v0.3.0

Changed

• EvalExpr.evaluate function now returns a Cow of Value
• Evaluable trait's get_vars function returns by ref
• Refactor of partiql-eval crate
  • Operators previously implementing Evaluable (e.g. EvalScan, EvalFilter) are under the eval::evaluable module
  • Expressions previously implementing EvalExpr (e.g. EvalBinOpExpr, EvalLitExpr) are under the eval::expr module
• Refactor CallAgg partiql-ast node

Added

• Adds some benchmarks for parsing, compiling, planning, & evaluation
• Implements more built-in functions -- POSITION, OCTET_LEN, BIT_LEN, ABS, MOD, CARDINALITY, OVERLAY
• Implements PIVOT operator in evaluator
• Implements LIKE for non-string, non-literals
• serde feature to partiql-value and partiql-logical with Serialize and Deserialize traits
• Adds Display for LogicalPlan
• Expose partiql_value::parse_ion as a public API
• Adds some convenience methods on Value
  • Add Extend implementations for List and Bag
  • Add methods to iterate a Tuple's values without zipping its names
  • Allow collect() into a Tuple with any Into<String>
• Parse OUTER UNION/INTERSECT/EXCEPT
• Parse WITH clause
• Implements LIMIT and OFFSET operators in evaluator
• DATE/TIME/TIMESTAMP values
• Parse TABLE <id> references
• Implements GROUP BY operator in evaluator
• Implements HAVING operator in evaluator
• Implements ORDER BY operator in evaluator
• Implements SQL aggregation functions (AVG, COUNT, MAX, MIN, SUM) in evaluator

Fixes

• Some performance improvements from removing extraneous clones and tweaking buffer sizes
• Fix off by one error when checking preconditions to lower join ON
• Recognize aggregate fn names in parser
• Pass-through comments when processing special forms
• Make BY <x> optional in GROUP clause
• Fix JOIN parsing by defaulting to INNER and allowing elision of keywords
• Allow un-parenthesized subquery as the only argument of a function in parser
• Fix handling of List/Bag/Tuple in keyword argument preprocessing in parser
• Fixes Tuple value duplicate equality and hashing
• Properly skip comments when parsing