The following table describes how OceanBase Connector/ODBC maps OBServer data types to default SQL and C data types.
OBServer data type |
SQL data type |
C data type |
|---|---|---|
| bigint unsigned | SQL_BIGINT | SQL_C_UBIGINT |
| bigint | SQL_BIGINT | SQL_C_SBIGINT |
| bit | SQL_BIT | SQL_C_BIT |
| bit | SQL_CHAR | SQL_C_CHAR |
| blob | SQL_LONGVARBINARY | SQL_C_BINARY |
| bool | SQL_CHAR | SQL_C_CHAR |
| char | SQL_CHAR | SQL_C_CHAR |
| date | SQL_DATE | SQL_C_DATE |
| datetime | SQL_TIMESTAMP | SQL_C_TIMESTAMP |
| decimal | SQL_DECIMAL | SQL_C_CHAR |
| double precision | SQL_DOUBLE | SQL_C_DOUBLE |
| double | SQL_FLOAT | SQL_C_DOUBLE |
| enum | SQL_VARCHAR | SQL_C_CHAR |
| float | SQL_REAL | SQL_C_FLOAT |
| int unsigned | SQL_INTEGER | SQL_C_ULONG |
| int | SQL_INTEGER | SQL_C_SLONG |
| integer unsigned | SQL_INTEGER | SQL_C_ULONG |
| integer | SQL_INTEGER | SQL_C_SLONG |
| longblob | SQL_LONGVARBINARY | SQL_C_BINARY |
| longtext | SQL_LONGVARCHAR | SQL_C_CHAR |
| mediumblob | SQL_LONGVARBINARY | SQL_C_BINARY |
| mediumint unsigned | SQL_INTEGER | SQL_C_ULONG |
| mediumint | SQL_INTEGER | SQL_C_SLONG |
| mediumtext | SQL_LONGVARCHAR | SQL_C_CHAR |
| numeric | SQL_NUMERIC | SQL_C_CHAR |
| real | SQL_FLOAT | SQL_C_DOUBLE |
| set | SQL_VARCHAR | SQL_C_CHAR |
| smallint unsigned | SQL_SMALLINT | SQL_C_USHORT |
| smallint | SQL_SMALLINT | SQL_C_SSHORT |
| text | SQL_LONGVARCHAR | SQL_C_CHAR |
| time | SQL_TIME | SQL_C_TIME |
| timestamp | SQL_TIMESTAMP | SQL_C_TIMESTAMP |
| tinyblob | SQL_LONGVARBINARY | SQL_C_BINARY |
| tinyint unsigned | SQL_TINYINT | SQL_C_UTINYINT |
| tinyint | SQL_TINYINT | SQL_C_STINYINT |
| tinytext | SQL_LONGVARCHAR | SQL_C_CHAR |
| varchar | SQL_VARCHAR | SQL_C_CHAR |
| year | SQL_SMALLINT | SQL_C_SHORT |