#include <RelAlgDag.h>

Inheritance diagram for RelModify:

Collaboration diagram for RelModify:

Public Types
enum	ModifyOperation { ModifyOperation::Insert, ModifyOperation::Delete, ModifyOperation::Update }

using	RelAlgNodeInputPtr = std::shared_ptr< const RelAlgNode >

using	TargetColumnList = std::vector< std::string >

Public Member Functions
	RelModify (Catalog_Namespace::Catalog const &cat, TableDescriptor const *const td)

	RelModify (Catalog_Namespace::Catalog const &cat, TableDescriptor const *const td, bool flattened, std::string const &op_string, TargetColumnList const &target_column_list, RelAlgNodeInputPtr input)

	RelModify (Catalog_Namespace::Catalog const &cat, TableDescriptor const *const td, bool flattened, ModifyOperation op, TargetColumnList const &target_column_list, RelAlgNodeInputPtr input)

TableDescriptor const *const	getTableDescriptor () const

bool const	isFlattened () const

ModifyOperation	getOperation () const

TargetColumnList const &	getUpdateColumnNames () const

int	getUpdateColumnCount () const

size_t	size () const override

std::shared_ptr< RelAlgNode >	deepCopy () const override

std::string	toString (RelRexToStringConfig config=RelRexToStringConfig::defaults()) const override

size_t	toHash () const override

void	applyUpdateModificationsToInputNode ()

void	applyDeleteModificationsToInputNode ()

Public Member Functions inherited from RelAlgNode
	RelAlgNode (RelAlgInputs inputs={})

virtual	~RelAlgNode ()

void	resetQueryExecutionState ()

void	setContextData (const RaExecutionDesc *context_data) const

void	setOutputMetainfo (std::vector< TargetMetaInfo > targets_metainfo) const

void	setQueryPlanDag (const std::string &extracted_query_plan_dag) const

std::string	getQueryPlanDag () const

size_t	getQueryPlanDagHash () const

const std::vector < TargetMetaInfo > &	getOutputMetainfo () const

unsigned	getId () const

void	setIdInPlanTree (size_t id) const

std::optional< size_t >	getIdInPlanTree () const

bool	hasContextData () const

const RaExecutionDesc *	getContextData () const

const size_t	inputCount () const

const RelAlgNode *	getInput (const size_t idx) const

std::shared_ptr< const RelAlgNode >	getAndOwnInput (const size_t idx) const

void	addManagedInput (std::shared_ptr< const RelAlgNode > input)

bool	hasInput (const RelAlgNode *needle) const

virtual void	replaceInput (std::shared_ptr< const RelAlgNode > old_input, std::shared_ptr< const RelAlgNode > input)

void	setRelNodeDagId (const size_t id) const

size_t	getRelNodeDagId () const

bool	isNop () const

void	markAsNop ()

void	clearContextData () const

Static Public Member Functions
static std::string	yieldModifyOperationString (ModifyOperation const op)

static ModifyOperation	yieldModifyOperationEnum (std::string const &op_string)

Static Public Member Functions inherited from RelAlgNode
static void	resetRelAlgFirstId () noexcept

Private Attributes
Catalog_Namespace::Catalog const &	catalog_

const TableDescriptor *	table_descriptor_

bool	flattened_

ModifyOperation	operation_

TargetColumnList	target_column_list_

Friends
struct	RelAlgDagSerializer

Additional Inherited Members
Protected Attributes inherited from RelAlgNode
RelAlgInputs	inputs_

unsigned	id_

std::optional< size_t >	id_in_plan_tree_

std::optional< size_t >	hash_

Detailed Description

Definition at line 2018 of file RelAlgDag.h.

Member Typedef Documentation

using RelModify::RelAlgNodeInputPtr = std::shared_ptr<const RelAlgNode>

Definition at line 2021 of file RelAlgDag.h.

using RelModify::TargetColumnList = std::vector<std::string>

Definition at line 2022 of file RelAlgDag.h.

Member Enumeration Documentation

enum RelModify::ModifyOperation

strong

Enumerator
Insert
Delete
Update

Definition at line 2020 of file RelAlgDag.h.

