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1. bugFix: nchar/binary field bytes 

2. report error for parameterised-select
This commit is contained in:
freemine 2020-10-13 22:31:59 +08:00
parent 941c80f34f
commit 7c04c9b380
6 changed files with 203 additions and 122 deletions
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49
src/client/src/tscPrepare.c
View File

@ -638,6 +638,19 @@ TAOS_RES *taos_stmt_use_result(TAOS_STMT* stmt) {
return result; return result;
} }
int taos_stmt_is_insert(TAOS_STMT *stmt, int *insert) {
STscStmt* pStmt = (STscStmt*)stmt;
if (stmt == NULL || pStmt->taos == NULL || pStmt->pSql == NULL) {
terrno = TSDB_CODE_TSC_DISCONNECTED;
return TSDB_CODE_TSC_DISCONNECTED;
}
if (insert) *insert = pStmt->isInsert;
return TSDB_CODE_SUCCESS;
}
int taos_stmt_num_params(TAOS_STMT *stmt, int *nums) { int taos_stmt_num_params(TAOS_STMT *stmt, int *nums) {
STscStmt* pStmt = (STscStmt*)stmt; STscStmt* pStmt = (STscStmt*)stmt;
@ -646,12 +659,14 @@ int taos_stmt_num_params(TAOS_STMT *stmt, int *nums) {
return TSDB_CODE_TSC_DISCONNECTED; return TSDB_CODE_TSC_DISCONNECTED;
} }
SSqlObj* pSql = pStmt->pSql; if (pStmt->isInsert) {
SSqlCmd *pCmd = &pSql->cmd; SSqlObj* pSql = pStmt->pSql;
SSqlCmd *pCmd = &pSql->cmd;
*nums = pCmd->numOfParams; *nums = pCmd->numOfParams;
return TSDB_CODE_SUCCESS;
return TSDB_CODE_SUCCESS; } else {
return TSDB_CODE_TSC_APP_ERROR;
}
} }
int taos_stmt_get_param(TAOS_STMT *stmt, int idx, int *type, int *bytes) { int taos_stmt_get_param(TAOS_STMT *stmt, int idx, int *type, int *bytes) {
@ -662,18 +677,22 @@ int taos_stmt_get_param(TAOS_STMT *stmt, int idx, int *type, int *bytes) {
return TSDB_CODE_TSC_DISCONNECTED; return TSDB_CODE_TSC_DISCONNECTED;
} }
SSqlObj* pSql = pStmt->pSql; if (pStmt->isInsert) {
SSqlCmd *pCmd = &pSql->cmd; SSqlObj* pSql = pStmt->pSql;
STableDataBlocks* pBlock = taosArrayGetP(pCmd->pDataBlocks, 0); SSqlCmd *pCmd = &pSql->cmd;
STableDataBlocks* pBlock = taosArrayGetP(pCmd->pDataBlocks, 0);
assert(pCmd->numOfParams == pBlock->numOfParams); assert(pCmd->numOfParams == pBlock->numOfParams);
if (idx < 0 || idx >= pBlock->numOfParams) return -1; if (idx < 0 || idx >= pBlock->numOfParams) return -1;
SParamInfo* param = pBlock->params + idx; SParamInfo* param = pBlock->params + idx;
if (type) *type = param->type; if (type) *type = param->type;
if (bytes) *bytes = param->bytes; if (bytes) *bytes = param->bytes;
return TSDB_CODE_SUCCESS; return TSDB_CODE_SUCCESS;
} else {
return TSDB_CODE_TSC_APP_ERROR;
}
} }
const char *taos_data_type(int type) { const char *taos_data_type(int type) {

232
src/connector/odbc/src/todbc.c
View File

@ -759,6 +759,11 @@ static SQLRETURN doSQLGetData(SQLHSTMT StatementHandle,
return SQL_ERROR; return SQL_ERROR;
} }
if (TargetValue == NULL) {
SET_ERROR(sql, "HY009", TSDB_CODE_ODBC_BAD_ARG, "NULL TargetValue not allowed for col [%d]", ColumnNumber);
return SQL_ERROR;
}
TAOS_FIELD *field = fields + ColumnNumber-1; TAOS_FIELD *field = fields + ColumnNumber-1;
void *row = sql->row[ColumnNumber-1]; void *row = sql->row[ColumnNumber-1];
@ -1563,33 +1568,34 @@ static SQLRETURN do_bind_param_value(sql_t *sql, int idx, param_bind_t *param, T
static SQLRETURN do_execute(sql_t *sql, TAOS_BIND *binds) static SQLRETURN do_execute(sql_t *sql, TAOS_BIND *binds)
{ {
SQLRETURN r = SQL_SUCCESS; int tr = TSDB_CODE_SUCCESS;
for (int i=0; i<sql->n_params; ++i) { for (int i=0; i<sql->n_params; ++i) {
r = do_bind_param_value(sql, i, sql->params+i, binds+i); SQLRETURN r = do_bind_param_value(sql, i, sql->params+i, binds+i);
if (r==SQL_SUCCESS) continue; if (r==SQL_SUCCESS) continue;
return r; return r;
} }
if (sql->n_params > 0) { if (sql->n_params > 0) {
PROFILE(r = taos_stmt_bind_param(sql->stmt, binds)); PROFILE(tr = taos_stmt_bind_param(sql->stmt, binds));
if (r) { if (tr) {
SET_ERROR(sql, "HY000", r, "failed to bind parameters[%d in total]", sql->n_params); SET_ERROR(sql, "HY000", tr, "failed to bind parameters[%d in total]", sql->n_params);
return SQL_ERROR; return SQL_ERROR;
} }
PROFILE(r = taos_stmt_add_batch(sql->stmt)); // PROFILE(r = taos_stmt_add_batch(sql->stmt));
if (r) { // if (r) {
SET_ERROR(sql, "HY000", r, "failed to add batch"); // SET_ERROR(sql, "HY000", r, "failed to add batch");
return SQL_ERROR; // return SQL_ERROR;
} // }
} }
