Add a new script to run BigQuery queries with python client #694
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| Original file line number | Diff line number | Diff line change |
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| #!/bin/bash | ||
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| bq mk --dataset test | ||
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| bq query --use_legacy_sql=false < create.sql |
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| Original file line number | Diff line number | Diff line change |
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| from google.cloud import bigquery | ||
| from google.cloud.bigquery.enums import JobCreationMode | ||
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| import sys | ||
| from typing import TextIO, Any | ||
| from datetime import datetime | ||
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| def log(*objects: Any, sep: str = ' ', end: str = '\n', file: TextIO = sys.stderr, severity: str = 'INFO') -> None: | ||
| """ | ||
| Mimics the built-in print() function signature but prepends a | ||
| timestamp and a configurable severity level to the output. | ||
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| Args: | ||
| *objects: The objects to be printed (converted to strings). | ||
| sep (str): Separator inserted between values, default a space. | ||
| end (str): String appended after the last value, default a newline. | ||
| file (TextIO): Object with a write(string) method, default sys.stdout. | ||
| severity (str): The log level (e.g., "INFO", "WARNING", "ERROR"). | ||
| """ | ||
| # 1. Prepare the standard print content | ||
| # Use an f-string to join the objects with the specified separator | ||
| message = sep.join(str(obj) for obj in objects) | ||
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| # 2. Prepare the log prefix | ||
| timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S") | ||
| prefix = f"[{timestamp}] [{severity.upper()}]: " | ||
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| # 3. Combine the prefix and the message | ||
| full_message = prefix + message | ||
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| # 4. Use the file.write method to output the content | ||
| # The 'end' argument is handled explicitly here | ||
| file.write(full_message + end) | ||
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| # Ensure the buffer is flushed (important for file/stream output) | ||
| if file is not sys.stdout and file is not sys.stderr: | ||
| file.flush() | ||
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| job_config = bigquery.QueryJobConfig() | ||
| job_config.use_query_cache = False | ||
| client = bigquery.Client( | ||
| default_job_creation_mode=JobCreationMode.JOB_CREATION_OPTIONAL | ||
| ) | ||
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| file = open('queries.sql', 'r') | ||
| TRIES = 3 | ||
| for query in file: | ||
| query = query.strip() | ||
| print("[", end='') | ||
| for i in range(TRIES): | ||
| log(f"\n[{i}]: {query}") | ||
| try: | ||
| client_start_time = datetime.now() | ||
| results = client.query_and_wait(query, job_config=job_config) | ||
| client_end_time = datetime.now() | ||
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| client_time = client_end_time - client_start_time | ||
| client_time_secs = client_time.total_seconds() | ||
| endstr = "],\n" if i == 2 else "," | ||
| print(f"{client_time_secs}", end=endstr) | ||
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| log(f"Job ID: **{results.job_id}**") | ||
| log(f"Query ID: **{results.query_id}**") | ||
| log(f"Client time: **{client_time}**") | ||
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| except Exception as e: | ||
| log(f"Job failed with error: {e}", severity="ERROR") |
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L. 6: That should be
source ~/.bashrcplease