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Model: ruohuaw/deepquery-1.5b-rl
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---
license: MIT
frameworks:
- Pytorch
tasks:
- text-generation
model-type:
- qwen2
domain:
- nlp
language:
- zh, en
tags:
- LoRA
- GRPO
- NL2SQL
base_model:
- ruohuaw/deepquery-1.5b-sft
base_model_relation:
- finetune
datasets:
- ruohuaw/sql-cot
---
dataset:
- sql-cot: https://modelscope.cn/datasets/ruohuaw/sql-cot
training logs:
- GRPO reinforcement learning for Deepquery-v3-1.5b
- https://wandb.ai/wangruohua1999econ-none/huggingface/runs/zt9wkj1i?nw=nwuserwangruohua1999econ
notes
- we recommand turning off beam search and setting temperature = 0.1 for best performance
usage:
```python
import torch
from modelscope import snapshot_download
from modelscope import AutoTokenizer, AutoModelForCausalLM
model_dir = snapshot_download('ruohuaw/deepquery-1.5b-rl')
# 系统提示设置
sys_prompt = """You are DeepQuery, a data science expert. Below, you are presented with a database schema, a question and a hint.Your task is to read the schema with annotations of the columns, understand the question and the hint, and generate a valid SQL query to answer the question. You should reason step by step, and includes your reasonings between <think> and </think>."""
tokenizer = AutoTokenizer.from_pretrained(model_dir)
model = AutoModelForCausalLM.from_pretrained(model_dir)
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
model = model.to(device)
model.eval()
def generate_response(input_prompt, temperature = 0.1, max_length=512*4, model = model, tokenizer = tokenizer):
inputs = tokenizer(input_prompt, return_tensors="pt").to(device)
with torch.no_grad():
outputs = model.generate(
**inputs,
max_length = max_length,
temperature = temperature
)
response = tokenizer.decode(outputs[0], skip_special_tokens=True)
return response
query = """Database Schema
###
CREATE TABLE Country
(
CountryCode TEXT not null primary key,
LongName TEXT, -- `Long Name` description: long or full name of countries
);
CREATE TABLE Series
(
SeriesCode TEXT not null primary key,
);
CREATE TABLE SeriesNotes
(
Seriescode TEXT not null, -- `Series code` description: code identifying the series
Year TEXT not null, --
Description TEXT, --
primary key (Seriescode, Year),
foreign key (Seriescode) references Series(SeriesCode),
);
CREATE TABLE CountryNotes
(
Countrycode TEXT NOT NULL, --
Seriescode TEXT NOT NULL, -- `Series code` description: Series code of countries
Description TEXT, --
primary key (Countrycode, Seriescode),
FOREIGN KEY (Seriescode) REFERENCES Series(SeriesCode),
FOREIGN KEY (Countrycode) REFERENCES Country(CountryCode),
);
###
Question:
Please list the full names of any three countries that have their series code with a description of UN Energy Statistics (2014).
Hint:
full name refers to longname
"""
input_prompt = tokenizer.apply_chat_template(
[
{"role": "system", "content": SYS},
{"role": "user", "content": QUERY},
],
tokenize=False,
add_generation_prompt=True
)
TRUE_ANSWER="""SELECT DISTINCT T2.LongName FROM CountryNotes AS T1 INNER JOIN Country AS T2 ON T1.Countrycode = T2.CountryCode WHERE T1.Description = 'Sources: UN Energy Statistics (2014)' LIMIT 3"""
RESPONSE = generate_response(input_prompt)
print(f"Response: \n{RESPONSE}\nTrue answer: \n{TRUE_ANSWER}")
```
SDK下载
```bash
#安装ModelScope
pip install modelscope
```
```python
#SDK模型下载
from modelscope import snapshot_download
model_dir = snapshot_download('ruohuaw/deepquery-1.5b-rl')
```
Git下载
```
#Git模型下载
git clone https://www.modelscope.cn/ruohuaw/deepquery-1.5b-rl.git
```

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{
"_name_or_path": "./models/deepquery-v4-sft-1",
"architectures": [
"Qwen2ForCausalLM"
],