PROFILE(r = taos_stmt_execute(sql->stmt)); PROFILE(tr = taos_stmt_execute(sql->stmt));
if (r) { if (tr) {
SET_ERROR(sql, "HY000", r, "failed to execute statement"); SET_ERROR(sql, "HY000", tr, "failed to execute statement");
return SQL_ERROR; return SQL_ERROR;
} }
SQLRETURN r = SQL_SUCCESS;
PROFILE(sql->rs = taos_stmt_use_result(sql->stmt)); PROFILE(sql->rs = taos_stmt_use_result(sql->stmt));
CHK_RS(r, sql, "failed to use result"); CHK_RS(r, sql, "failed to use result");
@ -1933,6 +1939,10 @@ static SQLRETURN doSQLDescribeCol(SQLHSTMT StatementHandle,
if (NameLength) { if (NameLength) {
*NameLength = strnlen(field->name, sizeof(field->name)); *NameLength = strnlen(field->name, sizeof(field->name));
} }
if (ColumnSize) {
*ColumnSize = field->bytes;
}
if (DataType) { if (DataType) {
switch (field->type) { switch (field->type) {
case TSDB_DATA_TYPE_BOOL: { case TSDB_DATA_TYPE_BOOL: {
@ -1969,10 +1979,12 @@ static SQLRETURN doSQLDescribeCol(SQLHSTMT StatementHandle,
case TSDB_DATA_TYPE_NCHAR: { case TSDB_DATA_TYPE_NCHAR: {
*DataType = SQL_C_CHAR; // unicode ? *DataType = SQL_C_CHAR; // unicode ?
if (ColumnSize) *ColumnSize -= VARSTR_HEADER_SIZE;
} break; } break;
case TSDB_DATA_TYPE_BINARY: { case TSDB_DATA_TYPE_BINARY: {
*DataType = SQL_C_BINARY; *DataType = SQL_C_BINARY;
if (ColumnSize) *ColumnSize -= VARSTR_HEADER_SIZE;
} break; } break;
default: default:
@ -1982,9 +1994,6 @@ static SQLRETURN doSQLDescribeCol(SQLHSTMT StatementHandle,
break; break;
} }
} }
if (ColumnSize) {
*ColumnSize = field->bytes;
}
if (DecimalDigits) { if (DecimalDigits) {
if (field->type == TSDB_DATA_TYPE_TIMESTAMP) { if (field->type == TSDB_DATA_TYPE_TIMESTAMP) {
*DecimalDigits = 3; *DecimalDigits = 3;
@ -2026,8 +2035,19 @@ static SQLRETURN doSQLNumParams(SQLHSTMT hstmt, SQLSMALLINT *pcpar)
return SQL_ERROR; return SQL_ERROR;
} }
int insert = 0;
int r = taos_stmt_is_insert(sql->stmt, &insert);
if (r) {
SET_ERROR(sql, "HY000", terrno, "");
return SQL_ERROR;
}
if (!insert) {
SET_ERROR(sql, "HY000", terrno, "taos does not provide count of parameters for statement other than insert");
return SQL_ERROR;
}
int params = 0; int params = 0;
int r = taos_stmt_num_params(sql->stmt, &params); r = taos_stmt_num_params(sql->stmt, &params);
if (r) { if (r) {
SET_ERROR(sql, "HY000", terrno, "fetch num of statement params failed"); SET_ERROR(sql, "HY000", terrno, "fetch num of statement params failed");
return SQL_ERROR; return SQL_ERROR;
@ -2110,49 +2130,49 @@ static int do_field_display_size(TAOS_FIELD *field) {
static SQLRETURN conv_tsdb_bool_to_c_bit(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t b) static SQLRETURN conv_tsdb_bool_to_c_bit(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t b)
{ {
int8_t v = b; int8_t v = b;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_bool_to_c_tinyint(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t b) static SQLRETURN conv_tsdb_bool_to_c_tinyint(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t b)
{ {
int8_t v = b; int8_t v = b;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_bool_to_c_short(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t b) static SQLRETURN conv_tsdb_bool_to_c_short(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t b)
{ {
int16_t v = b; int16_t v = b;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_bool_to_c_long(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t b) static SQLRETURN conv_tsdb_bool_to_c_long(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t b)
{ {
int32_t v = b; int32_t v = b;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_bool_to_c_sbigint(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t b) static SQLRETURN conv_tsdb_bool_to_c_sbigint(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t b)
{ {
int64_t v = b; int64_t v = b;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_bool_to_c_float(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t b) static SQLRETURN conv_tsdb_bool_to_c_float(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t b)
{ {
float v = b; float v = b;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_bool_to_c_double(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t b) static SQLRETURN conv_tsdb_bool_to_c_double(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t b)
{ {
double v = b; double v = b;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
