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[TD-90] developing

This commit is contained in:
Tao Liu 2020-05-23 09:40:46 +00:00
parent 0f43e08f59
commit df01a390d4
1 changed files with 13 additions and 5 deletions
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18
src/common/inc/tdataformat.h
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@ -221,20 +221,28 @@ void tdMergeTwoDataCols(SDataCols *target, SDataCols *src1, int *iter1, SD
typedef struct {
int16_t colId; // column ID
int16_t colLen; // if col type is binary/Nchar, this is the length of binary/Nchar
int64_t valueOrOffset; //to store value for numeric col or offset for binary/Nchar
int8_t colType;
int8_t colLen; // if col type is binary/Nchar, this is the length of binary/Nchar
int16_t offset; //to store value for numeric col or offset for binary/Nchar
} STagCol;
typedef struct {
int32_t len;
void * pBinaryData; // Space to store the binary and Nchar value
void * pData; // Space to store the tag value
int16_t ncols; // Total columns allocated
STagCol tagCols[];
} STagRow;
int tdInsertTagCol(SDataRow *row, void *value, int32_t bytes, int16_t colId);
int tdQuerTagByID(SDataRow row, void *value, int16_t colId);
#define tagColSize(r) (sizeof(STagCol) + r.colLen)
int tdInsertTagCol(SDataRow row, void *value, int16_t len, int8_t type, int16_t colId); //insert tag value and update all the information
int tdDeleteTagCol(SDataRow row, int16_t colId); // delete tag value and update all the information
int tdQuerTagByID(SDataRow row, int16_t colId, void *value); //if find tag, return value length, else return -1;
int tdAppendTagColVal(SDataRow row, void *value, int8_t type, int32_t bytes);
SDataRow tdNewTagRowFromSchema(STSchema *pSchema);
STSchema *tdGetSchemaFromData(SDataRow *row);
#ifdef __cplusplus
}