Merge pull request 'add_generateupdateSQL' (#3) from add_generateupdateSQL into main

Reviewed-on: #3

src/dbUtil.jl

@@ -185,5 +185,30 @@ function generateUpdateSQL(table_name::String, pk_column::String, pk_value,
     return "UPDATE $table_name SET $set_clause WHERE $pk_column = $pk_val_str;"
 end
 
+function generateUpdateSQL(table_name::String, pk_dict::AbstractDict{String, Any}, 
+                          data::AbstractDict{String, Any})
+    # Build SET clause
+    set_parts = String[]
+    for (key, value) in data
+        if key ∉ keys(data)
+            value_str = isa(value, AbstractString) ? "'$value'" : "$value"
+            push!(set_parts, "$(string(key)) = $value_str")
+        end
+    end
+    
+    set_clause = join(set_parts, ", ")
+    
+    # Build WHERE clause for composite keys
+    where_parts = String[]
+    for (col, val) in pk_dict
+        val_str = isa(val, AbstractString) ? "'$val'" : "$val"
+        push!(where_parts, "$(string(col)) = $val_str")
+    end
+    
+    where_clause = join(where_parts, " AND ")
+    
+    return "UPDATE $table_name SET $set_clause WHERE $where_clause;"
+end
+
 
 end   # module