update

Manifest.toml

@@ -1,8 +1,8 @@
 # This file is machine-generated - editing it directly is not advised
 
-julia_version = "1.12.1"
+julia_version = "1.12.5"
 manifest_format = "2.0"
-project_hash = "c7a2fd47754abe433f089d6232e90fcb82c87f85"
+project_hash = "d50b7edf21ea6bb3104189be326e8a78a00fd426"
 
 [[deps.AliasTables]]
 deps = ["PtrArrays", "Random"]
@@ -25,15 +25,15 @@ version = "1.2.2"
 
 [[deps.CSV]]
 deps = ["CodecZlib", "Dates", "FilePathsBase", "InlineStrings", "Mmap", "Parsers", "PooledArrays", "PrecompileTools", "SentinelArrays", "Tables", "Unicode", "WeakRefStrings", "WorkerUtilities"]
-git-tree-sha1 = "deddd8725e5e1cc49ee205a1964256043720a6c3"
+git-tree-sha1 = "8d8e0b0f350b8e1c91420b5e64e5de774c2f0f4d"
 uuid = "336ed68f-0bac-5ca0-87d4-7b16caf5d00b"
-version = "0.10.15"
+version = "0.10.16"
 
 [[deps.CodeTracking]]
 deps = ["InteractiveUtils", "UUIDs"]
-git-tree-sha1 = "9ce926a33a8608421a4d45c012884165b3fcd3ee"
+git-tree-sha1 = "b7231a755812695b8046e8471ddc34c8268cbad5"
 uuid = "da1fd8a2-8d9e-5ec2-8556-3022fb5608a2"
-version = "2.0.2"
+version = "3.0.0"
 
 [[deps.CodecBase]]
 deps = ["TranscodingStreams"]
@@ -101,9 +101,9 @@ version = "1.11.0"
 
 [[deps.Distributions]]
 deps = ["AliasTables", "FillArrays", "LinearAlgebra", "PDMats", "Printf", "QuadGK", "Random", "SpecialFunctions", "Statistics", "StatsAPI", "StatsBase", "StatsFuns"]
-git-tree-sha1 = "3bc002af51045ca3b47d2e1787d6ce02e68b943a"
+git-tree-sha1 = "fbcc7610f6d8348428f722ecbe0e6cfe22e672c6"
 uuid = "31c24e10-a181-5473-b8eb-7969acd0382f"
-version = "0.25.122"
+version = "0.25.123"
 
     [deps.Distributions.extensions]
     DistributionsChainRulesCoreExt = "ChainRulesCore"
@@ -140,16 +140,22 @@ version = "1.11.0"
 
 [[deps.FillArrays]]
 deps = ["LinearAlgebra"]
-git-tree-sha1 = "5bfcd42851cf2f1b303f51525a54dc5e98d408a3"
+git-tree-sha1 = "2f979084d1e13948a3352cf64a25df6bd3b4dca3"
 uuid = "1a297f60-69ca-5386-bcde-b61e274b549b"
-version = "1.15.0"
+version = "1.16.0"
-weakdeps = ["PDMats", "SparseArrays", "Statistics"]
 
     [deps.FillArrays.extensions]
     FillArraysPDMatsExt = "PDMats"
     FillArraysSparseArraysExt = "SparseArrays"
+    FillArraysStaticArraysExt = "StaticArrays"
     FillArraysStatisticsExt = "Statistics"
 
+    [deps.FillArrays.weakdeps]
+    PDMats = "90014a1f-27ba-587c-ab20-58faa44d9150"
+    SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
+    StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
+    Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
+
 [[deps.Future]]
 deps = ["Random"]
 uuid = "9fa8497b-333b-5362-9e8d-4d0656e87820"
@@ -213,9 +219,9 @@ version = "1.7.1"
 
 [[deps.JSON]]
 deps = ["Dates", "Logging", "Parsers", "PrecompileTools", "StructUtils", "UUIDs", "Unicode"]
-git-tree-sha1 = "5b6bb73f555bc753a6153deec3717b8904f5551c"
+git-tree-sha1 = "b3ad4a0255688dcb895a52fafbaae3023b588a90"
 uuid = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
-version = "1.3.0"
+version = "1.4.0"
 
