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[TD-90]Tag Schema

This commit is contained in:
Tao Liu 2020-05-23 03:37:07 +00:00
parent f15668cb7d
commit 0f43e08f59
1 changed files with 10 additions and 10 deletions
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20
src/common/inc/tdataformat.h
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@ -208,7 +208,7 @@ void tdMergeTwoDataCols(SDataCols *target, SDataCols *src1, int *iter1, SD
| ncols | colId1 | offset1 | colId2 | offset2 | ...| colIdN | offsetN | values | | ncols | colId1 | offset1 | colId2 | offset2 | ...| colIdN | offsetN | values |
+----------+-------------------------------------------------------------+---------------------------------+ +----------+-------------------------------------------------------------+---------------------------------+
*/ */
typedef void *STagRowRaw;
#define TD_TAG_ROW_HEAD_SIZE sizeof(int16_t) #define TD_TAG_ROW_HEAD_SIZE sizeof(int16_t)
@ -221,20 +221,20 @@ typedef void *STagRowRaw;
typedef struct { typedef struct {
int16_t colId; // column ID int16_t colId; // column ID
union{ int16_t colLen; // if col type is binary/Nchar, this is the length of binary/Nchar
int64_t tagOffset; int64_t valueOrOffset; //to store value for numeric col or offset for binary/Nchar
int64_t tagValue;
};
} STagCol; } STagCol;
typedef struct { typedef struct {
int16_t nCols; // Total columns allocated int32_t len;
STagCol tagCols[]; void * pBinaryData; // Space to store the binary and Nchar value
int16_t ncols; // Total columns allocated
STagCol tagCols[];
} STagRow; } STagRow;
int tdInsertTagCol(SDataRow *row, void *value, int32_t bytes, int16_t colId);
int tdQuerTagByID(SDataRow row, void *value, int16_t colId);
SDataRow tdNewTagRowFromSchema(STSchema *pSchema);
#ifdef __cplusplus #ifdef __cplusplus
} }