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From "Satheesh Bandaram (JIRA)" <derby-...@db.apache.org>
Subject [jira] Created: (DERBY-50) getMaxColumnNameLength() database metadata function returns incorrect value.
Date Tue, 26 Oct 2004 19:11:43 GMT
getMaxColumnNameLength() database metadata function returns incorrect value. 
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         Key: DERBY-50
         URL: http://issues.apache.org/jira/browse/DERBY-50
     Project: Derby
        Type: Bug
  Components: JDBC  
    Versions: 10.0.2.0    
 Environment: Generic issue. Was reproduced on Windows platform.
    Reporter: Satheesh Bandaram


Database Metadata function getMaxColumnNameLength() should return 30. It incorrectly returns
128. Derby restricts maximum column name length to be 30. Similarly, the following metadata
functions also return incorrect values:

getMaxCursorNameLength() = 18
getMaxSchemaNameLength() = 30
getMaxProcedureNameLength() = 128
getMaxTableNameLength() = 128
getMaxUserNameLength() = 30

Note, there is some discussion in the derby developper list to increase maximum length of
most identifiers to 128. If that happens, these metadata functions will need to be updated
again. But for now, it these should return actual limits that are currently enforced.

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