[GitHub] [spark] MichaelChirico commented on a change in pull request #28367: [SPARK-31573][R] Apply fixed=TRUE as appropriate to regex usage in R

[GitBox <gi...@apache.org>]

MichaelChirico commented on a change in pull request #28367:
URL: https://github.com/apache/spark/pull/28367#discussion_r415688361



##########
File path: R/pkg/R/sparkR.R
##########
@@ -606,7 +606,7 @@ getClientModeSparkSubmitOpts <- function(submitOps, sparkEnvirMap) {
     # process only if --option is not already specified
     if (!is.null(opsValue) &&
         nchar(opsValue) > 1 &&
-        !grepl(sparkConfToSubmitOps[[conf]], submitOps)) {
+        !grepl(sparkConfToSubmitOps[[conf]], submitOps, fixed = TRUE)) {

Review comment:
       yes exactly. there were a few other like this in `utils.R` e.g.
   
   `grep("org.apache.spark.sql.streaming.StreamingQueryException: "`




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