本文整理汇总了Java中com.taobao.tddl.executor.utils.ExecUtils.convertToICursorMeta方法的典型用法代码示例。如果您正苦于以下问题：Java ExecUtils.convertToICursorMeta方法的具体用法？Java ExecUtils.convertToICursorMeta怎么用？Java ExecUtils.convertToICursorMeta使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.taobao.tddl.executor.utils.ExecUtils的用法示例。
在下文中一共展示了ExecUtils.convertToICursorMeta方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: HbCursor
import com.taobao.tddl.executor.utils.ExecUtils; //导入方法依赖的package包/类
public HbCursor(IndexMeta indexMeta, HbOperate hbOperate, TablePhysicalSchema physicalSchema, TableMeta schema,
IQuery query){
this.indexMeta = indexMeta;
this.cursorMeta = ExecUtils.convertToICursorMeta(this.indexMeta);
this.columnMap = new HashMap<String, ColumnMeta>();
this.columnIndex = new HashMap<String, Integer>();
for (ColumnMeta cm : cursorMeta.getColumns()) {
columnMap.put(cm.getName(), cm);
Integer index = cursorMeta.getIndex(indexMeta.getTableName(), cm.getName(), cm.getAlias());
columnIndex.put(cm.getName(), index);
}
this.hbOperate = hbOperate;
this.physicalSchema = physicalSchema;
this.schema = schema;
this.query = query;
}
示例2: getCursor
import com.taobao.tddl.executor.utils.ExecUtils; //导入方法依赖的package包/类
@Override
public ISchematicCursor getCursor(ExecutionContext executionContext, IndexMeta indexName, IQuery executor)
throws TddlException {
My_JdbcHandler jdbcHandler = ((My_Repository) executionContext.getCurrentRepository()).getJdbcHandler(this.dsGetter,
executor,
executionContext);
ICursorMeta meta = ExecUtils.convertToICursorMeta(indexName);
My_Cursor my_cursor = new My_Cursor(jdbcHandler, meta, executor, executor.isStreaming());
return new SchematicMyCursor(my_cursor, meta, MysqlRepoUtils.buildOrderBy(executor, indexName));
}
示例3: JE_Cursor
import com.taobao.tddl.executor.utils.ExecUtils; //导入方法依赖的package包/类
public JE_Cursor(IndexMeta meta, com.sleepycat.je.Cursor je_cursor, LockMode lockMode){
this.indexMeta = meta;
this.iCursorMeta = ExecUtils.convertToICursorMeta(meta);
this.je_cursor = je_cursor;
this.lockMode = lockMode;
this.key_codec = CodecFactory.getInstance(CodecFactory.FIXED_LENGTH).getCodec(meta.getKeyColumns());
if (meta.isPrimaryKeyIndex()) {
this.value_codec = CodecFactory.getInstance(CodecFactory.FIXED_LENGTH).getCodec(meta.getValueColumns());
} else {
this.value_codec = CodecFactory.getInstance(CodecFactory.FIXED_LENGTH).getCodec(meta.getValueColumns());
}
this.key_record = key_codec.newEmptyRecord();
this.value_record = value_codec.newEmptyRecord();
}
示例4: DemoCursor
import com.taobao.tddl.executor.utils.ExecUtils; //导入方法依赖的package包/类
public DemoCursor(IndexMeta indexMeta, NavigableMap<Object, CloneableRecord> ccmap){
this.ccmap = ccmap;
this.indexMeta = indexMeta;
this.iCursorMeta = ExecUtils.convertToICursorMeta(this.indexMeta);
List<ColumnMeta> cmArray = indexMeta.getKeyColumns();
if (cmArray != null) {
if (cmArray.size() != 1) {
throw new IllegalStateException("只支持单值索引yet");
}
} else {
throw new IllegalStateException("key array is null");
}
}
示例5: getCursor
import com.taobao.tddl.executor.utils.ExecUtils; //导入方法依赖的package包/类
@Override
public ISchematicCursor getCursor(ExecutionContext executionContext, IndexMeta indexName, IQuery executor)
throws TddlException {
