1 files changed, 30 insertions, 0 deletions
diff --git a/internal/clients/query_regex.go b/internal/clients/query_regex.go
new file mode 100644
index 0000000..9ccd233
--- /dev/null
+++ b/internal/clients/query_regex.go
@@ -0,0 +1,30 @@
+package clients
+
+import (
+	"fmt"
+
+	"github.com/mimecast/dtail/internal/mapr"
+)
+
+func maprRegexForQuery(query *mapr.Query) string {
+	if query == nil {
+		return "."
+	}
+
+	switch query.Table {
+	case "", ".":
+		return "."
+	case "*":
+		return "\\|MAPREDUCE:\\|"
+	default:
+		return fmt.Sprintf("\\|MAPREDUCE:%s\\|", query.Table)
+	}
+}
+
+func maprRegexFromQueryString(queryStr string) (*mapr.Query, string, error) {
+	query, err := mapr.NewQuery(queryStr)
+	if err != nil {
+		return nil, "", err
+	}
+	return query, maprRegexForQuery(query), nil
+}