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Modify LIKE to handle all affinities including Nulls

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This commit is contained in:
m0hossam
2025-02-22 04:43:43 +02:00
parent 2425b601f7
commit 2204d92a0b
1 changed files with 25 additions and 9 deletions
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34
core/vdbe/mod.rs
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@@ -2104,12 +2104,22 @@ impl Program {
}
ScalarFunc::Like => {
let pattern = &state.registers[*start_reg];
let text = exec_cast(&state.registers[*start_reg + 1], "TEXT");
let match_expression = &state.registers[*start_reg + 1];
let result = match (pattern, text) {
(OwnedValue::Text(pattern), OwnedValue::Text(text))
if arg_count == 3 =>
{
let pattern = match pattern {
OwnedValue::Text(_) => pattern.clone(),
_ => exec_cast(pattern, "TEXT"),
};
let match_expression = match match_expression {
OwnedValue::Text(_) => match_expression.clone(),
_ => exec_cast(match_expression, "TEXT"),
};
let result = match (pattern, match_expression) {
(
OwnedValue::Text(pattern),
OwnedValue::Text(match_expression),
) if arg_count == 3 => {
let escape = match construct_like_escape_arg(
&state.registers[*start_reg + 2],
) {
@@ -2119,12 +2129,15 @@ impl Program {
OwnedValue::Integer(exec_like_with_escape(
&pattern.as_str(),
&text.as_str(),
&match_expression.as_str(),
escape,
)
as i64)
}
(OwnedValue::Text(pattern), OwnedValue::Text(text)) => {
(
OwnedValue::Text(pattern),
OwnedValue::Text(match_expression),
) => {
let cache = if *constant_mask > 0 {
Some(&mut state.regex_cache.like)
} else {
@@ -2133,12 +2146,15 @@ impl Program {
OwnedValue::Integer(exec_like(
cache,
&pattern.as_str(),
&text.as_str(),
&match_expression.as_str(),
)
as i64)
}
(OwnedValue::Null, OwnedValue::Null)
| (OwnedValue::Null, _)
| (_, OwnedValue::Null) => OwnedValue::Null,
_ => {
unreachable!("Like on non-text registers");
unreachable!("Like failed");
}
};