Procedural File: _functions_evoupgrade.php
Source Location: /blogs/install/_functions_evoupgrade.php
Page Details
This file implements upgrading of DB tables
b2evolution - http://b2evolution.net/ Released under GNU GPL License - http://b2evolution.net/about/license.html
| Copyright: | (c)2003-2010 by Francois PLANQUE - http://fplanque.net/ |
| Filesource: | Source Code for this file |
Functions
convert_lang_to_locale [line 160]
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Converts languages in a given table into according locales
Parameters:| string | $table: | name of the table |
| string | $columnlang: | name of the column where lang is stored |
| string | $columnID: | name of the table's ID column |
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db_add_col [line 124]
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Add a column, if it does not already exist.
If it exists already, a "ALTER TABLE" statement will get executed instead.
Parameters:| $table: | ||
| $col_name: | ||
| $col_desc: |
API Tags:
| Return: | True if the column has been added, False if not. |
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db_add_index [line 142]
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Add an INDEX. If another index with the same name already exists, it will get dropped before.
Parameters:| $table: | ||
| $name: | ||
| $def: | ||
| $type: |
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db_cols_exist [line 91]
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| string | $table: | Table name |
| array | $col_names: | Column names |
API Tags:
| Return: | Does a list of given column names exist in DB? |
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db_drop_col [line 108]
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Drops a column, if it exists.
Parameters:| $table: | ||
| $col_name: |
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db_index_exists [line 67]
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| $table: | ||
| $index_name: |
API Tags:
| Return: | Does a given index key name exist in DB? |
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set_upgrade_checkpoint [line 30]
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Create a DB version checkpoint
This is useful when the next operation might timeout or fail! The checkpoint will allow to restart the script and continue where it stopped
Parameters:| string | $version: | version of DB at checkpoint |
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