Le Yang

icon location I am Le Yang, a senior student majoring in Computer Science and Technology at HUST. I am eager to learn on GitHub and contribute my part to this community.

Results 3 issues of Le Yang

Optimize eliminate limit & TruePredicate

## Description 1.elminate LimitNode when PushLimitOffsetIntoTableScan & isPushLimitToEachDevice = true and add UT 2.eliminate FilterNode before TableScanNode when FilterNode is True Predicate ### Content1 ... ### Content2 ... ### Content3...

ConstantsFoldingRewriter

## Description 1.achieve constants folding: including ArithmeticBinaryExpression, ComparisonExpression, BetweenPredicate, LogicalExpression, NotExpression, InPredicate etc. 2.After constants folding, pushdown BETWEEN Predicate ### TESE CASE | before constants folding | after constants folding...

feat: add AstMemoryEstimator for SQL AST memory estimation