本文整理汇总了Java中org.apache.calcite.sql.SqlSelect.getWhere方法的典型用法代码示例。如果您正苦于以下问题：Java SqlSelect.getWhere方法的具体用法？Java SqlSelect.getWhere怎么用？Java SqlSelect.getWhere使用的例子？那么, 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org.apache.calcite.sql.SqlSelect的用法示例。
在下文中一共展示了SqlSelect.getWhere方法的3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: parseCondition
import org.apache.calcite.sql.SqlSelect; //导入方法依赖的package包/类
private Condition parseCondition(SqlSelect sqlSelect) {
Condition condition = null;
SqlNode where = sqlSelect.getWhere();
if (where != null) {
ExpressionGenerator exprGenerator = new ExpressionGenerator(streams, catalogUdfs);
condition = new Condition(where.accept(exprGenerator));
referredUdfs.addAll(exprGenerator.getReferredUdfs());
}
LOG.debug("Condition {}", condition);
return condition;
}
示例2: validateWhereClause
import org.apache.calcite.sql.SqlSelect; //导入方法依赖的package包/类
protected void validateWhereClause(SqlSelect select) {
// validate WHERE clause
final SqlNode where = select.getWhere();
if (where == null) {
return;
}
final SqlValidatorScope whereScope = getWhereScope(select);
final SqlNode expandedWhere = expand(where, whereScope);
select.setWhere(expandedWhere);
validateWhereOrOn(whereScope, expandedWhere, "WHERE");
}
示例3: extractSelect
import org.apache.calcite.sql.SqlSelect; //导入方法依赖的package包/类
private VirtualDatasetState extractSelect(String sql, SqlNode node, final RelDataType relDataType) {
SqlSelect select = (SqlSelect)node;
// From table
FromNode from = extractFrom(select);
// Selected columns
List<Column> columns = extractColumns(relDataType, select, from);
SqlNode where = select.getWhere();
if (where != null) {
return fallback("where is not supported yet", where, sql);
}
SqlNodeList groupBy = select.getGroup();
if (groupBy != null) {
return fallback("group by is not supported yet", groupBy, sql);
}
SqlNode having = select.getHaving();
if (having != null) {
return fallback("having is not supported yet", having, sql);
}
SqlNodeList windowDecls = select.getWindowList();
if (windowDecls != null && !windowDecls.getList().isEmpty()) {
return fallback("window is not supported yet", windowDecls, sql);
}
List<Order> orders = extractOrders(select.getOrderList(), from);
SqlNode offset = select.getOffset();
if (offset != null) {
return fallback("offset is not supported yet", offset, sql);
}
SqlNode fetch = select.getFetch();
if (fetch != null) {
return fallback("fetch is not supported yet", fetch, sql);
}
FromTable fromTable = new FromTable(from.getTableToString());
if (from.alias != null) {
fromTable.setAlias(from.getAliasToString());
}
return new VirtualDatasetState(fromTable.wrap())
.setColumnsList(columns)
.setOrdersList(orders);
}