     [deps.JSON.extensions]
     JSONArrowExt = ["ArrowTypes"]
@@ -237,9 +243,9 @@ version = "1.14.3"
 
 [[deps.JuliaInterpreter]]
 deps = ["CodeTracking", "InteractiveUtils", "Random", "UUIDs"]
-git-tree-sha1 = "b6c76964c65ebf8309460fb8f0f437b4a59d809b"
+git-tree-sha1 = "80580012d4ed5a3e8b18c7cd86cebe4b816d17a6"
 uuid = "aa1ae85d-cabe-5617-a682-6adf51b2e16a"
-version = "0.10.7"
+version = "0.10.9"
 
 [[deps.JuliaSyntaxHighlighting]]
 deps = ["StyledStrings"]
@@ -297,9 +303,9 @@ version = "1.11.0"
 
 [[deps.LoweredCodeUtils]]
 deps = ["CodeTracking", "Compiler", "JuliaInterpreter"]
-git-tree-sha1 = "e24491cb83551e44a69b9106c50666dea9d953ab"
+git-tree-sha1 = "65ae3db6ab0e5b1b5f217043c558d9d1d33cc88d"
 uuid = "6f1432cf-f94c-5a45-995e-cdbf5db27b0b"
-version = "3.4.4"
+version = "3.5.0"
 
 [[deps.Markdown]]
 deps = ["Base64", "JuliaSyntaxHighlighting", "StyledStrings"]
@@ -330,7 +336,7 @@ version = "1.11.0"
 
 [[deps.MozillaCACerts_jll]]
 uuid = "14a3606d-f60d-562e-9121-12d972cd8159"
-version = "2025.5.20"
+version = "2025.11.4"
 
 [[deps.NATS]]
 deps = ["Base64", "BufferedStreams", "CodecBase", "Dates", "DocStringExtensions", "JSON3", "MbedTLS", "NanoDates", "Random", "ScopedValues", "Sockets", "Sodium", "StructTypes", "URIs"]
@@ -361,7 +367,7 @@ version = "0.8.7+0"
 [[deps.OpenSSL_jll]]
 deps = ["Artifacts", "Libdl"]
 uuid = "458c3c95-2e84-50aa-8efc-19380b2a3a95"
-version = "3.5.1+0"
+version = "3.5.4+0"
 
 [[deps.OpenSpecFun_jll]]
 deps = ["Artifacts", "CompilerSupportLibraries_jll", "JLLWrappers", "Libdl"]
@@ -376,9 +382,9 @@ version = "1.8.1"
 
 [[deps.PDMats]]
 deps = ["LinearAlgebra", "SparseArrays", "SuiteSparse"]
-git-tree-sha1 = "d922b4d80d1e12c658da7785e754f4796cc1d60d"
+git-tree-sha1 = "e4cff168707d441cd6bf3ff7e4832bdf34278e4a"
 uuid = "90014a1f-27ba-587c-ab20-58faa44d9150"
-version = "0.11.36"
+version = "0.11.37"
 weakdeps = ["StatsBase"]
 
     [deps.PDMats.extensions]
@@ -404,9 +410,9 @@ version = "1.3.3"
 
 [[deps.Preferences]]
 deps = ["TOML"]
-git-tree-sha1 = "0f27480397253da18fe2c12a4ba4eb9eb208bf3d"
+git-tree-sha1 = "522f093a29b31a93e34eaea17ba055d850edea28"
 uuid = "21216c6a-2e73-6563-6e65-726566657250"
-version = "1.5.0"
+version = "1.5.1"
 
 [[deps.PrettyPrinting]]
 git-tree-sha1 = "142ee93724a9c5d04d78df7006670a93ed1b244e"
@@ -415,9 +421,15 @@ version = "0.4.2"
 
 [[deps.PrettyTables]]
 deps = ["Crayons", "LaTeXStrings", "Markdown", "PrecompileTools", "Printf", "REPL", "Reexport", "StringManipulation", "Tables"]
-git-tree-sha1 = "c5a07210bd060d6a8491b0ccdee2fa0235fc00bf"
+git-tree-sha1 = "211530a7dc76ab59087f4d4d1fc3f086fbe87594"
 uuid = "08abe8d2-0d0c-5749-adfa-8a2ac140af0d"
-version = "3.1.2"
+version = "3.2.3"
+
+    [deps.PrettyTables.extensions]
+    PrettyTablesTypstryExt = "Typstry"
+
+    [deps.PrettyTables.weakdeps]
+    Typstry = "f0ed7684-a786-439e-b1e3-3b82803b501e"
 
