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Posted to issues@geode.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2019/03/27 23:27:00 UTC
[jira] [Commented] (GEODE-6431) JDBC Connector should use NULL as
default catalog and schema instead of empty string
[ https://issues.apache.org/jira/browse/GEODE-6431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16803457#comment-16803457 ]
ASF subversion and git services commented on GEODE-6431:
--------------------------------------------------------
Commit f9e5e9a8dfdf6ec4030f10ac60017ead0167f775 in geode's branch refs/heads/feature/GEODE-6431 from Jianxia Chen
[ https://gitbox.apache.org/repos/asf?p=geode.git;h=f9e5e9a ]
GEODE-6431: Bump MySQL JDBC Connector version
Authored-by: Jianxia Chen <jc...@pivotal.io>
> JDBC Connector should use NULL as default catalog and schema instead of empty string
> ------------------------------------------------------------------------------------
>
> Key: GEODE-6431
> URL: https://issues.apache.org/jira/browse/GEODE-6431
> Project: Geode
> Issue Type: Bug
> Components: extensions
> Reporter: Jianxia Chen
> Assignee: Jianxia Chen
> Priority: Major
> Time Spent: 40m
> Remaining Estimate: 0h
>
>
> From the {{DatabaseMetaData.getTables(String catalog, String schemaPattern, String tableNamePattern, String[] types)}} Javadoc: https://docs.oracle.com/javase/7/docs/api/java/sql/DatabaseMetaData.html#getTables(java.lang.String,%20java.lang.String,%20java.lang.String,%20java.lang.String[])
> "retrieves those without a catalog; null means that the catalog name should not be used to narrow the search"
> From the {{DatabaseMetaData.getSchemas(String catalog, String schemaPattern)}} javadoc:
> [https://docs.oracle.com/javase/7/docs/api/java/sql/DatabaseMetaData.html#getSchemas(java.lang.String,%20java.lang.String])
> {{catalog - a catalog name; must match the catalog name as it is stored in the database;"" retrieves those without a catalog; null means catalog name should not be used to narrow down the search.}}
> For example, for MySQL, if using empty string as default value for catalog and schema, {{DatabaseMetaData.getTables(String catalog, String schemaPattern, String tableNamePattern, String[] types)}} cannot return the expected table.
> Compared to ""(empty string), {{NULL}} is a better default value for catalog and schema.
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