Github user huaxingao commented on the pull request:
https://github.com/apache/spark/pull/9773#issuecomment-157490181
hiveContext.table("db_name.table") works but
hiveContext.read.table("db_name.table")
throws an org.apache.spark.sql.catalyst.analysis.NoSuchTableException
In hiveContext.table("db_name.table"), it goes through
SqlParser.parseTableIdentifier(tableName)
and the table name "db_name.table" got resolved to 'db_name'.'table', and
later, when trying to get the the qualified table name, the database name is
resolved to db_name, and table name is table, and it can get the qualified
table name OK.
In hiveContext.read.table("db_name.table"), it doesn't go through SQLParser
to parse the table name, so the table name "db_name.table" remain as is. Later,
when trying to get the the qualified table name, the database name resolved as
default, and table name is "db_name.table", it can't get the qualified table
name correctly.
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