本文整理汇总了Java中net.sf.jsqlparser.statement.select.PlainSelect.getSelectItems方法的典型用法代码示例。如果您正苦于以下问题:Java PlainSelect.getSelectItems方法的具体用法?Java PlainSelect.getSelectItems怎么用?Java PlainSelect.getSelectItems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net.sf.jsqlparser.statement.select.PlainSelect
的用法示例。
在下文中一共展示了PlainSelect.getSelectItems方法的13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: visit
import net.sf.jsqlparser.statement.select.PlainSelect; //导入方法依赖的package包/类
@Override
public void visit(PlainSelect plainSelect) {
for (SelectItem item : plainSelect.getSelectItems()) {
item.accept(this);
}
if (itemsExpr.size() > 1) {
BinaryExpression binExpr = createBinaryExpression();
binExpr.setLeftExpression(itemsExpr.get(0).getExpression());
for (int i = 1; i < itemsExpr.size() - 1; i++) {
binExpr.setRightExpression(itemsExpr.get(i).getExpression());
BinaryExpression binExpr2 = createBinaryExpression();
binExpr2.setLeftExpression(binExpr);
binExpr = binExpr2;
}
binExpr.setRightExpression(itemsExpr.get(itemsExpr.size() - 1).getExpression());
SelectExpressionItem sei = new SelectExpressionItem();
sei.setExpression(binExpr);
plainSelect.getSelectItems().clear();
plainSelect.getSelectItems().add(sei);
}
((SelectExpressionItem) plainSelect.getSelectItems().get(0)).setAlias(new Alias(alias));
}
示例2: visit
import net.sf.jsqlparser.statement.select.PlainSelect; //导入方法依赖的package包/类
@Override
public void visit(PlainSelect plainSelect) {
if (plainSelect.getSelectItems() != null) {
for (SelectItem item : plainSelect.getSelectItems()) {
item.accept(this);
}
}
if (plainSelect.getFromItem() != null) {
plainSelect.getFromItem().accept(this);
}
if (plainSelect.getJoins() != null) {
for (Join join : plainSelect.getJoins()) {
join.getRightItem().accept(this);
}
}
if (plainSelect.getWhere() != null) {
plainSelect.getWhere().accept(this);
}
if (plainSelect.getOracleHierarchical() != null) {
plainSelect.getOracleHierarchical().accept(this);
}
}
示例3: visit
import net.sf.jsqlparser.statement.select.PlainSelect; //导入方法依赖的package包/类
public void visit(PlainSelect plainSelect) {
List<SelectItem> cols = plainSelect.getSelectItems();
for(SelectItem col : cols){
col.accept(this);
}
if(plainSelect.getFromItem()!=null){
plainSelect.getFromItem().accept(this);
}
if (plainSelect.getJoins() != null) {
for (Iterator joinsIt = plainSelect.getJoins().iterator(); joinsIt.hasNext();) {
Join join = (Join) joinsIt.next();
join.getRightItem().accept(this);
}
}
if (plainSelect.getWhere() != null)
plainSelect.getWhere().accept(this);
}
示例4: createProjections
import net.sf.jsqlparser.statement.select.PlainSelect; //导入方法依赖的package包/类
private List<ProjectionItem> createProjections(PlainSelect plainSelect, List<ProjectionItem> fromProjections) throws AmbiguousCoalesceException {
List<ProjectionItem> projections = Lists.newArrayList();
List<SelectItem> selectItems = plainSelect.getSelectItems();
for (SelectItem selectItem : selectItems) {
if (selectItem instanceof AllColumns) {
addAllFromProjections(fromProjections, projections);
} else if (selectItem instanceof AllTableColumns) {
AllTableColumns allTableColumns = (AllTableColumns) selectItem;
Table table = allTableColumns.getTable();
addAllFromProjectionsOfTable(fromProjections, projections, table);
