PostgreSQL-For-Wordpress/postgresql-for-wordpress
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Move pg4wp_rewrite_field out of pg4wp_rewrite

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To fix "Cannot redeclare pg4wp_rewrite_field"

Signed-off-by: Kevin Locke <kevin@kevinlocke.name>
This commit is contained in:
Kevin Locke
2017-09-24 15:41:21 -06:00
parent 54042c1bcc
commit 06884bd732
1 changed files with 14 additions and 13 deletions
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27
pg4wp/driver_pgsql.php
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@ -198,6 +198,20 @@
return $data; return $data;
} }
// Convert MySQL FIELD function to CASE statement
// https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_field
// Other implementations: https://stackoverflow.com/q/1309624
function pg4wp_rewrite_field($matches)
{
$case = 'CASE ' . trim($matches[1]);
$comparands = explode(',', $matches[2]);
foreach($comparands as $i => $comparand) {
$case .= ' WHEN ' . trim($comparand) . ' THEN ' . ($i + 1);
}
$case .= ' ELSE 0 END';
return $case;
}
function pg4wp_rewrite( $sql) function pg4wp_rewrite( $sql)
{ {
// Note: Can be called from constructor before $wpdb is set // Note: Can be called from constructor before $wpdb is set
@ -281,19 +295,6 @@
$pattern = '/DATE_ADD[ ]*\(([^,]+),([^\)]+)\)/'; $pattern = '/DATE_ADD[ ]*\(([^,]+),([^\)]+)\)/';
$sql = preg_replace( $pattern, '($1 + $2)', $sql); $sql = preg_replace( $pattern, '($1 + $2)', $sql);
// Convert MySQL FIELD function to CASE statement
// https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_field
// Other implementations: https://stackoverflow.com/q/1309624
function pg4wp_rewrite_field($matches)
{
$case = 'CASE ' . trim($matches[1]);
$comparands = explode(',', $matches[2]);
foreach($comparands as $i => $comparand) {
$case .= ' WHEN ' . trim($comparand) . ' THEN ' . ($i + 1);
}
$case .= ' ELSE 0 END';
return $case;
}
$pattern = '/FIELD[ ]*\(([^\),]+),([^\)]+)\)/'; $pattern = '/FIELD[ ]*\(([^\),]+),([^\)]+)\)/';
$sql = preg_replace_callback( $pattern, 'pg4wp_rewrite_field', $sql); $sql = preg_replace_callback( $pattern, 'pg4wp_rewrite_field', $sql);