12 lines
411 B
Python
12 lines
411 B
Python
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"""NL2SQL 安全 EXPLAIN 辅助函数。"""
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from __future__ import annotations
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from nl2sql.sql_security import ValidatedSql
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def build_explain_sql(validated_sql: ValidatedSql) -> str:
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"""只为已通过安全校验的 SELECT 构造 EXPLAIN 语句。"""
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if not isinstance(validated_sql, ValidatedSql):
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raise TypeError("EXPLAIN 只接受已校验 SQL")
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return f"EXPLAIN {validated_sql.sql}"
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