--http://stackoverflow.com/questions/2418527/sql-server-query-to-get-the-list-of-columns-in-a-table-along-with-data-types-no selectCOLUMN_NAME,DATA_TYPE, CHARACTER_MAXIMUM_LENGTH, NUMERIC_PRECISION, DATETIME_PRECISION, IS_NULLABLE fromINFORMATION_SCHEMA.COLUMNS whereTABLE_NAME='YourTableName' Sel...
* @param columns*/public static void getSQLAllColumns(SelectBody selectBody, Set<String>columns){if(null!=selectBody){//1.提取Select中的字段List<SelectItem> selectItems =((PlainSelect) selectBody).getSelectItems();if(null!= selectItems && selectItems.size() >0){ getSelectColumns(selectItems...
INSERT INTO [<columnstore index>] SELECT col1 /* include actual list of columns in place of col1*/ FROM [<Staging Table>] 此命令以类似于 bcp 或批量插入的方式将数据加载到列存储索引,但操作是以单批完成的。 如果临时表中的行数 < 102400,行将加载到增量行组;否则,行将直接...
public static void showColumns(Connection connection) throws Exception{ ResultSet tables = connection.getMetaData().getColumns(null, null, "test_index", null); while (tables.next()) { String TABLE_CAT = tables.getString("TABLE_CAT"); String TABLE_SCHEM = tables.getString("TABLE_SCHEM"); S...
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:" + tableList); Expression where = plain.getWhere(); if (where ...
Scope of rows:all columns in all tables in a database Ordered byschema, table name, column id Sample results You could also get this Get this interactive HTML data dictionary in minutes withDataedo. See live HTML data dictionary sample ...
cUserCols = iEnd - iStart + 1; // Walk list of columns and setup a DBCOLUMNACCESS structure if (!(prgColumns= new DBCOLUMNACCESS[cUserCols])) { // cUserCols is only 1 hr = E_FAIL; goto CLEANUP; } ZeroMemory((void*) prgColumns, sizeof(DBCOLUMNACCESS...
When an application works with an ODBC 2.xdriver, no ORDINAL_POSITION column is returned in the result set. As a result, when working with ODBC 2.xdrivers, the order of the columns in the column list returned bySQLColumnsis not necessarily the same as the order of the columns returned ...
<filler-rule sql-segment-class="org.apache.shardingsphere.core.parse.sql.segment.dml.column.InsertColumnsSegment" filler-class="org.apache.shardingsphere.core.parse.core.filler.impl.dml.InsertColumnsFiller" /> <filler-rule sql-segment-class="org.apache.shardingsphere.core.parse.sql.segment.dml.ass...
query.xxx # 查询集 all() # 返回查询到的所有数据集,返回格式list first() # 返回查询到的第一行数据集 get(index) # 返回指定索引的数据结果集 # 条件查询 filter(类名.属性[类名] 操作运算符 值) # 指定查询条件(复杂) 返回Basequery对象 filter(类名.属性[类名].魔术方法("xx")) # 指定查询...