Итак ... проблема была в этой строке кода, которая работала не так, как ожидалось.Хотя не уверен, почему, поскольку он работал с запросами, которые не имели параметризованных переменных.
results = query_job.result()
df = results().to_dataframe()
И фактический код ... Не забудьте заменить вашими учетными данными для входа в систему, чтобы это работало.
import datetime, time
from google.cloud import bigquery
from google.oauth2 import service_account
import pandas as pd
#login
credentials = service_account.Credentials.from_service_account_file('your.json')
project_id = 'your-named-project'
client = bigquery.Client(credentials= credentials,project=project_id)
#The query
q_input = """
#standardSQL
WITH time AS
(
SELECT TIMESTAMP_MILLIS(timestamp) AS trans_time,
inputs.input_pubkey_base58 AS input_key,
outputs.output_pubkey_base58 AS output_key,
outputs.output_satoshis AS satoshis,
transaction_id AS trans_id
FROM `bigquery-public-data.bitcoin_blockchain.transactions`
JOIN UNNEST (inputs) AS inputs
JOIN UNNEST (outputs) AS outputs
WHERE inputs.input_pubkey_base58 = @pubkey
OR outputs.output_pubkey_base58 = @pubkey
)
SELECT input_key, output_key, satoshis, trans_id,
EXTRACT(DATE FROM trans_time) AS date
FROM time
WHERE trans_time >= @mdate AND trans_time <= @tdate AND satoshis >= @satoshis
--ORDER BY date
"""
#The desired purpose
def runQueryTransaction(varInitDate,varEndDate,pubkey,satoshis):
global df
query_params = [
bigquery.ScalarQueryParameter('mdate', 'STRING', varInitDate),
bigquery.ScalarQueryParameter('tdate', 'STRING', varEndDate),
bigquery.ScalarQueryParameter('pubkey', 'STRING', pubkey),
bigquery.ScalarQueryParameter('satoshis', 'INT64', satoshis),
]
job_config = bigquery.QueryJobConfig()
job_config.query_parameters = query_params
query_job = client.query(q_input,job_config=job_config) # API request - starts the query
results = query_job.result() # Waits for job to complete.
df=pd.DataFrame(columns=['input_key', 'output_key', 'satoshis', 'trans_id', 'date'])
for row in results:
df.loc[len(df)] = [row.input_key, row.output_key, row.satoshis, row.trans_id, row.date]
#print("{} : {} : {} : {} : {}".format(row.input_key, row.output_key, row.satoshis, row.trans_id, row.date))
return df
#runQueryTransaction(InitialDate,EndDate,WalletPublicKey,Satoshis)
runQueryTransaction('2010-05-21','2010-05-23','1XPTgDRhN8RFnzniWCddobD9iKZatrvH4',1000000000000)
Приветствия