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https://github.com/ClickHouse/ClickHouse.git
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92 lines
3.0 KiB
C++
92 lines
3.0 KiB
C++
#include <iomanip>
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#include <Parsers/ASTShowTablesQuery.h>
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#include <Common/quoteString.h>
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#include <IO/Operators.h>
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namespace DB
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{
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ASTPtr ASTShowTablesQuery::clone() const
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{
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auto res = std::make_shared<ASTShowTablesQuery>(*this);
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res->children.clear();
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cloneOutputOptions(*res);
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return res;
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}
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void ASTShowTablesQuery::formatLike(const FormatSettings & settings) const
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{
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if (!like.empty())
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settings.ostr
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<< (settings.hilite ? hilite_keyword : "")
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<< (not_like ? " NOT" : "")
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<< (case_insensitive_like ? " ILIKE " : " LIKE ")
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<< (settings.hilite ? hilite_none : "")
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<< DB::quote << like;
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}
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void ASTShowTablesQuery::formatLimit(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const
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{
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if (limit_length)
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{
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settings.ostr << (settings.hilite ? hilite_keyword : "") << " LIMIT " << (settings.hilite ? hilite_none : "");
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limit_length->formatImpl(settings, state, frame);
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}
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}
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void ASTShowTablesQuery::formatQueryImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const
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{
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if (databases)
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{
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settings.ostr << (settings.hilite ? hilite_keyword : "") << "SHOW DATABASES" << (settings.hilite ? hilite_none : "");
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formatLike(settings);
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formatLimit(settings, state, frame);
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}
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else if (clusters)
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{
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settings.ostr << (settings.hilite ? hilite_keyword : "") << "SHOW CLUSTERS" << (settings.hilite ? hilite_none : "");
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formatLike(settings);
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formatLimit(settings, state, frame);
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}
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else if (cluster)
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{
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settings.ostr << (settings.hilite ? hilite_keyword : "") << "SHOW CLUSTER" << (settings.hilite ? hilite_none : "");
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settings.ostr << " " << backQuoteIfNeed(cluster_str);
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}
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else if (caches)
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{
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settings.ostr << (settings.hilite ? hilite_keyword : "") << "SHOW FILESYSTEM CACHES" << (settings.hilite ? hilite_none : "");
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formatLike(settings);
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formatLimit(settings, state, frame);
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}
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else if (m_settings)
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{
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settings.ostr << (settings.hilite ? hilite_keyword : "") << "SHOW " << (changed ? "CHANGED " : "") << "SETTINGS" <<
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(settings.hilite ? hilite_none : "");
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formatLike(settings);
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}
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else
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{
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settings.ostr << (settings.hilite ? hilite_keyword : "") << "SHOW " << (temporary ? "TEMPORARY " : "") <<
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(dictionaries ? "DICTIONARIES" : "TABLES") << (settings.hilite ? hilite_none : "");
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if (!from.empty())
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settings.ostr << (settings.hilite ? hilite_keyword : "") << " FROM " << (settings.hilite ? hilite_none : "")
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<< backQuoteIfNeed(from);
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formatLike(settings);
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if (where_expression)
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{
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settings.ostr << (settings.hilite ? hilite_keyword : "") << " WHERE " << (settings.hilite ? hilite_none : "");
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where_expression->formatImpl(settings, state, frame);
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}
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formatLimit(settings, state, frame);
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}
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}
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}
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