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70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
#include <Common/quoteString.h>
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#include <IO/Operators.h>
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#include <Parsers/ASTDropIndexQuery.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 ASTDropIndexQuery::getID(char delim) const
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{
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return "DropIndexQuery" + (delim + getDatabase()) + delim + getTable();
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}
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ASTPtr ASTDropIndexQuery::clone() const
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{
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auto res = std::make_shared<ASTDropIndexQuery>(*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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cloneTableOptions(*res);
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return res;
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}
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void ASTDropIndexQuery::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 << "DROP INDEX " << (if_exists ? "IF 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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database->formatImpl(settings, state, frame);
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settings.ostr << '.';
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}
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chassert(table);
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table->formatImpl(settings, state, frame);
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}
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formatOnCluster(settings);
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}
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ASTPtr ASTDropIndexQuery::convertToASTAlterCommand() const
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{
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auto command = std::make_shared<ASTAlterCommand>();
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command->type = ASTAlterCommand::DROP_INDEX;
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command->if_exists = if_exists;
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command->index = command->children.emplace_back(index_name).get();
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return command;
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}
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}
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