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RE: InstantDB: About prepared statements


>i use prepared statements extensively with instantdb. i'd want to see more
>of the code with the actual declaration of prepared statement.
>
>they will work.


Hi, so, here they are,

Real thanks for checking that.
Currently making it into an app for my tests (this a method found in the current servlet).

Paul

	public void performInsert(String tableName,
			String[0 colNames, String[] colContents)
		{
		StringBuffer buff = new StringBuffer();
		buff.append("INSERT INTO ");
		buff.append(tableName);
		buff.append(" (");
		// prepare a prepared statement
		int numCol = 0;
		for( int i=0; i<colNames.length; i++) {
			if (i > 0 ) buff.append(",");
			buff.append(colNames[i]);
			}
		buff.append(") VALUES (");
		for(int i=0; i< colContents.length; i++) {
			if ( i>0) buff.append(",?");
				else buff.append("?)");
			}
		System.out.println("Executing prepared statement : " + buff.toString());

		// send commands
		try {
			java.sql.PreparedStatement stmt =	
				connection.prepareStatement(buff.toString());
			int i=0;
			for(int i=0; i< colContents.length; i++) {
				stmt.setString(colContents.toString());
				}		
			stmt.execute();
			stmt.close();
		}
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