cloud-fan commented on a change in pull request #29146:
URL: https://github.com/apache/spark/pull/29146#discussion_r464172446
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala
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@@ -66,17 +68,29 @@ class SparkSqlAstBuilder(conf: SQLConf) extends
AstBuilder(conf) {
* character in the raw string.
*/
override def visitSetConfiguration(ctx: SetConfigurationContext):
LogicalPlan = withOrigin(ctx) {
- // Construct the command.
- val raw = remainder(ctx.SET.getSymbol)
- val keyValueSeparatorIndex = raw.indexOf('=')
- if (keyValueSeparatorIndex >= 0) {
- val key = raw.substring(0, keyValueSeparatorIndex).trim
- val value = raw.substring(keyValueSeparatorIndex + 1).trim
- SetCommand(Some(key -> Option(value)))
- } else if (raw.nonEmpty) {
- SetCommand(Some(raw.trim -> None))
+ val configKeyValueDef = """([a-zA-Z_\d\\.:]+)\s*=(.*)""".r
+ remainder(ctx.SET.getSymbol).trim match {
+ case configKeyValueDef(key, value) =>
+ SetCommand(Some(key -> Option(value.trim)))
+ case configKeyDef(key) =>
+ SetCommand(Some(key -> None))
+ case s if s == "-v" =>
+ SetCommand(Some("-v" -> None))
+ case s if s.isEmpty =>
+ SetCommand(None)
+ case _ => throw new ParseException("Expected format is 'SET', 'SET key',
or " +
+ "'SET key=value'. If you want to include special characters in key, " +
+ "please use quotes, e.g., SET `ke y`=value.", ctx)
+ }
+ }
+
+ override def visitSetQuotedConfiguration(ctx: SetQuotedConfigurationContext)
+ : LogicalPlan = withOrigin(ctx) {
+ val keyStr = ctx.quotedConfigKey().getText
+ if (ctx.value != null) {
+ SetCommand(Some(keyStr -> Option(remainder(ctx.EQ().getSymbol).trim)))
Review comment:
`(EQ value=.*)` we have an alias, can we use it here?
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