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Full Discussion: Extracting data from tables and storing in a file
Special Forums UNIX Desktop Questions & Answers Extracting data from tables and storing in a file Post 302426219 by ladyAnne on Tuesday 1st of June 2010 06:59:32 AM
Old 06-01-2010
Can this not be done in one script?

I was looking at something like this

Code:
 
def make_csv()
sqlstr = <<-'SQL'
select SITEID, CELLID, "Cell Identity" from
(
select ce.siteid, ct.plancell as "CELLID", ct.allocatedci as "Cell Identity", ct.status
from mtnis.CI_translation ct
left outer join cell ce
on ct.plancell = ce.cellid
)
where status in ('Operational','Ready for service')
SQL
f_out = File.new("/tmp/#{@module}.sql", "w+"); f_out.puts sqlstr; f_out.close
result = `cat /tmp/#{@module}.sql | sqlcsv #{@verbose} \
--headers \
--user="#{TNUSER}" \
--password="#{TNPASS}" \
--dsn="#{TNDSN}" \
--stdin \
2>/dev/null`
#> #{@dsxdir}csv/#{@module}.csv.tmp1`
FileUtils.rm( "/tmp/#{@module}.sql", :force => true )
puts result if @verbose

@arri = result.split("\n")
end

This is something I came across but I don't understand it completely.

My sql statement is very basic

Code:
 
select * from importcell

That results needs to go into a file called results.csv
 

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LEARN ABOUT SUNOS

capture-schema

capture-schema(1m)					    Application Server Utility						capture-schema(1m)

NAME

       capture-schema -  stores the database metadata (schema) in a file for use in mapping and execution

SYNOPSIS

       capture-schema-dburl url-username name- password password-driver a_jdbc_driver [-schemaname name] [-table tablename]* [-out filename]

       Stores  the  database metadata (schema) in a file. You can also use the Sun Java System Studio IDE to capture the database schema. Run cap-
       ture-schema as the same database user that owns the tables, so that the -username and -schemaname options  are  given  the  same  username.
       Additionally, you can grant the database user running the capture-schema command the ANALYZE ANY TABLE privilege.

OPTIONS

       -dburl		       JDBC URL expected by the driver for accessing a database.

       -username	       user name for authenticating access to a database.

       -password	       password for accessing the selected database.

       -driver		       JDBC driver classname in your CLASSPATH.

       -schemaname	       name of the user schema being captured. If not specified, the default will capture metadata for all tables from all
			       the schemas accessible to this user. Specifying this parameter is highly recommended. If more than  one	schema	is
			       accessible to this user, more than one table with the same name may be captured which will cause problems.

       -table		       name of the table; multiple table names can be specified.

       -out		       output target; defaults to stdout. This parameter corresponds to the schema sub-element of the sun-cmp-mapping ele-
			       ment in the sun-cmp-mapping_1_1.dtd file.

EXAMPLES

       Example 1: Using capture-schema

       capture-schema -dburl jdbc:oracle:thin:@sadbuttrue:1521:ora817
       -schemaname cantiflas -username CANTIFLAS -password enigma -driver
       oracle.jdbc.driver.OracleDriver

       asadmin(1M)

Sun Java System Application Server				    March 2004							capture-schema(1m)
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