"attention_dropout": 0.0,
"bos_token_id": 151643,
"eos_token_id": 151645,
"hidden_act": "silu",
"hidden_size": 1536,
"initializer_range": 0.02,
"intermediate_size": 8960,
"max_position_embeddings": 32768,
"max_window_layers": 28,
"model_type": "qwen2",
"num_attention_heads": 12,
"num_hidden_layers": 28,
"num_key_value_heads": 2,
"rms_norm_eps": 1e-06,
"rope_scaling": null,
"rope_theta": 1000000.0,
"sliding_window": null,
"tie_word_embeddings": true,
"torch_dtype": "float16",
"transformers_version": "4.48.2",
"use_cache": true,
"use_sliding_window": false,
"vocab_size": 151936
}

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{"task":"text-generation"}

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{
"bos_token_id": 151643,
"do_sample": true,
"eos_token_id": [
151645,
151643
],
"pad_token_id": 151643,
"repetition_penalty": 1.1,
"temperature": 0.7,
"top_k": 20,
"top_p": 0.8,
"transformers_version": "4.48.2"
}

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"rstrip": false,
"single_word": false,
"special": false
},
"151662": {
"content": "<|fim_pad|>",
"lstrip": false,
"normalized": false,
"rstrip": false,
"single_word": false,
"special": false
},
"151663": {
"content": "<|repo_name|>",
"lstrip": false,
"normalized": false,
"rstrip": false,
"single_word": false,
"special": false
},
"151664": {
"content": "<|file_sep|>",
"lstrip": false,
"normalized": false,
"rstrip": false,
"single_word": false,
"special": false
}
},
"additional_special_tokens": [
"<|im_start|>",
"<|im_end|>",
"<|object_ref_start|>",
"<|object_ref_end|>",
"<|box_start|>",
"<|box_end|>",
"<|quad_start|>",
"<|quad_end|>",
"<|vision_start|>",
"<|vision_end|>",
"<|vision_pad|>",
"<|image_pad|>",
"<|video_pad|>"
],
"bos_token": null,
"chat_template": "{%- if tools %}\n {{- '<|im_start|>system\\n' }}\n {%- if messages[0]['role'] == 'system' %}\n {{- messages[0]['content'] }}\n {%- else %}\n {{- 'You are Qwen, created by Alibaba Cloud. You are a helpful assistant.' }}\n {%- endif %}\n {{- \"\\n\\n# Tools\\n\\nYou may call one or more functions to assist with the user query.\\n\\nYou are provided with function signatures within <tools></tools> XML tags:\\n<tools>\" }}\n {%- for tool in tools %}\n {{- \"\\n\" }}\n {{- tool | tojson }}\n {%- endfor %}\n {{- \"\\n</tools>\\n\\nFor each function call, return a json object with function name and arguments within <tool_call></tool_call> XML tags:\\n<tool_call>\\n{\\\"name\\\": <function-name>, \\\"arguments\\\": <args-json-object>}\\n</tool_call><|im_end|>\\n\" }}\n{%- else %}\n {%- if messages[0]['role'] == 'system' %}\n {{- '<|im_start|>system\\n' + messages[0]['content'] + '<|im_end|>\\n' }}\n {%- else %}\n {{- '<|im_start|>system\\nYou are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>\\n' }}\n {%- endif %}\n{%- endif %}\n{%- for message in messages %}\n {%- if (message.role == \"user\") or (message.role == \"system\" and not loop.first) or (message.role == \"assistant\" and not message.tool_calls) %}\n {{- '<|im_start|>' + message.role + '\\n' + message.content + '<|im_end|>' + '\\n' }}\n {%- elif message.role == \"assistant\" %}\n {{- '<|im_start|>' + message.role }}\n {%- if message.content %}\n {{- '\\n' + message.content }}\n {%- endif %}\n {%- for tool_call in message.tool_calls %}\n {%- if tool_call.function is defined %}\n {%- set tool_call = tool_call.function %}\n {%- endif %}\n {{- '\\n<tool_call>\\n{\"name\": \"' }}\n {{- tool_call.name }}\n {{- '\", \"arguments\": ' }}\n {{- tool_call.arguments | tojson }}\n {{- '}\\n</tool_call>' }}\n {%- endfor %}\n {{- '<|im_end|>\\n' }}\n {%- elif message.role == \"tool\" %}\n {%- if (loop.index0 == 0) or (messages[loop.index0 - 1].role != \"tool\") %}\n {{- '<|im_start|>user' }}\n {%- endif %}\n {{- '\\n<tool_response>\\n' }}\n {{- message.content }}\n {{- '\\n</tool_response>' }}\n {%- if loop.last or (messages[loop.index0 + 1].role != \"tool\") %}\n {{- '<|im_end|>\\n' }}\n {%- endif %}\n {%- endif %}\n{%- endfor %}\n{%- if add_generation_prompt %}\n {{- '<|im_start|>assistant\\n' }}\n{%- endif %}\n",
