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[td-13039]add implementation for taos_is_null

This commit is contained in:
Haojun Liao 2022-03-27 23:00:28 +08:00
parent 0daa0de073
commit f036052e74
1 changed files with 12 additions and 2 deletions
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14
source/client/src/clientMain.c
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@ -246,6 +246,7 @@ int* taos_fetch_lengths(TAOS_RES *res) {
return ((SRequestObj*) res)->body.resInfo.length; return ((SRequestObj*) res)->body.resInfo.length;
} }
// todo intergrate with tDataTypes
const char *taos_data_type(int type) { const char *taos_data_type(int type) {
switch (type) { switch (type) {
case TSDB_DATA_TYPE_NULL: return "TSDB_DATA_TYPE_NULL"; case TSDB_DATA_TYPE_NULL: return "TSDB_DATA_TYPE_NULL";
@ -256,9 +257,11 @@ const char *taos_data_type(int type) {
case TSDB_DATA_TYPE_BIGINT: return "TSDB_DATA_TYPE_BIGINT"; case TSDB_DATA_TYPE_BIGINT: return "TSDB_DATA_TYPE_BIGINT";
case TSDB_DATA_TYPE_FLOAT: return "TSDB_DATA_TYPE_FLOAT"; case TSDB_DATA_TYPE_FLOAT: return "TSDB_DATA_TYPE_FLOAT";
case TSDB_DATA_TYPE_DOUBLE: return "TSDB_DATA_TYPE_DOUBLE"; case TSDB_DATA_TYPE_DOUBLE: return "TSDB_DATA_TYPE_DOUBLE";
case TSDB_DATA_TYPE_BINARY: return "TSDB_DATA_TYPE_BINARY"; case TSDB_DATA_TYPE_VARCHAR: return "TSDB_DATA_TYPE_VARCHAR";
// case TSDB_DATA_TYPE_BINARY: return "TSDB_DATA_TYPE_VARCHAR";
case TSDB_DATA_TYPE_TIMESTAMP: return "TSDB_DATA_TYPE_TIMESTAMP"; case TSDB_DATA_TYPE_TIMESTAMP: return "TSDB_DATA_TYPE_TIMESTAMP";
case TSDB_DATA_TYPE_NCHAR: return "TSDB_DATA_TYPE_NCHAR"; case TSDB_DATA_TYPE_NCHAR: return "TSDB_DATA_TYPE_NCHAR";
case TSDB_DATA_TYPE_JSON: return "TSDB_DATA_TYPE_JSON";
default: return "UNKNOWN"; default: return "UNKNOWN";
} }
} }
@ -316,7 +319,14 @@ void taos_stop_query(TAOS_RES *res) {
} }
bool taos_is_null(TAOS_RES *res, int32_t row, int32_t col) { bool taos_is_null(TAOS_RES *res, int32_t row, int32_t col) {
return false; SRequestObj* pRequestObj = res;
SReqResultInfo* pResultInfo = &pRequestObj->body.resInfo;
if (col >= pResultInfo->numOfCols || col < 0 || row >= pResultInfo->numOfRows || row < 0) {
return true;
}
SResultColumn* pCol = &pRequestObj->body.resInfo.pCol[col];
return colDataIsNull_f(pCol->nullbitmap, row);
} }
int taos_fetch_block(TAOS_RES *res, TAOS_ROW *rows) { int taos_fetch_block(TAOS_RES *res, TAOS_ROW *rows) {