44 lines
1.9 KiB
Rust
44 lines
1.9 KiB
Rust
use once_cell::sync::Lazy;
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#[cfg(not(target_arch = "wasm32"))]
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#[allow(dead_code)]
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/// Specifies how many concurrent jobs can be buffered in the worker channel.
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pub const MAX_CONCURRENT_TASKS: usize = 64;
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/// Specifies how deep various forms of computation will go before the query fails
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/// with [`crate::error::Db::ComputationDepthExceeded`].
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///
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/// For reference, use ~15 per MiB of stack in release mode.
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///
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/// During query parsing, the total depth of calls to parse values (including arrays, expressions,
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/// functions, objects, sub-queries), Javascript values, and geometry collections count against
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/// this limit.
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///
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/// During query execution, all potentially-recursive code paths count against this limit. Whereas
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/// parsing assigns equal weight to each recursion, certain expensive code paths are allowed to
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/// count for more than one unit of depth during execution.
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pub static MAX_COMPUTATION_DEPTH: Lazy<u8> = Lazy::new(|| {
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option_env!("SURREAL_MAX_COMPUTATION_DEPTH").and_then(|s| s.parse::<u8>().ok()).unwrap_or(120)
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});
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/// Specifies the names of parameters which can not be specified in a query.
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pub const PROTECTED_PARAM_NAMES: &[&str] = &["auth", "scope", "token", "session"];
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/// The characters which are supported in server record IDs.
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pub const ID_CHARS: [char; 36] = [
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'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
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'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
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];
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/// The publicly visible name of the server
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pub const SERVER_NAME: &str = "SurrealDB";
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/// Datastore processor batch size for scan operations
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pub const PROCESSOR_BATCH_SIZE: u32 = 50;
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/// Forward all signup/signin query errors to a client trying authenticate to a scope. Do not use in production.
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pub static INSECURE_FORWARD_SCOPE_ERRORS: Lazy<bool> = Lazy::new(|| {
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option_env!("SURREAL_INSECURE_FORWARD_SCOPE_ERRORS")
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.and_then(|s| s.parse::<bool>().ok())
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.unwrap_or(false)
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});
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