"clean_up_tokenization_spaces": false,
"eos_token": "<|im_end|>",
"errors": "replace",
"extra_special_tokens": {},
"model_max_length": 32768,
"pad_token": "<|endoftext|>",
"split_special_tokens": false,
"tokenizer_class": "Qwen2Tokenizer",
"unk_token": null
}

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from unsloth import FastLanguageModel, PatchFastRL
PatchFastRL("GRPO", FastLanguageModel)
from unsloth import is_bfloat16_supported
import torch
#---v4
#pip install diffusers
#!pip install "unsloth==2025.2.4" vllm
#!pip install --upgrade pillow
num_generations = 8
per_device_train_batch_size = 8
gradient_accumulation_steps = 4
num_train_epochs = 3
beta = 0.01
learning_rate = 1e-4
max_seq_length = 1650
lora_rank = 8
lora_alpha = lora_rank * 2
dataset_dir = "cot-qa-distill.csv"
model_name = "./models/deepquery4-sft-1"
output_dir = "./result/deepquery4-grpo-1"
SYS="""You are DeepQuery, a data science expert. Below, you are presented with a database schema, a question and a hint.Your task is to read the schema with annotations of the columns, understand the question and the hint, and generate a valid SQL query to answer the question. You should reason step by step, and includes your reasonings between <think> and </think>."""
model, tokenizer = FastLanguageModel.from_pretrained(
model_name = model_name,
max_seq_length = max_seq_length,
load_in_4bit = True, # False for LoRA 16bit
fast_inference = True, # Enable vLLM fast inference
max_lora_rank = lora_rank,
gpu_memory_utilization = 0.4, # Reduce if out of memory
)
tokenizer.pad_token = tokenizer.eos_token
model = FastLanguageModel.get_peft_model(
model,
r = lora_rank, # Choose any number > 0 ! Suggested 8, 16, 32, 64, 128
target_modules = [
"gate_proj","up_proj", "down_proj","q_proj", "k_proj","o_proj", "v_proj"
#"q_proj", "k_proj", "up_proj", "down_proj",
], # Remove QKVO if out of memory
lora_alpha = lora_alpha,
use_gradient_checkpointing = "unsloth", # Enable long context finetuning
random_state = 3407,
)
def extract_answer(text: str) -> str:
start_tag = 'My final answer is: \n```sql\n'
end_tag = '\n```'
start_tag_index = text.find(start_tag)
if start_tag_index != -1:
start_index = start_tag_index + len(start_tag)
end_index = text.find(end_tag, start_index)
if end_index != -1:
return text[start_index:end_index].strip()
return ""
from typing import List, Dict
def sqlparser(left, right):
def format_sql(sql):
keywords = ['SELECT', 'FROM', 'WHERE', 'GROUP BY', 'ORDER BY', 'JOIN', 'INNER JOIN', 'HAVING']
formatted_sql = sql.upper()
for keyword in keywords:
formatted_sql = re.sub(rf'\b{keyword}\b', keyword, formatted_sql, flags=re.IGNORECASE)
return formatted_sql
left = format_sql(left)
right = format_sql(right)
components = {
'SELECT': r'SELECT\s+(.+?)\s+FROM',
'FROM': r'FROM\s+(.+?)(?=\s+(?:WHERE|GROUP BY|ORDER BY|JOIN|INNER JOIN|HAVING|$))',
'JOIN': r'(?:INNER )?JOIN\s+(.+?)\s+ON\s+(.+?)(?=\s*(?:WHERE|GROUP BY|ORDER BY|JOIN|INNER JOIN|HAVING|$))',
'WHERE': r'WHERE\s+(.+?)(?=\s+(?:GROUP BY|ORDER BY|HAVING|$))',
'GROUP BY': r'GROUP BY\s+(.+?)(?=\s+(?:ORDER BY|HAVING|$))',
'HAVING': r'HAVING\s+(.+?)(?=\s+(?:ORDER BY|$))',
'ORDER BY': r'ORDER BY\s+(.+)$'
}
def parse_component(sql, component, pattern):
if component == 'SELECT':
match = re.search(pattern, sql, re.IGNORECASE)
if match:
elements = match.group(1).split(',')
return set(element.strip() for element in elements)
return set()
elif component == 'JOIN':
joins = []