@ -2160,11 +2180,9 @@ static SQLRETURN conv_tsdb_bool_to_c_char(sql_t *sql, c_target_t *target, TAOS_F
{ {
DASSERT(target->len>0); DASSERT(target->len>0);
*target->soi = 1; *target->soi = 1;
if (target->ptr) { target->ptr[0] = '0' + b;
target->ptr[0] = '0' + b; if (target->len>1) {
if (target->len>1) { target->ptr[1] = '\0';
target->ptr[1] = '\0';
}
} }
return SQL_SUCCESS; return SQL_SUCCESS;
@ -2181,42 +2199,42 @@ static SQLRETURN conv_tsdb_bool_to_c_binary(sql_t *sql, c_target_t *target, TAOS
static SQLRETURN conv_tsdb_v1_to_c_tinyint(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t v1) static SQLRETURN conv_tsdb_v1_to_c_tinyint(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t v1)
{ {
int8_t v = v1; int8_t v = v1;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_v1_to_c_short(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t v1) static SQLRETURN conv_tsdb_v1_to_c_short(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t v1)
{ {
int16_t v = v1; int16_t v = v1;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_v1_to_c_long(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t v1) static SQLRETURN conv_tsdb_v1_to_c_long(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t v1)
{ {
int32_t v = v1; int32_t v = v1;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_v1_to_c_sbigint(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t v1) static SQLRETURN conv_tsdb_v1_to_c_sbigint(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t v1)
{ {
int64_t v = v1; int64_t v = v1;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_v1_to_c_float(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t v1) static SQLRETURN conv_tsdb_v1_to_c_float(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t v1)
{ {
float v = v1; float v = v1;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_v1_to_c_double(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t v1) static SQLRETURN conv_tsdb_v1_to_c_double(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int8_t v1)
{ {
double v = v1; double v = v1;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
@ -2226,7 +2244,7 @@ static SQLRETURN conv_tsdb_v1_to_c_char(sql_t *sql, c_target_t *target, TAOS_FIE
int n = snprintf(buf, sizeof(buf), "%d", v1); int n = snprintf(buf, sizeof(buf), "%d", v1);
DASSERT(n<sizeof(buf)); DASSERT(n<sizeof(buf));
*target->soi = n; *target->soi = n;
if (target->ptr) strncpy(target->ptr, buf, (n>=target->len ? target->len : n+1)); strncpy(target->ptr, buf, (n>=target->len ? target->len : n+1));
if (n<=target->len) return SQL_SUCCESS; if (n<=target->len) return SQL_SUCCESS;
SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_TINYINT -> SQL_C_BIT"); SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_TINYINT -> SQL_C_BIT");
return SQL_SUCCESS_WITH_INFO; return SQL_SUCCESS_WITH_INFO;
@ -2238,7 +2256,7 @@ static SQLRETURN conv_tsdb_v1_to_c_binary(sql_t *sql, c_target_t *target, TAOS_F
int n = snprintf(buf, sizeof(buf), "%d", v1); int n = snprintf(buf, sizeof(buf), "%d", v1);
DASSERT(n<sizeof(buf)); DASSERT(n<sizeof(buf));
*target->soi = n; *target->soi = n;
if (target->ptr) strncpy(target->ptr, buf, (n>target->len ? target->len : n)); strncpy(target->ptr, buf, (n>target->len ? target->len : n));
if (n<=target->len) return SQL_SUCCESS; if (n<=target->len) return SQL_SUCCESS;
SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_TINYINT -> SQL_C_BIT"); SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_TINYINT -> SQL_C_BIT");
return SQL_SUCCESS_WITH_INFO; return SQL_SUCCESS_WITH_INFO;
@ -2247,35 +2265,35 @@ static SQLRETURN conv_tsdb_v1_to_c_binary(sql_t *sql, c_target_t *target, TAOS_F
static SQLRETURN conv_tsdb_v2_to_c_short(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int16_t v2) static SQLRETURN conv_tsdb_v2_to_c_short(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int16_t v2)
{ {
int16_t v = v2; int16_t v = v2;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_v2_to_c_long(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int16_t v2) static SQLRETURN conv_tsdb_v2_to_c_long(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int16_t v2)
{ {
int32_t v = v2; int32_t v = v2;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_v2_to_c_sbigint(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int16_t v2) static SQLRETURN conv_tsdb_v2_to_c_sbigint(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int16_t v2)
