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Tibero6 to Tibero7 GIS column tbimport hang issue document type failure resolution

Document Type | TroubleShooting 

Field | Migration

Applicable Product Version | 7FS02PS

Document Number | TMITS001

 

Issue

When performing tbexport/tbimport from Tibero 6 with a specific patch to Tibero 7, no particular error appears in sys.log, but callstack and out files are generated and the system enters a hang state. 
Especially when tbimporting from Tibero 6 to Tibero 7 with GIS columns included, the operation does not proceed and hangs, followed by callstack generation.
 
-- Parameters: username=sys password=xxxx sid=susong port=5826 fromuser=ICSIGNAL touser=TIBERO table=SOITSCNCTEDGE ignore=y file=test.dmp log=test.log

-- Import character set: UTF-8

-- FROM_USER ICSIGNAL TO_USER TIBERO: Wed Nov 09 08:46:14 KST 2022

-- Import national character set: UTF-16

--   importing from schema: "ICSIGNAL" to schema "TIBERO"

--     importing table "SOITSCNCTEDGE"

-- [FAILED] ("SOITSCNCTEDGE") TBR-10030: JDBC-10030:Invalid WKB geometry data.

-- [FAILED] ("SOITSCNCTEDGE") TBR-10030: JDBC-10030:Invalid WKB geometry data.

............(Repeated same error)

-- [FAILED] ("SOITSCNCTEDGE") TBR-10030: JDBC-10030:Invalid WKB geometry data.

--   importing index "PK_SOITSCNCTEDGE"

--   importing constraint "PK_SOITSCNCTEDGE"

--   importing constraint "_ICSIGNAL_CON385200161"

--   importing constraint "_ICSIGNAL_CON385300747"

--   importing constraint "_ICSIGNAL_CON385400322"

--   importing constraint "_ICSIGNAL_CON385500891"

--   importing constraint "_ICSIGNAL_CON385600448"

--   importing constraint "_ICSIGNAL_CON385700019"

--   importing constraint "_ICSIGNAL_CON385800568"

--   importing constraint "_ICSIGNAL_CON385900136"

--   Import completed with error: Wed Nov 09 08:47:51 KST 2022

 

Cause

This can occur if the geometry storage structure was changed to provide the geography feature in a specific patch (227917). 
 

Case 1. Tibero 6 (patch 227917 applied) - Tibero 7

During tbimport and tbexport, the geom_from_wkb function (a function to verify Geometry data integrity) should not be called, but it was called, so contact Tmax Tibero for resolution.
 

Case 2. Tibero 6 (patch 227917 not applied) - Tibero 7

Calling the geom_from_wkb function is normal, and there is abnormal data stored in Tibero 6, so the customer needs to check the data.
 

Solutions

  1. When performing tbexport, use the geom_asbytes parameter with Y to transfer.
  2. After applying the patch, modify or verify data using the ST_IsValidGeomFormat and ST_IsValidWKB functions. (Applied patch: 294359a)

 

Method to convert WKB format data suitable for Tibero 7 (Tibero 6 format)

SQL> update TBL set geom=st_geomfromwkb(geom) where st_isvalidwkb(geom)=1;

 

Method to check data not supported in Tibero 7 and not in WKB format (Tibero 6 format)

 SQL> select * from TBL where ST_IsValidGeomFormat(geom) = 0 and ST_IsValidWKB(geom) = 0;
Note
After migration, confirm whether the operating application recognizes the change in Geometry data format and collects data accordingly.
Caution
Apply the patch through technical support provided by TmaxTibero.

 

 

 

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