update

src/util.jl

@@ -2,7 +2,7 @@ module util
   
 export timedifference, showstracktrace, findHighestIndexKey, uuid4snakecase, replaceDictKeys,
         findMatchingDictKey, textToDict, randstring, randstrings, timeout,
-        dataframeToCSV, dfToVectorDict, disintegrate_vectorDict
+        dataframeToCSV, dfToVectorDict, disintegrate_vectorDict, dictToPostgresKeyValueString
 
 using JSON3, DataStructures, Distributions, Random, Dates, UUIDs, MQTTClient, DataFrames
 
@@ -522,7 +522,19 @@ end
 
 
 
-
+function dictToPostgresKeyValueString(dict)
+  parts = []
+  for (k, v) in dict
+      if isa(v, Dict)
+          push!(parts, "\"$k\": " * dict_to_string(v))
+      elseif isa(v, AbstractString)
+          push!(parts, "\"$k\": \"$v\"")
+      else
+          push!(parts, "\"$k\": $v")
+      end
+  end
+  return "{" * join(parts, ", ") * "}"
+end