{ {
int64_t v = v2; int64_t v = v2;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_v2_to_c_float(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int16_t v2) static SQLRETURN conv_tsdb_v2_to_c_float(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int16_t v2)
{ {
float v = v2; float v = v2;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_v2_to_c_double(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int16_t v2) static SQLRETURN conv_tsdb_v2_to_c_double(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int16_t v2)
{ {
double v = v2; double v = v2;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
@ -2285,7 +2303,7 @@ static SQLRETURN conv_tsdb_v2_to_c_char(sql_t *sql, c_target_t *target, TAOS_FIE
int n = snprintf(buf, sizeof(buf), "%d", v2); int n = snprintf(buf, sizeof(buf), "%d", v2);
DASSERT(n<sizeof(buf)); DASSERT(n<sizeof(buf));
*target->soi = n; *target->soi = n;
if (target->ptr) strncpy(target->ptr, buf, (n>=target->len ? target->len : n+1)); strncpy(target->ptr, buf, (n>=target->len ? target->len : n+1));
if (n<=target->len) return SQL_SUCCESS; if (n<=target->len) return SQL_SUCCESS;
SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_SMALLINT -> SQL_C_CHAR"); SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_SMALLINT -> SQL_C_CHAR");
return SQL_SUCCESS_WITH_INFO; return SQL_SUCCESS_WITH_INFO;
@ -2297,7 +2315,7 @@ static SQLRETURN conv_tsdb_v2_to_c_binary(sql_t *sql, c_target_t *target, TAOS_F
int n = snprintf(buf, sizeof(buf), "%d", v2); int n = snprintf(buf, sizeof(buf), "%d", v2);
DASSERT(n<sizeof(buf)); DASSERT(n<sizeof(buf));
*target->soi = n; *target->soi = n;
if (target->ptr) strncpy(target->ptr, buf, (n>target->len ? target->len : n)); strncpy(target->ptr, buf, (n>target->len ? target->len : n));
if (n<=target->len) return SQL_SUCCESS; if (n<=target->len) return SQL_SUCCESS;
SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_SMALLINT -> SQL_C_CHAR"); SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_SMALLINT -> SQL_C_CHAR");
return SQL_SUCCESS_WITH_INFO; return SQL_SUCCESS_WITH_INFO;
@ -2307,28 +2325,28 @@ static SQLRETURN conv_tsdb_v2_to_c_binary(sql_t *sql, c_target_t *target, TAOS_F
static SQLRETURN conv_tsdb_v4_to_c_long(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int32_t v4) static SQLRETURN conv_tsdb_v4_to_c_long(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int32_t v4)
{ {
int32_t v = v4; int32_t v = v4;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_v4_to_c_sbigint(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int32_t v4) static SQLRETURN conv_tsdb_v4_to_c_sbigint(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int32_t v4)
{ {
int64_t v = v4; int64_t v = v4;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_v4_to_c_float(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int32_t v4) static SQLRETURN conv_tsdb_v4_to_c_float(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int32_t v4)
{ {
float v = v4; float v = v4;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_v4_to_c_double(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int32_t v4) static SQLRETURN conv_tsdb_v4_to_c_double(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int32_t v4)
{ {
double v = v4; double v = v4;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
@ -2338,7 +2356,7 @@ static SQLRETURN conv_tsdb_v4_to_c_char(sql_t *sql, c_target_t *target, TAOS_FIE
int n = snprintf(buf, sizeof(buf), "%d", v4); int n = snprintf(buf, sizeof(buf), "%d", v4);
DASSERT(n<sizeof(buf)); DASSERT(n<sizeof(buf));
*target->soi = n; *target->soi = n;
if (target->ptr) strncpy(target->ptr, buf, (n>=target->len ? target->len : n+1)); strncpy(target->ptr, buf, (n>=target->len ? target->len : n+1));
if (n<=target->len) return SQL_SUCCESS; if (n<=target->len) return SQL_SUCCESS;
SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_INTEGER -> SQL_C_CHAR"); SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_INTEGER -> SQL_C_CHAR");
return SQL_SUCCESS_WITH_INFO; return SQL_SUCCESS_WITH_INFO;
@ -2350,7 +2368,7 @@ static SQLRETURN conv_tsdb_v4_to_c_binary(sql_t *sql, c_target_t *target, TAOS_F
int n = snprintf(buf, sizeof(buf), "%d", v4); int n = snprintf(buf, sizeof(buf), "%d", v4);
