WIP: cooperative memory management #1
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…aTypes) (apache#8985) * ScalarValue return types from argument values * change file name * try using ?Sized * use Ok * move method default impl outside trait * Use type trait for ExprSchemable * fix nit * Proposed Return Type from Expr suggestions (#1) * Improve return_type_from_args * Rework example * Update datafusion/core/tests/user_defined/user_defined_scalar_functions.rs --------- Co-authored-by: Junhao Liu <[email protected]> * Apply suggestions from code review Co-authored-by: Alex Huang <[email protected]> * Fix tests + clippy * rework types to use dyn trait * fmt * docs * Apply suggestions from code review Co-authored-by: Jeffrey Vo <[email protected]> * Add docs explaining what happens when both `return_type` and `return_type_from_exprs` are called * clippy * fix doc -- comedy of errors --------- Co-authored-by: Andrew Lamb <[email protected]> Co-authored-by: Alex Huang <[email protected]> Co-authored-by: Jeffrey Vo <[email protected]>
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* refactor `TreeNode::rewrite()` * use handle_tree_recursion in `Expr` * use macro for transform recursions * fix api * minor fixes * fix * don't trust `t.transformed` coming from transformation closures, keep the old way of detecting if changes were made * rephrase todo comment, always propagate up `t.transformed` from the transformation closure, fix projection pushdown closure * Fix `TreeNodeRecursion` docs * extend Skip (Prune) functionality to Jump as it is defined in https://synnada.notion.site/synnada/TreeNode-Design-Proposal-bceac27d18504a2085145550e267c4c1 * fix Jump and add tests * jump test fixes * fix clippy * unify "transform" traversals using macros, fix "visit" traversal jumps, add visit jump tests, ensure consistent naming `f` instead of `op`, `f_down` instead of `pre_visit` and `f_up` instead of `post_visit` * fix macro rewrite * minor fixes * minor fix * refactor tests * add transform tests * add apply, transform_down and transform_up tests * refactor tests * test jump on both a and e nodes in both top-down and bottom-up traversals * better transform/rewrite tests * minor fix * simplify tests * add stop tests, reorganize tests * fix previous merges and remove leftover file * Review TreeNode Refactor (#1) * Minor changes * Jump doesn't ignore f_up * update test * Update rewriter * LogicalPlan visit update and propagate from children flags * Update tree_node.rs * Update map_children's --------- Co-authored-by: Mustafa Akur <[email protected]> * fix * minor fixes * fix f_up call when f_down returns jump * simplify code * minor fix * revert unnecessary changes * fix `DynTreeNode` and `ConcreteTreeNode` `transformed` and `tnr` propagation * introduce TransformedResult helper * fix docs * restore transform as alias to trassform_up * restore transform as alias to trassform_up 2 * Simplifications and comment improvements (#2) --------- Co-authored-by: Berkay Şahin <[email protected]> Co-authored-by: Mustafa Akur <[email protected]> Co-authored-by: Mehmet Ozan Kabak <[email protected]>
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