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19 | 19 | package net.sf.jsqlparser.test.select;
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20 | 20 |
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21 | 21 | import net.sf.jsqlparser.JSQLParserException;
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| 22 | +import net.sf.jsqlparser.parser.CCJSqlParserDefaultVisitor; |
22 | 23 | import net.sf.jsqlparser.parser.CCJSqlParserTreeConstants;
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23 | 24 | import net.sf.jsqlparser.parser.CCJSqlParserUtil;
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24 | 25 | import net.sf.jsqlparser.parser.SimpleNode;
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| 26 | +import net.sf.jsqlparser.parser.Token; |
25 | 27 | import net.sf.jsqlparser.schema.Column;
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26 | 28 | import net.sf.jsqlparser.statement.Statement;
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27 | 29 | import net.sf.jsqlparser.statement.select.OrderByElement;
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38 | 40 | * @author toben
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39 | 41 | */
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40 | 42 | public class SelectASTTest {
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41 |
| - |
| 43 | + |
42 | 44 | @Test
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43 | 45 | public void testSelectASTColumn() throws JSQLParserException {
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44 | 46 | String sql = "SELECT a, b FROM mytable order by b, c";
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45 | 47 | StringBuilder b = new StringBuilder(sql);
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46 | 48 | Statement stmt = CCJSqlParserUtil.parse(sql);
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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()) {
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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();
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53 | 55 | assertNotNull(astNode);
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54 |
| - b.setCharAt(astNode.jjtGetFirstToken().beginColumn-1, '*'); |
| 56 | + b.setCharAt(astNode.jjtGetFirstToken().beginColumn - 1, '*'); |
55 | 57 | }
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56 | 58 | for (OrderByElement item : ps.getOrderByElements()) {
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57 |
| - Column c = (Column)item.getExpression(); |
| 59 | + Column c = (Column) item.getExpression(); |
58 | 60 | SimpleNode astNode = c.getASTNode();
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59 | 61 | assertNotNull(astNode);
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60 |
| - b.setCharAt(astNode.jjtGetFirstToken().beginColumn-1, '#'); |
| 62 | + b.setCharAt(astNode.jjtGetFirstToken().beginColumn - 1, '#'); |
61 | 63 | }
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62 | 64 | assertEquals("SELECT *, * FROM mytable order by #, #", b.toString());
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63 | 65 | }
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64 |
| - |
| 66 | + |
65 | 67 | @Test
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66 | 68 | public void testSelectASTNode() throws JSQLParserException {
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67 | 69 | String sql = "SELECT a, b FROM mytable order by b, c";
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68 | 70 | SimpleNode node = (SimpleNode) CCJSqlParserUtil.parseAST(sql);
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69 | 71 | node.dump("*");
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70 | 72 | assertEquals(CCJSqlParserTreeConstants.JJTSTATEMENT, node.getId());
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71 | 73 | }
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| 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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