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38 lines
888 B
C++
38 lines
888 B
C++
#pragma once
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#include <Interpreters/InDepthNodeVisitor.h>
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#include <Parsers/IAST_fwd.h>
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namespace DB
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{
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class ASTFunction;
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/// Gather all the `quantile*` functions
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class GatherFunctionQuantileData
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{
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public:
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struct FuseQuantileAggregatesData
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{
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std::unordered_map<String, std::vector<ASTPtr *>> arg_map_function;
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void addFuncNode(ASTPtr & ast);
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};
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using TypeToVisit = ASTFunction;
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std::unordered_map<String, FuseQuantileAggregatesData> fuse_quantile;
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void visit(ASTFunction & function, ASTPtr & ast);
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static String toFusedNameOrSelf(const String & func_name);
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static String getFusedName(const String & func_name);
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static bool needChild(const ASTPtr & node, const ASTPtr &);
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};
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using GatherFunctionQuantileVisitor = InDepthNodeVisitor<OneTypeMatcher<GatherFunctionQuantileData, GatherFunctionQuantileData::needChild>, true>;
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}
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