DASSERT(n<sizeof(buf)); DASSERT(n<sizeof(buf));
*target->soi = n; *target->soi = n;
if (target->ptr) strncpy(target->ptr, buf, (n>target->len ? target->len : n)); strncpy(target->ptr, buf, (n>target->len ? target->len : n));
if (n<=target->len) return SQL_SUCCESS; if (n<=target->len) return SQL_SUCCESS;
SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_INTEGER -> SQL_C_BINARY"); SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_INTEGER -> SQL_C_BINARY");
return SQL_SUCCESS_WITH_INFO; return SQL_SUCCESS_WITH_INFO;
@ -2360,21 +2378,21 @@ static SQLRETURN conv_tsdb_v4_to_c_binary(sql_t *sql, c_target_t *target, TAOS_F
static SQLRETURN conv_tsdb_v8_to_c_sbigint(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int64_t v8) static SQLRETURN conv_tsdb_v8_to_c_sbigint(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int64_t v8)
{ {
int64_t v = v8; int64_t v = v8;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_v8_to_c_float(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int64_t v8) static SQLRETURN conv_tsdb_v8_to_c_float(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int64_t v8)
{ {
float v = v8; float v = v8;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_v8_to_c_double(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int64_t v8) static SQLRETURN conv_tsdb_v8_to_c_double(sql_t *sql, c_target_t *target, TAOS_FIELD *field, int64_t v8)
{ {
double v = v8; double v = v8;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
@ -2384,7 +2402,7 @@ static SQLRETURN conv_tsdb_v8_to_c_char(sql_t *sql, c_target_t *target, TAOS_FIE
int n = snprintf(buf, sizeof(buf), "%ld", v8); int n = snprintf(buf, sizeof(buf), "%ld", v8);
DASSERT(n<sizeof(buf)); DASSERT(n<sizeof(buf));
*target->soi = n; *target->soi = n;
if (target->ptr) strncpy(target->ptr, buf, (n>=target->len ? target->len : n+1)); strncpy(target->ptr, buf, (n>=target->len ? target->len : n+1));
if (n<=target->len) return SQL_SUCCESS; if (n<=target->len) return SQL_SUCCESS;
SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_BIGINT -> SQL_C_CHAR"); SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_BIGINT -> SQL_C_CHAR");
return SQL_SUCCESS_WITH_INFO; return SQL_SUCCESS_WITH_INFO;
@ -2396,7 +2414,7 @@ static SQLRETURN conv_tsdb_v8_to_c_binary(sql_t *sql, c_target_t *target, TAOS_F
int n = snprintf(buf, sizeof(buf), "%ld", v8); int n = snprintf(buf, sizeof(buf), "%ld", v8);
DASSERT(n<sizeof(buf)); DASSERT(n<sizeof(buf));
*target->soi = n; *target->soi = n;
if (target->ptr) strncpy(target->ptr, buf, (n>target->len ? target->len : n)); strncpy(target->ptr, buf, (n>target->len ? target->len : n));
if (n<=target->len) return SQL_SUCCESS; if (n<=target->len) return SQL_SUCCESS;
SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_BIGINT -> SQL_C_BINARY"); SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_BIGINT -> SQL_C_BINARY");
return SQL_SUCCESS_WITH_INFO; return SQL_SUCCESS_WITH_INFO;
@ -2406,14 +2424,14 @@ static SQLRETURN conv_tsdb_v8_to_c_binary(sql_t *sql, c_target_t *target, TAOS_F
static SQLRETURN conv_tsdb_f4_to_c_float(sql_t *sql, c_target_t *target, TAOS_FIELD *field, float f4) static SQLRETURN conv_tsdb_f4_to_c_float(sql_t *sql, c_target_t *target, TAOS_FIELD *field, float f4)
{ {
float v = f4; float v = f4;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_f4_to_c_double(sql_t *sql, c_target_t *target, TAOS_FIELD *field, float f4) static SQLRETURN conv_tsdb_f4_to_c_double(sql_t *sql, c_target_t *target, TAOS_FIELD *field, float f4)
{ {
double v = f4; double v = f4;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
@ -2423,7 +2441,7 @@ static SQLRETURN conv_tsdb_f4_to_c_char(sql_t *sql, c_target_t *target, TAOS_FIE
int n = snprintf(buf, sizeof(buf), "%g", f4); int n = snprintf(buf, sizeof(buf), "%g", f4);
DASSERT(n<sizeof(buf)); DASSERT(n<sizeof(buf));
*target->soi = n; *target->soi = n;
if (target->ptr) strncpy(target->ptr, buf, (n>=target->len ? target->len : n+1)); strncpy(target->ptr, buf, (n>=target->len ? target->len : n+1));
if (n<=target->len) return SQL_SUCCESS; if (n<=target->len) return SQL_SUCCESS;
SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_FLOAT -> SQL_C_CHAR"); SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_FLOAT -> SQL_C_CHAR");
return SQL_SUCCESS_WITH_INFO; return SQL_SUCCESS_WITH_INFO;