 [[deps.Printf]]
 deps = ["Unicode"]
@@ -456,17 +468,11 @@ git-tree-sha1 = "45e428421666073eab6f2da5c9d310d99bb12f9b"
 uuid = "189a3867-3050-52da-a836-e630ba90ab69"
 version = "1.2.2"
 
-[[deps.Requires]]
-deps = ["UUIDs"]
-git-tree-sha1 = "62389eeff14780bfe55195b7204c0d8738436d64"
-uuid = "ae029012-a4dd-5104-9daa-d747884805df"
-version = "1.3.1"
-
 [[deps.Revise]]
-deps = ["CodeTracking", "FileWatching", "JuliaInterpreter", "LibGit2", "LoweredCodeUtils", "OrderedCollections", "REPL", "Requires", "UUIDs", "Unicode"]
+deps = ["CodeTracking", "FileWatching", "InteractiveUtils", "JuliaInterpreter", "LibGit2", "LoweredCodeUtils", "OrderedCollections", "Preferences", "REPL", "UUIDs"]
-git-tree-sha1 = "85d94c2be31f58728cd69d13f2e0bdd7ecf6dfe9"
+git-tree-sha1 = "14d1bfb0a30317edc77e11094607ace3c800f193"
 uuid = "295af30f-e4ad-537b-8983-00126c2a3abe"
-version = "3.12.1"
+version = "3.13.2"
 
     [deps.Revise.extensions]
     DistributedExt = "Distributed"
@@ -498,9 +504,9 @@ version = "1.5.0"
 
 [[deps.SentinelArrays]]
 deps = ["Dates", "Random"]
-git-tree-sha1 = "712fb0231ee6f9120e005ccd56297abbc053e7e0"
+git-tree-sha1 = "ebe7e59b37c400f694f52b58c93d26201387da70"
 uuid = "91c51154-3ec4-41a3-a24f-3f23e20d615c"
-version = "1.4.8"
+version = "1.4.9"
 
 [[deps.Serialization]]
 uuid = "9e88b42a-f829-5b0c-bbe9-9e923198166b"
@@ -529,9 +535,9 @@ version = "1.12.0"
 
 [[deps.SpecialFunctions]]
 deps = ["IrrationalConstants", "LogExpFunctions", "OpenLibm_jll", "OpenSpecFun_jll"]
-git-tree-sha1 = "f2685b435df2613e25fc10ad8c26dddb8640f547"
+git-tree-sha1 = "5acc6a41b3082920f79ca3c759acbcecf18a8d78"
 uuid = "276daf66-3868-5448-9aa4-cd146d93841b"
-version = "2.6.1"
+version = "2.7.1"
 
     [deps.SpecialFunctions.extensions]
     SpecialFunctionsChainRulesCoreExt = "ChainRulesCore"
@@ -551,15 +557,15 @@ weakdeps = ["SparseArrays"]
 
 [[deps.StatsAPI]]
 deps = ["LinearAlgebra"]
-git-tree-sha1 = "9d72a13a3f4dd3795a195ac5a44d7d6ff5f552ff"
+git-tree-sha1 = "178ed29fd5b2a2cfc3bd31c13375ae925623ff36"
 uuid = "82ae8749-77ed-4fe6-ae5f-f523153014b0"
-version = "1.7.1"
+version = "1.8.0"
 
 [[deps.StatsBase]]
-deps = ["AliasTables", "DataAPI", "DataStructures", "LinearAlgebra", "LogExpFunctions", "Missings", "Printf", "Random", "SortingAlgorithms", "SparseArrays", "Statistics", "StatsAPI"]
+deps = ["AliasTables", "DataAPI", "DataStructures", "IrrationalConstants", "LinearAlgebra", "LogExpFunctions", "Missings", "Printf", "Random", "SortingAlgorithms", "SparseArrays", "Statistics", "StatsAPI"]
-git-tree-sha1 = "064b532283c97daae49e544bb9cb413c26511f8c"
+git-tree-sha1 = "aceda6f4e598d331548e04cc6b2124a6148138e3"
 uuid = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
-version = "0.34.8"
+version = "0.34.10"
 
