mirror of
https://github.com/yiisoft/yii2.git
synced 2025-11-03 22:32:40 +08:00
clean up oci driver.
This commit is contained in:
Qiang Xue
@ -1,92 +0,0 @@
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<?php
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namespace yii\db\oci;
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class ColumnSchema extends \yii\db\ColumnSchema
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{
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/**
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* Initializes the column with its DB type and default value.
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* This sets up the column's PHP type, size, precision, scale as well as default value.
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*
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* @param string $dbType
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* the column's DB type
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* @param mixed $defaultValue
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* the default value
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*/
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public function extract($dbType, $defaultValue)
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{
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$this->dbType = $dbType;
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$this->extractType($dbType);
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$this->extractLimit($dbType);
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if ($defaultValue !== null)
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$this->extractDefault($defaultValue);
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}
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/**
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* Extracts the PHP type from DB type.
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*
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* @param string $dbType
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* DB type
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* @return string
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*/
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protected function extractOraType($dbType)
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{
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if (strpos($dbType, 'FLOAT') !== false)
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return 'double';
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if (strpos($dbType, 'NUMBER') !== false || strpos($dbType, 'INTEGER') !== false) {
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if (strpos($dbType, '(') && preg_match('/\((.*)\)/', $dbType, $matches)) {
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$values = explode(',', $matches[1]);
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if (isset($values[1]) and (((int) $values[1]) > 0))
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return 'double';
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else
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return 'integer';
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} else
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return 'double';
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} else
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return 'string';
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}
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/**
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* Extracts the PHP type from DB type.
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*
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* @param string $dbType
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* DB type
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*/
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protected function extractType($dbType)
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{
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$this->type = $this->extractOraType($dbType);
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}
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/**
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* Extracts size, precision and scale information from column's DB type.
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*
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* @param string $dbType
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* the column's DB type
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*/
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protected function extractLimit($dbType)
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{
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if (strpos($dbType, '(') && preg_match('/\((.*)\)/', $dbType, $matches)) {
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$values = explode(',', $matches[1]);
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$this->size = $this->precision = (int) $values[0];
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if (isset($values[1]))
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$this->scale = (int) $values[1];
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}
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}
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/**
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* Extracts the default value for the column.
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* The value is typecasted to correct PHP type.
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*
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* @param mixed $defaultValue
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* the default value obtained from metadata
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*/
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protected function extractDefault($defaultValue)
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{
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if (stripos($defaultValue, 'timestamp') !== false) {
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$this->defaultValue = null;
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} else {
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$this->defaultValue = $this->typecast($defaultValue);
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}
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}
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}
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@ -1,78 +1,137 @@
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<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\db\oci;
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use yii\db\Exception;
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use yii\base\InvalidParamException;
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/**
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* QueryBuilder is the query builder for Oracle databases.
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*
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*
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*/
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class QueryBuilder extends \yii\db\QueryBuilder
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{
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private $sql;
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private $sql;
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public function build($query)
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{
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// var_dump($query);exit;
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$params = $query->params;
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$clauses = [
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$this->buildSelect ( $query->select, $query->distinct, $query->selectOption ),
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$this->buildFrom ( $query->from ),
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$this->buildJoin ( $query->join, $params ),
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$this->buildWhere ( $query->where, $params ),
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$this->buildGroupBy ( $query->groupBy ),
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$this->buildHaving ( $query->having, $params ),
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$this->buildUnion ( $query->union, $params ),
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$this->buildOrderBy ( $query->orderBy )
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// $this->buildLimit($query->limit, $query->offset),
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;
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// var_dump( [implode($this->separator, array_filter($clauses)), $params]);exit;
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$this->sql = implode($this->separator, array_filter($clauses));
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if (! is_null($query->limit) && ! is_null($query->offset)) {
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$this->sql = $this->buildLimit($query->limit, $query->offset);
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}
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return [
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$this->sql,
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$params
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];
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// return [implode($this->separator, array_filter($clauses)), $params];
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}
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public function build($query)
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{
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// var_dump($query);exit;
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$params = $query->params;
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$clauses = [
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$this->buildSelect($query->select, $query->distinct, $query->selectOption),
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$this->buildFrom($query->from),
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$this->buildJoin($query->join, $params),
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$this->buildWhere($query->where, $params),
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$this->buildGroupBy($query->groupBy),
