Initial Commit
This commit is contained in:
Riley Schneider
182
database/php/pear/adodb/datadict/datadict-mysql.inc.php
Normal file
182
database/php/pear/adodb/datadict/datadict-mysql.inc.php
Normal file
@@ -0,0 +1,182 @@
|
||||
<?php
|
||||
|
||||
/**
|
||||
V5.18 3 Sep 2012 (c) 2000-2012 John Lim (jlim#natsoft.com). All rights reserved.
|
||||
Released under both BSD license and Lesser GPL library license.
|
||||
Whenever there is any discrepancy between the two licenses,
|
||||
the BSD license will take precedence.
|
||||
|
||||
Set tabs to 4 for best viewing.
|
||||
|
||||
*/
|
||||
|
||||
// security - hide paths
|
||||
if (!defined('ADODB_DIR')) die();
|
||||
|
||||
class ADODB2_mysql extends ADODB_DataDict {
|
||||
var $databaseType = 'mysql';
|
||||
var $alterCol = ' MODIFY COLUMN';
|
||||
var $alterTableAddIndex = true;
|
||||
var $dropTable = 'DROP TABLE IF EXISTS %s'; // requires mysql 3.22 or later
|
||||
|
||||
var $dropIndex = 'DROP INDEX %s ON %s';
|
||||
var $renameColumn = 'ALTER TABLE %s CHANGE COLUMN %s %s %s'; // needs column-definition!
|
||||
|
||||
function MetaType($t,$len=-1,$fieldobj=false)
|
||||
{
|
||||
if (is_object($t)) {
|
||||
$fieldobj = $t;
|
||||
$t = $fieldobj->type;
|
||||
$len = $fieldobj->max_length;
|
||||
}
|
||||
$is_serial = is_object($fieldobj) && $fieldobj->primary_key && $fieldobj->auto_increment;
|
||||
|
||||
$len = -1; // mysql max_length is not accurate
|
||||
switch (strtoupper($t)) {
|
||||
case 'STRING':
|
||||
case 'CHAR':
|
||||
case 'VARCHAR':
|
||||
case 'TINYBLOB':
|
||||
case 'TINYTEXT':
|
||||
case 'ENUM':
|
||||
case 'SET':
|
||||
if ($len <= $this->blobSize) return 'C';
|
||||
|
||||
case 'TEXT':
|
||||
case 'LONGTEXT':
|
||||
case 'MEDIUMTEXT':
|
||||
return 'X';
|
||||
|
||||
// php_mysql extension always returns 'blob' even if 'text'
|
||||
// so we have to check whether binary...
|
||||
case 'IMAGE':
|
||||
case 'LONGBLOB':
|
||||
case 'BLOB':
|
||||
case 'MEDIUMBLOB':
|
||||
return !empty($fieldobj->binary) ? 'B' : 'X';
|
||||
|
||||
case 'YEAR':
|
||||
case 'DATE': return 'D';
|
||||
|
||||
case 'TIME':
|
||||
case 'DATETIME':
|
||||
case 'TIMESTAMP': return 'T';
|
||||
|
||||
case 'FLOAT':
|
||||
case 'DOUBLE':
|
||||
return 'F';
|
||||
|
||||
case 'INT':
|
||||
case 'INTEGER': return $is_serial ? 'R' : 'I';
|
||||
case 'TINYINT': return $is_serial ? 'R' : 'I1';
|
||||
case 'SMALLINT': return $is_serial ? 'R' : 'I2';
|
||||
case 'MEDIUMINT': return $is_serial ? 'R' : 'I4';
|
||||
case 'BIGINT': return $is_serial ? 'R' : 'I8';
|
||||
default: return 'N';
|
||||
}
|
||||
}
|
||||
|
||||
function ActualType($meta)
|
||||
{
|
||||
switch(strtoupper($meta)) {
|
||||
case 'C': return 'VARCHAR';
|
||||
case 'XL':return 'LONGTEXT';
|
||||
case 'X': return 'TEXT';
|
||||
|
||||
case 'C2': return 'VARCHAR';
|
||||
case 'X2': return 'LONGTEXT';
|
||||
|
||||
case 'B': return 'LONGBLOB';
|
||||
|
||||
