This section describes java.sql.ResultSetMetaData, which provides details about ResultSet object information.
Table 1 Support status for java.sql.ResultSetMetaData
Method Name | Return Type | JDBC 4 Is Supported Or Not |
|---|
getCatalogName(int column) | String | Yes |
getColumnClassName(int column) | String | Yes |
getColumnCount() | int | Yes |
getColumnDisplaySize(int column) | int | Yes |
getColumnLabel(int column) | String | Yes |
getColumnName(int column) | String | Yes |
getColumnType(int column) | int | Yes |
getColumnTypeName(int column) | String | Yes |
getPrecision(int column) | int | Yes |
getScale(int column) | int | Yes |
getSchemaName(int column) | String | Yes |
getTableName(int column) | String | Yes |
isAutoIncrement(int column) | Boolean | Yes |
isCaseSensitive(int column) | Boolean | Yes |
isCurrency(int column) | Boolean | Yes |
isDefinitelyWritable(int column) | Boolean | Yes |
isNullable(int column) | int | Yes |
isReadOnly(int column) | Boolean | Yes |
isSearchable(int column) | Boolean | Yes |
isSigned(int column) | Boolean | Yes |
isWritable(int column) | Boolean | Yes |
NOTE:
When uppercaseAttributeName is set to true, the following APIs convert the query result to uppercase letters. The conversion range is 26 English letters.
- public String getColumnName(int column)
- public String getColumnLabel(int column)
openGauss 2025-04-28 07:53:20