} else if (selectItem instanceof SelectExpressionItem) {
SelectExpressionItem selectExpressionItem = (SelectExpressionItem) selectItem;
Expression expression = selectExpressionItem.getExpression();
addExpressionProjection(fromProjections, projections, expression, selectExpressionItem.getAlias());
}
}
return projections;
}
示例5: visit
import net.sf.jsqlparser.statement.select.PlainSelect; //导入方法依赖的package包/类
@Override
public void visit(PlainSelect plainSelect) {
if (plainSelect.getDistinct() != null && plainSelect.getDistinct().getOnSelectItems() != null) {
plainSelect.getDistinct().getOnSelectItems().forEach(s -> s.accept(this));
}
if (plainSelect.getFromItem() != null) {
plainSelect.getFromItem().accept(this);
}
if (plainSelect.getGroupByColumnReferences() != null) {
plainSelect.getGroupByColumnReferences().forEach(s -> s.accept(this));
}
if (plainSelect.getHaving() != null) {
plainSelect.getHaving().accept(this);
}
if (plainSelect.getJoins() != null) {
plainSelect.getJoins().forEach(
j -> {
visitJoin(j);
}
);
}
if (plainSelect.getOrderByElements() != null) {
plainSelect.getOrderByElements().forEach(s -> s.accept(this));
}
if (plainSelect.getSelectItems() != null) {
plainSelect.getSelectItems().forEach(s -> s.accept(this));
}
if (plainSelect.getTop() != null) {
plainSelect.getTop().getExpression().accept(this);
}
if (plainSelect.getWhere() != null) {
plainSelect.getWhere().accept(this);
}
if (plainSelect.getLimit() != null) {
visitLimit(plainSelect.getLimit());
}
}
示例6: optimizeSql
import net.sf.jsqlparser.statement.select.PlainSelect; //导入方法依赖的package包/类
@Override
public SqlInfo optimizeSql(MetaObject metaObject, String sql) {
if (logger.isDebugEnabled()) {
logger.debug(" JsqlParserCountOptimize sql=" + sql);
}
SqlInfo sqlInfo = SqlInfo.newInstance();
try {
Select selectStatement = (Select) CCJSqlParserUtil.parse(sql);
PlainSelect plainSelect = (PlainSelect) selectStatement.getSelectBody();
Distinct distinct = plainSelect.getDistinct();
List<Expression> groupBy = plainSelect.getGroupByColumnReferences();
List<OrderByElement> orderBy = plainSelect.getOrderByElements();
// 添加包含groupBy 不去除orderBy
if (CollectionUtils.isEmpty(groupBy) && CollectionUtils.isNotEmpty(orderBy)) {
plainSelect.setOrderByElements(null);
sqlInfo.setOrderBy(false);
}
//#95 Github, selectItems contains #{} ${}, which will be translated to ?, and it may be in a function: power(#{myInt},2)
for (SelectItem item : plainSelect.getSelectItems()) {
if (item.toString().contains("?")) {
sqlInfo.setSql(String.format(SqlUtils.SQL_BASE_COUNT, selectStatement.toString()));
return sqlInfo;
}
}
// 包含 distinct、groupBy不优化
if (distinct != null || CollectionUtils.isNotEmpty(groupBy)) {
sqlInfo.setSql(String.format(SqlUtils.SQL_BASE_COUNT, selectStatement.toString()));
return sqlInfo;
}
// 优化 SQL
plainSelect.setSelectItems(countSelectItem);
sqlInfo.setSql(selectStatement.toString());
return sqlInfo;
} catch (Throwable e) {
// 无法优化使用原 SQL
sqlInfo.setSql(String.format(SqlUtils.SQL_BASE_COUNT, sql));
return sqlInfo;
}
}
示例7: visit
import net.sf.jsqlparser.statement.select.PlainSelect; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
@Override
public void visit(PlainSelect select) {
if (!CollectionUtils.isEmpty(select.getGroupByColumnReferences())
