homework-jianmu/src/common/inc/tname.h

59 lines
1.3 KiB
C

#ifndef TDENGINE_NAME_H
#define TDENGINE_NAME_H
#include "os.h"
#include "taosmsg.h"
#include "tstoken.h"
#include "tvariant.h"
typedef struct SDataStatis {
int16_t colId;
int64_t sum;
int64_t max;
int64_t min;
int16_t maxIndex;
int16_t minIndex;
int16_t numOfNull;
} SDataStatis;
typedef struct SColumnInfoData {
SColumnInfo info;
void* pData; // the corresponding block data in memory
} SColumnInfoData;
void extractTableName(const char *tableId, char *name);
char* extractDBName(const char *tableId, char *name);
size_t tableIdPrefix(const char* name, char* prefix, int32_t len);
void extractTableNameFromToken(SStrToken *pToken, SStrToken* pTable);
SSchema tGetTableNameColumnSchema();
SSchema tGetBlockDistColumnSchema();
SSchema tGetUserSpecifiedColumnSchema(tVariant* pVal, SStrToken* exprStr, const char* name);
bool tscValidateTableNameLength(size_t len);
SColumnFilterInfo* tscFilterInfoClone(const SColumnFilterInfo* src, int32_t numOfFilters);
SSchema tscGetTbnameColumnSchema();
/**
* check if the schema is valid or not, including following aspects:
* 1. number of columns
* 2. column types
* 3. column length
* 4. column names
* 5. total length
*
* @param pSchema
* @param numOfCols
* @return
*/
bool isValidSchema(struct SSchema* pSchema, int32_t numOfCols, int32_t numOfTags);
#endif // TDENGINE_NAME_H