@ -2435,7 +2453,7 @@ static SQLRETURN conv_tsdb_f4_to_c_binary(sql_t *sql, c_target_t *target, TAOS_F
int n = snprintf(buf, sizeof(buf), "%g", f4); int n = snprintf(buf, sizeof(buf), "%g", f4);
DASSERT(n<sizeof(buf)); DASSERT(n<sizeof(buf));
*target->soi = n; *target->soi = n;
if (target->ptr) strncpy(target->ptr, buf, (n>target->len ? target->len : n)); strncpy(target->ptr, buf, (n>target->len ? target->len : n));
if (n<=target->len) return SQL_SUCCESS; if (n<=target->len) return SQL_SUCCESS;
SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_FLOAT -> SQL_C_BINARY"); SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_FLOAT -> SQL_C_BINARY");
return SQL_SUCCESS_WITH_INFO; return SQL_SUCCESS_WITH_INFO;
@ -2445,7 +2463,7 @@ static SQLRETURN conv_tsdb_f4_to_c_binary(sql_t *sql, c_target_t *target, TAOS_F
static SQLRETURN conv_tsdb_f8_to_c_double(sql_t *sql, c_target_t *target, TAOS_FIELD *field, double f8) static SQLRETURN conv_tsdb_f8_to_c_double(sql_t *sql, c_target_t *target, TAOS_FIELD *field, double f8)
{ {
double v = f8; double v = f8;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
@ -2455,7 +2473,7 @@ static SQLRETURN conv_tsdb_f8_to_c_char(sql_t *sql, c_target_t *target, TAOS_FIE
int n = snprintf(buf, sizeof(buf), "%.6f", f8); int n = snprintf(buf, sizeof(buf), "%.6f", f8);
DASSERT(n<sizeof(buf)); DASSERT(n<sizeof(buf));
*target->soi = n; *target->soi = n;
if (target->ptr) strncpy(target->ptr, buf, (n>=target->len ? target->len : n+1)); strncpy(target->ptr, buf, (n>=target->len ? target->len : n+1));
if (n<=target->len) return SQL_SUCCESS; if (n<=target->len) return SQL_SUCCESS;
SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_DOUBLE -> SQL_C_CHAR"); SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_DOUBLE -> SQL_C_CHAR");
return SQL_SUCCESS_WITH_INFO; return SQL_SUCCESS_WITH_INFO;
@ -2467,7 +2485,7 @@ static SQLRETURN conv_tsdb_f8_to_c_binary(sql_t *sql, c_target_t *target, TAOS_F
int n = snprintf(buf, sizeof(buf), "%g", f8); int n = snprintf(buf, sizeof(buf), "%g", f8);
DASSERT(n<sizeof(buf)); DASSERT(n<sizeof(buf));
*target->soi = n; *target->soi = n;
if (target->ptr) strncpy(target->ptr, buf, (n>target->len ? target->len : n)); strncpy(target->ptr, buf, (n>target->len ? target->len : n));
if (n<=target->len) return SQL_SUCCESS; if (n<=target->len) return SQL_SUCCESS;
SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_DOUBLE -> SQL_C_BINARY"); SET_ERROR(sql, "22003", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_DOUBLE -> SQL_C_BINARY");
return SQL_SUCCESS_WITH_INFO; return SQL_SUCCESS_WITH_INFO;
@ -2488,7 +2506,7 @@ static SQLRETURN conv_tsdb_ts_to_c_v8(sql_t *sql, c_target_t *target, TAOS_FIELD
int64_t v = (int64_t)t; int64_t v = (int64_t)t;
v *= 1000; v *= 1000;
v += ts->fraction % 1000; v += ts->fraction % 1000;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
@ -2508,9 +2526,7 @@ static SQLRETURN conv_tsdb_ts_to_c_str(sql_t *sql, c_target_t *target, TAOS_FIEL
*target->soi = n; *target->soi = n;
if (target->ptr) { snprintf(target->ptr, target->len, "%s.%03d", buf, ts->fraction);
snprintf(target->ptr, target->len, "%s.%03d", buf, ts->fraction);
}
if (n <= target->len) { if (n <= target->len) {
return SQL_SUCCESS; return SQL_SUCCESS;
@ -2536,7 +2552,7 @@ static SQLRETURN conv_tsdb_ts_to_c_bin(sql_t *sql, c_target_t *target, TAOS_FIEL
*target->soi = n; *target->soi = n;
if (target->ptr) memcpy(target->ptr, buf, (n>target->len ? target->len : n)); memcpy(target->ptr, buf, (n>target->len ? target->len : n));
if (n <= target->len) { if (n <= target->len) {
return SQL_SUCCESS; return SQL_SUCCESS;
@ -2548,31 +2564,55 @@ static SQLRETURN conv_tsdb_ts_to_c_bin(sql_t *sql, c_target_t *target, TAOS_FIEL
static SQLRETURN conv_tsdb_ts_to_c_ts(sql_t *sql, c_target_t *target, TAOS_FIELD *field, TIMESTAMP_STRUCT *ts) static SQLRETURN conv_tsdb_ts_to_c_ts(sql_t *sql, c_target_t *target, TAOS_FIELD *field, TIMESTAMP_STRUCT *ts)
{ {
if (target->ptr) memcpy(target->ptr, ts, sizeof(*ts)); memcpy(target->ptr, ts, sizeof(*ts));
return SQL_SUCCESS; return SQL_SUCCESS;
} }
static SQLRETURN conv_tsdb_bin_to_c_str(sql_t *sql, c_target_t *target, TAOS_FIELD *field, const unsigned char *bin) static SQLRETURN conv_tsdb_bin_to_c_str(sql_t *sql, c_target_t *target, TAOS_FIELD *field, const unsigned char *bin)
{ {