|| !CollectionUtils.isEmpty(select.getJoins())) {
isSimple = false;
} else {
select.getFromItem().accept(this);
for (SelectItem item : (List<SelectItem>) select.getSelectItems()) {
item.accept(this);
}
}
}
示例8: visit
import net.sf.jsqlparser.statement.select.PlainSelect; //导入方法依赖的package包/类
@Override
public void visit(PlainSelect plainSelect) {
for (Object oItem : plainSelect.getSelectItems()) {
SelectItem item = (SelectItem) oItem;
item.accept(this);
}
}
示例9: getSelectItem
import net.sf.jsqlparser.statement.select.PlainSelect; //导入方法依赖的package包/类
private SelectItemList getSelectItem(PlainSelect plainSelect)
{
mSelectItems = new SelectItemList();
List<SelectItem> selectItemExpressions = plainSelect.getSelectItems();
for (SelectItem selectItem : selectItemExpressions) {
selectItem.accept(this);
}
return mSelectItems;
}
示例10: visit
import net.sf.jsqlparser.statement.select.PlainSelect; //导入方法依赖的package包/类
@Override
public void visit(PlainSelect plainSelect)
{
/*
* Check if the query uses DISTINCT flag
*/
checkContainDistinct(plainSelect);
FromItem fromItem = plainSelect.getFromItem();
visitFromItemExpression(fromItem);
/*
* Collect the tables in the JOIN statement
*/
List<Join> joins = plainSelect.getJoins();
if (joins != null) {
for (Join join : joins) {
visitJoinExpression(join);
}
}
/*
* Collect the filter expressions in WHERE statement
*/
Expression expr = plainSelect.getWhere();
if (expr != null) {
visitWhereExpression(expr);
}
/*
* Collect the select item expressions in SELECT statement.
*/
List<SelectItem> selectItemExpressions = plainSelect.getSelectItems();
SelectItemHandler selectItemHandler = new SelectItemHandler(this);
selectItemHandler.parse(selectItemExpressions);
}
示例11: visitColumns
import net.sf.jsqlparser.statement.select.PlainSelect; //导入方法依赖的package包/类
public void visitColumns(PlainSelect plainSelect){
columns = plainSelect.getSelectItems();
}
示例12: visitColumns
import net.sf.jsqlparser.statement.select.PlainSelect; //导入方法依赖的package包/类
protected void visitColumns(PlainSelect plainSelect){
columns = plainSelect.getSelectItems();
}
示例13: visit
import net.sf.jsqlparser.statement.select.PlainSelect; //导入方法依赖的package包/类
/**
* SelectVisitor
* @param ps
*/
@Override
public void visit(PlainSelect ps) {
// First collect FROM and JOIN items
ps.getFromItem().accept(this);
if (ps.getJoins() != null) {
for (Join j : ps.getJoins()) {
j.getRightItem().accept(this);
if (j.getOnExpression() != null) {
j.getOnExpression().accept(expParser);
}
if (j.getUsingColumns() != null) {
for (Iterator<?> it1 = j.getUsingColumns().iterator(); it1.hasNext();) {
((Expression) it1.next()).accept(expParser);
}
}
}
}
// Next iterate over SELECT, WHERE and ORDER BY items
for (Object o: ps.getSelectItems()) {
if (o instanceof SelectExpressionItem) {
((SelectExpressionItem) o).accept(this);
}
if (o instanceof AllColumns) {
((AllColumns) o).accept(this);
}
if (o instanceof AllTableColumns) {
((AllTableColumns) o).accept(this);
}
}
if (ps.getWhere() != null) {
ps.getWhere().accept(expParser);
}
if (ps.getOrderByElements() != null) {
for (Iterator<?> it = ps.getOrderByElements().iterator(); it.hasNext();) {
((OrderByElement) it.next()).accept(this);
}
}
if (ps.getOracleHierarchical() != null) {
ps.getOracleHierarchical().accept(expParser);
}
}