NLP interface for pypreql.
Project description
PreQL NLP
Natural language interface for generating PreQL query objects.
PreQL is easier for a large language model to interact with as it requires only extract relevant concepts from a text, classifying them as metrics or dimensions, and mapping them to what is available in a model.
This makes it more testable and less prone to hallucination than generating SQL directly.
Requires setting the following environment variables
- OPENAI_API_KEY
- OPENAI_MODEL
Recommended to use "gpt-3.5-turbo" or higher as the model.
Examples
Basic BQ example
from trilogy_public_models import models
from preql import Executor, default_engine, Dialect
from preql_nlp import build_query
# define the model we want to parse
environment = models["bigquery.stack_overflow"]
# set up preql executor
# default bigquery executor requires local default credentials configured
executor = Dialect.BIGQUERY.default_executor(environment= environment)
# build a query off text and the selected model
processed_query = build_query(
"How many questions are asked per year?",
environment,
)
# make sure we got reasonable outputs
for concept in processed_query.output_columns:
print(concept.name)
# and run that to get our answer
results = executor.execute_query(processed_query)
for row in results:
print(row)
Setting Up Your Environment
Recommend that you work in a virtual environment with requirements from both requirements.txt and requirements-test.txt installed. The latter is necessary to run tests (surprise).
Pypreql-nlp is python 3.10+
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