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feat: handle AND/OR and priority in matches fn #4270
Conversation
Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
Note Reviews pausedUse the following commands to manage reviews:
WalkthroughThis update implements significant changes in the Changes
Sequence Diagram(s)sequenceDiagram
participant User as User
participant MatchesFunction as MatchesFunction
participant PatternAst as PatternAst
participant ASTTransformer as ASTTransformer
User->>MatchesFunction: Execute match function
MatchesFunction->>PatternAst: Parse Pattern Expression
PatternAst->>ASTTransformer: Initiate transformation process
ASTTransformer-->>PatternAst: Return transformed AST
PatternAst-->>MatchesFunction: Transformed AST
MatchesFunction-->>User: Evaluate and return results
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Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
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Actionable comments posted: 0
Outside diff range and nitpick comments (1)
src/common/function/src/scalars/matches.rs (1)
Line range hint
15-18
: Potential issue with the recursive call ineval
.The recursive call to
self.eval
in theeval
function might cause a stack overflow if the pattern is too complex. Consider refactoring this part to avoid deep recursion.- self.eval(columns[0].clone(), pattern) + self.evaluate(columns[0].clone(), pattern)fn evaluate(&self, data: VectorRef, pattern: String) -> Result<VectorRef> { // existing implementation }
Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Files selected for processing (2)
- src/common/function/src/lib.rs (1 hunks)
- src/common/function/src/scalars/matches.rs (12 hunks)
Files skipped from review due to trivial changes (1)
- src/common/function/src/lib.rs
Additional comments not posted (19)
src/common/function/src/scalars/matches.rs (19)
165-185
: LGTM!The function
into_like_expr
correctly handles the new AST structure and the use of thereduce
method is appropriate.
209-219
: LGTM!The function
transform_ast
correctly applies the transformation rules and the use of thetransform_up
andtransform_down
methods is appropriate.
226-266
: LGTM!The function
collapse_binary_branch_fn
correctly collapses binary branches with the same operator and the use of theTransformed
enum is appropriate.
273-339
: LGTM!The function
eliminate_optional_fn
correctly eliminates optional patterns based on the specified rules.
346-364
: LGTM!The function
eliminate_single_child_fn
correctly eliminates single child nodes.
369-384
: LGTM!The function
apply_children
correctly implements theapply_children
method of theTreeNode
trait forPatternAst
.
387-402
: LGTM!The function
map_children
correctly implements themap_children
method of theTreeNode
trait forPatternAst
.
Line range hint
424-435
: LGTM!The function
parse_pattern
correctly handles the new AST structure and the use of theto_rpn
method is appropriate.
147-150
: LGTM!The enum variant
PatternAst::Binary
correctly includes children for binary operations.
151-157
: LGTM!The enum variant
UnaryOp
correctly represents unary operators.
158-164
: LGTM!The enum variant
BinaryOp
correctly represents binary operators.
Line range hint
784-805
: LGTM!The enum variant
Token
correctly includes new token types for the parser.
Line range hint
137-146
: LGTM!The enum variant
PatternAst
correctly includes new variants for pattern matching.
Line range hint
165-402
: LGTM!The struct implementation
PatternAst
correctly includes new methods for pattern matching.
Line range hint
424-435
: LGTM!The struct implementation
ParserContext
correctly handles the new AST structure.
Line range hint
784-805
: LGTM!The test function
valid_matches_tokenizer
correctly includes new test cases for the tokenizer.
Line range hint
784-805
: LGTM!The test function
invalid_matches_tokenizer
correctly includes new test cases for invalid patterns.
Line range hint
784-805
: LGTM!The test function
valid_ast_transformer
correctly tests the AST transformer with various cases.
Line range hint
784-805
: LGTM!The test function
valid_matches_parser
correctly includes new test cases for the parser.
Actions performedReviews paused. |
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #4270 +/- ##
==========================================
- Coverage 84.94% 84.68% -0.27%
==========================================
Files 1057 1057
Lines 187517 187814 +297
==========================================
- Hits 159279 159041 -238
- Misses 28238 28773 +535 |
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Looks good to me. I have a question: how can we match string literals that are keywords, such as AND
and OR
? Is there a way to escape them?
quote them should fine. I'll add a test case for this. |
Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
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LGTM
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LGTM
I hereby agree to the terms of the GreptimeDB CLA.
Refer to a related PR or issue link (optional)
What's changed and what's your intention?
The A in AST is for abstract. So does this patch
Checklist
Summary by CodeRabbit
New Features
Refactor