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

Example 41 with PGSQLStatementParser

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

the class PGUpdateTest0 method test_0.

public void test_0() throws Exception {
    String sql = "update student a set grade = tmp.grade from (values (1, 'A')) as tmp(id, grade) where a.id = tmp.id";
    PGSQLStatementParser parser = new PGSQLStatementParser(sql);
    List<SQLStatement> statementList = parser.parseStatementList();
    SQLStatement stmt = statementList.get(0);
    assertEquals("UPDATE student a\n" + "SET grade = tmp.grade\n" + "FROM (VALUES (1, 'A')) AS tmp (id, grade)\n" + "WHERE a.id = tmp.id", stmt.toString());
    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());
    assertTrue(visitor.getTables().containsKey(new TableStat.Name("student")));
    assertEquals(2, visitor.getColumns().size());
    assertTrue(visitor.containsColumn("student", "id"));
    assertTrue(visitor.containsColumn("student", "grade"));
}

Example 42 with PGSQLStatementParser

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

the class PGAlterTableAddUnique0 method test_0.

public void test_0() throws Exception {
    String sql = "ALTER TABLE products ADD CONSTRAINT some_name UNIQUE (product_no);";
    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());
    Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("products")));
    Assert.assertTrue(visitor.getTables().get(new TableStat.Name("products")).getDropCount() == 0);
    Assert.assertTrue(visitor.getTables().get(new TableStat.Name("products")).getAlterCount() == 1);
    Assert.assertTrue(visitor.getColumns().size() == 1);
    Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("products", "product_no")));
}

Example 43 with PGSQLStatementParser

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

the class PGAlterTableDropColumnTest0 method test_0.

public void test_0() throws Exception {
    String sql = "ALTER TABLE products DROP COLUMN description;";
    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());
    Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("products")));
    Assert.assertTrue(visitor.getTables().get(new TableStat.Name("products")).getDropCount() == 0);
    Assert.assertTrue(visitor.getTables().get(new TableStat.Name("products")).getAlterCount() == 1);
    Assert.assertTrue(visitor.getColumns().size() == 1);
}

Example 44 with PGSQLStatementParser

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

the class PGAlterTableDropConstraint method test_0.

public void test_0() throws Exception {
    String sql = "ALTER TABLE products DROP CONSTRAINT some_name;";
    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());
    Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("products")));
    Assert.assertTrue(visitor.getTables().get(new TableStat.Name("products")).getDropCount() == 0);
    Assert.assertTrue(visitor.getTables().get(new TableStat.Name("products")).getAlterCount() == 1);
    Assert.assertTrue(visitor.getColumns().size() == 0);
}

Example 45 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(2, visitor.getColumns().size());
    Assert.assertEquals(2, visitor.getTables().size());
}