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Top Forums UNIX for Dummies Questions & Answers Check for null values in a column Post 302303695 by nephros on Friday 3rd of April 2009 09:46:49 AM
Old 04-03-2009
Quote:
Originally Posted by vgersh99
Code:
nawk -F, '{if ($8 == "") print "Line", NR, "REJECTED" }' file

Which does the exact same thing unless I'm missing something.
(I do admit that
Code:
 nawk 'BEGIN { FS="," } {foo}'

would have been better.)

Anyway it's a matter of taste, I prefer to set FS inside the script because it's a bit more flexible wrt more complex separators. But it really does not matter for the CSV above.

EDIT: I stand corrected. Behaviour of my original version is highly dependant on the awk implementation used. I works in /usr/bin/nawk from Solaris 10.
Just checked with The One True awk, and my original version does not work there. vgersh99s version and the BEGIN block variation do.

Last edited by nephros; 04-03-2009 at 11:02 AM..
 

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DB2_COLUMN_PRIVILEGES(3)						 1						  DB2_COLUMN_PRIVILEGES(3)

db2_column_privileges - Returns a result set listing the columns and associated privileges for a table

SYNOPSIS
resource db2_column_privileges (resource $connection, [string $qualifier], [string $schema], [string $table-name], [string $column- name]) DESCRIPTION
Returns a result set listing the columns and associated privileges for a table. PARAMETERS
o $connection - A valid connection to an IBM DB2, Cloudscape, or Apache Derby database. o $qualifier - A qualifier for DB2 databases running on OS/390 or z/OS servers. For other databases, pass NULL or an empty string. o $schema - The schema which contains the tables. To match all schemas, pass NULL or an empty string. o $table-name - The name of the table or view. To match all tables in the database, pass NULL or an empty string. o $column-name - The name of the column. To match all columns in the table, pass NULL or an empty string. RETURN VALUES
Returns a statement resource with a result set containing rows describing the column privileges for columns matching the specified parame- ters. The rows are composed of the following columns: +-------------+---------------------------------------------------+ |Column name | | | | | | | Description | | | | +-------------+---------------------------------------------------+ | TABLE_CAT | | | | | | | Name of the catalog. The value is NULL if this | | | table does not have catalogs. | | | | |TABLE_SCHEM | | | | | | | Name of the schema. | | | | | TABLE_NAME | | | | | | | Name of the table or view. | | | | |COLUMN_NAME | | | | | | | Name of the column. | | | | | GRANTOR | | | | | | | Authorization ID of the user who granted the | | | privilege. | | | | | GRANTEE | | | | | | | Authorization ID of the user to whom the privi- | | | lege was granted. | | | | | PRIVILEGE | | | | | | | The privilege for the column. | | | | |IS_GRANTABLE | | | | | | | Whether the GRANTEE is permitted to grant this | | | privilege to other users. | | | | +-------------+---------------------------------------------------+ SEE ALSO
db2_columns(3), db2_foreign_keys(3), db2_primary_keys(3), db2_procedure_columns(3), db2_procedures(3), db2_special_columns(3), db2_statis- tics(3), db2_table_privileges(3), db2_tables(3). PHP Documentation Group DB2_COLUMN_PRIVILEGES(3)
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