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19 | 19 | package net.sf.jsqlparser.test.select; |
20 | 20 |
|
21 | 21 | import net.sf.jsqlparser.JSQLParserException; |
| 22 | +import net.sf.jsqlparser.parser.CCJSqlParserDefaultVisitor; |
22 | 23 | import net.sf.jsqlparser.parser.CCJSqlParserTreeConstants; |
23 | 24 | import net.sf.jsqlparser.parser.CCJSqlParserUtil; |
24 | 25 | import net.sf.jsqlparser.parser.SimpleNode; |
| 26 | +import net.sf.jsqlparser.parser.Token; |
25 | 27 | import net.sf.jsqlparser.schema.Column; |
26 | 28 | import net.sf.jsqlparser.statement.Statement; |
27 | 29 | import net.sf.jsqlparser.statement.select.OrderByElement; |
|
38 | 40 | * @author toben |
39 | 41 | */ |
40 | 42 | public class SelectASTTest { |
41 | | - |
| 43 | + |
42 | 44 | @Test |
43 | 45 | public void testSelectASTColumn() throws JSQLParserException { |
44 | 46 | String sql = "SELECT a, b FROM mytable order by b, c"; |
45 | 47 | StringBuilder b = new StringBuilder(sql); |
46 | 48 | Statement stmt = CCJSqlParserUtil.parse(sql); |
47 | | - Select select = (Select)stmt; |
48 | | - PlainSelect ps = (PlainSelect)select.getSelectBody(); |
| 49 | + Select select = (Select) stmt; |
| 50 | + PlainSelect ps = (PlainSelect) select.getSelectBody(); |
49 | 51 | for (SelectItem item : ps.getSelectItems()) { |
50 | | - SelectExpressionItem sei = (SelectExpressionItem)item; |
51 | | - Column c = (Column)sei.getExpression(); |
| 52 | + SelectExpressionItem sei = (SelectExpressionItem) item; |
| 53 | + Column c = (Column) sei.getExpression(); |
52 | 54 | SimpleNode astNode = c.getASTNode(); |
53 | 55 | assertNotNull(astNode); |
54 | | - b.setCharAt(astNode.jjtGetFirstToken().beginColumn-1, '*'); |
| 56 | + b.setCharAt(astNode.jjtGetFirstToken().beginColumn - 1, '*'); |
55 | 57 | } |
56 | 58 | for (OrderByElement item : ps.getOrderByElements()) { |
57 | | - Column c = (Column)item.getExpression(); |
| 59 | + Column c = (Column) item.getExpression(); |
58 | 60 | SimpleNode astNode = c.getASTNode(); |
59 | 61 | assertNotNull(astNode); |
60 | | - b.setCharAt(astNode.jjtGetFirstToken().beginColumn-1, '#'); |
| 62 | + b.setCharAt(astNode.jjtGetFirstToken().beginColumn - 1, '#'); |
61 | 63 | } |
62 | 64 | assertEquals("SELECT *, * FROM mytable order by #, #", b.toString()); |
63 | 65 | } |
64 | | - |
| 66 | + |
65 | 67 | @Test |
66 | 68 | public void testSelectASTNode() throws JSQLParserException { |
67 | 69 | String sql = "SELECT a, b FROM mytable order by b, c"; |
68 | 70 | SimpleNode node = (SimpleNode) CCJSqlParserUtil.parseAST(sql); |
69 | 71 | node.dump("*"); |
70 | 72 | assertEquals(CCJSqlParserTreeConstants.JJTSTATEMENT, node.getId()); |
71 | 73 | } |
| 74 | + |
| 75 | + private Token subSelectStart; |
| 76 | + private Token subSelectEnd; |
| 77 | + |
| 78 | + @Test |
| 79 | + public void testSelectASTNodeSubSelect() throws JSQLParserException { |
| 80 | + String sql = "SELECT * FROM mytable where 0<(select count(*) from mytable2)"; |
| 81 | + SimpleNode node = (SimpleNode) CCJSqlParserUtil.parseAST(sql); |
| 82 | + node.dump("*"); |
| 83 | + assertEquals(CCJSqlParserTreeConstants.JJTSTATEMENT, node.getId()); |
| 84 | + node.jjtAccept(new CCJSqlParserDefaultVisitor() { |
| 85 | + @Override |
| 86 | + public Object visit(SimpleNode node, Object data) { |
| 87 | + if (node.getId() == CCJSqlParserTreeConstants.JJTSUBSELECT) { |
| 88 | + subSelectStart = node.jjtGetFirstToken(); |
| 89 | + subSelectEnd = node.jjtGetLastToken(); |
| 90 | + return super.visit(node, data); |
| 91 | + } else { |
| 92 | + return super.visit(node, data); |
| 93 | + } |
| 94 | + } |
| 95 | + }, null); |
| 96 | + |
| 97 | + assertNotNull(subSelectStart); |
| 98 | + assertNotNull(subSelectEnd); |
| 99 | + assertEquals(34, subSelectStart.beginColumn); |
| 100 | + assertEquals(62, subSelectEnd.endColumn); |
| 101 | + } |
72 | 102 | } |
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