本文整理匯總了Java中java.sql.DatabaseMetaData.getCrossReference方法的典型用法代碼示例。如果您正苦於以下問題：Java DatabaseMetaData.getCrossReference方法的具體用法？Java DatabaseMetaData.getCrossReference怎麽用？Java DatabaseMetaData.getCrossReference使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類java.sql.DatabaseMetaData的用法示例。
在下文中一共展示了DatabaseMetaData.getCrossReference方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: testGetCrossReference
import java.sql.DatabaseMetaData; //導入方法依賴的package包/類
@Test public void testGetCrossReference() throws SQLException {
DatabaseMetaData metadata = getDatabaseMetadata();
try (ResultSet rs = metadata.getCrossReference(null, null, null, null, null, null)) {
ResultSetMetaData rsMeta = rs.getMetaData();
assertEquals(14, rsMeta.getColumnCount());
assertColumn(rsMeta, 1, "PKTABLE_CAT", Types.VARCHAR, DatabaseMetaData.columnNullable);
assertColumn(rsMeta, 2, "PKTABLE_SCHEM", Types.VARCHAR, DatabaseMetaData.columnNullable);
assertColumn(rsMeta, 3, "PKTABLE_NAME", Types.VARCHAR, DatabaseMetaData.columnNoNulls);
assertColumn(rsMeta, 4, "PKCOLUMN_NAME", Types.VARCHAR, DatabaseMetaData.columnNoNulls);
assertColumn(rsMeta, 5, "FKTABLE_CAT", Types.VARCHAR, DatabaseMetaData.columnNullable);
assertColumn(rsMeta, 6, "FKTABLE_SCHEM", Types.VARCHAR, DatabaseMetaData.columnNullable);
assertColumn(rsMeta, 7, "FKTABLE_NAME", Types.VARCHAR, DatabaseMetaData.columnNoNulls);
assertColumn(rsMeta, 8, "FKCOLUMN_NAME", Types.VARCHAR, DatabaseMetaData.columnNoNulls);
assertColumn(rsMeta, 9, "KEY_SEQ", Types.SMALLINT, DatabaseMetaData.columnNoNulls);
assertColumn(rsMeta, 10, "UPDATE_RULE", Types.SMALLINT, DatabaseMetaData.columnNoNulls);
assertColumn(rsMeta, 11, "DELETE_RULE", Types.SMALLINT, DatabaseMetaData.columnNoNulls);
assertColumn(rsMeta, 12, "FK_NAME", Types.VARCHAR, DatabaseMetaData.columnNullable);
assertColumn(rsMeta, 13, "PK_NAME", Types.VARCHAR, DatabaseMetaData.columnNullable);
assertColumn(rsMeta, 14, "DEFERABILITY", Types.SMALLINT, DatabaseMetaData.columnNoNulls);
}
}
示例2: testTwo
import java.sql.DatabaseMetaData; //導入方法依賴的package包/類
/**
* Basic test of DatabaseMetaData functions that access system tables
*/
public void testTwo() throws Exception {
Connection conn = newConnection();
int updateCount;
try {
TestUtil.testScript(conn, "testrun/hsqldb/TestSelf.txt");
DatabaseMetaData dbmeta = conn.getMetaData();
dbmeta.allProceduresAreCallable();
dbmeta.getBestRowIdentifier(null, null, "T_1",
DatabaseMetaData.bestRowTransaction,
true);
dbmeta.getCatalogs();
dbmeta.getColumnPrivileges(null, "PUBLIC", "T_1", "%");
dbmeta.getColumns("PUBLIC", "PUBLIC", "T_1", "%");
dbmeta.getCrossReference(null, null, "T_1", null, null, "T_1");
dbmeta.getExportedKeys(null, null, "T_1");
dbmeta.getFunctionColumns(null, "%", "%", "%");
dbmeta.getFunctions(null, "%", "%");
dbmeta.getImportedKeys("PUBLIC", "PUBLIC", "T_1");
dbmeta.getIndexInfo("PUBLIC", "PUBLIC", "T1", true, true);
dbmeta.getPrimaryKeys("PUBLIC", "PUBLIC", "T_1");
dbmeta.getProcedureColumns(null, null, "%", "%");
dbmeta.getProcedures("PUBLIC", "%", "%");
dbmeta.getSchemas(null, "#");
dbmeta.getTablePrivileges(null, "%", "%");
dbmeta.getUDTs(null, "%", "%", new int[]{ Types.DISTINCT });
} catch (Exception e) {
assertTrue("unable to prepare or execute DDL", false);
} finally {
conn.close();
}
}
示例3: testGetCrossReferenceUsingInfoSchema
import java.sql.DatabaseMetaData; //導入方法依賴的package包/類
/**
* Tests the implementation of Information Schema for foreign key.
*/
public void testGetCrossReferenceUsingInfoSchema() throws Exception {
if (versionMeetsMinimum(5, 0, 7)) {
this.stmt.executeUpdate("DROP TABLE IF EXISTS child");
this.stmt.executeUpdate("DROP TABLE If EXISTS parent");
this.stmt.executeUpdate("CREATE TABLE parent(id INT NOT NULL, PRIMARY KEY (id)) ENGINE=INNODB");
this.stmt.executeUpdate(
"CREATE TABLE child(id INT, parent_id INT, " + "FOREIGN KEY (parent_id) REFERENCES parent(id) ON DELETE SET NULL) ENGINE=INNODB");
Properties props = new Properties();
props.put("useInformationSchema", "true");
Connection conn1 = null;
try {
conn1 = getConnectionWithProps(props);
DatabaseMetaData metaData = conn1.getMetaData();
this.rs = metaData.getCrossReference(null, null, "parent", null, null, "child");
this.rs.next();
assertEquals("parent", this.rs.getString("PKTABLE_NAME"));
assertEquals("id", this.rs.getString("PKCOLUMN_NAME"));
assertEquals("child", this.rs.getString("FKTABLE_NAME"));
assertEquals("parent_id", this.rs.getString("FKCOLUMN_NAME"));
} finally {
this.stmt.executeUpdate("DROP TABLE IF EXISTS child");
this.stmt.executeUpdate("DROP TABLE If EXISTS parent");
if (conn1 != null) {
conn1.close();
}
}
}
}