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54 lines
1.1 KiB
C++
54 lines
1.1 KiB
C++
#include <Storages/IndicesDescription.h>
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#include <Parsers/ASTIndexDeclaration.h>
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#include <Parsers/formatAST.h>
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#include <Parsers/ParserCreateQuery.h>
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#include <Parsers/parseQuery.h>
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namespace DB
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{
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bool IndicesDescription::empty() const
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{
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return indices.empty();
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}
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bool IndicesDescription::has(const String & name) const
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{
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return std::cend(indices) != std::find_if(
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std::cbegin(indices), std::cend(indices),
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[&name](const auto & index)
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{
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return index->name == name;
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});
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}
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String IndicesDescription::toString() const
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{
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if (indices.empty())
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return {};
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ASTExpressionList list;
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for (const auto & index : indices)
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list.children.push_back(index);
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return serializeAST(list, true);
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}
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IndicesDescription IndicesDescription::parse(const String & str)
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{
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if (str.empty())
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return {};
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IndicesDescription res;
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ParserIndexDeclarationList parser;
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ASTPtr list = parseQuery(parser, str, 0);
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for (const auto & index : list->children)
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res.indices.push_back(std::dynamic_pointer_cast<ASTIndexDeclaration>(index));
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return res;
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}
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}
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