My_JdbcHandler jdbcHandler = MysqlRepoUtils.getJdbcHandler(this.dsGetter, executor, executionContext);
ICursorMeta meta = ExecUtils.convertToICursorMeta(indexName);
My_Cursor my_cursor = new My_Cursor(jdbcHandler, meta, executor, executor.isStreaming());
return new SchematicMyCursor(my_cursor, meta, MysqlRepoUtils.buildOrderBy(executor, indexName));
}
示例6: handle
import com.taobao.tddl.executor.utils.ExecUtils; //导入方法依赖的package包/类
@SuppressWarnings("rawtypes")
@Override
public ISchematicCursor handle(IDataNodeExecutor executor, ExecutionContext executionContext) throws TddlException {
if (!canComposeOneSql(executor)) {
return super.handle(executor, executionContext);
}
IndexMeta indexMeta = null;
My_JdbcHandler jdbcHandler = MysqlRepoUtils.getJdbcHandler(dsGetter, executor, executionContext);
ICursorMeta meta = ExecUtils.convertToICursorMeta((IQueryTree) executor);
My_Cursor my_cursor = new My_Cursor(jdbcHandler, meta, executor, executor.isStreaming());
// if (executor.getSql() != null) {
// // TODO shenxun : 排序信息似乎丢了啊。。
// return my_cursor.getResultSet();
// }
List<IOrderBy> orderBy = null;
if (executor instanceof IJoin) {
orderBy = ((IJoin) executor).getOrderBys();
} else {
orderBy = MysqlRepoUtils.buildOrderBy(executor, indexMeta);
}
orderBy = ExecUtils.copyOrderBys(orderBy);
for (IOrderBy order : orderBy) {
if (((IQueryTree) executor).getAlias() != null) {
order.getColumn().setTableName(((IQueryTree) executor).getAlias());
}
if (order.getColumn().getAlias() != null) order.getColumn().setColumnName(order.getColumn().getAlias());
}
if (GeneralUtil.getExtraCmdBoolean(executionContext.getExtraCmds(), ExtraCmd.EXECUTE_QUERY_WHEN_CREATED, false)) {
my_cursor.init();
}
return new SchematicMyCursor(my_cursor, meta, orderBy);
}
示例7: handle
import com.taobao.tddl.executor.utils.ExecUtils; //导入方法依赖的package包/类
@SuppressWarnings("rawtypes")
@Override
public ISchematicCursor handle(IDataNodeExecutor executor, ExecutionContext executionContext) throws TddlException {
if (!canComposeOneSql(executor)) {
return super.handle(executor, executionContext);
}
IndexMeta indexMeta = null;
My_JdbcHandler jdbcHandler = ((My_Repository) executionContext.getCurrentRepository()).getJdbcHandler(dsGetter,
executor,
executionContext);
ICursorMeta meta = ExecUtils.convertToICursorMeta((IQueryTree) executor);
My_Cursor my_cursor = new My_Cursor(jdbcHandler, meta, executor, executor.isStreaming());
if (executor.getSql() != null) {
return my_cursor.getResultSet();
}
List<IOrderBy> orderBy = null;
if (executor instanceof IJoin) {
orderBy = ((IJoin) executor).getOrderBys();
} else {
orderBy = MysqlRepoUtils.buildOrderBy(executor, indexMeta);
}
orderBy = ExecUtils.copyOrderBys(orderBy);
for (IOrderBy order : orderBy) {
if (((IQueryTree) executor).getAlias() != null) {
order.getColumn().setTableName(((IQueryTree) executor).getAlias());
}
if (order.getColumn().getAlias() != null) order.getColumn().setColumnName(order.getColumn().getAlias());
}
if (!executor.lazyLoad()) {
my_cursor.init();
}
ISchematicCursor cursor = new SchematicMyCursor(my_cursor, meta, orderBy);
if (((IQueryTree) executor).getSubqueryFilter() != null) {
cursor = executionContext.getCurrentRepository()
.getCursorFactory()
.valueFilterCursor(executionContext, cursor, ((IQueryTree) executor).getSubqueryFilter());
}
return cursor;
}