Baoqi opened a new issue #956:
URL: https://github.com/apache/incubator-kyuubi/issues/956
### 1. Describe the bug
I used "kyuubi-tpcds" tool to generate test data. And the result schema is:
tpcds_sf1
Then, I use datagrip to connect to kyuubi. Datagrip will not find any tables
under tpcds_sf1.
This is because a bug in
src/main/scala/org/apache/kyuubi/engine/spark/operation/SparkOperation.scala ,
function toJavaRegex().
The input is: tpcds\_sf1
and in function
```
def toJavaRegex(input: String): String = {
val res = if (StringUtils.isEmpty(input) || input == "*") {
"%"
} else {
input
}
val in = res.toIterator
val out = new StringBuilder()
while (in.hasNext) {
in.next match {
case c if c == '\\' && in.hasNext =>
Pattern.quote(Character.toString(in.next()))
case c if c == '\\' && !in.hasNext =>
Pattern.quote(Character.toString(c))
case '_' => out ++= "."
case '%' => out ++= ".*"
case c => out ++= Character.toString(c)
}
}
out.result()
}
```
the " case c if c == '\\' && in.hasNext =>
Pattern.quote(Character.toString(in.next()))" line, the Pattern.quote result
is just ignored. So, later, we are querying "tpcdssf1" as the schema, which
definitely don't have any tables (which don't exist)
### 2. Environments
#### 2.1 Versions
- Kyuubi
- [ x] 1.1.0
- [ ] 1.0.3
- [ ] 0.8.x and earlier <!-- Please update Kyuubi, versions of 0.x are no
longer supported by the community -->
- Spark
- [ x] 3.1.x
- [ ] 3.0.x
- [ ] 2.4.x and earlier <!-- Please update Spark, versions of 2.x are no
longer supported by the community -->
#### 2.2 Kyuubi Configurations
#### 2.3 Spark Configurations
### 3. Steps to reproduce
#### 3.1 Operations
#### 3.2 Expected behavior
<!-- A clear and concise description of what you expected to happen. -->
#### 3.3 Actual behavior
### 4. Additional context
#### 4.1 Log of the server
#### 4.2 Log of the corresponding engine
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