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From "Knut Anders Hatlen (JIRA)" <derby-...@db.apache.org>
Subject [jira] Commented: (DERBY-1610) Resolve difference of type compatibility between Embedded and NetworkServer/NetworkDriver
Date Tue, 05 Sep 2006 05:17:23 GMT
    [ http://issues.apache.org/jira/browse/DERBY-1610?page=comments#action_12432568 ] 
            
Knut Anders Hatlen commented on DERBY-1610:
-------------------------------------------

LANG_DATA_TYPE_GET_MISMATCH is not the only exception with SQLState 22005. From SQLState.java:

	String LANG_DATA_TYPE_GET_MISMATCH                                 = "22005"; // same 22005
error
    String UNSUPPORTED_ENCODING                                        = "22005.S.1";
    String CHARACTER_CONVERTER_NOT_AVAILABLE                           = "22005.S.2";
    String CANT_CONVERT_UNICODE_TO_EBCDIC                              = "22005.S.3";
    String NET_UNRECOGNIZED_JDBC_TYPE                                  = "22005.S.4";
    String NET_INVALID_JDBC_TYPE_FOR_PARAM                             = "22005.S.5";
    String UNRECOGNIZED_JAVA_SQL_TYPE                                  = "22005.S.6";

".S.X" is only used internally and not part of the SQL state, so all of these have SQL state
22005.

EmbedPreparedStatement.setNull() calls EmbedPreparedStatement.dataTypeConversion() to generate
a data conversion exception. In fact, dataTypeConversion() uses SQLState.LANG_DATA_TYPE_GET_MISMATCH.
This means the error message is inaccurate for the setters (An attempt was made to get a data
value of type ''{0}'' from a data value of type ''{1}''.), but the SQL state is correct.

> Resolve difference of type compatibility between Embedded and NetworkServer/NetworkDriver
> -----------------------------------------------------------------------------------------
>
>                 Key: DERBY-1610
>                 URL: http://issues.apache.org/jira/browse/DERBY-1610
>             Project: Derby
>          Issue Type: Bug
>          Components: Network Server, Network Client
>            Reporter: Tomohito Nakayama
>         Assigned To: Tomohito Nakayama
>         Attachments: DERBY-1610.diff, DERBY-1610_2.diff, parameterMapping.diff, parameterMapping.diff,
parameterMapping.diff.betweenEmbedded_and_NetworkServerNetworkClient, TestNullChar.java
>
>
> There exists difference of type compatibility between  Embedded and NetworkServer/NetworkClient.
> This issue tries to resolve it.

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