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new API taos_stmt_reclaim_fields to reclaim TAOS_FIELD_E in a uniform way

This commit is contained in:
freemine 2022-12-29 10:36:34 +08:00
parent 0455f060e4
commit b537bf318b
2 changed files with 10 additions and 0 deletions
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2
include/client/taos.h
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@ -161,6 +161,8 @@ DLL_EXPORT int taos_stmt_set_tags(TAOS_STMT *stmt, TAOS_MULTI_BIND *tags)
DLL_EXPORT int taos_stmt_set_sub_tbname(TAOS_STMT *stmt, const char *name);
DLL_EXPORT int taos_stmt_get_tag_fields(TAOS_STMT *stmt, int *fieldNum, TAOS_FIELD_E **fields);
DLL_EXPORT int taos_stmt_get_col_fields(TAOS_STMT *stmt, int *fieldNum, TAOS_FIELD_E **fields);
// let stmt to reclaim TAOS_FIELD_E that was allocated by `taos_stmt_get_tag_fields`/`taos_stmt_get_col_fields`
DLL_EXPORT void taos_stmt_reclaim_fields(TAOS_STMT *stmt, TAOS_FIELD_E *fields);
DLL_EXPORT int taos_stmt_is_insert(TAOS_STMT *stmt, int *insert);
DLL_EXPORT int taos_stmt_num_params(TAOS_STMT *stmt, int *nums);

8
source/client/src/clientMain.c
View File

@ -1331,6 +1331,14 @@ int taos_stmt_get_col_fields(TAOS_STMT *stmt, int *fieldNum, TAOS_FIELD_E **fiel
return stmtGetColFields(stmt, fieldNum, fields);
}
// let stmt to reclaim TAOS_FIELD_E that was allocated by `taos_stmt_get_tag_fields`/`taos_stmt_get_col_fields`
void taos_stmt_reclaim_fields(TAOS_STMT *stmt, TAOS_FIELD_E *fields)
{
(void)stmt;
if (!fields) return;
taosMemoryFree(fields);
}
int taos_stmt_bind_param(TAOS_STMT *stmt, TAOS_MULTI_BIND *bind) {
if (stmt == NULL || bind == NULL) {
tscError("NULL parameter for %s", __FUNCTION__);