Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/17266#discussion_r105572627
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/client/HiveShim.scala ---
@@ -566,13 +566,24 @@ private[client] class Shim_v0_13 extends Shim_v0_12 {
s"$v ${op.symbol} ${a.name}"
case op @ BinaryComparison(a: Attribute, Literal(v, _: StringType))
if !varcharKeys.contains(a.name) =>
- s"""${a.name} ${op.symbol} "$v""""
+ s"""${a.name} ${op.symbol} ${quoteStringLiteral(v.toString)}"""
case op @ BinaryComparison(Literal(v, _: StringType), a: Attribute)
if !varcharKeys.contains(a.name) =>
- s""""$v" ${op.symbol} ${a.name}"""
+ s"""${quoteStringLiteral(v.toString)} ${op.symbol} ${a.name}"""
}.mkString(" and ")
}
+ private def quoteStringLiteral(str: String): String = {
+ if (!str.contains("\"")) {
+ s""""$str""""
+ } else if (!str.contains("'")) {
+ s"""'$str'"""
+ } else {
+ throw new UnsupportedOperationException(
+ """Partition filter cannot have both `"` and `'` characters""")
--- End diff --
Does that return the correct result?
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