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77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
#include <Common/quoteString.h>
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#include <IO/Operators.h>
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#include <Parsers/ASTCreateIndexQuery.h>
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#include <Parsers/ASTIndexDeclaration.h>
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#include <Parsers/ASTAlterQuery.h>
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namespace DB
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{
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/** Get the text that identifies this element. */
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String ASTCreateIndexQuery::getID(char delim) const
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{
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return "CreateIndexQuery" + (delim + getDatabase()) + delim + getTable();
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}
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ASTPtr ASTCreateIndexQuery::clone() const
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{
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auto res = std::make_shared<ASTCreateIndexQuery>(*this);
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res->children.clear();
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res->index_name = index_name->clone();
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res->children.push_back(res->index_name);
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res->index_decl = index_decl->clone();
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res->children.push_back(res->index_decl);
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cloneTableOptions(*res);
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return res;
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}
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void ASTCreateIndexQuery::formatQueryImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const
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{
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frame.need_parens = false;
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std::string indent_str = settings.one_line ? "" : std::string(4u * frame.indent, ' ');
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settings.ostr << (settings.hilite ? hilite_keyword : "") << indent_str;
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settings.ostr << "CREATE INDEX " << (if_not_exists ? "IF NOT EXISTS " : "");
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index_name->formatImpl(settings, state, frame);
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settings.ostr << " ON ";
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settings.ostr << (settings.hilite ? hilite_none : "");
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if (table)
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{
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if (database)
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{
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settings.ostr << indent_str << backQuoteIfNeed(getDatabase());
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settings.ostr << ".";
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}
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settings.ostr << indent_str << backQuoteIfNeed(getTable());
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}
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formatOnCluster(settings);
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if (!cluster.empty())
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settings.ostr << " ";
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index_decl->formatImpl(settings, state, frame);
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}
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ASTPtr ASTCreateIndexQuery::convertToASTAlterCommand() const
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{
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auto command = std::make_shared<ASTAlterCommand>();
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command->type = ASTAlterCommand::ADD_INDEX;
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command->index = index_name->clone();
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command->index_decl = index_decl->clone();
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command->if_not_exists = if_not_exists;
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return command;
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}
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}
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