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Separate glob and like regex caches

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rjhallsted
2024-09-16 16:22:31 -07:00
parent af09f0b7f4
commit 338effa0ca
1 changed files with 17 additions and 4 deletions
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21
core/vdbe/mod.rs
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@@ -413,6 +413,19 @@ pub enum StepResult<'a> {
Row(Record<'a>),
}
struct RegexCache {
like: HashMap<String, Regex>,
glob: HashMap<String, Regex>,
}
impl RegexCache {
fn new() -> Self {
RegexCache {
like: HashMap::new(),
glob: HashMap::new(),
}
}
}
/// The program state describes the environment in which the program executes.
pub struct ProgramState {
pub pc: BranchOffset,
@@ -420,7 +433,7 @@ pub struct ProgramState {
registers: Vec<OwnedValue>,
last_compare: Option<std::cmp::Ordering>,
ended_coroutine: bool, // flag to notify yield coroutine finished
regex_cache: HashMap<String, Regex>, // TODO: Make multiple caches for LIKE and GLOB
regex_cache: RegexCache,
}
impl ProgramState {
@@ -434,7 +447,7 @@ impl ProgramState {
registers,
last_compare: None,
ended_coroutine: false,
regex_cache: HashMap::new(),
regex_cache: RegexCache::new(),
}
}
@@ -1446,7 +1459,7 @@ impl Program {
let result = match (pattern, text) {
(OwnedValue::Text(pattern), OwnedValue::Text(text)) => {
let cache = if *constant_mask > 0 {
Some(&mut state.regex_cache)
Some(&mut state.regex_cache.glob)
} else {
None
};
@@ -1465,7 +1478,7 @@ impl Program {
let result = match (pattern, text) {
(OwnedValue::Text(pattern), OwnedValue::Text(text)) => {
let cache = if *constant_mask > 0 {
Some(&mut state.regex_cache)
Some(&mut state.regex_cache.like)
} else {
None
};