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$this->buildHaving($query->having, $params),
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$this->buildUnion($query->union, $params),
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$this->buildOrderBy($query->orderBy),
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];
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$this->sql = implode($this->separator, array_filter($clauses));
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public function buildLimit($limit, $offset)
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{
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// var_dump($limit >= 0);
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// var_dump($offset);exit;
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// var_dump($limit, $offset);
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if (($limit < 0) && ($offset < 0)) {
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return $this->sql;
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}
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$filters = array();
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if ($offset > 0) {
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$filters[] = 'rowNumId > ' . (int) $offset;
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}
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if ($limit >= 0) {
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$filters[] = 'rownum <= ' . (int) $limit;
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}
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if (count($filters) > 0) {
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$filter = implode(' and ', $filters);
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$filter = " WHERE " . $filter;
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} else {
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$filter = '';
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}
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$sql = <<<EOD
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if ($query->limit !== null || $query->offset !== null) {
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$this->sql = $this->buildLimit($query->limit, $query->offset);
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}
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return [$this->sql, $params];
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}
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public function buildLimit($limit, $offset)
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{
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if (($limit < 0) && ($offset < 0)) {
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return $this->sql;
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}
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$filters = array();
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if ($offset > 0) {
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$filters[] = 'rowNumId > ' . (int)$offset;
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}
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if ($limit >= 0) {
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$filters[] = 'rownum <= ' . (int)$limit;
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}
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if (count($filters) > 0) {
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$filter = implode(' and ', $filters);
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$filter = " WHERE " . $filter;
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} else {
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$filter = '';
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}
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$sql = <<<EOD
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WITH USER_SQL AS ({$this->sql}),
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PAGINATION AS (SELECT USER_SQL.*, rownum as rowNumId FROM USER_SQL)
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SELECT *
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FROM PAGINATION
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{$filter}
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EOD;
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return $sql;
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}
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return $sql;
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}
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/**
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* Builds a SQL statement for renaming a DB table.
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*
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* @param string $table the table to be renamed. The name will be properly quoted by the method.
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* @param string $newName the new table name. The name will be properly quoted by the method.
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* @return string the SQL statement for renaming a DB table.
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*/
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public function renameTable($table, $newName)
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{
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return 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' RENAME TO ' . $this->db->quoteTableName($newName);
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}
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/**
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* Builds a SQL statement for changing the definition of a column.
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*
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* @param string $table the table whose column is to be changed. The table name will be properly quoted by the method.
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* @param string $column the name of the column to be changed. The name will be properly quoted by the method.
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* @param string $type the new column type. The {@link getColumnType} method will be invoked to convert abstract column type (if any)
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* into the physical one. Anything that is not recognized as abstract type will be kept in the generated SQL.
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* For example, 'string' will be turned into 'varchar(255)', while 'string not null' will become 'varchar(255) not null'.
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* @return string the SQL statement for changing the definition of a column.
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*/
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public function alterColumn($table, $column, $type)
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{
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$type = $this->getColumnType($type);
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return 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' MODIFY ' . $this->db->quoteColumnName($column) . ' ' . $this->getColumnType($type);
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}
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/**
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* Builds a SQL statement for dropping an index.
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*
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* @param string $name the name of the index to be dropped. The name will be properly quoted by the method.
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* @param string $table the table whose index is to be dropped. The name will be properly quoted by the method.
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* @return string the SQL statement for dropping an index.
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*/
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public function dropIndex($name, $table)
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{
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return 'DROP INDEX ' . $this->db->quoteTableName($name);
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}
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/**
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* @inheritdoc
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*/
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public function resetSequence($table, $value = null)
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{
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$tableSchema = $this->db->getTableSchema($table);
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if ($tableSchema === null) {
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throw new InvalidParamException("Unknown table: $table");
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}
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if ($tableSchema->sequenceName === null) {
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return '';
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}
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if ($value !== null) {
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$value = (int)$value;
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} else {
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$value = (int)$this->db->createCommand("SELECT MAX(\"{$tableSchema->primaryKey}\") FROM \"{$tableSchema->name}\"")->queryScalar();
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$value++;
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}
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return "DROP SEQUENCE \"{$tableSchema->name}_SEQ\";"
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. "CREATE SEQUENCE \"{$tableSchema->name}_SEQ\" START WITH {$value} INCREMENT BY 1 NOMAXVALUE NOCACHE";
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}
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}
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@ -1,137 +1,115 @@
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<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\db\oci;
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use yii\db\TableSchema;
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use yii\db\oci\ColumnSchema;
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use yii\db\ColumnSchema;
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/**
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* Schema is the class for retrieving metadata information from an Oracle database.
