panbingkun commented on code in PR #47364:
URL: https://github.com/apache/spark/pull/47364#discussion_r1746638947
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sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala:
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@@ -1112,4 +1112,15 @@ class SparkSqlAstBuilder extends AstBuilder {
withIdentClause(ctx.identifierReference(), UnresolvedNamespace(_)),
cleanedProperties)
}
+
+ /**
+ * Create a [[ShowCollationsCommand]] command.
+ * Expected format:
+ * {{{
+ * SHOW COLLATIONS (LIKE? pattern)?;
+ * }}}
+ */
+ override def visitShowCollations(ctx: ShowCollationsContext): LogicalPlan =
withOrigin(ctx) {
Review Comment:
Let me implement a version first (`Follow completely functions
implementation`).
From my perspective, it seems a bit reasonable.
Let's take a look at its final appearance.
If you think it's okay, we'll do it. If you don't think it's good, I'll
update it later.
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