usql update

usql is still very primitive..it just barely works
This commit is contained in:
2021-07-23 00:00:39 +02:00
parent 4f113ab2c5
commit 5005644d98
26 changed files with 877 additions and 472 deletions

View File

@@ -10,67 +10,54 @@ namespace usql {
struct ColValue {
virtual bool isNull() { return false; };;;;
virtual int integerValue() { throw Exception("Not supported"); };
virtual double floatValue() { throw Exception("Not supported"); };
virtual std::string stringValue() { throw Exception("Not supported"); };
virtual bool isNull() { return false; };
virtual long getIntValue() { throw Exception("Not supported"); };
virtual double getDoubleValue() { throw Exception("Not supported"); };
virtual std::string getStringValue() { throw Exception("Not supported"); };
};
struct ColNullValue : ColValue {
virtual bool isNull() { return true; };
virtual std::string stringValue() { return "null"; };
virtual std::string getStringValue() { return "null"; };
};
struct ColIntegerValue : ColValue {
ColIntegerValue(int value) : m_integer(value) {};
ColIntegerValue(long value) : m_integer(value) {};
ColIntegerValue(const ColIntegerValue &other) : m_integer(other.m_integer) {};
virtual int integerValue() { return m_integer; };
virtual double floatValue() { return (double) m_integer; };
virtual std::string stringValue() { return std::to_string(m_integer); };
virtual long getIntValue() { return m_integer; };
virtual double getDoubleValue() { return (double) m_integer; };
virtual std::string getStringValue() { return std::to_string(m_integer); };
int m_integer;
};
struct ColFloatValue : ColValue {
struct ColDoubleValue : ColValue {
ColFloatValue(double value) : m_float(value) {};
ColDoubleValue(double value) : m_double(value) {};
ColDoubleValue(const ColDoubleValue &other) : m_double(other.m_double) {}
ColFloatValue(const ColFloatValue &other) : m_float(other.m_float) {}
virtual long getIntValue() { return (long) m_double; };
virtual double getDoubleValue() { return m_double; };
virtual std::string getStringValue() { return std::to_string(m_double); };
virtual int integerValue() { return (int) m_float; };
virtual double floatValue() { return m_float; };
virtual std::string stringValue() { return std::to_string(m_float); };
double m_float;
double m_double;
};
struct ColStringValue : ColValue {
ColStringValue(const std::string value) : m_string(value) {};
ColStringValue(const ColStringValue &other) : m_string(other.m_string) {};
virtual int integerValue() { return std::stoi(m_string); };
virtual double floatValue() { return std::stod(m_string); };
virtual std::string stringValue() { return m_string; };
virtual long getIntValue() { return std::stoi(m_string); };
virtual double getDoubleValue() { return std::stod(m_string); };
virtual std::string getStringValue() { return m_string; };
std::string m_string;
};
@@ -80,22 +67,22 @@ namespace usql {
public:
Row(int cols_count);
Row(const Row &other);
Row &operator=(Row other);
void setColumnValue(int col_index, int value);
void setColumnNull(int col_index);
void setColumnValue(int col_index, long value);
void setColumnValue(int col_index, double value);
void setColumnValue(int col_index, const std::string &value);
void setColumnValue(ColDefNode *col_def, ColValue *col_value);
void setColumnValue(ColDefNode *col_def, ValueNode *col_value);
ColValue &operator[](int i) {
return *m_columns[i];
}
ColValue *ithColumn(int i) {
ColValue * ithColumn(int i) const {
return m_columns[i].get();
}
@@ -105,4 +92,4 @@ namespace usql {
std::vector<std::unique_ptr<ColValue>> m_columns;
};
}
} // namespace