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From hornn <...@git.apache.org>
Subject [GitHub] incubator-hawq pull request: HAWQ 459 Enhanced metadata api to sup...
Date Wed, 23 Mar 2016 18:42:52 GMT
Github user hornn commented on a diff in the pull request:

    https://github.com/apache/incubator-hawq/pull/477#discussion_r57214858
  
    --- Diff: pxf/pxf-hive/src/main/java/org/apache/hawq/pxf/plugins/hive/utilities/HiveUtilities.java
---
    @@ -203,19 +205,37 @@ private static boolean verifyModifers(String[] modifiers) {
          * It can be either <code>table_name</code> or <code>db_name.table_name</code>.
          *
          * @param qualifiedName Hive table name
    -     * @return {@link org.apache.hawq.pxf.api.Metadata.Table} object holding the full
table name
    +     * @return {@link Metadata.Item} object holding the full table name
          */
    -    public static Metadata.Table parseTableQualifiedName(String qualifiedName) {
    +    public static Metadata.Item extractTableFromName(String qualifiedName) {
    +        List<Metadata.Item> items = extractTablesFromPattern(null, qualifiedName);
    +        if(items.isEmpty()) {
    +            throw new IllegalArgumentException("No tables found");
    --- End diff --
    
    We have code in HAWQ (in libchurl) that already handles exceptions from PXF. It could
be improved of course, but we cannot rely solely on json because some exceptions are thrown
directly from tomcat, or are a result of connectivity issue.


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