Data modification code not working please suggest something good?

Question

Hi all,
I have a sql file where for all "CONSTRAINT anyname NOT NULL,"
occurences
i have to append "NOT NULL, -- " before "CONSTRAINT Adept_Usr_Login
NOT NULL, " in order to modify that.
I have written this code which is not giving required result.
Please provide me some better solution if some can.
The sql file contents are:
CREATE TABLE Adept_User(
Id NUMBER(10, 0) NOT NULL,
Login_Name VARCHAR2(30)
CONSTRAINT Adept_Usr_Login NOT NULL,
First_Name VARCHAR2(35)
CONSTRAINT Adept_Usr_First_name NOT NULL,
Last_Name VARCHAR2(35),
User_Password VARCHAR2(10)
CONSTRAINT Adept_Usr_Last_name NOT NULL,
User_Status NUMBER(10, 0)
CONSTRAINT Adept_Usr_Status NOT NULL,
User_Type NUMBER(10, 0)
CONSTRAINT Adept_Usr_Type NOT NULL,
Customer_Contact NUMBER(10, 0),
Employee NUMBER(10, 0),
Organization Number(10,0),
Password_Modified_Date DATE,
Currency_Master_Id NUMBER(10, 0),
CONSTRAINT PK23 PRIMARY KEY (Id)
CREATE TABLE Adept_User_Group(
Id NUMBER(10, 0) NOT NULL,
Adept_Group NUMBER(10, 0)
CONSTRAINT Adept_Usr_Grp NOT NULL,
Adept_User_Name NUMBER(10, 0)
CONSTRAINT Adept_Usr_name NOT NULL,
CONSTRAINT PK157 PRIMARY KEY (Id)
CREATE TABLE Adept_User_Permission(
Id NUMBER(10, 0) NOT NULL,
Adept_Screens NUMBER(10, 0)
CONSTRAINT Adept_Usr_Perm_Scren NOT NULL,
Adept_User_Group NUMBER(10, 0)
CONSTRAINT Adept_Usr_Grp NOT NULL,
Dashboard char(1),
CONSTRAINT PK28 PRIMARY KEY (Id)
The code written is:
import java.io.*;
class MySample1
public static void main(String[] args) throws Exception
String file="C:/Documents and
Settings/vijendras/Desktop/sampleApplicationchngd.sql";
FileReader inputstream = new FileReader(file);
BufferedReader rdr = new BufferedReader( inputstream );
// the StringBuilder which stores the processed lines
StringBuffer dataLines = new StringBuffer();
// read the file line by line
String dataLine;
while( ( dataLine = rdr.readLine() ) != null ) {
// split the input data into words upto first 3 words only
String[] tokens = dataLine.trim().split( " ",3 );
if( tokens[ 0 ].trim().equalsIgnoreCase( "CONSTRAINT") && tokens[ 2
].trim().equalsIgnoreCase( "NOT") &&
tokens[ 3 ].trim().equalsIgnoreCase( "NULL," ) )
dataLines.append( "NOT" ).append(" NULL").append(",").append(" -- ");
System.out.println(dataLines.toString());
else{
dataLines.append(dataLine).append( '\n' );
rdr.close(); // close the file
// open the file for writing new data to it
BufferedWriter writer = new BufferedWriter(new
FileWriter(file));
//System.out.println(dataLines.toString());
// write the new StringBuilder's data back to the file.
writer.write( dataLines.toString(), 0, dataLines.length()
writer.close(); // close the filev
Thanks
Vijendra

Answer 1

Hi Alok ,
i got ur query ,,
loop at main_table.
DELETE from zvdelivery1
WHERE MATNR = MAIN_TABLE-MATNR AND
BOX_NO = main_table-box_no.
ENDLOOP.
instead of this
get the main_table contents into itab where
as u say the matnr can be v*-.1234aofdmcpilo
so ur itab will be like this
matnr              |  box no |  date   
v*-.1234aofdmcpilo |  20     | 10122006
K#$%^&*ASDIFNIFDID |  30     | 11232006
$@%&&*43943434DFDDD|  40     | 12232006  
so get the whole contents into ur itab.
now  use only this
DELETE ZDELIVERY1 FROM TABLE MAIN_TABLE .
if  sy-subrc eq 0 .
write:/ records deleted.
endif.
NOTE.
DONT PUT THIS(DELETE STATEMENT ) IN A LOOP .
Regards,
Vijay.