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Full Discussion: Adding a column
Top Forums Shell Programming and Scripting Adding a column Post 302962045 by Pratik4891 on Monday 7th of December 2015 02:07:43 PM
Old 12-07-2015
Adding a column

Hello ,

My requirement is to add additional column sequentially to a text file based on the column value -

i/p file

Code:
id1|varchar
id2|varchar
id3|number
id4|number
id5|date
id6|date

---------------------------------------
o/p file

colv1|id1 (if second column value is varchar then first value is colv then sequence)
similarly
colv2|id2
coln1|id3(if second column value is number then first value is coln then sequence)
similarly
coln2|id4
cold1|id5(if second column value is date then first value is cold then sequence)
similarly
cold2|id6


so the o/p will be

Code:
colv1|id1
colv2|id2
coln1|id3
coln2|id4
cold1|id5
cold2|id6

Please suggest , thanks!!

Last edited by Scrutinizer; 12-07-2015 at 04:16 PM.. Reason: CODE TAGS
 

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SQLITE_FETCH_COLUMN_TYPES(3)											      SQLITE_FETCH_COLUMN_TYPES(3)

sqlite_fetch_column_types - Return an array of column types from a particular table

SYNOPSIS
array sqlite_fetch_column_types (string $table_name, resource $dbhandle, [int $result_type = SQLITE_ASSOC]) DESCRIPTION
Object oriented style (method): array SQLiteDatabase::fetchColumnTypes (string $table_name, [int $result_type = SQLITE_ASSOC]) sqlite_fetch_column_types(3) returns an array of column data types from the specified $table_name table. PARAMETERS
o $table_name - The table name to query. o $dbhandle - The SQLite Database resource; returned from sqlite_open(3) when used procedurally. This parameter is not required when using the object-oriented method. o $result_type - The optional $result_type parameter accepts a constant and determines how the returned array will be indexed. Using SQLITE_ASSOC will return only associative indices (named fields) while SQLITE_NUM will return only numerical indices (ordinal field numbers). SQLITE_ASSOC is the default for this function. RETURN VALUES
Returns an array of column data types; FALSE on error. The column names returned by SQLITE_ASSOC and SQLITE_BOTH will be case-folded according to the value of the sqlite.assoc_case configuration option. CHANGELOG
+--------+--------------------+ |Version | | | | | | | Description | | | | +--------+--------------------+ | 5.1.0 | | | | | | | Added $result_type | | | | +--------+--------------------+ EXAMPLES
Example #1 Procedural example <?php $db = sqlite_open('mysqlitedb'); sqlite_query($db, 'CREATE TABLE foo (bar varchar(10), arf text)'); $cols = sqlite_fetch_column_types('foo', $db, SQLITE_ASSOC); foreach ($cols as $column => $type) { echo "Column: $column Type: $type "; } ?> Example #2 Object-oriented example <?php $db = new SQLiteDatabase('mysqlitedb'); $db->query('CREATE TABLE foo (bar varchar(10), arf text)'); $cols = $db->fetchColumnTypes('foo', SQLITE_ASSOC); foreach ($cols as $column => $type) { echo "Column: $column Type: $type "; } ?> The above example will output: Column: bar Type: VARCHAR Column: arf Type: TEXT PHP Documentation Group SQLITE_FETCH_COLUMN_TYPES(3)
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