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*
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* Schema is the class for retrieving metadata from an Oracle database
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*
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* @todo mapping from physical types to abstract types
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @since 2.0
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*/
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class Schema extends \yii\db\Schema
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{
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private $_defaultSchema;
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private $_defaultSchema = '';
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/**
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* @inheritdoc
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*/
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public function quoteSimpleTableName($name)
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{
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return '"' . $name . '"';
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}
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public function createQueryBuilder()
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{
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return new QueryBuilder($this->db);
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}
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/**
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* @inheritdoc
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*/
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public function quoteSimpleColumnName($name)
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{
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return '"' . $name . '"';
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}
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public function quoteTableName($name)
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{
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if (strpos($name, '.') === false) {
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return $this->quoteSimpleTableName($name);
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}
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$parts = explode('.', $name);
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foreach ($parts as $i => $part) {
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$parts[$i] = $this->quoteSimpleTableName($part);
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}
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return implode('.', $parts);
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}
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/**
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* @inheritdoc
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*/
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public function createQueryBuilder()
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{
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return new QueryBuilder($this->db);
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}
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public function quoteSimpleTableName($name)
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{
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return '"' . $name . '"';
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// return $name;
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}
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/**
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* @inheritdoc
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*/
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public function loadTableSchema($name)
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{
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$table = new TableSchema();
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$this->resolveTableNames($table, $name);
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public function quoteColumnName($name)
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{
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if (($pos = strrpos($name, '.')) !== false) {
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$prefix = $this->quoteTableName(substr($name, 0, $pos)) . '.';
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$name = substr($name, $pos + 1);
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} else {
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$prefix = '';
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}
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return $prefix . ($name === '*' ? $name : $this->quoteSimpleColumnName($name));
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}
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if ($this->findColumns($table)) {
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$this->findConstraints($table);
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return $table;
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} else {
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return null;
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}
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}
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public function quoteSimpleColumnName($name)
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{
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return '"' . $name . '"';
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// return $name;
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}
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/**
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* Resolves the table name and schema name (if any).
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*
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* @param TableSchema $table the table metadata object
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* @param string $name the table name
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*/
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protected function resolveTableNames($table, $name)
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{
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$parts = explode('.', str_replace('"', '', $name));
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if (isset($parts[1])) {
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$table->schemaName = $parts[0];
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$table->name = $parts[1];
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} else {
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$table->schemaName = $this->getDefaultSchema();
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$table->name = $parts[0];
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}
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}
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public function loadTableSchema($name)
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{
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$table = new TableSchema();
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$this->resolveTableNames($table, $name);
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// $this->findPrimaryKeys($table);
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if ($this->findColumns($table)) {
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// $this->findForeignKeys($table);
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$this->findConstraints($table);
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return $table;
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||||
}
|
||||
}
|
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/**
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* @return string default schema.
|
||||
*/
|
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public function getDefaultSchema()
|
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{
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||||
if ($this->_defaultSchema === null) {
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$this->setDefaultSchema(strtoupper($this->db->username));
|
||||
}
|
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return $this->_defaultSchema;
|
||||
}
|
||||
|
||||
/**
|
||||
* Resolves the table name and schema name (if any).
|
||||
*
|
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* @param TableSchema $table
|
||||
* the table metadata object
|
||||
* @param string $name
|
||||
* the table name
|
||||
*/
|
||||
protected function resolveTableNames($table, $name)
|
||||
{
|
||||
$parts = explode('.', str_replace('"', '', $name));
|
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if (isset($parts[1])) {
|
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$table->schemaName = $parts[0];
|
||||
$table->name = $parts[1];
|
||||
} else {
|
||||
$table->name = $parts[0];
|
||||
}
|
||||
|
||||
if ($table->schemaName === null) {
|
||||
$table->schemaName = $this->getDefaultSchema();
|
||||
}
|
||||
}
|
||||
/**
|
||||
* @param string $schema default schema.
