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Example 1 with OracleLexer

use of com.alibaba.druid.sql.dialect.oracle.parser.OracleLexer in project druid by alibaba.

the class OracleCompatibleTest method test_compatibleTest.

public void test_compatibleTest() throws Exception {
    // oracle ppas
    String sql = "select * from t where rownum < 10";
    OracleLexer lexer = new OracleLexer(sql);
    for (; ; ) {
        lexer.nextToken();
        Token token = lexer.token();
        if (token == Token.EOF) {
            break;
        }
        if (token == Token.IDENTIFIER) {
            System.out.println(lexer.stringVal());
        } else if (token == Token.LITERAL_CHARS || token == Token.LITERAL_INT || token == Token.LITERAL_ALIAS) {
        // skip
        }
        System.out.println(token);
    }
}
Also used : Token(com.alibaba.druid.sql.parser.Token) OracleLexer(com.alibaba.druid.sql.dialect.oracle.parser.OracleLexer)

Example 2 with OracleLexer

use of com.alibaba.druid.sql.dialect.oracle.parser.OracleLexer in project druid by alibaba.

the class OracleLexerTest method test_hint.

public void test_hint() throws Exception {
    String sql = "SELECT /*+FIRST_ROWS*/ * FROM T WHERE F1 = ? ORDER BY F2";
    OracleLexer lexer = new OracleLexer(sql);
    for (; ; ) {
        lexer.nextToken();
        Token tok = lexer.token();
        switch(tok) {
            case IDENTIFIER:
                System.out.println(tok.name() + "\t\t" + lexer.stringVal());
                break;
            case HINT:
                System.out.println(tok.name() + "\t\t\t" + lexer.stringVal());
                break;
            default:
                System.out.println(tok.name() + "\t\t\t" + tok.name);
                break;
        }
        if (tok == Token.EOF) {
            break;
        }
    }
}
Also used : Token(com.alibaba.druid.sql.parser.Token) OracleLexer(com.alibaba.druid.sql.dialect.oracle.parser.OracleLexer)

Example 3 with OracleLexer

use of com.alibaba.druid.sql.dialect.oracle.parser.OracleLexer in project druid by alibaba.

the class OracleSelectTest86_comment method test_0.

public void test_0() throws Exception {
    // 
    String sql = // 
    "/*sqlId=9f0szhacj63ag*/SELECT /*+rule*/ SYS_XMLGEN(VALUE(KU$), XMLFORMAT.createFormat2('TABLE_T', '7')), KU$.OBJ_NUM FROM SYS.KU$_HTABLE_VIEW KU$ WHERE NOT (BITAND (KU$.PROPERTY,8192)=8192) AND  NOT BITAND(KU$.SCHEMA_OBJ.FLAGS,128)!=0 AND  KU$.SCHEMA_OBJ.NAME=:NAME1 AND  KU$.SCHEMA_OBJ.OWNER_NAME=:SCHEMA2";
    System.out.println(sql);
    OracleLexer lexer = new OracleLexer(sql);
    lexer.config(SQLParserFeature.SkipComments, false);
    lexer.nextToken();
    String comment = lexer.stringVal();
    assertEquals("/*sqlId=9f0szhacj63ag*/", comment);
    OracleStatementParser parser = new OracleStatementParser(sql, SQLParserFeature.KeepComments);
    List<SQLStatement> statementList = parser.parseStatementList();
    SQLStatement stmt = statementList.get(0);
    print(statementList);
    Assert.assertEquals(1, statementList.size());
    OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
    stmt.accept(visitor);
    {
        String text = SQLUtils.toOracleString(stmt);
        assertEquals("/*sqlId=9f0szhacj63ag*/\n" + "SELECT /*+rule*/ SYS_XMLGEN(VALUE(KU$), XMLFORMAT.createFormat2('TABLE_T', '7'))\n" + "\t, KU$.OBJ_NUM\n" + "FROM SYS.KU$_HTABLE_VIEW KU$\n" + "WHERE (NOT BITAND(KU$.PROPERTY, 8192) = 8192)\n" + "\tAND (NOT BITAND(KU$.SCHEMA_OBJ.FLAGS, 128) != 0)\n" + "\tAND KU$.SCHEMA_OBJ.NAME = :NAME1\n" + "\tAND KU$.SCHEMA_OBJ.OWNER_NAME = :SCHEMA2", text);
    }
    System.out.println("Tables : " + visitor.getTables());
    System.out.println("fields : " + visitor.getColumns());
    System.out.println("coditions : " + visitor.getConditions());
    System.out.println("relationships : " + visitor.getRelationships());
    System.out.println("orderBy : " + visitor.getOrderByColumns());
    assertEquals(1, visitor.getTables().size());
    assertEquals(8, visitor.getColumns().size());
    assertEquals(2, visitor.getConditions().size());
    assertEquals(0, visitor.getRelationships().size());
    assertEquals(0, visitor.getOrderByColumns().size());
// Assert.assertTrue(visitor.containsTable("sup_registration"));
// Assert.assertTrue(visitor.containsTable("sup_task"));
// Assert.assertTrue(visitor.containsTable("sys_org"));
// 
// Assert.assertTrue(visitor.containsColumn("sup_task", "orgid"));
// Assert.assertTrue(visitor.containsColumn("sup_task", "orgid"));
// 
}
Also used : OracleSchemaStatVisitor(com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor) OracleLexer(com.alibaba.druid.sql.dialect.oracle.parser.OracleLexer) SQLStatement(com.alibaba.druid.sql.ast.SQLStatement) OracleStatementParser(com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser)

Aggregations

OracleLexer (com.alibaba.druid.sql.dialect.oracle.parser.OracleLexer)3 Token (com.alibaba.druid.sql.parser.Token)2 SQLStatement (com.alibaba.druid.sql.ast.SQLStatement)1 OracleStatementParser (com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser)1 OracleSchemaStatVisitor (com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor)1