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language:
- EN
datasets:
- wikisql
widget:
- example-1: "English to SQL: Show me the average age of of wines in Italy by provinces"
- example-2: "English to SQL: What is the current series where the new series began in June 2011?"
---
#import transformers
from transformers import (
T5ForConditionalGeneration,
T5Tokenizer,
)
#load model
model = T5ForConditionalGeneration.from_pretrained('dsivakumar/text2sql')
tokenizer = T5Tokenizer.from_pretrained('dsivakumar/text2sql')
#predict function
def get_sql(query,tokenizer,model):
source_text= "English to SQL: "+query
source_text = ' '.join(source_text.split())
source = tokenizer.batch_encode_plus([source_text],max_length= 128, pad_to_max_length=True, truncation=True, padding="max_length", return_tensors='pt')
source_ids = source['input_ids'] #.squeeze()
source_mask = source['attention_mask']#.squeeze()
generated_ids = model.generate(
input_ids = source_ids.to(dtype=torch.long),
attention_mask = source_mask.to(dtype=torch.long),
max_length=150,
num_beams=2,
repetition_penalty=2.5,
length_penalty=1.0,
early_stopping=True
)
preds = [tokenizer.decode(g, skip_special_tokens=True, clean_up_tokenization_spaces=True) for g in generated_ids]
return preds
#test
query="Show me the average age of of wines in Italy by provinces"
sql = get_sql(query,tokenizer,model)
print(sql)
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