homework-jianmu/src/vnode/common/src/dataformat.c

34 lines
754 B
C

#include <stdlib.h>
#include "dataformat.h"
int32_t tdGetMaxDataRowSize(SSchema *pSchema) {
int32_t nbytes = 0;
for (int32_t i = 0; i < TD_SCHEMA_NCOLS(pSchema); i++) {
SColumn * pCol = TD_SCHEMA_COLUMN_AT(pSchema, i);
td_datatype_t type = TD_COLUMN_TYPE(pCol);
nbytes += rowDataLen[type];
switch (type) {
case TD_DATATYPE_VARCHAR:
nbytes += TD_COLUMN_BYTES(pCol);
break;
case TD_DATATYPE_NCHAR:
nbytes += 4 * TD_COLUMN_BYTES(pCol);
break;
case TD_DATATYPE_BINARY:
nbytes += TD_COLUMN_BYTES(pCol);
break;
default:
break;
}
}
nbytes += TD_DATA_ROW_HEADER_SIZE;
return nbytes;
}
SDataRow tdSDataRowDup(SDataRow rdata) { return NULL; }