本文整理匯總了Java中java.sql.PreparedStatement.setNString方法的典型用法代碼示例。如果您正苦於以下問題：Java PreparedStatement.setNString方法的具體用法？Java PreparedStatement.setNString怎麽用？Java PreparedStatement.setNString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.PreparedStatement的用法示例。
在下文中一共展示了PreparedStatement.setNString方法的4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: testSetNStringServer
import java.sql.PreparedStatement; //導入方法依賴的package包/類
/**
* Tests for ServerPreparedStatement.setNString()
*
* @throws Exception
*/
public void testSetNStringServer() throws Exception {
createTable("testSetNStringServer", "(c1 NATIONAL CHARACTER(10)) ENGINE=InnoDB");
Properties props1 = new Properties();
props1.put("useServerPrepStmts", "true"); // use server-side prepared statement
props1.put("useUnicode", "true");
props1.put("characterEncoding", "latin1"); // ensure charset isn't utf8 here
Connection conn1 = getConnectionWithProps(props1);
PreparedStatement pstmt1 = conn1.prepareStatement("INSERT INTO testSetNStringServer (c1) VALUES (?)");
try {
pstmt1.setNString(1, "aaa");
fail();
} catch (SQLException e) {
// ok
assertEquals("Can not call setNString() when connection character set isn't UTF-8", e.getMessage());
}
pstmt1.close();
conn1.close();
createTable("testSetNStringServer", "(c1 NATIONAL CHARACTER(10)) ENGINE=InnoDB");
Properties props2 = new Properties();
props2.put("useServerPrepStmts", "true"); // use server-side prepared statement
props2.put("useUnicode", "true");
props2.put("characterEncoding", "UTF-8"); // ensure charset is utf8 here
Connection conn2 = getConnectionWithProps(props2);
PreparedStatement pstmt2 = conn2.prepareStatement("INSERT INTO testSetNStringServer (c1) VALUES (?)");
pstmt2.setNString(1, "\'aaa\'");
pstmt2.execute();
ResultSet rs2 = this.stmt.executeQuery("SELECT c1 FROM testSetNStringServer");
rs2.next();
assertEquals("\'aaa\'", rs2.getString(1));
rs2.close();
pstmt2.close();
conn2.close();
}
示例2: testSetNString
import java.sql.PreparedStatement; //導入方法依賴的package包/類
/**
* Tests for PreparedStatement.setNString()
*
* @throws Exception
*/
public void testSetNString() throws Exception {
// suppose sql_mode don't include "NO_BACKSLASH_ESCAPES"
createTable("testSetNString",
"(c1 NATIONAL CHARACTER(10), c2 NATIONAL CHARACTER(10), c3 NATIONAL CHARACTER(10)) DEFAULT CHARACTER SET cp932 ENGINE=InnoDB");
Properties props1 = new Properties();
props1.put("useServerPrepStmts", "false"); // use client-side prepared statement
props1.put("useUnicode", "true");
props1.put("characterEncoding", "MS932"); // ensure charset isn't utf8 here
Connection conn1 = getConnectionWithProps(props1);
PreparedStatement pstmt1 = conn1.prepareStatement("INSERT INTO testSetNString (c1, c2, c3) VALUES (?, ?, ?)");
pstmt1.setNString(1, null);
pstmt1.setNString(2, "aaa");
pstmt1.setNString(3, "\'aaa\'");
pstmt1.execute();
ResultSet rs1 = this.stmt.executeQuery("SELECT c1, c2, c3 FROM testSetNString");
rs1.next();
assertEquals(null, rs1.getString(1));
assertEquals("aaa", rs1.getString(2));
assertEquals("\'aaa\'", rs1.getString(3));
rs1.close();
pstmt1.close();
conn1.close();
createTable("testSetNString",
"(c1 NATIONAL CHARACTER(10), c2 NATIONAL CHARACTER(10), c3 NATIONAL CHARACTER(10)) DEFAULT CHARACTER SET cp932 ENGINE=InnoDB");
Properties props2 = new Properties();
props2.put("useServerPrepStmts", "false"); // use client-side prepared statement
props2.put("useUnicode", "true");
