Xiao Li created SPARK-18538:
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Summary: Concurrent Fetching DataFrameReader JDBC APIs Do Not Work
Key: SPARK-18538
URL: https://issues.apache.org/jira/browse/SPARK-18538
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.1.0
Reporter: Xiao Li
Assignee: Xiao Li
Priority: Critical
{code}
def jdbc(
url: String,
table: String,
columnName: String,
lowerBound: Long,
upperBound: Long,
numPartitions: Int,
connectionProperties: Properties): DataFrame
{code}
{code}
def jdbc(
url: String,
table: String,
predicates: Array[String],
connectionProperties: Properties): DataFrame
{code}
The above two DataFrameReader JDBC APIs ignore the user-specified parameters of
parallelism degree
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