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Merge
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parent
0bcf25e518
commit
b82f504c37
@ -443,16 +443,18 @@ public:
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bool next()
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{
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if (!is_initialized)
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{
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Cell::State::read(in);
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DB::readVarUInt(size, in);
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is_initialized = true;
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}
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if (read_count == size)
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{
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is_eof = true;
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return false;
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}
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else if (read_count == 0)
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{
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Cell::State::read(in);
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DB::readVarUInt(size, in);
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}
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cell.read(in);
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++read_count;
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@ -462,18 +464,19 @@ public:
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inline const value_type & get() const
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{
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if ((read_count == 0) || is_eof)
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if (!is_initialized || is_eof)
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throw DB::Exception("No available data", DB::ErrorCodes::NO_AVAILABLE_DATA);
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return cell.getValue();
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}
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private:
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DB::ReadBuffer in;
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DB::ReadBuffer & in;
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Cell cell;
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size_t read_count = 0;
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size_t size;
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bool is_eof = false;
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bool is_initialized = false;
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};
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class iterator
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@ -80,18 +80,21 @@ public:
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bool next()
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{
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if (read_count == size)
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{
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is_eof = true;
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return false;
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}
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else if (read_count == 0)
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if (!is_initialized)
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{
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Cell::State::read(in);
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DB::readVarUInt(size, in);
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if (size > capacity)
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throw DB::Exception("Illegal size");
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is_initialized = true;
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}
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if (read_count == size)
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{
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is_eof = true;
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return false;
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}
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cell.read(in);
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@ -102,18 +105,19 @@ public:
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inline const value_type & get() const
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{
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if ((read_count == 0) || is_eof)
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if (!is_initialized || is_eof)
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throw DB::Exception("No available data", DB::ErrorCodes::NO_AVAILABLE_DATA);
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return cell.getValue();
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}
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private:
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DB::ReadBuffer in;
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DB::ReadBuffer & in;
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Cell cell;
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size_t read_count = 0;
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size_t size;
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bool is_eof = false;
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bool is_initialized = false;
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};
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class iterator
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@ -206,6 +206,7 @@
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31 53574
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35 55022
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36 53961
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1
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1 1
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3 1
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6 1
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@ -414,3 +415,4 @@
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31 54074
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35 54153
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36 53999
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1
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@ -16,6 +16,8 @@ SELECT Y, uniqHLL12(Z) FROM (SELECT number AS X, IPv4NumToString(toUInt32(X)) AS
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SELECT Y, uniqHLL12(Z) FROM (SELECT number AS X, IPv4NumToString(toUInt32(X)) AS Z, (3*X*X - 7*X + 11) % 37 AS Y FROM system.numbers LIMIT 3000) GROUP BY Y;
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SELECT Y, uniqHLL12(Z) FROM (SELECT number AS X, IPv4NumToString(toUInt32(X)) AS Z, (3*X*X - 7*X + 11) % 37 AS Y FROM system.numbers LIMIT 1000000) GROUP BY Y;
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SELECT uniqHLL12(dummy) FROM remote('127.0.0.{1,2}', system.one);
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/* uniqCombined */
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SELECT Y, uniqCombined(X) FROM (SELECT number AS X, (3*X*X - 7*X + 11) % 37 AS Y FROM system.numbers LIMIT 15) GROUP BY Y;
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@ -33,3 +35,5 @@ SELECT Y, uniqCombined(X) FROM (SELECT number AS X, round(toFloat32(1/(1 + (3*X*
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SELECT Y, uniqCombined(Z) FROM (SELECT number AS X, IPv4NumToString(toUInt32(X)) AS Z, (3*X*X - 7*X + 11) % 37 AS Y FROM system.numbers LIMIT 15) GROUP BY Y;
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SELECT Y, uniqCombined(Z) FROM (SELECT number AS X, IPv4NumToString(toUInt32(X)) AS Z, (3*X*X - 7*X + 11) % 37 AS Y FROM system.numbers LIMIT 3000) GROUP BY Y;
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SELECT Y, uniqCombined(Z) FROM (SELECT number AS X, IPv4NumToString(toUInt32(X)) AS Z, (3*X*X - 7*X + 11) % 37 AS Y FROM system.numbers LIMIT 1000000) GROUP BY Y;
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SELECT uniqCombined(dummy) FROM remote('127.0.0.{1,2}', system.one);
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