提交 0f43e08f 编写于 作者: T Tao Liu

[TD-90]Tag Schema

上级 f15668cb
......@@ -208,7 +208,7 @@ void tdMergeTwoDataCols(SDataCols *target, SDataCols *src1, int *iter1, SD
| ncols | colId1 | offset1 | colId2 | offset2 | ...| colIdN | offsetN | values |
+----------+-------------------------------------------------------------+---------------------------------+
*/
typedef void *STagRowRaw;
#define TD_TAG_ROW_HEAD_SIZE sizeof(int16_t)
......@@ -221,20 +221,20 @@ typedef void *STagRowRaw;
typedef struct {
int16_t colId; // column ID
union{
int64_t tagOffset;
int64_t tagValue;
};
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
} STagCol;
typedef struct {
int16_t nCols; // Total columns allocated
int32_t len;
void * pBinaryData; // Space to store the binary and Nchar 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);
SDataRow tdNewTagRowFromSchema(STSchema *pSchema);
#ifdef __cplusplus
}
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册