postgres_util.h File Reference

Go to the source code of this file.

Classes

class  Hazy_Database
 This class provides database connection, executes update and select queries. More...

Functions

void svector_to_dbstring (const SVector &s, std::string &feature_vector_str)
 Converts given SVector to database string.
void fvector_to_dbstring (const FVector &v, std::string &feature_values)
 Converts given FVector to database string.
void model_to_dbstring (const struct model &m, std::string &model_string, std::string &bias_string)
 Converts given model vector and bias to database strings after scaling the model vector.
void checkQueryReturnValue (int retVal, std::string query)
 Checks that query is executed successfully.


Detailed Description


Function Documentation

void checkQueryReturnValue ( int  retVal,
std::string  query 
)

Checks that query is executed successfully.

Parameters:
[in] retVal success that returned from execution of the query
[in] query the query which is executed

void fvector_to_dbstring ( const FVector v,
std::string &  feature_values 
)

Converts given FVector to database string.

Parameters:
[in] v given fvector
[out] feature_values database string

void model_to_dbstring ( const struct model m,
std::string &  model_string,
std::string &  bias_string 
)

Converts given model vector and bias to database strings after scaling the model vector.

Parameters:
[in] m model that database strings will be constructed
[out] model_string string that is constructed from model vector after scaling
[out] bias_string string that is constructed from bias

void svector_to_dbstring ( const SVector s,
std::string &  feature_vector_str 
)

Converts given SVector to database string.

Parameters:
[in] s given svector
[out] feature_vector_str database string


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