set_api_timeout (#15)

Optional `set_api_timeout` settings function

Author: lmangani

src/open_prompt_extension.cpp

@@ -173,6 +173,10 @@ static void SetModelName(DataChunk &args, ExpressionState &state, Vector &result
     SetConfigValue(args, state, result, "openprompt_model_name", "Model name");
 }
 
+static void SetApiTimeout(DataChunk &args, ExpressionState &state, Vector &result) {
+    SetConfigValue(args, state, result, "openprompt_api_timeout", "API timeout");
+}
+
 // Main Function
 static void OpenPromptRequestFunction(DataChunk &args, ExpressionState &state, Vector &result) {
     D_ASSERT(args.data.size() >= 1); // At least prompt required
@@ -187,6 +191,7 @@ static void OpenPromptRequestFunction(DataChunk &args, ExpressionState &state, V
                                                "http://localhost:11434/v1/chat/completions");
             std::string api_token = GetConfigValue(context, "openprompt_api_token", "");
             std::string model_name = GetConfigValue(context, "openprompt_model_name", "qwen2.5:0.5b");
+            std::string api_timeout = GetConfigValue(context, "openprompt_api_timeout", "");
             std::string json_schema;
             std::string system_prompt;
 
@@ -259,6 +264,10 @@ static void OpenPromptRequestFunction(DataChunk &args, ExpressionState &state, V
                     headers.emplace("Authorization", "Bearer " + api_token);
                 }
 
+                if (!api_timeout.empty()){
+                    client.set_read_timeout(stoi(api_timeout), 0);
+                }
+                
                 auto res = client.Post(path.c_str(), headers, str_request_body, "application/json");
 
                 if (!res) {
@@ -349,6 +358,8 @@ static void LoadInternal(DatabaseInstance &instance) {
         "set_api_url", {LogicalType::VARCHAR}, LogicalType::VARCHAR, SetApiUrl));
     ExtensionUtil::RegisterFunction(instance, ScalarFunction(
         "set_model_name", {LogicalType::VARCHAR}, LogicalType::VARCHAR, SetModelName));
+    ExtensionUtil::RegisterFunction(instance, ScalarFunction(
+        "set_api_timeout", {LogicalType::VARCHAR}, LogicalType::VARCHAR, SetApiTimeout));
 }
 
 void OpenPromptExtension::Load(DuckDB &db) {