org.apache.calcite.rel.logical.LogicalTableScan.getCluster()方法的使用及代码示例

本文整理了Java中org.apache.calcite.rel.logical.LogicalTableScan.getCluster()方法的一些代码示例，展示了LogicalTableScan.getCluster()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。LogicalTableScan.getCluster()方法的具体详情如下：
包路径：org.apache.calcite.rel.logical.LogicalTableScan
类名称：LogicalTableScan
方法名：getCluster

LogicalTableScan.getCluster介绍

暂无

代码示例

代码示例来源：origin: apache/incubator-druid

/**
* Create a DruidQueryRel representing a full scan.
*/
public static DruidQueryRel fullScan(
final LogicalTableScan scanRel,
final RelOptTable table,
final DruidTable druidTable,
final QueryMaker queryMaker
)
{
return new DruidQueryRel(
scanRel.getCluster(),
scanRel.getCluster().traitSetOf(Convention.NONE),
table,
druidTable,
queryMaker,
PartialDruidQuery.create(scanRel)
);
}

代码示例来源：origin: org.apache.druid/druid-sql

/**
* Create a DruidQueryRel representing a full scan.
*/
public static DruidQueryRel fullScan(
final LogicalTableScan scanRel,
final RelOptTable table,
final DruidTable druidTable,
final QueryMaker queryMaker
)
{
return new DruidQueryRel(
scanRel.getCluster(),
scanRel.getCluster().traitSetOf(Convention.NONE),
table,
druidTable,
queryMaker,
PartialDruidQuery.create(scanRel)
);
}

代码示例来源：origin: org.apache.calcite/calcite-core

@Override public void onMatch(RelOptRuleCall call) {
final LogicalTableScan scan = call.rel(0);
final RelOptTable table = scan.getTable();
if (BindableTableScan.canHandle(table)) {
call.transformTo(
BindableTableScan.create(scan.getCluster(), table));
}
}
}

代码示例来源：origin: Qihoo360/Quicksql

public void onMatch(RelOptRuleCall call) {
final LogicalTableScan oldRel = call.rel(0);
RelNode newRel =
oldRel.getTable().toRel(
RelOptUtil.getContext(oldRel.getCluster()));
call.transformTo(newRel);
}
}

代码示例来源：origin: Qihoo360/Quicksql

@Override public void onMatch(RelOptRuleCall call) {
final LogicalTableScan scan = call.rel(0);
final RelOptTable table = scan.getTable();
if (BindableTableScan.canHandle(table)) {
call.transformTo(
BindableTableScan.create(scan.getCluster(), table));
}
}
}

代码示例来源：origin: org.apache.calcite/calcite-core

public void onMatch(RelOptRuleCall call) {
final LogicalTableScan oldRel = call.rel(0);
RelNode newRel =
oldRel.getTable().toRel(
ViewExpanders.simpleContext(oldRel.getCluster()));
call.transformTo(newRel);
}
}

代码示例来源：origin: org.apache.calcite/calcite-core

@Override public RelNode convert(RelNode rel) {
LogicalTableScan scan = (LogicalTableScan) rel;
final RelOptTable relOptTable = scan.getTable();
final Table table = relOptTable.unwrap(Table.class);
if (!EnumerableTableScan.canHandle(table)) {
return null;
}
final Expression expression = relOptTable.getExpression(Object.class);
if (expression == null) {
return null;
}
return EnumerableTableScan.create(scan.getCluster(), relOptTable);
}
}

代码示例来源：origin: Qihoo360/Quicksql

@Override public RelNode convert(RelNode rel) {
LogicalTableScan scan = (LogicalTableScan) rel;
final RelOptTable relOptTable = scan.getTable();
final Table table = relOptTable.unwrap(Table.class);
if (!EnumerableTableScan.canHandle(table)) {
return null;
}
final Expression expression = relOptTable.getExpression(Object.class);
if (expression == null) {
return null;
}
return EnumerableTableScan.create(scan.getCluster(), relOptTable);
}
}