"}
        )
        eq_(diffs, [])

    @config.requirements.fk_ondelete_noaction
    def test_nochange_ondelete_noaction(self):
        """test the NO ACTION option which generally comes back as None"""

        diffs = self._fk_opts_fixture(
            {"ondelete": "no action"}, {"ondelete": "no action"}
        )
        eq_(diffs, [])

    @config.requirements.fk_onupdate
    def test_nochange_onupdate_noaction(self):
        """test the NO ACTION option which generally comes back as None"""

        diffs = self._fk_opts_fixture(
            {"onupdate": "no action"}, {"onupdate": "no action"}
        )
        eq_(diffs, [])

    @config.requirements.fk_ondelete_restrict
    def test_change_ondelete_from_restrict(self):
        """test the RESTRICT option which MySQL doesn't report on"""

        # note that this is impossible to detect if we change
        # from RESTRICT to NO ACTION on MySQL.
        diffs = self._fk_opts_fixture(
            {"ondelete": "restrict"}, {"ondelete": "cascade"}
        )
        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate=None,
            ondelete=mock.ANY,  # MySQL reports None, PG reports RESTRICT
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate=None,
            ondelete="cascade",
        )

    @config.requirements.fk_ondelete_restrict
    def test_change_onupdate_from_restrict(self):
        """test the RESTRICT option which MySQL doesn't report on"""

        # note that this is impossible to detect if we change
        # from RESTRICT to NO ACTION on MySQL.
        diffs = self._fk_opts_fixture(
            {"onupdate": "restrict"}, {"onupdate": "cascade"}
        )
        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate=mock.ANY,  # MySQL reports None, PG reports RESTRICT
            ondelete=None,
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate="cascade",
            ondelete=None,
        )

    @config.requirements.fk_ondelete_is_reflected
    @config.requirements.fk_onupdate_is_reflected
    def test_ondelete_onupdate_combo(self):
        diffs = self._fk_opts_fixture(
            {"onupdate": "CASCADE", "ondelete": "SET NULL"},
            {"onupdate": "RESTRICT", "ondelete": "RESTRICT"},
        )

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate="CASCADE",
            ondelete="SET NULL",
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate="RESTRICT",
            ondelete="RESTRICT",
        )

    @config.requirements.fk_initially
    def test_add_initially_deferred(self):
        diffs = self._fk_opts_fixture({}, {"initially": "deferred"})

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            initially=None,
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            initially="deferred",
        )

    @config.requirements.fk_initially
    def test_remove_initially_deferred(self):
        diffs = self._fk_opts_fixture({"initially": "deferred"}, {})

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            initially="DEFERRED",
            deferrable=True,
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            initially=None,
        )

    @config.requirements.fk_deferrable
    @config.requirements.fk_initially
    def test_add_initially_immediate_plus_deferrable(self):
        diffs = self._fk_opts_fixture(
            {}, {"initially": "immediate", "deferrable": True}
        )

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            initially=None,
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            initially="immediate",
            deferrable=True,
        )

    @config.requirements.fk_deferrable
    @config.requirements.fk_initially
    def test_remove_initially_immediate_plus_deferrable(self):
        diffs = self._fk_opts_fixture(
            {"initially": "immediate", "deferrable": True}, {}
        )

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            initially=None,  # immediate is the default
            deferrable=True,
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            initially=None,
            deferrable=None,
        )

    @config.requirements.fk_initially
    @config.requirements.fk_deferrable
    def test_add_initially_deferrable_nochange_one(self):
        diffs = self._fk_opts_fixture(
            {"deferrable": True, "initially": "immediate"},
            {"deferrable": True, "initially": "immediate"},
        )

        eq_(diffs, [])

    @config.requirements.fk_initially
    @config.requirements.fk_deferrable
    def test_add_initially_deferrable_nochange_two(self):
        diffs = self._fk_opts_fixture(
            {"deferrable": True, "initially": "deferred"},
            {"deferrable": True, "initially": "deferred"},
        )

        eq_(diffs, [])

    @config.requirements.fk_initially
    @config.requirements.fk_deferrable
    def test_add_initially_deferrable_nochange_three(self):
        diffs = self._fk_opts_fixture(
            {"deferrable": None, "initially": "deferred"},
            {"deferrable": None, "initially": "deferred"},
        )

        eq_(diffs, [])

    @config.requirements.fk_deferrable
    def test_add_deferrable(self):
        diffs = self._fk_opts_fixture({}, {"deferrable": True})

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            deferrable=None,
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            deferrable=True,
        )

    @config.requirements.fk_deferrable_is_reflected
    def test_remove_deferrable(self):
        diffs = self._fk_opts_fixture({"deferrable": True}, {})

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            deferrable=True,
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            deferrable=None,
        )

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