 [[deps.StatsFuns]]
 deps = ["HypergeometricFunctions", "IrrationalConstants", "LogExpFunctions", "Reexport", "Rmath", "SpecialFunctions"]
@@ -577,9 +583,9 @@ version = "1.5.2"
 
 [[deps.StringManipulation]]
 deps = ["PrecompileTools"]
-git-tree-sha1 = "725421ae8e530ec29bcbdddbe91ff8053421d023"
+git-tree-sha1 = "a3c1536470bf8c5e02096ad4853606d7c8f62721"
 uuid = "892a3eda-7b42-436c-8928-eab12a02cf0e"
-version = "0.4.1"
+version = "0.4.2"
 
 [[deps.StructTypes]]
 deps = ["Dates", "UUIDs"]
@@ -589,9 +595,9 @@ version = "1.11.0"
 
 [[deps.StructUtils]]
 deps = ["Dates", "UUIDs"]
-git-tree-sha1 = "79529b493a44927dd5b13dde1c7ce957c2d049e4"
+git-tree-sha1 = "28145feabf717c5d65c1d5e09747ee7b1ff3ed13"
 uuid = "ec057cc2-7a8d-4b58-b3b3-92acb9f63b42"
-version = "2.6.0"
+version = "2.6.3"
 
     [deps.StructUtils.extensions]
     StructUtilsMeasurementsExt = ["Measurements"]

Project.toml

@@ -20,4 +20,4 @@ UUIDs = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
 [compat]
 JSON = "1.3.0"
 NATS = "0.1.0"
-Revise = "3.12.1"
+Revise = "3.13.2"

src/dbUtil.jl

@@ -9,6 +9,38 @@ using ..util
 # ---------------------------------------------- 100 --------------------------------------------- #
 
 
+"""
+dictToPostgresKeyValueString - Convert dictionary to PostgreSQL key-value string format
+
+This function takes a dictionary and converts it into a PostgreSQL-compatible key-value string
+format suitable for storage in a TEXT field. The output format uses curly braces with comma-separated
+key-value pairs, where string values are quoted.
+
+# Function Workflow:
+1. Iterates through dictionary key-value pairs
+2. Handles nested dictionaries by recursively converting them
+3. Wraps string values in double quotes
+4. Formats numeric and other values without quotes
+5. Returns a PostgreSQL-compatible key-value string enclosed in curly braces
+
+# Arguments:
+  - `dict::Dict` - Dictionary containing key-value pairs to convert
+
+# Return:
+  - A String in PostgreSQL key-value format: "{key1: value1, key2: \"value2\", ...}"
+
+# Example
+```jldoctest
+julia> data = Dict{String, Any}(
+           "name" => "John",
+           "age" => 30,
+           "city" => "New York"
+       );
+
+julia> dictToPostgresKeyValueString(data)
+"{\"name\": \"John\", \"age\": 30, \"city\": \"New York\"}"
+```
+"""
 function dictToPostgresKeyValueString(dict)
   parts = []
   for (k, v) in dict
@@ -26,58 +58,67 @@ end
 
 
 
-""" Get characters between specified characters.
+""" generateInsertSQL - Generate SQL INSERT statement from dictionary data
 
-# Arguments
+This function constructs a SQL INSERT statement by extracting values for specified columns
-  - `text::T`
+from a dictionary and formatting them into a valid PostgreSQL INSERT query.
-    a text being searched
+
-  - `startChar::Char`
+# Function Workflow:
-    start character
+1. Iterates through the dictionary key-value pairs
-  - `endChar::Char`
+2. Filters keys to only include those present in `columnToInsert`
-    end character
+3. Collects column names and their corresponding values
-# Keyword Arguments
+4. Constructs the final SQL INSERT statement
-  - `endCharLocation::String`
+
-    end character position after startChar. Can be "next" or "end". "next" means the closed 
+# Arguments:
-    endChar just after startChar. "end" means the furthest endChar. 
+  - `table_name::String` - Name of the database table to insert into
-  - `includeChar::Bool` 
+  - `columnToInsert::Vector{Symbol}` - List of column names to include in the INSERT statement
-    whether to include the startChar and endChar. Default is true
+  - `data::Dict{Symbol, Any}` - Dictionary containing column-value pairs for the insert
-# Return
+
-  the characters between specified characters.
+# Return:
+  - A String containing the SQL INSERT statement
 
