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Rework SHOW COLUMNS/INDEX/TABLE support

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Wordpress 4 makes use of SHOW COLUMNS and SHOW TABLES in addition to
SHOW INDEX, both with and without the FULL modifier.  Implement support
for these statements using queries against INFORMATION_SCHEMA.

Some of these queries use lower-case versions of these statements,
such as "show tables like 'wp_flag_pictures'", so we make sure to
recognize both the upper- and lower-case versions.

This is based, in part, on the work of raptorz in the support forum at
https://wordpress.org/support/topic/upgrade-to-wp421-fail?replies=3#post-6886123

Signed-off-by: Kevin Locke <kevin@kevinlocke.name>
This commit is contained in:
Kevin Locke
2015-06-03 01:03:54 -06:00
parent f97491346b
commit 6aea521bf2
2 changed files with 50 additions and 7 deletions
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2
pg4wp/driver_pgsql.php
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@@ -411,7 +411,7 @@
$sql = "SET NAMES 'utf8'";
}
// Load up upgrade and install functions as required
$begin = substr( $sql, 0, 3);
$begin = strtoupper( substr( $sql, 0, 3));
$search = array( 'SHO', 'ALT', 'DES', 'CRE', 'DRO');
if( in_array($begin, $search))
{