2020 { Insert, Delete, Update };

Constructor & Destructor Documentation

RelModify::RelModify	(	Catalog_Namespace::Catalog const &	cat,
		TableDescriptor const *const	td
	)

inline

Definition at line 2052 of file RelAlgDag.h.

Referenced by toHash().

       : catalog_{cat}
       , table_descriptor_{td}
       , flattened_{false}
       , operation_{ModifyOperation::Insert} {}

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RelModify::RelModify	(	Catalog_Namespace::Catalog const &	cat,
		TableDescriptor const *const	td,
		bool	flattened,
		std::string const &	op_string,
		TargetColumnList const &	target_column_list,
		RelAlgNodeInputPtr	input
	)

inline

Definition at line 2058 of file RelAlgDag.h.

References RelAlgNode::inputs_, table_descriptor_, and foreign_storage::validate_non_foreign_table_write().

       : catalog_(cat)
       , table_descriptor_(td)
       , flattened_(flattened)
       , operation_(yieldModifyOperationEnum(op_string))
       , target_column_list_(target_column_list) {
     foreign_storage::validate_non_foreign_table_write(table_descriptor_);
     inputs_.push_back(input);
   }

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RelModify::RelModify	(	Catalog_Namespace::Catalog const &	cat,
		TableDescriptor const *const	td,
		bool	flattened,
		ModifyOperation	op,
		TargetColumnList const &	target_column_list,
		RelAlgNodeInputPtr	input
	)

inline

Definition at line 2073 of file RelAlgDag.h.

References RelAlgNode::inputs_, table_descriptor_, and foreign_storage::validate_non_foreign_table_write().

       : catalog_(cat)
       , table_descriptor_(td)
       , flattened_(flattened)
       , operation_(op)
       , target_column_list_(target_column_list) {
     foreign_storage::validate_non_foreign_table_write(table_descriptor_);
     inputs_.push_back(input);
   }

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Member Function Documentation

void RelModify::applyDeleteModificationsToInputNode ( )

inline

Definition at line 2206 of file RelAlgDag.h.

References CHECK, RelAlgNode::inputs_, ModifyManipulationTarget::setDeleteViaSelectFlag(), ModifyManipulationTarget::setModifiedTableDescriptor(), and table_descriptor_.

                                              {
     RelProject const* previous_project_node =
         dynamic_cast<RelProject const*>(inputs_[0].get());
     CHECK(previous_project_node != nullptr);
     previous_project_node->setDeleteViaSelectFlag(true);
     previous_project_node->setModifiedTableDescriptor(table_descriptor_);
   }

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void RelModify::applyUpdateModificationsToInputNode ( )

inline

Definition at line 2139 of file RelAlgDag.h.

References catalog_, CHECK, TableDescriptor::fragmenter, Catalog_Namespace::Catalog::getMetadataForColumn(), Catalog_Namespace::Catalog::getShardColumnMetadataForTable(), RelProject::hasWindowFunctionExpr(), RelAlgNode::inputs_, TableDescriptor::nShards, ModifyManipulationTarget::setModifiedTableDescriptor(), ModifyManipulationTarget::setTargetColumns(), ModifyManipulationTarget::setUpdateViaSelectFlag(), ModifyManipulationTarget::setVarlenUpdateRequired(), table_descriptor_, TableDescriptor::tableId, target_column_list_, and RelProject::visitScalarExprs().

                                              {
     RelProject const* previous_project_node =
         dynamic_cast<RelProject const*>(inputs_[0].get());
     CHECK(previous_project_node != nullptr);
 
     if (previous_project_node->hasWindowFunctionExpr()) {
       if (table_descriptor_->fragmenter->getNumFragments() > 1) {
         throw std::runtime_error(
             "UPDATE of a column of multi-fragmented table using window function not "
             "currently supported.");
       }
       if (table_descriptor_->nShards > 0) {
         throw std::runtime_error(
             "UPDATE of a column of sharded table using window function not "
             "currently supported.");
       }
     }
 
     previous_project_node->setUpdateViaSelectFlag(true);
     // remove the offset column in the projection for update handling
     target_column_list_.pop_back();
 