|
||||
*/
|
||||
public function setDefaultSchema($schema)
|
||||
{
|
||||
$this->_defaultSchema = $schema;
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @return string default schema.
|
||||
*/
|
||||
public function getDefaultSchema()
|
||||
{
|
||||
if (! strlen($this->_defaultSchema)) {
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$this->setDefaultSchema(strtoupper($this->db->username));
|
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}
|
||||
|
||||
return $this->_defaultSchema;
|
||||
}
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||||
/**
|
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* Collects the table column metadata.
|
||||
* @param TableSchema $table the table schema
|
||||
* @return boolean whether the table exists
|
||||
*/
|
||||
protected function findColumns($table)
|
||||
{
|
||||
$schemaName = $table->schemaName;
|
||||
$tableName = $table->name;
|
||||
|
||||
/**
|
||||
*
|
||||
* @param string $schema
|
||||
* default schema.
|
||||
*/
|
||||
public function setDefaultSchema($schema)
|
||||
{
|
||||
$this->_defaultSchema = $schema;
|
||||
}
|
||||
|
||||
public function getLastInsertID($sequenceName = '')
|
||||
{
|
||||
if ($this->db->isActive) {
|
||||
$sql = "select {$sequenceName}.currval from dual";
|
||||
return $this->db->createCommand($sql)->queryScalar();
|
||||
} else {
|
||||
throw new InvalidCallException('DB Connection is not active.');
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Collects the table column metadata.
|
||||
*
|
||||
*/
|
||||
protected function findColumns($table)
|
||||
{
|
||||
$schemaName = $table->schemaName;
|
||||
$tableName = $table->name;
|
||||
|
||||
$sql = <<<EOD
|
||||
$sql = <<<EOD
|
||||
SELECT a.column_name, a.data_type ||
|
||||
case
|
||||
when data_precision is not null
|
||||
@ -160,65 +138,48 @@ WHERE
|
||||
and b.object_name = '{$tableName}'
|
||||
ORDER by a.column_id
|
||||
EOD;
|
||||
|
||||
try {
|
||||
$columns = $this->db->createCommand($sql)->queryAll();
|
||||
} catch (\Exception $e) {
|
||||
return false;
|
||||
}
|
||||
|
||||
foreach ($columns as $column) {
|
||||
$c = $this->createColumn($column);
|
||||
|
||||
$table->columns[$c->name] = $c;
|
||||
if ($c->isPrimaryKey) {
|
||||
if ($table->primaryKey === null) {
|
||||
$table->primaryKey = $c->name;
|
||||
} elseif (is_string($table->primaryKey)) {
|
||||
$table->primaryKey = array(
|
||||
$table->primaryKey,
|
||||
$c->name
|
||||
);
|
||||
} else {
|
||||
$table->primaryKey[] = $c->name;
|
||||
}
|
||||
$sql = "select sequence_name
|
||||
from user_tables tabs
|
||||
join user_triggers trigs
|
||||
on trigs.table_name = tabs.table_name
|
||||
join user_dependencies deps
|
||||
on deps.name = trigs.trigger_name
|
||||
join user_sequences seqs
|
||||
on seqs.sequence_name = deps.referenced_name
|
||||
where tabs.table_name = '{$tableName}'
|
||||
and trigs.triggering_event = 'INSERT'";
|
||||
try {
|
||||
$seqName = $this->db->createCommand($sql)->queryScalar();
|
||||
} catch (\Exception $e) {
|
||||
return false;
|
||||
}
|
||||
$table->sequenceName = $seqName;
|
||||
$c->autoIncrement = true;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
