mirror of
https://github.com/ClickHouse/ClickHouse.git
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a1b0dede07
* made index parser * added index parsing * some fixes * added index interface and factory * fixed compilation * ptrs * added indexParts * indextypes * index condition * IndexCondition * added indexes in selectexecutor * fix * changed comment * fix * added granularity * comments * fix * fix * added writing indexes * removed indexpart class * fix * added setSkipIndexes * add rw for MergeTreeIndexes * fixes * upd error * fix * fix * reading * test index * fixed nullptr error * fixed * fix * unique names * asts -> exprlist * minmax index * fix * fixed select * fixed merging * fixed mutation * working minmax * removed test index * fixed style * added indexes to checkDataPart * added tests for minmax index * fixed constructor * fix style * fixed includes * fixed setSkipIndexes * added indexes meta to zookeeper * added parsing * removed throw * alter cmds parse * fix * added alter * fix * alters fix * fix alters * fix "after" * fixed alter * alter fix + test * fixes * upd setSkipIndexes * fixed alter bug with drop all indices * fix metadata editing * new test and repl fix * rm test files * fixed repl alter * fix * fix * indices * MTReadStream * upd test for bug * fix * added useful parsers and ast classes * fix * fix comments * replaced columns * fix * fixed parsing * fixed printing * fix err * basic IndicesDescription * go to IndicesDescr * moved indices * go to indicesDescr * fix test minmax_index* * fixed MT alter * fixed bug with replMT indices storing in zk * rename * refactoring * docs ru * docs ru * docs en * refactor * rename tests * fix docs * refactoring * fix * fix * fix * fixed style * unique idx * unique * fix * better minmax calculation * upd * added getBlock * unique_condition * added termForAST * unique * fixed not * uniqueCondition::mayBeTrueOnGranule * fix * fixed bug with double column * is always true * fix * key set * spaces * test * tests * fix * unique * fix * fix * fixed bug with duplicate column * removed unused data * fix * fixes * __bitSwapLastTwo * fix
63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
#pragma once
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#include <Storages/ColumnsDescription.h>
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#include <Storages/IndicesDescription.h>
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namespace DB
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{
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/** Description of the table.
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* Is not thread safe. See IStorage::lockStructure ().
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*/
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class ITableDeclaration
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{
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public:
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virtual const ColumnsDescription & getColumns() const { return columns; }
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virtual void setColumns(ColumnsDescription columns_);
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virtual const IndicesDescription & getIndicesDescription() const { return indices; }
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virtual void setIndicesDescription(IndicesDescription indices_);
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/// NOTE: These methods should include virtual columns, but should NOT include ALIAS columns
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/// (they are treated separately).
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virtual NameAndTypePair getColumn(const String & column_name) const;
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virtual bool hasColumn(const String & column_name) const;
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Block getSampleBlock() const;
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Block getSampleBlockNonMaterialized() const;
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/// Including virtual and alias columns.
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Block getSampleBlockForColumns(const Names & column_names) const;
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/** Verify that all the requested names are in the table and are set correctly.
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* (the list of names is not empty and the names do not repeat)
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*/
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void check(const Names & column_names) const;
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/** Check that all the requested names are in the table and have the correct types.
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*/
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void check(const NamesAndTypesList & columns) const;
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/** Check that all names from the intersection of `names` and `columns` are in the table and have the same types.
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*/
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void check(const NamesAndTypesList & columns, const Names & column_names) const;
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/** Check that the data block contains all the columns of the table with the correct types,
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* contains only the columns of the table, and all the columns are different.
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* If need_all, checks that all the columns of the table are in the block.
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*/
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void check(const Block & block, bool need_all = false) const;
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ITableDeclaration() = default;
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explicit ITableDeclaration(ColumnsDescription columns_);
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virtual ~ITableDeclaration() = default;
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private:
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ColumnsDescription columns;
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IndicesDescription indices;
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};
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}
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