     previous_project_node->setModifiedTableDescriptor(table_descriptor_);
     previous_project_node->setTargetColumns(target_column_list_);
 
     int target_update_column_expr_start = 0;
     int target_update_column_expr_end = (int)(target_column_list_.size() - 1);
     CHECK(target_update_column_expr_start >= 0);
     CHECK(target_update_column_expr_end >= 0);
 
     bool varlen_update_required = false;
 
     auto varlen_scan_visitor = [this,
                                 &varlen_update_required,
                                 target_update_column_expr_start,
                                 target_update_column_expr_end](int index) {
       if (index >= target_update_column_expr_start &&
           index <= target_update_column_expr_end) {
         auto target_index = index - target_update_column_expr_start;
 
         auto* column_desc = catalog_.getMetadataForColumn(
             table_descriptor_->tableId, target_column_list_[target_index]);
         CHECK(column_desc);
 
         if (table_descriptor_->nShards) {
           const auto shard_cd =
               catalog_.getShardColumnMetadataForTable(table_descriptor_);
           CHECK(shard_cd);
           if ((column_desc->columnName == shard_cd->columnName)) {
             throw std::runtime_error("UPDATE of a shard key is currently unsupported.");
           }
         }
 
         // Check for valid types
         if (column_desc->columnType.is_varlen()) {
           varlen_update_required = true;
         }
         if (column_desc->columnType.is_geometry()) {
           throw std::runtime_error("UPDATE of a geo column is unsupported.");
         }
       }
     };
 
     previous_project_node->visitScalarExprs(varlen_scan_visitor);
     previous_project_node->setVarlenUpdateRequired(varlen_update_required);
   }

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std::shared_ptr<RelAlgNode> RelModify::deepCopy ( ) const

inlineoverridevirtual

Implements RelAlgNode.

Definition at line 2095 of file RelAlgDag.h.

                                                       {
     return std::make_shared<RelModify>(*this);
   }

ModifyOperation RelModify::getOperation ( ) const

inline

Definition at line 2090 of file RelAlgDag.h.

References operation_.

2090 { return operation_; }

RelModify::operation_

ModifyOperation operation_

Definition: RelAlgDag.h:2218

TableDescriptor const* const RelModify::getTableDescriptor ( ) const

inline

Definition at line 2088 of file RelAlgDag.h.

References table_descriptor_.

2088 { return table_descriptor_; }

RelModify::table_descriptor_

const TableDescriptor * table_descriptor_

Definition: RelAlgDag.h:2216

int RelModify::getUpdateColumnCount ( ) const

inline

Definition at line 2092 of file RelAlgDag.h.

References target_column_list_.

2092 { return target_column_list_.size(); }

RelModify::target_column_list_

TargetColumnList target_column_list_

Definition: RelAlgDag.h:2219

TargetColumnList const& RelModify::getUpdateColumnNames ( ) const

inline

Definition at line 2091 of file RelAlgDag.h.

References target_column_list_.

2091 { return target_column_list_; }

RelModify::target_column_list_

TargetColumnList target_column_list_

Definition: RelAlgDag.h:2219

bool const RelModify::isFlattened ( ) const

inline

Definition at line 2089 of file RelAlgDag.h.

References flattened_.

2089 { return flattened_; }

RelModify::flattened_

bool flattened_

Definition: RelAlgDag.h:2217

size_t RelModify::size ( ) const

inlineoverridevirtual

Implements RelAlgNode.

Definition at line 2094 of file RelAlgDag.h.

2094 { return 0; }

size_t RelModify::toHash ( ) const

inlineoverridevirtual

Implements RelAlgNode.

Definition at line 2125 of file RelAlgDag.h.

References flattened_, RelAlgNode::hash_, RelAlgNode::inputs_, operation_, RelModify(), table_descriptor_, TableDescriptor::tableName, target_column_list_, toString(), and yieldModifyOperationString().

