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Greenplum JDBC driver v5.1 returning incorrect column names in ResultSetMetaData returned from PreparedStatement.getMetaData()

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TitleGreenplum JDBC driver v5.1 returning incorrect column names in ResultSetMetaData returned from PreparedStatement.getMetaData()
URL Namegreenplum-jdbc-driver-v5-1-returning-incorrect-column-names-in-resultsetmetadata-returned-from-preparedstatement-getmetadata
Article Number000123001
EnvironmentProduct: Connect for JDBC Greenplum Driver
Version : 5.1.4.000275
OS: JAVA
Database : Greenplum
Application: All supported applications
Question/Problem Description

A table with its columns has been created with names in chinese characters.
When trying to get column information using prepared statement, incorrect value for the column name was returned.

pstmt = SELECT * FROM "test"."歌曲"

Expected:

pstmt.getMetaData().getColumnName(i) = "编号"

Actual:

pstmt.getMetaData().getColumnName(i) = "ç¼–å�·"

But when trying to get the same column name using this function call " Connection.getMetaData().getColumns(( null, "test01", "歌曲", null))",  correct column name was returned.
Steps to Reproduce1) Create a table with name "歌曲" and one column with name "编号"
2) Run the above code snippets
Clarifying Information
Error MessageN/A
Defect NumberDefect XDBC-18174
Enhancement Number
Cause
This issue was only occurring when ExtendedColumnMetadata=true is used in the connection string.
Resolution
Fixed in hot fix 5.1.4.000279

Refer to "Connect for JDBC hot fix download and install instructions” for instructions on how to download and install the hot fix.
Workaround
Notes
Last Modified Date1/10/2020 10:04 PM
Files
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