max_ast_* session settings

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These settings are available in system.settings and are autogenerated from source.

max_ast_depth

Type

UInt64

Default

1000

The maximum nesting depth of a query syntactic tree. If exceeded, an exception is thrown.

max_ast_elements

Type

UInt64

Default

50000

The maximum number of elements in a query syntactic tree. If exceeded, an exception is thrown.