Package com.alibaba.druid.sql.ast.expr

Examples of com.alibaba.druid.sql.ast.expr.SQLAggregateExpr

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        return false;
    }

    protected SQLAggregateExpr parseAggregateExpr(String method_name) throws ParserException {
        SQLAggregateExpr aggregateExpr;
        if (lexer.token() == Token.ALL) {
            aggregateExpr = new SQLAggregateExpr(method_name, 1);
            lexer.nextToken();
        } else if (lexer.token() == Token.DISTINCT) {
            aggregateExpr = new SQLAggregateExpr(method_name, 0);
            lexer.nextToken();
        } else {
            aggregateExpr = new SQLAggregateExpr(method_name, 1);
        }

        exprList(aggregateExpr.getArguments());

        accept(Token.RPAREN);

        return aggregateExpr;
    }
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                    SQLIdentifierExpr identExpr = (SQLIdentifierExpr) expr;
                    String method_name = identExpr.getName();
                    lexer.nextToken();

                    if (isAggreateFunction(method_name)) {
                        SQLAggregateExpr aggregateExpr = parseAggregateExpr(method_name);

                        return aggregateExpr;
                    }

                    SQLMethodInvokeExpr methodInvokeExpr = new SQLMethodInvokeExpr(method_name);
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        return false;
    }

    protected SQLAggregateExpr parseAggregateExpr(String method_name) throws ParserException {
        SQLAggregateExpr aggregateExpr;
        if (lexer.token() == Token.ALL) {
            aggregateExpr = new SQLAggregateExpr(method_name, 1);
            lexer.nextToken();
        } else if (lexer.token() == Token.DISTINCT) {
            aggregateExpr = new SQLAggregateExpr(method_name, 0);
            lexer.nextToken();
        } else {
            aggregateExpr = new SQLAggregateExpr(method_name, 1);
        }
        exprList(aggregateExpr.getArguments());

        accept(Token.RPAREN);

        return aggregateExpr;
    }
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        return new SQLSelectQueryBlock();
    }

    private static SQLSelectItem createCountItem(String dbType) {
        SQLAggregateExpr countExpr;

        if (JdbcConstants.ORACLE.equals(dbType)) {
            countExpr = new OracleAggregateExpr("COUNT");
        } else {
            countExpr = new SQLAggregateExpr("COUNT");
        }
        countExpr.getArguments().add(new SQLAllColumnExpr());

        SQLSelectItem countItem = new SQLSelectItem(countExpr);
        return countItem;
    }
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                methodName = expr.toString();
                methodInvokeExpr = new SQLMethodInvokeExpr(methodName);
            }

            if (isAggreateFunction(methodName)) {
                SQLAggregateExpr aggregateExpr = parseAggregateExpr(methodName);

                return aggregateExpr;
            }

            if (lexer.token() != Token.RPAREN) {
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    }

    protected SQLAggregateExpr parseAggregateExpr(String methodName) {
        methodName = methodName.toUpperCase();

        SQLAggregateExpr aggregateExpr;
        if (lexer.token() == Token.ALL) {
            aggregateExpr = new SQLAggregateExpr(methodName, SQLAggregateExpr.Option.ALL);
            lexer.nextToken();
        } else if (lexer.token() == Token.DISTINCT) {
            aggregateExpr = new SQLAggregateExpr(methodName, SQLAggregateExpr.Option.DISTINCT);
            lexer.nextToken();
        } else {
            aggregateExpr = new SQLAggregateExpr(methodName);
        }

        exprList(aggregateExpr.getArguments());

        accept(Token.RPAREN);
       
        if (lexer.token() == Token.OVER) {
            lexer.nextToken();
            SQLOver over = new SQLOver();
            accept(Token.LPAREN);
           
            if (identifierEquals("PARTITION")) {
                lexer.nextToken();
                accept(Token.BY);

                if (lexer.token() == (Token.LPAREN)) {
                    lexer.nextToken();
                    exprList(over.getPartitionBy());
                    accept(Token.RPAREN);
                } else {
                    exprList(over.getPartitionBy());
                }
            }


            over.setOrderBy(parseOrderBy());
           
            // if (over.getOrderBy() != null) {
            // //TODO window
            // }
           
            accept(Token.RPAREN);
            aggregateExpr.setOver(over);

        }

        return aggregateExpr;
    }
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                methodName = expr.toString();
                methodInvokeExpr = new SQLMethodInvokeExpr(methodName);
            }

            if (isAggreateFunction(methodName)) {
                SQLAggregateExpr aggregateExpr = parseAggregateExpr(methodName);

                return aggregateExpr;
            }

            if (lexer.token() != Token.RPAREN) {
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    }

    protected SQLAggregateExpr parseAggregateExpr(String methodName) {
        methodName = methodName.toUpperCase();