case 'D': return 'DATE';
|
||||
case 'TS':
|
||||
case 'T': return 'DATETIME';
|
||||
case 'L': return 'TINYINT';
|
||||
|
||||
case 'R':
|
||||
case 'I4':
|
||||
case 'I': return 'INTEGER';
|
||||
case 'I1': return 'TINYINT';
|
||||
case 'I2': return 'SMALLINT';
|
||||
case 'I8': return 'BIGINT';
|
||||
|
||||
case 'F': return 'DOUBLE';
|
||||
case 'N': return 'NUMERIC';
|
||||
default:
|
||||
return $meta;
|
||||
}
|
||||
}
|
||||
|
||||
// return string must begin with space
|
||||
function _CreateSuffix($fname,&$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
|
||||
{
|
||||
$suffix = '';
|
||||
if ($funsigned) $suffix .= ' UNSIGNED';
|
||||
if ($fnotnull) $suffix .= ' NOT NULL';
|
||||
if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
|
||||
if ($fautoinc) $suffix .= ' AUTO_INCREMENT';
|
||||
if ($fconstraint) $suffix .= ' '.$fconstraint;
|
||||
return $suffix;
|
||||
}
|
||||
|
||||
/*
|
||||
CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name [(create_definition,...)]
|
||||
[table_options] [select_statement]
|
||||
create_definition:
|
||||
col_name type [NOT NULL | NULL] [DEFAULT default_value] [AUTO_INCREMENT]
|
||||
[PRIMARY KEY] [reference_definition]
|
||||
or PRIMARY KEY (index_col_name,...)
|
||||
or KEY [index_name] (index_col_name,...)
|
||||
or INDEX [index_name] (index_col_name,...)
|
||||
or UNIQUE [INDEX] [index_name] (index_col_name,...)
|
||||
or FULLTEXT [INDEX] [index_name] (index_col_name,...)
|
||||
or [CONSTRAINT symbol] FOREIGN KEY [index_name] (index_col_name,...)
|
||||
[reference_definition]
|
||||
or CHECK (expr)
|
||||
*/
|
||||
|
||||
/*
|
||||
CREATE [UNIQUE|FULLTEXT] INDEX index_name
|
||||
ON tbl_name (col_name[(length)],... )
|
||||
*/
|
||||
|
||||
function _IndexSQL($idxname, $tabname, $flds, $idxoptions)
|
||||
{
|
||||
$sql = array();
|
||||
|
||||
if ( isset($idxoptions['REPLACE']) || isset($idxoptions['DROP']) ) {
|
||||
if ($this->alterTableAddIndex) $sql[] = "ALTER TABLE $tabname DROP INDEX $idxname";
|
||||
else $sql[] = sprintf($this->dropIndex, $idxname, $tabname);
|
||||
|
||||
if ( isset($idxoptions['DROP']) )
|
||||
return $sql;
|
||||
}
|
||||
|
||||
if ( empty ($flds) ) {
|
||||
return $sql;
|
||||
}
|
||||
|
||||
if (isset($idxoptions['FULLTEXT'])) {
|
||||
$unique = ' FULLTEXT';
|
||||
} elseif (isset($idxoptions['UNIQUE'])) {
|
||||
$unique = ' UNIQUE';
|
||||
} else {
|
||||
$unique = '';
|
||||
}
|
||||
|
||||
if ( is_array($flds) ) $flds = implode(', ',$flds);
|
||||
|
||||
if ($this->alterTableAddIndex) $s = "ALTER TABLE $tabname ADD $unique INDEX $idxname ";
|
||||
else $s = 'CREATE' . $unique . ' INDEX ' . $idxname . ' ON ' . $tabname;
|
||||
|
||||
$s .= ' (' . $flds . ')';
|
||||
|
||||
if ( isset($idxoptions[$this->upperName]) )
|
||||
$s .= $idxoptions[$this->upperName];
|
||||
|
||||
$sql[] = $s;
|
||||
|
||||
return $sql;
|
||||
}
|
||||
}
|
||||
?>
|
||||
Reference in New Issue
Block a user