You are viewing a plain text version of this content. The canonical link for it is here.
Posted to derby-commits@db.apache.org by ma...@apache.org on 2013/05/31 23:13:27 UTC
svn commit: r1488402 -
/db/derby/code/branches/10.1/java/testing/org/apache/derbyTesting/functionTests/tests/jdbcapi/parameterMapping.java
Author: mamta
Date: Fri May 31 21:13:26 2013
New Revision: 1488402
URL: http://svn.apache.org/r1488402
Log:
DERBY-6237(PreparedStatement.execute() fails starting 10.2 when multiple rows are updated and PreparedStatement.setCharacterStream(int, Reader, int) is used)
The test will verify the updated data in the CLOB column
Modified:
db/derby/code/branches/10.1/java/testing/org/apache/derbyTesting/functionTests/tests/jdbcapi/parameterMapping.java
Modified: db/derby/code/branches/10.1/java/testing/org/apache/derbyTesting/functionTests/tests/jdbcapi/parameterMapping.java
URL: http://svn.apache.org/viewvc/db/derby/code/branches/10.1/java/testing/org/apache/derbyTesting/functionTests/tests/jdbcapi/parameterMapping.java?rev=1488402&r1=1488401&r2=1488402&view=diff
==============================================================================
--- db/derby/code/branches/10.1/java/testing/org/apache/derbyTesting/functionTests/tests/jdbcapi/parameterMapping.java (original)
+++ db/derby/code/branches/10.1/java/testing/org/apache/derbyTesting/functionTests/tests/jdbcapi/parameterMapping.java Fri May 31 21:13:26 2013
@@ -28,6 +28,7 @@ import org.apache.derbyTesting.functionT
import java.sql.*;
+import java.util.Arrays;
import java.math.*;
import java.io.*;
@@ -2979,6 +2980,7 @@ public class parameterMapping {
{
CharAlphabet a1 = CharAlphabet.singleChar('a');
+ //Following will update one or 2 rows depending on the 1st param
PreparedStatement ps = conn.prepareStatement(
"UPDATE TestUpdateCharStream SET c3 = ?, " +
"c2 = c2 + 1 WHERE c1 IN (?, ?)");
@@ -3008,13 +3010,64 @@ public class parameterMapping {
//Second value in IN clause is also getting set to 'EEEEE', which
// means prepared statement will update two rows
ps.setObject(3, "EEEEE", Types.VARCHAR);
- }
-
+ }
ps.execute();
+
+ //verify updated data
+ ResultSet rs;
+ ps = conn.prepareStatement(
+ "select c3 from TestUpdateCharStream " +
+ "WHERE c1 IN (?, ?)");
+ ps.setCharacterStream(1, new CharArrayReader("AAAAA".toCharArray()), 5);
+ if (numberOfRowsToUpdate == 1 ) {
+ ps.setObject(2, "AAAAA", Types.VARCHAR);
+ } else {
+ ps.setObject(2, "EEEEE", Types.VARCHAR);
+ }
+ rs = ps.executeQuery();
+ char[] c;
+ if (testVariation == 1){
+ //we are here to test short data
+ c = new char[50];
+ Arrays.fill(c, 'a');
+ } else {
+ //we are here to test large data
+ c = new char[50000];
+ Arrays.fill(c, 'a');
+ }
+ for (int i=0;i<numberOfRowsToUpdate;i++) {
+ rs.next();
+ if (!compareClobReader2CharArray(c,rs.getCharacterStream(1))) {
+ System.out.println("FAIL: data should have matched");
+ rs.close();
+ ps.close();
+ return;
+ }
+ }
+ rs.close();
ps.close();
}
+ private static boolean compareClobReader2CharArray
+ (char[] cArray, Reader charReader) throws Exception {
+ char[] clobChars = new char[cArray.length];
+
+ int readChars = 0;
+ int totalCharsRead = 0;
+
+ do {
+ readChars = charReader.read(clobChars, totalCharsRead, cArray.length - totalCharsRead);
+ if (readChars != -1)
+ totalCharsRead += readChars;
+ } while (readChars != -1 && totalCharsRead < cArray.length);
+ charReader.close();
+ if (!java.util.Arrays.equals(cArray, clobChars))
+ return false;
+
+ return true;
+ }
+
/**
* DERBY-6237(PreparedStatement.execute() fails starting 10.2 when
* multiple rows are updated and