Cheng Lian created SPARK-3654:
---------------------------------
Summary: Implement all extended HiveQL statements/commands with a
separate parser combinator
Key: SPARK-3654
URL: https://issues.apache.org/jira/browse/SPARK-3654
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 1.1.0
Reporter: Cheng Lian
Statements and commands like {{SET}}, {{CACHE TABLE}} and {{ADD JAR}} etc. are
currently parsed in a quite hacky way, like this:
{code}
if (sql.trim.toLowerCase.startsWith("cache table")) {
sql.trim.toLowerCase.startsWith("cache table") match {
...
}
}
{code}
It would be much better to add an extra parser combinator that parses these
syntax extensions first, and then fallback to the normal Hive parser.
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