size_t n = field->bytes; if (target->len<1) {
n = strlen((const char*)bin); SET_ERROR(sql, "HY090", TSDB_CODE_ODBC_BAD_ARG, "");
*target->soi = n; return SQL_ERROR;
if (target->ptr) memcpy(target->ptr, bin, (n>target->len ? target->len : n)); }
if (n <= target->len) return SQL_SUCCESS; size_t field_bytes = field->bytes - VARSTR_HEADER_SIZE;
size_t n = strnlen((const char*)bin, field_bytes);
SET_ERROR(sql, "01004", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_BINARY -> SQL_C_CHAR"); if (n < target->len) {
memcpy(target->ptr, bin, n);
target->ptr[n] = '\0';
*target->soi = n;
return SQL_SUCCESS;
}
n = target->len - 1;
*target->soi = n;
if (n > 0) {
memcpy(target->ptr, bin, n-1);
target->ptr[n-1] = '\0';
}
SET_ERROR(sql, "01004", TSDB_CODE_ODBC_CONV_TRUNC, "");
return SQL_SUCCESS_WITH_INFO; return SQL_SUCCESS_WITH_INFO;
} }
static SQLRETURN conv_tsdb_bin_to_c_bin(sql_t *sql, c_target_t *target, TAOS_FIELD *field, const unsigned char *bin) static SQLRETURN conv_tsdb_bin_to_c_bin(sql_t *sql, c_target_t *target, TAOS_FIELD *field, const unsigned char *bin)
{ {
size_t n = field->bytes; if (target->len<1) {
n = strlen((const char*)bin); SET_ERROR(sql, "HY090", TSDB_CODE_ODBC_BAD_ARG, "");
*target->soi = n; return SQL_ERROR;
if (target->ptr) memcpy(target->ptr, bin, (n>target->len ? target->len : n)); }
if (n <= target->len) return SQL_SUCCESS; size_t field_bytes = field->bytes - VARSTR_HEADER_SIZE;
size_t n = strnlen((const char*)bin, field_bytes);
SET_ERROR(sql, "01004", TSDB_CODE_ODBC_CONV_UNDEF, "TSDB_DATA_TYPE_BINARY -> SQL_C_CHAR"); if (n <= target->len) {
memcpy(target->ptr, bin, n);
if (n<target->len) target->ptr[n] = '\0';
*target->soi = n;
return SQL_SUCCESS;
}
n = target->len;
memcpy(target->ptr, bin, n);
*target->soi = n;
SET_ERROR(sql, "01004", TSDB_CODE_ODBC_CONV_TRUNC, "");
return SQL_SUCCESS_WITH_INFO; return SQL_SUCCESS_WITH_INFO;
} }
@ -2583,7 +2623,7 @@ static SQLRETURN conv_tsdb_str_to_c_bit(sql_t *sql, c_target_t *target, TAOS_FIE
int n = sscanf(str, "%lf%n", &f8, &bytes); int n = sscanf(str, "%lf%n", &f8, &bytes);
int8_t v = f8; int8_t v = f8;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
*target->soi = 1; *target->soi = 1;
@ -2622,7 +2662,7 @@ static SQLRETURN conv_tsdb_str_to_c_v1(sql_t *sql, c_target_t *target, TAOS_FIEL
int n = sscanf(str, "%lf%n", &f8, &bytes); int n = sscanf(str, "%lf%n", &f8, &bytes);
int8_t v = f8; int8_t v = f8;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
*target->soi = 1; *target->soi = 1;
@ -2652,7 +2692,7 @@ static SQLRETURN conv_tsdb_str_to_c_v2(sql_t *sql, c_target_t *target, TAOS_FIEL
int n = sscanf(str, "%lf%n", &f8, &bytes); int n = sscanf(str, "%lf%n", &f8, &bytes);
int16_t v = f8; int16_t v = f8;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
*target->soi = 2; *target->soi = 2;
@ -2682,7 +2722,7 @@ static SQLRETURN conv_tsdb_str_to_c_v4(sql_t *sql, c_target_t *target, TAOS_FIEL
int n = sscanf(str, "%lf%n", &f8, &bytes); int n = sscanf(str, "%lf%n", &f8, &bytes);
int32_t v = f8; int32_t v = f8;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
*target->soi = 4; *target->soi = 4;
@ -2712,7 +2752,7 @@ static SQLRETURN conv_tsdb_str_to_c_v8(sql_t *sql, c_target_t *target, TAOS_FIEL
int n = sscanf(str, "%lf%n", &f8, &bytes); int n = sscanf(str, "%lf%n", &f8, &bytes);
int64_t v = f8; int64_t v = f8;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
*target->soi = 8; *target->soi = 8;
@ -2742,7 +2782,7 @@ static SQLRETURN conv_tsdb_str_to_c_f4(sql_t *sql, c_target_t *target, TAOS_FIEL
int n = sscanf(str, "%lf%n", &f8, &bytes); int n = sscanf(str, "%lf%n", &f8, &bytes);
float v = f8; float v = f8;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
*target->soi = 4; *target->soi = 4;
@ -2761,7 +2801,7 @@ static SQLRETURN conv_tsdb_str_to_c_f8(sql_t *sql, c_target_t *target, TAOS_FIEL
int n = sscanf(str, "%lf%n", &f8, &bytes); int n = sscanf(str, "%lf%n", &f8, &bytes);
float v = f8; float v = f8;
if (target->ptr) memcpy(target->ptr, &v, sizeof(v)); memcpy(target->ptr, &v, sizeof(v));
*target->soi = 8; *target->soi = 8;
@ -2775,25 +2815,11 @@ static SQLRETURN conv_tsdb_str_to_c_f8(sql_t *sql, c_target_t *target, TAOS_FIEL
static SQLRETURN conv_tsdb_str_to_c_str(sql_t *sql, c_target_t *target, TAOS_FIELD *field, const char *str) static SQLRETURN conv_tsdb_str_to_c_str(sql_t *sql, c_target_t *target, TAOS_FIELD *field, const char *str)