props2.put("characterEncoding", "UTF-8"); // ensure charset is utf8 here
Connection conn2 = getConnectionWithProps(props2);
PreparedStatement pstmt2 = conn2.prepareStatement("INSERT INTO testSetNString (c1, c2, c3) VALUES (?, ?, ?)");
pstmt2.setNString(1, null);
pstmt2.setNString(2, "aaa");
pstmt2.setNString(3, "\'aaa\'");
pstmt2.execute();
ResultSet rs2 = this.stmt.executeQuery("SELECT c1, c2, c3 FROM testSetNString");
rs2.next();
assertEquals(null, rs2.getString(1));
assertEquals("aaa", rs2.getString(2));
assertEquals("\'aaa\'", rs2.getString(3));
rs2.close();
pstmt2.close();
conn2.close();
}
示例3: getBinder
import java.sql.PreparedStatement; //導入方法依賴的package包/類
@Override
public <X> ValueBinder<X> getBinder(final JavaTypeDescriptor<X> javaTypeDescriptor) {
return new BasicBinder<X>( javaTypeDescriptor, this ) {
@Override
protected void doBind(PreparedStatement st, X value, int index, WrapperOptions options) throws SQLException {
st.setNString( index, javaTypeDescriptor.unwrap( value, String.class, options ) );
}
};
}
示例4: testUpdateNString
import java.sql.PreparedStatement; //導入方法依賴的package包/類
/**
* Tests for ResultSet.updateNString()
*
* @throws Exception
*/
public void testUpdateNString() throws Exception {
createTable("testUpdateNString", "(c1 CHAR(10) PRIMARY KEY, c2 NATIONAL CHARACTER(10)) default character set sjis");
Properties props1 = new Properties();
props1.put("useServerPrepStmts", "true"); // use server-side prepared statement
props1.put("characterEncoding", "UTF-8"); // ensure charset is utf8 here
Connection conn1 = getConnectionWithProps(props1);
PreparedStatement pstmt1 = conn1.prepareStatement("INSERT INTO testUpdateNString (c1, c2) VALUES (?, ?)");
pstmt1.setString(1, "1");
pstmt1.setNString(2, "aaa");
pstmt1.execute();
Statement stmt1 = conn1.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_UPDATABLE);
ResultSet rs1 = stmt1.executeQuery("SELECT c1, c2 FROM testUpdateNString");
rs1.next();
rs1.updateNString("c2", "bbb");
rs1.updateRow();
rs1.moveToInsertRow();
rs1.updateString("c1", "2");
rs1.updateNString("c2", "ccc");
rs1.insertRow();
ResultSet rs2 = stmt1.executeQuery("SELECT c1, c2 FROM testUpdateNString");
rs2.next();
assertEquals("1", rs2.getString("c1"));
assertEquals("bbb", rs2.getNString("c2"));
rs2.next();
assertEquals("2", rs2.getString("c1"));
assertEquals("ccc", rs2.getNString("c2"));
pstmt1.close();
stmt1.close();
conn1.close();
createTable("testUpdateNString", "(c1 CHAR(10) PRIMARY KEY, c2 CHAR(10)) default character set sjis"); // sjis field
Properties props2 = new Properties();
props2.put("useServerPrepStmts", "true"); // use server-side prepared statement
props2.put("characterEncoding", "SJIS"); // ensure charset isn't utf8 here
Connection conn2 = getConnectionWithProps(props2);
PreparedStatement pstmt2 = conn2.prepareStatement("INSERT INTO testUpdateNString (c1, c2) VALUES (?, ?)");
pstmt2.setString(1, "1");
pstmt2.setString(2, "aaa");
pstmt2.execute();
Statement stmt2 = conn2.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_UPDATABLE);
ResultSet rs3 = stmt2.executeQuery("SELECT c1, c2 FROM testUpdateNString");
rs3.next();
try {
rs3.updateNString("c2", "bbb"); // field's charset isn't utf8
fail();
} catch (SQLException ex) {
assertEquals("Can not call updateNString() when field's character set isn't UTF-8", ex.getMessage());
}
rs3.close();
pstmt2.close();
stmt2.close();
conn2.close();
}