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Leonid Fedorov
@ -16,9 +16,9 @@
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MA 02110-1301, USA. */
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/*******************************************************************************
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* $Id: we_convertor.h 4726 2013-08-07 03:38:36Z bwilkinson $
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*
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*******************************************************************************/
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* $Id: we_convertor.h 4726 2013-08-07 03:38:36Z bwilkinson $
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*
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*******************************************************************************/
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/** @file */
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#pragma once
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@ -44,108 +44,103 @@
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/** Namespace WriteEngine */
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namespace WriteEngine
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{
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/** Class Convertor */
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class Convertor
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{
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public:
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/**
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* @brief Default Constructor
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*/
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Convertor() {}
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public:
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/**
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* @brief Default Constructor
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*/
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Convertor()
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{
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}
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/**
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* @brief Destructor
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*/
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~Convertor() {}
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/**
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* @brief Destructor
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*/
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~Convertor()
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{
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}
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/**
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* @brief Get date/time string based on current date and time
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*/
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EXPORT static const std::string getTimeStr();
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/**
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* @brief Get date/time string based on current date and time
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*/
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EXPORT static const std::string getTimeStr();
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/**
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* @brief Convert specified integer value to a string
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*
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* @param val Integer value to be converted to a string
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*/
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EXPORT static const std::string int2Str(int val);
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/**
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* @brief Convert specified integer value to a string
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*
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* @param val Integer value to be converted to a string
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*/
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EXPORT static const std::string int2Str(int val);
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/**
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* @brief Convert an oid to a full file name (with partition and segment
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* being included in the filename). This is used for all column and
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* dictionary store db files. If dealing with a version buffer file,
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* a partition and segment number of 0 should be used.
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*/
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EXPORT static int oid2FileName(FID fid, char* fullFileName,
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char dbDirName[][MAX_DB_DIR_NAME_SIZE],
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uint32_t partition, uint16_t segment);
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/**
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* @brief Convert an oid to a full file name (with partition and segment
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* being included in the filename). This is used for all column and
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* dictionary store db files. If dealing with a version buffer file,
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* a partition and segment number of 0 should be used.
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*/
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EXPORT static int oid2FileName(FID fid, char* fullFileName, char dbDirName[][MAX_DB_DIR_NAME_SIZE],
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uint32_t partition, uint16_t segment);
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EXPORT static int fileName2Oid(const std::string &fullFileName,
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uint32_t &oid, uint32_t &partition,
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uint32_t &segment);
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/**
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* @brief Convert specified errno to associated error msg string
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*
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* @param errNum System errno to be converted.
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* @param errString Error msg string associated with the specified errno.
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*/
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EXPORT static void mapErrnoToString(int errNum, std::string& errString);
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EXPORT static int fileName2Oid(const std::string& fullFileName, uint32_t& oid, uint32_t& partition,
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uint32_t& segment);
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/**
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* @brief Convert specified errno to associated error msg string
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*
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* @param errNum System errno to be converted.
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* @param errString Error msg string associated with the specified errno.
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*/
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EXPORT static void mapErrnoToString(int errNum, std::string& errString);
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/**
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* @brief Convert specified ColDataType to internal storage type (ColType)
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*
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* @param dataType Interface data-type
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* @param internalType Internal data-type used for storing
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*/
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//BUG931
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EXPORT static void convertColType(execplan::CalpontSystemCatalog::ColDataType dataType,
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int colWidth, ColType& internalType,
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bool isToken = false);
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/**
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* @brief Convert specified internal storage type (ColType) to
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* ColDataType
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*
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* @param internalType Internal data-type used for storing
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* @param dataType Interface data-type
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*/
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EXPORT static void convertWEColType(ColType internalType,
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execplan::CalpontSystemCatalog::ColDataType& dataType);
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/**
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* @brief Convert specified ColDataType to internal storage type (ColType)
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*
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* @param dataType Interface data-type
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* @param internalType Internal data-type used for storing
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*/
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// BUG931
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EXPORT static void convertColType(execplan::CalpontSystemCatalog::ColDataType dataType, int colWidth,
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ColType& internalType, bool isToken = false);
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/**
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* @brief Convert specified internal storage type (ColType) to
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* ColDataType
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*
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* @param internalType Internal data-type used for storing
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* @param dataType Interface data-type
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*/
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EXPORT static void convertWEColType(ColType internalType,
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execplan::CalpontSystemCatalog::ColDataType& dataType);
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/**
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* @brief Convert interface column type to a internal column type.
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* curStruct is interpreted as a ColStruct.
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*/
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EXPORT static void convertColType(ColStruct* curStruct);
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/**
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* @brief Convert interface column type to a internal column type.
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* curStruct is interpreted as a ColStruct.
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*/
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EXPORT static void convertColType(ColStruct* curStruct);
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/*
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* @brief Get the correct width for a row
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*/
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EXPORT static int getCorrectRowWidth( execplan::CalpontSystemCatalog::ColDataType dataType, int width );
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/*
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* @brief Get the correct width for a row
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*/
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EXPORT static int getCorrectRowWidth(execplan::CalpontSystemCatalog::ColDataType dataType, int width);
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/*
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* @brief Convert a Decimal string to it's equivalent integer value.
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* errno can be checked upon return to see if input value was
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* out of range (ERANGE).
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*
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* field decimal string to be converted
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* fieldLengh length of "field" in bytes
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* scale decimal scale to be applied to value
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*/
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EXPORT static long long convertDecimalString ( const char* field,
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int fieldLength,
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int scale );
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/*
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* @brief Convert a Decimal string to it's equivalent integer value.
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* errno can be checked upon return to see if input value was
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* out of range (ERANGE).
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*
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* field decimal string to be converted
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* fieldLengh length of "field" in bytes
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* scale decimal scale to be applied to value
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*/
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EXPORT static long long convertDecimalString(const char* field, int fieldLength, int scale);
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private:
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struct dmFilePathArgs_t;
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static int dmOid2FPath(uint32_t oid, uint32_t partition, uint32_t segment,
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dmFilePathArgs_t* pArgs);
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static int32_t dmFPath2Oid(const dmFilePathArgs_t& pArgs, uint32_t& oid,
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uint32_t& partition, uint32_t& segment);
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private:
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struct dmFilePathArgs_t;
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static int dmOid2FPath(uint32_t oid, uint32_t partition, uint32_t segment, dmFilePathArgs_t* pArgs);
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static int32_t dmFPath2Oid(const dmFilePathArgs_t& pArgs, uint32_t& oid, uint32_t& partition,
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uint32_t& segment);
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};
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} //end of namespace
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} // namespace WriteEngine
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#undef EXPORT
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