 # Example
 ```jldoctest
-julia> using Revise
+julia> using UUIDs
-julia> using GeneralUtils
-julia> insert_data = Dict(
-      :grape => "NA",
-      :acidity => "0",
-      :tannin => "0",
-      :country => "NA",
-      :description => "NA",
-      :region => "NA",
-      :winery => "ccc",
-      :intensity => "0",
-      :sweetness => "0",
-      :tasting_notes => "NA",
-      :wine_name => "new_wine",
-      :wine_id => "9e1deb6a-d57f-4d2c-abbe-da813f4e91ad",
-      :wine_type => "NA",
-      :other_attributes => "{\"attribute3\":{\"attribute5\":666,\"attribute4\":\"text\"},\"attribute1\":\"hello world\",\"attribute2\":555}",
-      :fizziness => "0",
-      :serving_temperature => "0",
-      :additional_search_term => "{NA1,NA2}")
-```
-# TODO
-  - [] update docs
 
-# Signature
+# Insert a single record with specific columns
+table_name = "wine"
+columnToInsert = [:acidity, :tannin, :country, :region, :winery]
+data = Dict{Symbol, Any}(
+    :grape => "Cabernet Sauvignon",
+    :acidity => "medium",                 # using descriptive scale (low/medium/full)
+    :tannin => "medium-plus",             # common wine descriptor
+    :country => "France",
+    :description => "A rich and structured red wine with notes of blackcurrant, cedar, and subtle oak.",
+    :region => "Bordeaux",
+    :winery => "Château Margaux",
+    :intensity => "medium",               # intensity is usually low/medium/full
+    :sweetness => "dry",                  # dry/medium-dry/medium/medium-sweet/sweet
+    :tasting_notes => "Blackberry, graphite, tobacco, vanilla, and subtle earth.",
+    :wine_name => "Château Margaux Grand Cru",
+    :wine_id => "8f3c7a2e-1b4d-4a9f-9c2e-4a8b3d6e5f7a",  # UUID-like (valid hex)
+    :wine_type => "Red",
+    :other_attributes => Dict{String, Any}(
+        "vintage" => 2018,
+        "alcohol_percent" => 13.5,
+        "ph" => 3.6,
+        " aging_years" => 24,              # years in barrel
+        " producer_code" => "CM-GRAND"
+    ),
+    :fizziness => "still",
+    :serving_temperature => "16–18°C",
+    :additional_search_term => ["Cabernet", "Bordeaux red", "premium wine", "CabSav"]
+)
+
+julia> generateInsertSQL(table_name, columnToInsert, data)
+"INSERT INTO wine (acidity, tannin, country, region, winery) VALUES ('medium', 'medium-plus', 'France', 'Bordeaux', 'Château Margaux');"
+```
 """
-function generateInsertSQL(table_name::String, columnToInsert::Vector{Symbol}, 
+function generateInsertSQL(table_name::String, columnToInsert::Vector{Symbol}, data::Dict{Symbol, Any})
-  insert_data::Dict{Symbol, Any})
   columns = String[]
   values = String[]
 
-  for (key, value) in insert_data
+  for (key, value) in data
     if key ∈ columnToInsert
       push!(columns, string(key))
       push!(values, "'$value'") #[] number should not wrapped in ''
@@ -89,113 +130,57 @@ function generateInsertSQL(table_name::String, columnToInsert::Vector{Symbol},
   
   return "INSERT INTO $table_name ($columns_str) VALUES ($values_str);"
 end
-# function generateInsertSQL(table_name::String, insert_data::Dict{Symbol, Any})
-#   columns = String[]
-#   values = String[]
-  
-#   for (key, value) in insert_data
-#       push!(columns, string(key))
-#       if key == :other_attributes
-#           push!(values, "'$value'")
-#       else
-#           push!(values, "'$value'")
-#       end
-#   end
-  
-#   columns_str = join(columns, ", ")
-#   values_str = join(values, ", ")
-  
-#   return "INSERT INTO $table_name ($columns_str) VALUES ($values_str);"
-# end
 
 
+# ---------------------------------------------- 100 --------------------------------------------- #
 
