Question

Converting LONG to CLOB

Rating7.8Very Good

I have two tables with data type Long.
Since LONG data type can't be used for search I need to make a conversion  to CLOB.
What I woulld like to do is to have a dynamic sql  where I can specify table names, fields, and output table with fields.

For instance,
using two input tables:
CREATE TABLE table_input_1
(
  table_key_1  NUMBER,
  table_value_1 LONG
)

CREATE TABLE table_input_2
(
  table_key_2  NUMBER,
  table_value_2 LONG
)

I need a procedure or package
create or replace
convert_table_data_p(table_input_1  in varchar2, table_key_1   in varchar2,  table_value_1 in varchar2,
                                table_input_2  in varchar2, table_key_2   in varchar2,  table_value_2 in varchar2,
                                table_output   in varchar2, table_key_ou in varchar2,  table_value_o in varchar2)


This procedure should have dynamic sql that :
1. creates table
CREATE TABLE table_output
(
  table_key_ou  NUMBER,
  table_value_o  CLOB
)

2. inserts and converts data from both input tables into table_output
using cursor
SELECT table_key_1,  table_value_1, table_value_2
from table_input_1, table_input_2
where
table_key_1, = table_key_2(+);

INSERT INTO table_output values (table_key_1,  (table_value_1||table_value_2)



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clob from select
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