Panduan Kejuruteraan: Hire a Freelance Programmer for Enterprise Text-to-SQL & Semantic BI Agents. Aldian Fazrihady ialah Programmer Bebas Kanan & Jurutera AI (Python, Django, FastAPI, React, Next.js, TypeScript, Golang).

Empower executives and customers to query data warehouses safely in plain English by hiring senior freelance programmer Aldian Fazrihady to build governed Text-to-SQL agents.

import sqlglot
from sqlglot import exp

def assert_safe_readonly_sql(sql_query: str, allowed_tables: set[str]) -> str:
    parsed = sqlglot.parse_one(sql_query, read="postgres")
    if not isinstance(parsed, exp.Select):
        raise ValueError("Only SELECT statements are permitted.")
    for table in parsed.find_all(exp.Table):
        if table.name.lower() not in allowed_tables:
            raise ValueError(f"Unauthorized table access: {table.name}")
    return parsed.sql("postgres")

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