06-16-2011
Delete all rows that contain a specific string (text)
Hi,
I have a text file and I want to delete all rows that contain a particular string of characters. How do I go about doing that? Thanks!
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I do have a text file with 1000's of lines with 1 row and column with a specific pattern.
1102
1
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LEARN ABOUT PHP
pg_copy_from
PG_COPY_FROM(3) PG_COPY_FROM(3)
pg_copy_from - Insert records into a table from an array
SYNOPSIS
bool pg_copy_from (resource $connection, string $table_name, array $rows, [string $delimiter], [string $null_as])
DESCRIPTION
pg_copy_from(3) inserts records into a table from $rows. It issues a COPY FROM SQL command internally to insert records.
PARAMETERS
o $connection
- PostgreSQL database connection resource.
o $table_name
- Name of the table into which to copy the $rows.
o $rows
- An array of data to be copied into $table_name. Each value in $rows becomes a row in $table_name. Each value in $rows should be
a delimited string of the values to insert into each field. Values should be linefeed terminated.
o $delimiter
- The token that separates values for each field in each element of $rows. Default is TAB.
o $null_as
- How SQL NULL values are represented in the $rows. Default is N ("\N").
RETURN VALUES
Returns TRUE on success or FALSE on failure.
EXAMPLES
Example #1
pg_copy_from(3) example
<?php
$db = pg_connect("dbname=publisher") or die("Could not connect");
$rows = pg_copy_to($db, $table_name);
pg_query($db, "DELETE FROM $table_name");
pg_copy_from($db, $table_name, $rows);
?>
SEE ALSO
pg_copy_to(3).
PHP Documentation Group PG_COPY_FROM(3)