{ {
size_t n = strlen(str); return conv_tsdb_bin_to_c_str(sql, target, field, (const unsigned char*)str);
*target->soi = n;
if (target->ptr) strncpy(target->ptr, str, (n < target->len ? n+1 : target->len));
if (n < target->len) return SQL_SUCCESS;
SET_ERROR(sql, "01004", TSDB_CODE_ODBC_CONV_TRUNC, "TSDB_DATA_TYPE_NCHAR -> SQL_C_CHAR");
return SQL_SUCCESS_WITH_INFO;
} }
static SQLRETURN conv_tsdb_str_to_c_bin(sql_t *sql, c_target_t *target, TAOS_FIELD *field, const char *str) static SQLRETURN conv_tsdb_str_to_c_bin(sql_t *sql, c_target_t *target, TAOS_FIELD *field, const char *str)
{ {
size_t n = strlen(str); return conv_tsdb_bin_to_c_bin(sql, target, field, (const unsigned char*)str);
*target->soi = n;
if (target->ptr) memcpy(target->ptr, str, (n < target->len ? n : target->len));
if (n <= target->len) return SQL_SUCCESS;
SET_ERROR(sql, "01004", TSDB_CODE_ODBC_CONV_TRUNC, "TSDB_DATA_TYPE_NCHAR -> SQL_C_BINARY");
return SQL_SUCCESS_WITH_INFO;
} }

9
src/connector/odbc/src/todbc_util.h
View File

@ -35,6 +35,15 @@ do { \
abort(); \ abort(); \
} while (0) } while (0)
#define DASSERTX(statement, fmt, ...) \
do { \
if (statement) break; \
D("Assertion failure: %s, " fmt "", #statement, ##__VA_ARGS__); \
abort(); \
} while (0)
const char* sql_sql_type(int type); const char* sql_sql_type(int type);
const char* sql_c_type(int type); const char* sql_c_type(int type);

25
src/connector/odbc/tests/odbc.py
View File

@ -3,6 +3,7 @@ cnxn = pyodbc.connect('DSN=TAOS_DSN;UID=root;PWD=taosdata', autocommit=True)
cnxn.setdecoding(pyodbc.SQL_CHAR, encoding='utf-8') cnxn.setdecoding(pyodbc.SQL_CHAR, encoding='utf-8')
#cnxn.setdecoding(pyodbc.SQL_WCHAR, encoding='utf-8') #cnxn.setdecoding(pyodbc.SQL_WCHAR, encoding='utf-8')
#cnxn.setencoding(encoding='utf-8') #cnxn.setencoding(encoding='utf-8')
cursor = cnxn.cursor() cursor = cnxn.cursor()
cursor.execute("SELECT * from db.t") cursor.execute("SELECT * from db.t")
row = cursor.fetchone() row = cursor.fetchone()
@ -54,3 +55,27 @@ while row:
row = cursor.fetchone() row = cursor.fetchone()
cursor.close() cursor.close()
cursor = cnxn.cursor()
cursor.execute("drop database if exists db");
cursor.close()
cursor = cnxn.cursor()
cursor.execute("create database db");
cursor.close()
cursor = cnxn.cursor()
cursor.execute("create table db.t (ts timestamp, b bool, v1 tinyint, v2 smallint, v4 int, v8 bigint, f4 float, f8 double, bin binary(4), blob nchar(4))");
cursor.close()
cursor = cnxn.cursor()
cursor.execute("insert into db.t values('2020-10-13 06:44:00', 1, 127, 32767, 32768, 32769, 123.456, 789.987, 'hell', 'worl')")
cursor.close()
cursor = cnxn.cursor()
cursor.execute("SELECT * from db.t")
row = cursor.fetchone()
while row:
print(row)
row = cursor.fetchone()
cursor.close()

1
src/inc/taos.h
View File

@ -96,6 +96,7 @@ typedef struct TAOS_BIND {
TAOS_STMT *taos_stmt_init(TAOS *taos); TAOS_STMT *taos_stmt_init(TAOS *taos);
int taos_stmt_prepare(TAOS_STMT *stmt, const char *sql, unsigned long length); int taos_stmt_prepare(TAOS_STMT *stmt, const char *sql, unsigned long length);
int taos_stmt_is_insert(TAOS_STMT *stmt, int *insert);
int taos_stmt_num_params(TAOS_STMT *stmt, int *nums); int taos_stmt_num_params(TAOS_STMT *stmt, int *nums);
int taos_stmt_get_param(TAOS_STMT *stmt, int idx, int *type, int *bytes); int taos_stmt_get_param(TAOS_STMT *stmt, int idx, int *type, int *bytes);
int taos_stmt_bind_param(TAOS_STMT *stmt, TAOS_BIND *bind); int taos_stmt_bind_param(TAOS_STMT *stmt, TAOS_BIND *bind);

1
src/inc/taoserror.h
View File

@ -366,6 +366,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_ODBC_INVALID_CURSOR, 0, 0x2110, "invalid cu
TAOS_DEFINE_ERROR(TSDB_CODE_ODBC_STATEMENT_NOT_READY, 0, 0x2111, "statement not ready") TAOS_DEFINE_ERROR(TSDB_CODE_ODBC_STATEMENT_NOT_READY, 0, 0x2111, "statement not ready")
TAOS_DEFINE_ERROR(TSDB_CODE_ODBC_CONNECTION_BUSY, 0, 0x2112, "connection still busy") TAOS_DEFINE_ERROR(TSDB_CODE_ODBC_CONNECTION_BUSY, 0, 0x2112, "connection still busy")
TAOS_DEFINE_ERROR(TSDB_CODE_ODBC_BAD_CONNSTR, 0, 0x2113, "bad connection string") TAOS_DEFINE_ERROR(TSDB_CODE_ODBC_BAD_CONNSTR, 0, 0x2113, "bad connection string")
TAOS_DEFINE_ERROR(TSDB_CODE_ODBC_BAD_ARG, 0, 0x2114, "bad argument")
#ifdef TAOS_ERROR_C #ifdef TAOS_ERROR_C