                                  {
     if (!hash_) {
       hash_ = typeid(RelModify).hash_code();
       boost::hash_combine(*hash_, table_descriptor_->tableName);
       boost::hash_combine(*hash_, flattened_);
       boost::hash_combine(*hash_, yieldModifyOperationString(operation_));
       boost::hash_combine(*hash_, ::toString(target_column_list_));
       for (auto& node : inputs_) {
         boost::hash_combine(*hash_, node->toHash());
       }
     }
     return *hash_;
   }

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std::string RelModify::toString ( RelRexToStringConfig config = RelRexToStringConfig::defaults() ) const

inlineoverridevirtual

Implements RelAlgNode.

Definition at line 2099 of file RelAlgDag.h.

References cat(), flattened_, RelAlgNode::inputs_, operation_, table_descriptor_, TableDescriptor::tableName, target_column_list_, to_string(), typeName(), and yieldModifyOperationString().

Referenced by toHash().

                                                                                    {
     auto ret = cat(::typeName(this),
                    "(",
                    table_descriptor_->tableName,
                    ", flattened=",
                    std::to_string(flattened_),
                    ", op=",
                    yieldModifyOperationString(operation_),
                    ", target_column_list=",
                    ::toString(target_column_list_));
     if (!config.skip_input_nodes) {
       ret += ", inputs=", ::toString(inputs_);
     } else {
       ret += ", input node id={";
       for (auto& input : inputs_) {
         auto node_id_in_plan = input->getIdInPlanTree();
         auto node_id_str = node_id_in_plan ? std::to_string(*node_id_in_plan)
                                            : std::to_string(input->getId());
         ret += node_id_str + " ";
       }
       ret += "}";
     }
     return cat(ret, ")");
   }

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static ModifyOperation RelModify::yieldModifyOperationEnum ( std::string const & op_string )

inlinestatic

Definition at line 2038 of file RelAlgDag.h.

References Delete, Insert, and Update.

                                                                               {
     if (op_string == "INSERT") {
       return ModifyOperation::Insert;
     } else if (op_string == "DELETE") {
       return ModifyOperation::Delete;
     } else if (op_string == "UPDATE") {
       return ModifyOperation::Update;
     }
 
     throw std::runtime_error(
         std::string("Unsupported logical modify operation encountered " + op_string));
   }

static std::string RelModify::yieldModifyOperationString ( ModifyOperation const op )

inlinestatic

Definition at line 2024 of file RelAlgDag.h.

References Delete, Insert, and Update.

Referenced by toHash(), and toString().

                                                                         {
     switch (op) {
       case ModifyOperation::Delete:
         return "DELETE";
       case ModifyOperation::Insert:
         return "INSERT";
       case ModifyOperation::Update:
         return "UPDATE";
       default:
         break;
     }
     throw std::runtime_error("Unexpected ModifyOperation enum encountered.");
   }

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Friends And Related Function Documentation

friend struct RelAlgDagSerializer

friend

Definition at line 2221 of file RelAlgDag.h.

Member Data Documentation

Catalog_Namespace::Catalog const& RelModify::catalog_

private

Definition at line 2215 of file RelAlgDag.h.

Referenced by applyUpdateModificationsToInputNode().

bool RelModify::flattened_

private

Definition at line 2217 of file RelAlgDag.h.

Referenced by isFlattened(), toHash(), and toString().

ModifyOperation RelModify::operation_

private

Definition at line 2218 of file RelAlgDag.h.

Referenced by getOperation(), toHash(), and toString().

const TableDescriptor* RelModify::table_descriptor_

private

Definition at line 2216 of file RelAlgDag.h.

Referenced by applyDeleteModificationsToInputNode(), applyUpdateModificationsToInputNode(), getTableDescriptor(), RelModify(), toHash(), and toString().

TargetColumnList RelModify::target_column_list_

private

Definition at line 2219 of file RelAlgDag.h.

Referenced by applyUpdateModificationsToInputNode(), getUpdateColumnCount(), getUpdateColumnNames(), toHash(), and toString().

The documentation for this class was generated from the following file:

/home/jenkins-slave/workspace/core-os-doxygen/QueryEngine/RelAlgDag.h

Public Types

Public Member Functions

Static Public Member Functions

Private Attributes

Friends

Additional Inherited Members

Detailed Description

Member Typedef Documentation

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation