09-15-2008
split a single sql file into multiple files
Hi Rubin,
Thanks your solution works!
awk '/CREATE TABLE/{ n++; print > (f="out_" n); close(f)}' RS= alltables
but,i have close to 183 "create table" scripts in my file and the above crashes out with the error:
awk: too many output files 10
record number 11
The second solution GIVES:
awk '/CREATE TABLE/{f=0 ;n++; print >(file="out_" n); close("out_" n-1)} f{ print > file}; /CREATE TABLE/{f=1}' alltables
awk: syntax error near line 1
awk: bailing out near line 1
Please let me know -how can we increase the size from 10 to 200.
Thanks
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LEARN ABOUT REDHAT
select_into
SELECT
INTO(7) SQL Commands SELECT INTO(7)
NAME
SELECT INTO - create a new table from the results of a query
SYNOPSIS
SELECT [ ALL | DISTINCT [ ON ( expression [, ...] ) ] ]
* | expression [ AS output_name ] [, ...]
INTO [ TEMPORARY | TEMP ] [ TABLE ] new_table
[ FROM from_item [, ...] ]
[ WHERE condition ]
[ GROUP BY expression [, ...] ]
[ HAVING condition [, ...] ]
[ { UNION | INTERSECT | EXCEPT } [ ALL ] select ]
[ ORDER BY expression [ ASC | DESC | USING operator ] [, ...] ]
[ LIMIT { count | ALL } ]
[ OFFSET start ]
[ FOR UPDATE [ OF tablename [, ...] ] ]
INPUTS
TEMPORARY
TEMP If specified, the table is created as a temporary table. Refer to CREATE TABLE [create_table(7)] for details.
new_table
The name (optionally schema-qualified) of the table to be created.
All other inputs are described in detail for SELECT [select(7)].
OUTPUTS
Refer to CREATE TABLE [create_table(7)] and SELECT [select(7)] for a summary of possible output messages.
DESCRIPTION
SELECT INTO creates a new table and fills it with data computed by a query. The data is not returned to the client, as it is with a normal
SELECT. The new table's columns have the names and data types associated with the output columns of the SELECT.
Note: CREATE TABLE AS [create_table_as(7)] is functionally equivalent to SELECT INTO. CREATE TABLE AS is the recommended syntax,
since SELECT INTO is not standard. In fact, this form of SELECT INTO is not available in PL/pgSQL or ecpg(1), because they interpret
the INTO clause differently.
COMPATIBILITY
SQL92 uses SELECT ... INTO to represent selecting values into scalar variables of a host program, rather than creating a new table. This
indeed is the usage found in PL/pgSQL and ecpg(1). The PostgreSQL usage of SELECT INTO to represent table creation is historical. It's
best to use CREATE TABLE AS for this purpose in new code. (CREATE TABLE AS isn't standard either, but it's less likely to cause confu-
sion.)
SQL - Language Statements 2002-11-22 SELECT INTO(7)