+""" generateUpdateSQL - Generate SQL UPDATE statement from dictionary data
 
+This function constructs a SQL UPDATE statement by updating multiple columns
+based on a primary key condition.
 
+# Arguments:
+  - `table_name::String` - Name of the database table to update
+  - `pk_column::Symbol` - The primary key column name
+  - `pk_value` - The primary key value (used in WHERE clause)
+  - `data::Dict{Symbol, Any}` - Dictionary containing column-value pairs to update
+
+# Return:
+  - A String containing the SQL UPDATE statement
+
+# Example
+```jldoctest
+julia> using UUIDs
+
+# Update multiple columns using a dictionary
+table_name = "wine"
+pk_column = :wine_id
+pk_value = "8f3c7a2e-1b4d-4a9f-9c2e-4a8b3d6e5f7a"
+data = Dict{Symbol, Any}(
+    :acidity => "full",
+    :tannin => "medium",
+    :country => "Italy"
+)
+
+julia> generateUpdateSQL(table_name, pk_column, pk_value, data)
+"UPDATE wine SET acidity = 'full', tannin = 'medium', country = 'Italy' WHERE wine_id = '8f3c7a2e-1b4d-4a9f-9c2e-4a8b3d6e5f7a';"
+```
 """
-example:
+function generateUpdateSQL(table_name::String, pk_column::Symbol, pk_value, data::Dict{Symbol, Any})
-
+    # Build SET clause
-insert_data = Dict(
+    set_parts = String[]
-    :grape => "NA",
+    for (key, value) in data
-    :acidity => "0",
+        value_str = isa(value, AbstractString) ? "'$value'" : "$value"
-    :tannin => "0",
+        push!(set_parts, "$(string(key)) = $value_str")
-    :country => "NA",
-    :description => "NA",
-    :region => "NA",
-    :winery => "ccc",
-    :intensity => "0",
-    :sweetness => "0",
-    :tasting_notes => "NA",
-    :wine_name => "new_wine",
-    :wine_id => "9e1deb6a-d57f-4d2c-abbe-da813f4e91ad",
-    :wine_type => "NA",
-    :other_attributes => "{\"attribute3\":{\"attribute5\":666,\"attribute4\":\"text\"},\"attribute1\":\"hello world\",\"attribute2\":555}",
-    :fizziness => "0",
-    :serving_temperature => "0",
-    :additional_search_term => "{NA1,NA2}")
-
-id_keys is the primary key columns
-"""
-# function generateUpdateSQL(table_name::String, update_data::Dict{Symbol, Any}, id_keys::Vector{Symbol})
-#   set_clauses = String[]
-#   where_clauses = String[]
-  
-#   for (key, value) in update_data
-#       if key in id_keys
-#           push!(where_clauses, "$key = '$value'")
-#       else
-#           if key == :other_attributes
-#               push!(set_clauses, "$key = '$value'")
-#           else
-#               push!(set_clauses, "$key = '$value'")
-#           end
-#       end
-#   end
-  
-#   set_clause = join(set_clauses, ", ")
-#   where_clause = join(where_clauses, " AND ")
-  
-#   return "UPDATE $table_name SET $set_clause WHERE $where_clause;"
-# end
-
-function generateUpdateSQL(table_name::String, columnToUpdate::Vector{Symbol}, 
-  updatedata::Dict{Symbol, Any}, id_keys::Vector{Symbol})
-  
-  set_clauses = String[]
-  where_clauses = String[]
-  
-  for (key, value) in updatedata
-      if key in id_keys
-          push!(where_clauses, "$key = '$value'")
-      else
-        if key ∈ columnToUpdate # update only specified columns
-          push!(set_clauses, "$key = '$value'")
-        end
-      end
     end
     
-  set_clause = join(set_clauses, ", ")
+    set_clause = join(set_parts, ", ")
-  where_clause = join(where_clauses, " AND ")
     
-  return "UPDATE $table_name SET $set_clause WHERE $where_clause;"
+    # Handle primary key value
+    pk_val_str = isa(pk_value, AbstractString) ? "'$pk_value'" : "$pk_value"
+    
+    return "UPDATE $table_name SET $set_clause WHERE $pk_column = $pk_val_str;"
 end
 
 
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
 end   # module