Hyukjin Kwon created SPARK-46806:
------------------------------------
Summary: Improve error message for spark.table when argument type
is wrong
Key: SPARK-46806
URL: https://issues.apache.org/jira/browse/SPARK-46806
Project: Spark
Issue Type: Test
Components: PySpark
Affects Versions: 4.0.0
Reporter: Hyukjin Kwon
{code}
>>> spark.table(None)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File
"/Users/hyukjin.kwon/workspace/forked/spark/python/pyspark/sql/session.py",
line 1710, in table
return DataFrame(self._jsparkSession.table(tableName), self)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File
"/Users/hyukjin.kwon/workspace/forked/spark/python/lib/py4j-0.10.9.7-src.zip/py4j/java_gateway.py",
line 1322, in __call__
File
"/Users/hyukjin.kwon/workspace/forked/spark/python/pyspark/errors/exceptions/captured.py",
line 215, in deco
return f(*a, **kw)
^^^^^^^^^^^
File
"/Users/hyukjin.kwon/workspace/forked/spark/python/lib/py4j-0.10.9.7-src.zip/py4j/protocol.py",
line 326, in get_return_value
py4j.protocol.Py4JJavaError: An error occurred while calling o27.table.
: java.lang.NullPointerException: Cannot invoke "String.length()" because "s"
is null
at org.antlr.v4.runtime.CharStreams.fromString(CharStreams.java:222)
at org.antlr.v4.runtime.CharStreams.fromString(CharStreams.java:212)
at
org.apache.spark.sql.catalyst.parser.AbstractParser.parse(parsers.scala:58)
at
org.apache.spark.sql.execution.SparkSqlParser.parse(SparkSqlParser.scala:55)
at
org.apache.spark.sql.catalyst.parser.AbstractSqlParser.parseMultipartIdentifier(AbstractSqlParser.scala:54)
at org.apache.spark.sql.DataFrameReader.table(DataFrameReader.scala:681)
at org.apache.spark.sql.SparkSession.table(SparkSession.scala:619)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:374)
at py4j.Gateway.invoke(Gateway.java:282)
{code}
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