protected function createColumn($column)
|
||||
{
|
||||
$c = new ColumnSchema();
|
||||
$c->name = $column['COLUMN_NAME'];
|
||||
$c->allowNull = $column['NULLABLE'] === 'Y';
|
||||
$c->isPrimaryKey = strpos($column['KEY'], 'P') !== false;
|
||||
$c->extract($column['DATA_TYPE'], $column['DATA_DEFAULT']);
|
||||
$c->comment = $column['COLUMN_COMMENT'] === null ? '' : $column['COLUMN_COMMENT'];
|
||||
|
||||
return $c;
|
||||
}
|
||||
try {
|
||||
$columns = $this->db->createCommand($sql)->queryAll();
|
||||
} catch (\Exception $e) {
|
||||
return false;
|
||||
}
|
||||
|
||||
protected function findConstraints($table)
|
||||
{
|
||||
$sql = <<<EOD
|
||||
foreach ($columns as $column) {
|
||||
$c = $this->createColumn($column);
|
||||
$table->columns[$c->name] = $c;
|
||||
if ($c->isPrimaryKey) {
|
||||
$table->primaryKey[] = $c->name;
|
||||
$table->sequenceName = '';
|
||||
$c->autoIncrement = true;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
protected function createColumn($column)
|
||||
{
|
||||
$c = new ColumnSchema();
|
||||
$c->name = $column['COLUMN_NAME'];
|
||||
$c->allowNull = $column['NULLABLE'] === 'Y';
|
||||
$c->isPrimaryKey = strpos($column['KEY'], 'P') !== false;
|
||||
$c->comment = $column['COLUMN_COMMENT'] === null ? '' : $column['COLUMN_COMMENT'];
|
||||
|
||||
$this->extractColumnType($c, $column['DATA_TYPE']);
|
||||
$this->extractColumnSize($c, $column['DATA_TYPE']);
|
||||
|
||||
if (stripos($column['DATA_DEFAULT'], 'timestamp') !== false) {
|
||||
$c->defaultValue = null;
|
||||
} else {
|
||||
$c->defaultValue = $c->typecast($column['DATA_DEFAULT']);
|
||||
}
|
||||
|
||||
return $c;
|
||||
}
|
||||
|
||||
protected function findConstraints($table)
|
||||
{
|
||||
$sql = <<<EOD
|
||||
SELECT D.constraint_type as CONSTRAINT_TYPE, C.COLUMN_NAME, C.position, D.r_constraint_name,
|
||||
E.table_name as table_ref, f.column_name as column_ref,
|
||||
C.table_name
|
||||
@ -231,134 +192,82 @@ where tabs.table_name = '{$tableName}'
|
||||
and D.constraint_type <> 'P'
|
||||
order by d.constraint_name, c.position
|
||||
EOD;
|
||||
$command = $this->db->createCommand($sql);
|
||||
foreach ($command->queryAll() as $row) {
|
||||
if ($row['CONSTRAINT_TYPE'] === 'R') { // foreign key
|
||||
$name = $row["COLUMN_NAME"];
|
||||
$table->foreignKeys[$name] = array(
|
||||
$row["TABLE_REF"],
|
||||
$row["COLUMN_REF"]
|
||||
);
|
||||
/*
|
||||
* if (isset($table->columns[$name])) { $table->columns[$name]->isForeignKey = true; }
|
||||
*/
|
||||
}
|
||||
}
|
||||
}
|
||||
$command = $this->db->createCommand($sql);
|
||||
foreach ($command->queryAll() as $row) {
|
||||
if ($row['CONSTRAINT_TYPE'] === 'R') {
|
||||
$name = $row["COLUMN_NAME"];
|
||||
$table->foreignKeys[$name] = [$row["TABLE_REF"], $row["COLUMN_REF"]];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns all table names in the database.
|
||||
*
|
||||
* @param string $schema
|
||||
* the schema of the tables. Defaults to empty string, meaning the current or default schema.
|
||||
* If not empty, the returned table names will be prefixed with the schema name.
|
||||
* @return array all table names in the database.
