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Make PostgreSQL statement_cache_size configuration optional

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• Remove forced int conversion
• Allow None values for cache size
• Add conditional parameter setting

(cherry picked from commit f2c0b41e78)
This commit is contained in:
yangdx 2025-10-07 22:57:21 +08:00 • committed by Raphaël MANSUY
parent 742e6958fe
commit e0e228673c
1 changed files with 11 additions and 5 deletions
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16
lightrag/kg/postgres_impl.py
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@ -76,7 +76,9 @@ class PostgreSQLDB:
# Server settings # Server settings
self.server_settings = config.get("server_settings") self.server_settings = config.get("server_settings")
self.statement_cache_size = int(config.get("statement_cache_size"))
# Statement LRU cache size (keep as-is, allow None for optional configuration)
self.statement_cache_size = config.get("statement_cache_size")
if self.user is None or self.password is None or self.database is None: if self.user is None or self.password is None or self.database is None:
raise ValueError("Missing database user, password, or database") raise ValueError("Missing database user, password, or database")
@ -162,12 +164,16 @@ class PostgreSQLDB:
"port": self.port, "port": self.port,
"min_size": 1, "min_size": 1,
"max_size": self.max, "max_size": self.max,
"statement_cache_size": self.statement_cache_size,
} }
logger.info( # Only add statement_cache_size if it's configured
f"PostgreSQL, statement LRU cache size set as: {self.statement_cache_size}" if self.statement_cache_size is not None:
) connection_params["statement_cache_size"] = int(
self.statement_cache_size
)
logger.info(
f"PostgreSQL, statement LRU cache size set as: {self.statement_cache_size}"
)
# Add SSL configuration if provided # Add SSL configuration if provided
ssl_context = self._create_ssl_context() ssl_context = self._create_ssl_context()