Re: Oracke BLOB to Postgres BYTEA using ora2pg

Hi,

 

We try to migrate from oracle to postgres using ora2pg but we hit some weird behavior of bytea. Or it’s just our ignorance.

Table migration were ok, but we are not able to read bytea data. What we did wrong.

 

Thank you for your help,

JM

 

nipjd=> \d alf_node_properties_zaloha

                  Table "nip_dms.alf_node_properties_zaloha"

       Column       |          Type           | Collation | Nullable | Default

--------------------+-------------------------+-----------+----------+---------

node_id            | bigint                  |           |          |

actual_type_n      | integer                 |           |          |

persisted_type_n   | integer                 |           |          |

boolean_value      | boolean                 |           |          |

long_value         | bigint                  |           |          |

float_value        | real                    |           |          |

double_value       | double precision        |           |          |

string_value       | character varying(1024) |           |          |

serializable_value | bytea                   |           |          |

qname_id           | bigint                  |           |          |

list_index         | integer                 |           |          |

locale_id          | bigint                  |           |          |

 

 

nipjd=> select distinct (serializable_value) from alf_node_properties_zaloha where serializable_value is not null;

                                                                                                                                                                                                                       serializable_value

---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

\x6465636f6465284527616365643030303537653732303032633666373236373265363136633636373236353733363336663265373336353732373636393633363532653633366437323265373636353732373336393666366532653536363537323733363936663665353437393730363530303030

\x6465636f6465284527616365643030303537333732303031333661363137363631326537353734363936633265343137323732363137393463363937333734373838316432316439396337363139643033303030313439303030343733363937613635373837303030303030303030373730343030

\x6465636f6465284527616365643030303537333732303032633666373236373265363136633636373236353733363336663265373236353730366632653664366636343735366336353265346436663634373536633635353636353732373336393666366534653735366436323635373237373437

\x6465636f6465284527616365643030303537333732303032633666373236373265363136633636373236353733363336663265373236353730366632653664366636343735366336353265346436663634373536633635353636353732373336393666366534653735366436323635373237373437

\x6465636f6465284527616365643030303537333732303032633666373236373265363136633636373236353733363336663265373236353730366632653664366636343735366336353265346436663634373536633635353636353732373336393666366534653735366436323635373237373437

\x6465636f6465284527616365643030303537653732303032633666373236373265363136633636373236353733363336663265373336353732373636393633363532653633366437323265373636353732373336393666366532653536363537323733363936663665353437393730363530303030

(6 rows)

 

 

nipjd=> select distinct encode(serializable_value, 'hex') from alf_node_properties_zaloha where serializable_value is not null;

                                                                                                                                                                                                                            encode

---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

6465636f646528452761636564303030353733373230303263366637323637326536313663363637323635373336333666326537323635373036663265366436663634373536633635326534643666363437353663363535363635373237333639366636653465373536643632363537323737343733

6465636f646528452761636564303030353733373230303263366637323637326536313663363637323635373336333666326537323635373036663265366436663634373536633635326534643666363437353663363535363635373237333639366636653465373536643632363537323737343733

6465636f646528452761636564303030353765373230303263366637323637326536313663363637323635373336333666326537333635373237363639363336353265363336643732326537363635373237333639366636653265353636353732373336393666366535343739373036353030303030

6465636f646528452761636564303030353733373230303263366637323637326536313663363637323635373336333666326537323635373036663265366436663634373536633635326534643666363437353663363535363635373237333639366636653465373536643632363537323737343733

6465636f646528452761636564303030353765373230303263366637323637326536313663363637323635373336333666326537333635373237363639363336353265363336643732326537363635373237333639366636653265353636353732373336393666366535343739373036353030303030

6465636f646528452761636564303030353733373230303133366136313736363132653735373436393663326534313732373236313739346336393733373437383831643231643939633736313964303330303031343930303034373336393761363537383730303030303030303037373034303030

(6 rows)

 

 

nipjd=> select distinct encode(serializable_value, 'escape') from alf_node_properties_zaloha where serializable_value is not null;

                                                                                                             encode

--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

decode(E'aced00057e72002c6f72672e616c66726573636f2e736572766963652e636d722e76657273696f6e2e56657273696f6e5479706500000000000000001200007872000e6a6176612e6c616e672e456e756d000000000000000012000078707400054d494e4f52', 'hex')

decode(E'aced0005737200136a6176612e7574696c2e41727261794c6973747881d21d99c7619d03000149000473697a6578700000000077040000000078', 'hex')

decode(E'aced00057372002c6f72672e616c66726573636f2e7265706f2e6d6f64756c652e4d6f64756c6556657273696f6e4e756d62657277473de5d9c7c28c0c000078707710000e312e322e3132313232373031343378', 'hex')

decode(E'aced00057372002c6f72672e616c66726573636f2e7265706f2e6d6f64756c652e4d6f64756c6556657273696f6e4e756d62657277473de5d9c7c28c0c000078707710000e322e302e3134303732383033323278', 'hex')

decode(E'aced00057372002c6f72672e616c66726573636f2e7265706f2e6d6f64756c652e4d6f64756c6556657273696f6e4e756d62657277473de5d9c7c28c0c0000787077050003312e3078', 'hex')

decode(E'aced00057e72002c6f72672e616c66726573636f2e736572766963652e636d722e76657273696f6e2e56657273696f6e5479706500000000000000001200007872000e6a6176612e6c616e672e456e756d000000000000000012000078707400054d414a4f52', 'hex')

(6 rows)

 

nipjd=>

 

Obsah této zprávy má výlučně komunikační charakter. Nepředstavuje návrh na uzavření smlouvy či na její změnu ani přijetí případného návrhu. Smlouvy či jejich změny jsou společností Česká telekomunikační infrastruktura a.s. uzavírány v písemné formě nebo v podobě a postupem podle příslušných všeobecných podmínek společnosti Česká telekomunikační infrastruktura a.s., a pokud jsou dohodnuty všechny náležitosti. Smlouvy jsou uzavírány oprávněnou osobou na základě písemného pověření. Smlouvy o smlouvě budoucí jsou uzavírány výhradně v písemné formě, vlastnoručně podepsané nebo s uznávaným elektronickým podpisem. Podmínky, za nichž Česká telekomunikační infrastruktura a.s. přistupuje k jednání o smlouvě a jakými se řídí, jsou dostupné zde.

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