        SQLAggregateExpr aggregateExpr;
        if (lexer.token() == Token.ALL) {
            aggregateExpr = new SQLAggregateExpr(methodName, SQLAggregateExpr.Option.ALL);
            lexer.nextToken();
        } else if (lexer.token() == Token.DISTINCT) {
            aggregateExpr = new SQLAggregateExpr(methodName, SQLAggregateExpr.Option.DISTINCT);
            lexer.nextToken();
        } else {
            aggregateExpr = new SQLAggregateExpr(methodName);
        }

        exprList(aggregateExpr.getArguments(), aggregateExpr);

        parseAggregateExprRest(aggregateExpr);

        accept(Token.RPAREN);

        if (lexer.token() == Token.OVER) {
            lexer.nextToken();
            SQLOver over = new SQLOver();
            accept(Token.LPAREN);

            if (lexer.token() == Token.PARTITION || identifierEquals("PARTITION")) {
                lexer.nextToken();
                accept(Token.BY);

                if (lexer.token() == (Token.LPAREN)) {
                    lexer.nextToken();
                    exprList(over.getPartitionBy(), over);
                    accept(Token.RPAREN);
                } else {
                    exprList(over.getPartitionBy(), over);
                }
            }

            over.setOrderBy(parseOrderBy());

            accept(Token.RPAREN);
            aggregateExpr.setOver(over);

        }

        return aggregateExpr;
    }
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public class EqualTest_aggreate_over extends TestCase {

    public void test_exits() throws Exception {
        String sql = "count(*) OVER (ORDER BY f1)";
        String sql_c = "count(id) OVER (ORDER BY f2)";
        SQLAggregateExpr exprA, exprB, exprC;
        {
            SQLExprParser parser = new SQLExprParser(sql);
            exprA = (SQLAggregateExpr) parser.expr();
        }
        {
            SQLExprParser parser = new SQLExprParser(sql);
            exprB = (SQLAggregateExpr) parser.expr();
        }
        {
            SQLExprParser parser = new SQLExprParser(sql_c);
            exprC = (SQLAggregateExpr) parser.expr();
        }
        Assert.assertEquals(exprA, exprB);
        Assert.assertNotEquals(exprA, exprC);
        Assert.assertTrue(exprA.equals(exprA));
        Assert.assertFalse(exprA.equals(new Object()));
        Assert.assertEquals(exprA.hashCode(), exprB.hashCode());
       
        Assert.assertEquals(new SQLAggregateExpr(null), new SQLAggregateExpr(null));
        Assert.assertEquals(new SQLAggregateExpr(null).hashCode(), new SQLAggregateExpr(null).hashCode());
    }
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public class EqualTest_aggreate extends TestCase {

    public void test_exits() throws Exception {
        String sql = "count(*)";
        String sql_c = "count(id)";
        SQLAggregateExpr exprA, exprB, exprC;
        {
            OracleExprParser parser = new OracleExprParser(sql);
            exprA = (SQLAggregateExpr) parser.expr();
        }
        {
            OracleExprParser parser = new OracleExprParser(sql);
            exprB = (SQLAggregateExpr) parser.expr();
        }
        {
            OracleExprParser parser = new OracleExprParser(sql_c);
            exprC = (SQLAggregateExpr) parser.expr();
        }
        Assert.assertEquals(exprA, exprB);
        Assert.assertNotEquals(exprA, exprC);
        Assert.assertTrue(exprA.equals(exprA));
        Assert.assertFalse(exprA.equals(new Object()));
        Assert.assertEquals(exprA.hashCode(), exprB.hashCode());
       
        Assert.assertEquals(new SQLAggregateExpr(null), new SQLAggregateExpr(null));
        Assert.assertEquals(new SQLAggregateExpr(null).hashCode(), new SQLAggregateExpr(null).hashCode());
    }
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Related Classes of com.alibaba.druid.sql.ast.expr.SQLAggregateExpr

  • com.alibaba.druid.bvt.sql.EqualTest_aggreate
  • com.alibaba.druid.bvt.sql.EqualTest_aggreate_over
  • com.alibaba.druid.sql.dialect.oracle.parser.OracleExprParser
  • com.alibaba.druid.sql.PagerUtils
  • com.alibaba.druid.sql.parser.SQLExprParser
  • com.alibaba.wasp.plan.parser.druid.DruidDQLParser
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