for match in re.finditer(
r'(?:INNER )?JOIN\s+(.+?)\s+ON\s+(.+?)(?=\s*(?:WHERE|GROUP BY|ORDER BY|JOIN|INNER JOIN|HAVING|$))',
sql,
re.IGNORECASE
):
joins.append((match.group(1).strip(), match.group(2).strip()))
return joins
elif component in ['GROUP BY', 'ORDER BY']:
match = re.search(pattern, sql, re.IGNORECASE)
if match:
elements = match.group(1).split(',')
return set(element.strip() for element in elements)
return set()
else:
match = re.search(pattern, sql, re.IGNORECASE)
return match.group(1).strip() if match else ''
left_components = {}
right_components = {}
for component, pattern in components.items():
left_components[component] = parse_component(left, component, pattern)
right_components[component] = parse_component(right, component, pattern)
score = 0
total = 0
for component in components:
lc = left_components[component]
rc = right_components[component]
if lc or rc:
total += 1
if lc == rc:
score += 1
return score / total if total != 0 else 0
def correctness_reward_func(prompts, completions, answer, **kwargs) -> list[float]:
responses = [completion[0]['content'] for completion in completions]
extracted_responses = [extract_answer(r) for r in responses]
return [sqlparser(a, r) for r, a in zip(extracted_responses, answer)]
def bonus_reward_func(prompts, completions, answer, **kwargs) -> list[float]:
responses = [completion[0]['content'] for completion in completions]
extracted_responses = [extract_answer(r) for r in responses]
return [1.0 if r == a else 0.0 for r, a in zip(extracted_responses, answer)]
def strict_format_reward_func(completions, **kwargs) -> list[float]:
"""Reward function that checks if the completion has a specific format and minimum content length."""
pattern = r"^<think>(.*?)</think>.*"
responses = [completion[0]["content"] for completion in completions]
rewards = []
for r in responses:
match = re.match(pattern, r, re.DOTALL)
if match:
reasoning = match.group(1)
if len(reasoning.strip()) < 300:
rewards.append(0.0)
else:
rewards.append(0.1)
else:
rewards.append(0.0)
return rewards
from trl import GRPOConfig, GRPOTrainer
training_args = GRPOConfig(
use_vllm = True, # use vLLM for fast inference
learning_rate = learning_rate,
adam_beta1 = 0.9,
adam_beta2 = 0.999,
weight_decay = 0.1,
warmup_ratio = 0.1,
beta=beta,
lr_scheduler_type = "cosine",
optim = "paged_adamw_8bit",
logging_steps = 1,
bf16 = is_bfloat16_supported(),
fp16 = not is_bfloat16_supported(),
per_device_train_batch_size = per_device_train_batch_size,
gradient_accumulation_steps = gradient_accumulation_steps, # Increase to 4 for smoother training
num_generations = num_generations, # Decrease if out of memory
max_prompt_length = max_seq_length,
max_completion_length = max_seq_length//2,
num_train_epochs = num_train_epochs, # Set to 1 for a full training run
save_steps = 100,
max_grad_norm = 0.5,
report_to = "wandb", # Can use Weights & Biases
output_dir = output_dir,
)
import re
from datasets import load_dataset, Dataset
import pandas as pd
def dataset_process(name: str = dataset_dir) -> List[Dict]:
data = pd.read_csv(name)
processed_data = data.apply(lambda row: {
'prompt': [
{'role': 'system', 'content': SYS},
{'role': 'user', 'content': row['query']}
],
'answer': row['answer']
}, axis=1).tolist()
return processed_data
dataset = dataset_process()
from swanlab.integration.transformers import SwanLabCallback
swanlab_callback = SwanLabCallback(
project = "deepquery4-grpo",
experiment_name = "deepquery4-grpo-1",
)
trainer = GRPOTrainer(
model = model,
processing_class = tokenizer,
reward_funcs = [
strict_format_reward_func,
correctness_reward_func,
bonus_reward_func
],
args = training_args,
train_dataset = dataset,
callbacks = [swanlab_callback]
)
trainer.train(resume_from_checkpoint = True)