Examples with PGSQLStatementParser com.alibaba.druid.sql.dialect.postgresql.parser.PGSQLStatementParser used on opensource projects

Example 56 with PGSQLStatementParser

use of com.alibaba.druid.sql.dialect.postgresql.parser.PGSQLStatementParser in project druid by alibaba.

the class PGSelectTest1 method test_0.

public void test_0() throws Exception {
    String sql = "SELECT * FROM t1 CROSS JOIN t2;";
    PGSQLStatementParser parser = new PGSQLStatementParser(sql);
    List<SQLStatement> statementList = parser.parseStatementList();
    SQLStatement statemen = statementList.get(0);
    //        print(statementList);
    Assert.assertEquals(1, statementList.size());
    PGSchemaStatVisitor visitor = new PGSchemaStatVisitor();
    statemen.accept(visitor);
    //        System.out.println("Tables : " + visitor.getTables());
    //        System.out.println("fields : " + visitor.getColumns());
    //        System.out.println("coditions : " + visitor.getConditions());
    Assert.assertEquals(0, visitor.getColumns().size());
    Assert.assertEquals(2, visitor.getTables().size());
}

Example 57 with PGSQLStatementParser

use of com.alibaba.druid.sql.dialect.postgresql.parser.PGSQLStatementParser in project druid by alibaba.

the class PGSelectTest1 method test_1.

public void test_1() throws Exception {
    String sql = "(select * from a) union select * from b";
    PGSQLStatementParser parser = new PGSQLStatementParser(sql);
    List<SQLStatement> statementList = parser.parseStatementList();
    SQLStatement statemen = statementList.get(0);
    //         print(statementList);
    Assert.assertEquals(1, statementList.size());
    assertTrue(statemen instanceof PGSelectStatement);
    PGSelectStatement select = (PGSelectStatement) statemen;
    assertTrue(select.getSelect().getQuery() instanceof SQLUnionQuery);
    SQLUnionQuery unionQuery = (SQLUnionQuery) select.getSelect().getQuery();
    assertTrue(unionQuery.getLeft() instanceof SQLSelectQueryBlock);
    assertTrue(unionQuery.getRight() instanceof SQLSelectQueryBlock);
    SQLSelectQueryBlock leftQueryBlock = (SQLSelectQueryBlock) unionQuery.getLeft();
    assertTrue(leftQueryBlock.isParenthesized());
}

Example 58 with PGSQLStatementParser

use of com.alibaba.druid.sql.dialect.postgresql.parser.PGSQLStatementParser in project druid by alibaba.

the class PGSelectTest10 method test_0.

public void test_0() throws Exception {
    String sql = "SELECT nextval('passport_id_seq'::regclass) as id";
    PGSQLStatementParser parser = new PGSQLStatementParser(sql);
    List<SQLStatement> statementList = parser.parseStatementList();
    SQLStatement statemen = statementList.get(0);
    //        print(statementList);
    Assert.assertEquals(1, statementList.size());
    PGSchemaStatVisitor visitor = new PGSchemaStatVisitor();
    statemen.accept(visitor);
    //        System.out.println("Tables : " + visitor.getTables());
    //        System.out.println("fields : " + visitor.getColumns());
    //        System.out.println("coditions : " + visitor.getConditions());
    Assert.assertEquals(0, visitor.getColumns().size());
    Assert.assertEquals(0, visitor.getTables().size());
}

Example 59 with PGSQLStatementParser

use of com.alibaba.druid.sql.dialect.postgresql.parser.PGSQLStatementParser in project druid by alibaba.

the class PGSelectTest35 method test_0.

public void test_0() throws Exception {
    String sql = "select 'thomas' !~ '.*thomas.*'";
    PGSQLStatementParser parser = new PGSQLStatementParser(sql);
    List<SQLStatement> statementList = parser.parseStatementList();
    SQLStatement stmt = statementList.get(0);
    Assert.assertEquals("SELECT 'thomas' !~ '.*thomas.*'", SQLUtils.toPGString(stmt));
    Assert.assertEquals("select 'thomas' !~ '.*thomas.*'", SQLUtils.toPGString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
    Assert.assertEquals(1, statementList.size());
    PGSchemaStatVisitor visitor = new PGSchemaStatVisitor();
    stmt.accept(visitor);
    //        System.out.println("Tables : " + visitor.getTables());
    //        System.out.println("fields : " + visitor.getColumns());
    //        System.out.println("coditions : " + visitor.getConditions());
    Assert.assertEquals(0, visitor.getColumns().size());
    Assert.assertEquals(0, visitor.getTables().size());
}

Example 60 with PGSQLStatementParser

use of com.alibaba.druid.sql.dialect.postgresql.parser.PGSQLStatementParser in project druid by alibaba.

the class PGSelectTest36 method test_0.

public void test_0() throws Exception {
    String sql = "select 'thomas' !~* '.*thomas.*'";
    PGSQLStatementParser parser = new PGSQLStatementParser(sql);
    List<SQLStatement> statementList = parser.parseStatementList();
    SQLStatement stmt = statementList.get(0);
    Assert.assertEquals("SELECT 'thomas' !~* '.*thomas.*'", SQLUtils.toPGString(stmt));
    Assert.assertEquals("select 'thomas' !~* '.*thomas.*'", SQLUtils.toPGString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
    Assert.assertEquals(1, statementList.size());
    PGSchemaStatVisitor visitor = new PGSchemaStatVisitor();
    stmt.accept(visitor);
    //        System.out.println("Tables : " + visitor.getTables());
    //        System.out.println("fields : " + visitor.getColumns());
    //        System.out.println("coditions : " + visitor.getConditions());
    Assert.assertEquals(0, visitor.getColumns().size());
    Assert.assertEquals(0, visitor.getTables().size());
}