cloud-fan commented on code in PR #53530:
URL: https://github.com/apache/spark/pull/53530#discussion_r2646484412
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala:
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@@ -6573,6 +6575,100 @@ class AstBuilder extends DataTypeAstBuilder
)
}
+ /**
+ * Create a [[DeclareCursor]] command wrapped in SingleStatement.
+ *
+ * For example:
+ * {{{
+ * DECLARE cursor_name CURSOR FOR SELECT * FROM table;
+ * }}}
+ */
+ override def visitDeclareCursorStatement(
+ ctx: DeclareCursorStatementContext): LogicalPlan = withOrigin(ctx) {
+ val cursorName = ctx.strictIdentifier().getText
+ // Extract original SQL text to preserve parameter markers
+ val queryText = getOriginalText(ctx.query())
+
+ // Use a placeholder plan (LocalRelation) - the actual query will be
parsed at execution time
+ // This prevents parameter markers from being resolved during script
analysis
+ val query: LogicalPlan = LocalRelation()
Review Comment:
why do we need a LogicalPlan field in `DeclareCursor`?
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