34 tables["tablename"]["columnname"].Ignore = true; // To ignore a column 35 tables["tablename"]["columnname"].PropertyName="newname"; // To change the property name of a column 36 tables["tablename"]["columnname"].PropertyType="bool"; // To change the property type of a colu...
*/String value=shardingValue.getValue()%tableNames.size()+"";if(tableName.endsWith(value)){returntableName;}}thrownewIllegalArgumentException();}} 分表时Collection<String>参数为上边计算出的分片库,对应的所有分片表的集合tablesNames;PreciseShardingValue为分片属性,其中logicTableName为逻辑表,columnName...
,表名称=object_name(b.fkeyid) ,引用的列ID=b.fkey ,引用的列名=(SELECT name FROM syscolumns WHERE colid=b.fkey AND id=b.fkeyid) ,引用的表对象ID=b.rkeyid ,引用的表名=object_name(b.rkeyid) ,已引用的列ID=b.rkey ,已引用的列名=(SELECT name FROM syscolumns WHERE colid=b.rkey AND i...
CREATE [EXTERNAL] TABLE [IF NOT EXISTS] table_name [(col_name data_type [COMMENT col_comment], ...)] [COMMENT table_comment] [PARTITIONED BY (col_name data_type [COMMENT col_comment], ...)] [CLUSTERED BY (col_name, col_name, ...) [SORTED BY (col_name [ASC|DESC], ...)] ...
getTables(null, null, "x", null)).willReturn(resultSet); SimpleJdbcInsert insert = new SimpleJdbcInsert(dataSource).withTableName("x"); // Shouldn't succeed in inserting into table which doesn't exist thrown.expect(InvalidDataAccessApiUsageException.class); try { insert.execute(new Hash...
そのため、 SQLTables() 関数の呼び出しは控えめに使用し、呼び出しを繰り返すのではなく結果を保存してください。 SQL_MAX_CATALOG_NAME_LEN、SQL_MAX_OWNER_SCHEMA_LEN、SQL_MAX_TABLE_NAME_LEN、および SQL_MAX_COLUMN_NAME_LEN を指定して SQLGetInfo() 関数を呼び出し、接続されている TABLE...
getName()); boolean allColumns = function.isAllColumns(); System.out.println("传入的是全部列:" + allColumns); //判断表达式是否是列 } else if (expression instanceof Column) { System.out.println("查询值:" + ((Column) expression).getColumnName()); } } // System.out.println("表名:"...
Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Database changed MariaDB [new_sakila]> show tables; +---+ | Tables_in_new_sakila | +---+ | student | | test...
SQLSMALLINTNameLength4輸入儲存ColumnName所需的 SQLCHAR 元素 (或此函數的 Unicode 變式的 SQLWCHAR 元素) 數目,如果ColumnName以空值結尾,則為 SQL_NTS。 使用情形 使用此函數來擷取表格或一組表格的直欄相關資訊。 應用程式可以在呼叫SQLTables()之後呼叫此函數,以判定表格的直欄。 應用程式必須使用SQLTables()...
(Base): __tablename__ = 'parent' id = Column(Integer, primary_key=True) children = relationship("Child") class Child(Base): __tablename__ = 'child' id = Column(Integer, primary_key=True) parent_id = Column(Integer, ForeignKey('parent.id')) # Init with name of file, default ...