update

src/dbUtil.jl

@@ -25,39 +25,62 @@ end
 
 
 
-"""
-example:
 
-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}")
+""" Get characters between specified characters.
+
+# Arguments
+  - `text::T`
+    a text being searched
+  - `startChar::Char`
+    start character
+  - `endChar::Char`
+    end character
+# Keyword Arguments
+  - `endCharLocation::String`
+    end character position after startChar. Can be "next" or "end". "next" means the closed 
+    endChar just after startChar. "end" means the furthest endChar. 
+  - `includeChar::Bool` 
+    whether to include the startChar and endChar. Default is true
+# Return
+  the characters between specified characters.
+
+# Example
+```jldoctest
+julia> using Revise
+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
 """
-function generateInsertSQL(table_name::String, insert_data::Dict{Symbol, Any})
+function generateInsertSQL(table_name::String, columnToInsert::Vector{Symbol}, insert_data::Dict{Symbol, Any})
   columns = String[]
   values = String[]
-  
+
   for (key, value) in insert_data
+    if key ∈ columnToInsert
       push!(columns, string(key))
-      if key == :other_attributes
-          push!(values, "'$value'")
-      else
-          push!(values, "'$value'")
-      end
+      push!(values, "'$value'") #[] number should not wrapped in ''
+    end
   end
   
   columns_str = join(columns, ", ")
@@ -65,7 +88,24 @@ function generateInsertSQL(table_name::String, insert_data::Dict{Symbol, Any})
   
   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
 
   
 
@@ -92,20 +132,44 @@ insert_data = Dict(
     :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})
+# 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 update_data
+  for (key, value) in updatedata
       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
+        if key ∈ columnToUpdate # update only specified columns
+          push!(set_clauses, "$key = '$value'")
+        end
       end
   end
   
@@ -132,7 +196,5 @@ end
 
 
 
-
-
 
 end   # module