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fix(query): correcly escape LogicalPlan-to-String backslashes #1732

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fix(query): correcly escape LogicalPlan-to-String backslashes #1732

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8 changes: 6 additions & 2 deletions coordinator/src/main/scala/filodb.coordinator/queryplanner/LogicalPlanParser.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -166,8 +166,12 @@ object LogicalPlanParser {

def miscellaneousFnToQuery(lp: ApplyMiscellaneousFunction): String = {
val prefix = s"${lp.function.entryName}$OpeningRoundBracket${convertToQuery(lp.vectors)}"
if(lp.stringArgs.isEmpty) s"$prefix$ClosingRoundBracket"
else s"$prefix$Comma${lp.stringArgs.map(Quotes + _ + Quotes).mkString(Comma)}$ClosingRoundBracket"
if (lp.stringArgs.isEmpty) {
s"$prefix$ClosingRoundBracket"
} else {
val escapedArgs = lp.stringArgs.map(Quotes + StringEscapeUtils.escapeJava(_) + Quotes)
s"$prefix$Comma${escapedArgs.mkString(Comma)}$ClosingRoundBracket"
}
}

def scalarVaryingDoubleToQuery(lp: ScalarVaryingDoublePlan): String = {
Expand Down
19 changes: 16 additions & 3 deletions coordinator/src/test/scala/filodb.coordinator/queryplanner/PlannerHierarchySpec.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -120,15 +120,16 @@ class PlannerHierarchySpec extends AnyFunSpec with Matchers with PlanValidationS
if (shardColumnFilters.exists(f => f.column == "_ns_" && f.filter.isInstanceOf[EqualsRegex])) {
// to ensure that tests dont call something else that is not configured
require(shardColumnFilters.exists(f => f.column == "_ns_" && f.filter.isInstanceOf[EqualsRegex]
&& (
f.filter.asInstanceOf[EqualsRegex].pattern.toString == ".*Ns"
|| f.filter.asInstanceOf[EqualsRegex].pattern.toString == "localNs.*")))
&& Set(".*Ns", "localNs.*", "remoteNs.*").contains(f.filter.asInstanceOf[EqualsRegex].pattern.toString)))

val nsCol = shardColumnFilters.find(_.column == "_ns_").get
if (nsCol.filter.asInstanceOf[EqualsRegex].pattern.toString == "localNs.*") {
Seq(
Seq(ColumnFilter("_ws_", Equals("demo")), ColumnFilter("_ns_", Equals("localNs"))),
Seq(ColumnFilter("_ws_", Equals("demo")), ColumnFilter("_ns_", Equals("localNs1")))
)
} else if (nsCol.filter.asInstanceOf[EqualsRegex].pattern.toString == "remoteNs.*") {
Seq(Seq(ColumnFilter("_ws_", Equals("demo")), ColumnFilter("_ns_", Equals("remoteNs"))))
} else {
Seq(
Seq(ColumnFilter("_ws_", Equals("demo")), ColumnFilter("_ns_", Equals("localNs"))),
Expand Down Expand Up @@ -233,6 +234,18 @@ class PlannerHierarchySpec extends AnyFunSpec with Matchers with PlanValidationS
validatePlan(execPlan, expected)
}

it("should correctly interpret escaped backslashes and add escapes for miscellaneous funcs") {
val lp = Parser.queryRangeToLogicalPlan(
"""label_replace(foo{_ws_="my-ws", _ns_=~"remoteNs.*", otherFilter=~"foo\\.*"}, "newLabel", "$1", "sourceLabel", "(value-\\d+)-.*")""",
TimeStepParams(startSeconds, step, endSeconds), Antlr)
val execPlan = rootPlanner.materialize(lp, QueryContext(
origQueryParams = queryParams,
plannerParams = PlannerParams(processMultiPartition = true)))
val expected =
"""E~PromQlRemoteExec(PromQlQueryParams(label_replace(foo{otherFilter=~"foo\\.*",_ws_="demo",_ns_="remoteNs"},"newLabel","$1","sourceLabel","(value-\\d+)-.*"),1633913330,300,1634777330,None,false), PlannerParams(filodb,None,None,None,None,60000,PerQueryLimits(1000000,18000000,100000,100000,300000000,1000000,200000000),PerQueryLimits(50000,15000000,50000,50000,150000000,500000,100000000),None,None,None,false,86400000,86400000,false,true,false,false,true,10,false), queryEndpoint=remotePartition-url, requestTimeoutMs=10000) on InProcessPlanDispatcher(QueryConfig(10 seconds,300000,1,50,antlr,true,true,None,Some(10000),None,None,25,true,false,true,Set(),Some(plannerSelector),Map(filodb-query-exec-metadataexec -> 65536, filodb-query-exec-aggregate-large-container -> 65536),RoutingConfig(false,1800000 milliseconds,true,0)))""".stripMargin
validatePlan(execPlan, expected)
}

it("Plan with unary expression should be equals to its binary counterpart2.") {
val unaryExpressions = List("""-foo{_ws_ = "demo", _ns_ = "localNs"}""", """+foo{_ws_ = "demo", _ns_ = "localNs"}""",
"""-(foo{_ws_ = "demo", _ns_ = "localNs"} - bar{_ws_ = "demo", _ns_ = "localNs"})""",
Expand Down
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