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83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
#include <Analyzer/TableNode.h>
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#include <IO/WriteBuffer.h>
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#include <IO/WriteHelpers.h>
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#include <IO/Operators.h>
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#include <Parsers/ASTIdentifier.h>
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#include <Storages/IStorage.h>
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#include <Interpreters/Context.h>
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namespace DB
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{
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TableNode::TableNode(StoragePtr storage_, StorageID storage_id_, TableLockHolder storage_lock_, StorageSnapshotPtr storage_snapshot_)
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: IQueryTreeNode(children_size)
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, storage(std::move(storage_))
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, storage_id(std::move(storage_id_))
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, storage_lock(std::move(storage_lock_))
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, storage_snapshot(std::move(storage_snapshot_))
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{}
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TableNode::TableNode(StoragePtr storage_, TableLockHolder storage_lock_, StorageSnapshotPtr storage_snapshot_)
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: TableNode(storage_, storage_->getStorageID(), std::move(storage_lock_), std::move(storage_snapshot_))
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{
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}
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void TableNode::dumpTreeImpl(WriteBuffer & buffer, FormatState & format_state, size_t indent) const
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{
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buffer << std::string(indent, ' ') << "TABLE id: " << format_state.getNodeId(this);
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if (hasAlias())
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buffer << ", alias: " << getAlias();
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buffer << ", table_name: " << storage_id.getFullNameNotQuoted();
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if (table_expression_modifiers)
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{
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buffer << ", ";
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table_expression_modifiers->dump(buffer);
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}
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}
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bool TableNode::isEqualImpl(const IQueryTreeNode & rhs) const
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{
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const auto & rhs_typed = assert_cast<const TableNode &>(rhs);
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if (table_expression_modifiers && rhs_typed.table_expression_modifiers && table_expression_modifiers != rhs_typed.table_expression_modifiers)
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return false;
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else if (table_expression_modifiers && !rhs_typed.table_expression_modifiers)
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return false;
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else if (!table_expression_modifiers && rhs_typed.table_expression_modifiers)
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return false;
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return storage_id == rhs_typed.storage_id;
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}
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void TableNode::updateTreeHashImpl(HashState & state) const
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{
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auto full_name = storage_id.getFullNameNotQuoted();
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state.update(full_name.size());
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state.update(full_name);
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if (table_expression_modifiers)
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table_expression_modifiers->updateTreeHash(state);
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}
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QueryTreeNodePtr TableNode::cloneImpl() const
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{
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auto result_table_node = std::make_shared<TableNode>(storage, storage_id, storage_lock, storage_snapshot);
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result_table_node->table_expression_modifiers = table_expression_modifiers;
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return result_table_node;
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}
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ASTPtr TableNode::toASTImpl() const
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{
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return std::make_shared<ASTTableIdentifier>(storage_id.getDatabaseName(), storage_id.getTableName());
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}
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}
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