beliefer commented on a change in pull request #35768:
URL: https://github.com/apache/spark/pull/35768#discussion_r825633044
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCRDD.scala
##########
@@ -94,54 +96,74 @@ object JDBCRDD extends Logging {
new StructType(columns.map(name => fieldMap(name)))
}
- /**
- * Turns a single Filter into a String representing a SQL expression.
- * Returns None for an unhandled filter.
- */
- def compileFilter(f: Filter, dialect: JdbcDialect): Option[String] = {
-
- def quote(colName: String): String = {
- val nameParts =
SparkSession.active.sessionState.sqlParser.parseMultipartIdentifier(colName)
- if(nameParts.length > 1) {
- throw
QueryCompilationErrors.commandNotSupportNestedColumnError("Filter push down",
colName)
- }
- dialect.quoteIdentifier(nameParts.head)
+ private def checkColumnName(colName: String) = {
+ val nameParts =
SparkSession.active.sessionState.sqlParser.parseMultipartIdentifier(colName)
+ if(nameParts.length > 1) {
+ throw QueryCompilationErrors.commandNotSupportNestedColumnError("Filter
push down", colName)
}
+ }
+ private[sql] def toV2(f: Filter): Option[Predicate] = {
Review comment:
I moved `toV2` to `JDBCRelation`.
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