net.sf.jsqlparser.statement.select.FromItem Java Examples

The following examples show how to use net.sf.jsqlparser.statement.select.FromItem. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: FromHolder.java    From sql-to-mongo-db-query-converter with Apache License 2.0 6 votes vote down vote up 
private void addToSQLHolderMap(FromItem from) throws com.github.vincentrussell.query.mongodb.sql.converter.ParseException, ParseException {
	if (from instanceof Table) {
		Table table = (Table)from;
		fromToSQLHolder.put(table, new SQLTableInfoHolder(table.getName()));
   	}
   	else if(from instanceof SubSelect){
   		SubSelect subselect = (SubSelect) from; 
   		fromToSQLHolder.put(from, SQLCommandInfoHolder.Builder
                   .create(defaultFieldType, fieldNameToFieldTypeMapping)
                   .setPlainSelect((PlainSelect)subselect.getSelectBody())
                   .build());
   	}
   	else {//Not happen SubJoin, not supported previously
   		return;
   	}
}
Example #2
Source File: FromHolder.java    From sql-to-mongo-db-query-converter with Apache License 2.0 5 votes vote down vote up 
private void addBaseFrom(FromItem from, String alias) throws com.github.vincentrussell.query.mongodb.sql.converter.ParseException, ParseException {
	addBaseFrom(from);
	if(alias != null) {
		baseAlias = alias;
		aliasToTable.put(alias, from);
	}
	tableToAlias.put(from, alias);
}
Example #3
Source File: FromHolder.java    From sql-to-mongo-db-query-converter with Apache License 2.0 5 votes vote down vote up 
public void addFrom(FromItem from) throws com.github.vincentrussell.query.mongodb.sql.converter.ParseException, ParseException {
	if(baseFrom != null) {
		tableToAlias.put(from, null);
		addToSQLHolderMap(from);
	}
	else {
		addBaseFrom(from);
	}
}
Example #4
Source File: FromHolder.java    From sql-to-mongo-db-query-converter with Apache License 2.0 5 votes vote down vote up 
public void addFrom(FromItem from, String alias) throws com.github.vincentrussell.query.mongodb.sql.converter.ParseException, ParseException {
	if(baseFrom != null) {
		if(alias != null) {
			aliasToTable.put(alias, from);
		}
		tableToAlias.put(from, alias);
		addToSQLHolderMap(from);
	}
	else {
		addBaseFrom(from, alias);
	}
}
Example #5
Source File: CTEToNestedQueryConverter.java    From quetzal with Eclipse Public License 2.0 5 votes vote down vote up 
@Override
public void visit(SubJoin subjoin) {
	if (subjoin.getLeft()!=null) {
		subjoin.getLeft().accept(this);
		subjoin.setLeft(result);
	}
	if (subjoin.getJoin().getRightItem()!=null) {
		FromItem right = subjoin.getJoin().getRightItem();
		right.accept(this);
		subjoin.getJoin().setRightItem(result);
	}
	result = subjoin;
	
}
Example #6
Source File: SelectVisitorImpl.java    From DataPermissionHelper with Apache License 2.0 4 votes vote down vote up 
@Override
public void visit(PlainSelect plainSelect) {

    // 访问 select
    if (plainSelect.getSelectItems() != null) {
        for (SelectItem item : plainSelect.getSelectItems()) {
            item.accept(new SelectItemVisitorImpl());
        }
    }

    // 访问from
    FromItem fromItem = plainSelect.getFromItem();
    FromItemVisitorImpl fromItemVisitorImpl = new FromItemVisitorImpl();
    fromItem.accept(fromItemVisitorImpl);

    if (fromItemVisitorImpl.getSubSelect() != null) {
        plainSelect.setFromItem(fromItemVisitorImpl.getSubSelect());
        if (!DPHelper.getChangeTable()) {
            DPHelper.setChangeTable(true);
        }
    }

    // 访问where
    if (plainSelect.getWhere() != null) {
        plainSelect.getWhere().accept(new ExpressionVisitorImpl());
    }

    // 访问join
    if (plainSelect.getJoins() != null) {
        for (Join join : plainSelect.getJoins()) {
            FromItemVisitorImpl fromItemVisitorImplTemp = new FromItemVisitorImpl();
            join.getRightItem().accept(fromItemVisitorImplTemp);
            if (fromItemVisitorImplTemp.getSubSelect() != null) {
                join.setRightItem(fromItemVisitorImplTemp.getSubSelect());
                if (!DPHelper.getChangeTable()) {
                    DPHelper.setChangeTable(true);
                }
            }
        }
    }

    // 访问 order by
    if (plainSelect.getOrderByElements() != null) {
        for (OrderByElement orderByElement : plainSelect
                .getOrderByElements()) {
            orderByElement.getExpression().accept(
                    new ExpressionVisitorImpl());
        }
    }

    // 访问group by having
    if (plainSelect.getHaving() != null) {
        plainSelect.getHaving().accept(new ExpressionVisitorImpl());
    }

}
Example #7
Source File: FromHolder.java    From sql-to-mongo-db-query-converter with Apache License 2.0 4 votes vote down vote up 
private void addBaseFrom(FromItem from) throws com.github.vincentrussell.query.mongodb.sql.converter.ParseException, ParseException {
	baseFrom = from;
	addToSQLHolderMap(from);
}
Example #8
Source File: FromHolder.java    From sql-to-mongo-db-query-converter with Apache License 2.0 4 votes vote down vote up 
public FromItem getBaseFrom() throws ParseException {
	return baseFrom;
}
Example #9
Source File: FromHolder.java    From sql-to-mongo-db-query-converter with Apache License 2.0 4 votes vote down vote up 
public SQLInfoHolder getSQLHolder(FromItem fitem) throws ParseException {
	return fromToSQLHolder.get(fitem);
}
Example #10
Source File: CTEToNestedQueryConverter.java    From quetzal with Eclipse Public License 2.0 4 votes vote down vote up 
public FromItem getResult() {
	return result;
}