Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/17887#discussion_r115162139
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/ParserUtils.scala
---
@@ -68,6 +68,11 @@ object ParserUtils {
/** Convert a string node into a string. */
def string(node: TerminalNode): String = unescapeSQLString(node.getText)
+ /** Convert a string node into a string without unescaping. */
+ def stringWithoutUnescape(node: TerminalNode): String = {
+ node.getText.slice(1, node.getText.size - 1)
--- End diff --
The string rule in SqlBase.g4 forces that the input has always quotes at
the starting and ending. I may add a comment here.
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