|
||||
*/
|
||||
protected function findTableNames($schema = '')
|
||||
{
|
||||
if ($schema === '') {
|
||||
$sql = <<<EOD
|
||||
/**
|
||||
* @inheritdoc
|
||||
*/
|
||||
protected function findTableNames($schema = '')
|
||||
{
|
||||
if ($schema === '') {
|
||||
$sql = <<<EOD
|
||||
SELECT table_name, '{$schema}' as table_schema FROM user_tables
|
||||
EOD;
|
||||
$command = $this->db->createCommand($sql);
|
||||
} else {
|
||||
$sql = <<<EOD
|
||||
$command = $this->db->createCommand($sql);
|
||||
} else {
|
||||
$sql = <<<EOD
|
||||
SELECT object_name as table_name, owner as table_schema FROM all_objects
|
||||
WHERE object_type = 'TABLE' AND owner=:schema
|
||||
EOD;
|
||||
$command = $this->db > createCommand($sql);
|
||||
$command->bindParam(':schema', $schema);
|
||||
}
|
||||
|
||||
$rows = $command->queryAll();
|
||||
$names = array();
|
||||
foreach ($rows as $row) {
|
||||
if ($schema === $this->getDefaultSchema() || $schema === '') {
|
||||
$names[] = $row['TABLE_NAME'];
|
||||
} else {
|
||||
$names[] = $row['TABLE_SCHEMA'] . '.' . $row['TABLE_NAME'];
|
||||
}
|
||||
}
|
||||
return $names;
|
||||
}
|
||||
$command = $this->db->createCommand($sql);
|
||||
$command->bindParam(':schema', $schema);
|
||||
}
|
||||
|
||||
/**
|
||||
* Builds a SQL statement for renaming a DB table.
|
||||
*
|
||||
* @param string $table
|
||||
* the table to be renamed. The name will be properly quoted by the method.
|
||||
* @param string $newName
|
||||
* the new table name. The name will be properly quoted by the method.
|
||||
* @return string the SQL statement for renaming a DB table.
|
||||
* @since 1.1.6
|
||||
*/
|
||||
public function renameTable($table, $newName)
|
||||
{
|
||||
return 'ALTER TABLE ' . $this->quoteTableName($table) . ' RENAME TO ' . $this->quoteTableName($newName);
|
||||
}
|
||||
$rows = $command->queryAll();
|
||||
$names = array();
|
||||
foreach ($rows as $row) {
|
||||
$names[] = $row['TABLE_NAME'];
|
||||
}
|
||||
return $names;
|
||||
}
|
||||
|
||||
/**
|
||||
* Builds a SQL statement for changing the definition of a column.
|
||||
*
|
||||
* @param string $table
|
||||
* the table whose column is to be changed. The table name will be properly quoted by the method.
|
||||
* @param string $column
|
||||
* the name of the column to be changed. The name will be properly quoted by the method.
|
||||
* @param string $type
|
||||
* the new column type. The {@link getColumnType} method will be invoked to convert abstract column type (if any)
|
||||
* into the physical one. Anything that is not recognized as abstract type will be kept in the generated SQL.
|
||||
* For example, 'string' will be turned into 'varchar(255)', while 'string not null' will become 'varchar(255) not null'.
|
||||
* @return string the SQL statement for changing the definition of a column.
|
||||
* @since 1.1.6
|
||||
*/
|
||||
public function alterColumn($table, $column, $type)
|
||||
{
|
||||
$type = $this->getColumnType($type);
|
||||
$sql = 'ALTER TABLE ' . $this->quoteTableName($table) . ' MODIFY ' . $this->quoteColumnName($column) . ' ' . $this->getColumnType($type);
|
||||
return $sql;
|
||||
}
|
||||
/**
|
||||
* Extracts the data types for the given column
|
||||
* @param ColumnSchema $column
|
||||
* @param string $dbType DB type
|
||||
*/
|
||||
protected function extractColumnType($column, $dbType)
|
||||
{
|
||||
$column->dbType = $dbType;
|
||||
|
||||
/**
|
||||
* Builds a SQL statement for dropping an index.
|
||||
*
|
||||
* @param string $name
|
||||
* the name of the index to be dropped. The name will be properly quoted by the method.
|
||||
* @param string $table
|
||||
* the table whose index is to be dropped. The name will be properly quoted by the method.
|
||||
* @return string the SQL statement for dropping an index.
|
||||
* @since 1.1.6
|
||||
*/
|
||||
public function dropIndex($name, $table)
|
||||
{
|
||||
return 'DROP INDEX ' . $this->quoteTableName($name);
|
||||
}
|
||||
if (strpos($dbType, 'FLOAT') !== false) {
|
||||
$column->type = 'double';
|
||||
} elseif (strpos($dbType, 'NUMBER') !== false || strpos($dbType, 'INTEGER') !== false) {
|
||||
if (strpos($dbType, '(') && preg_match('/\((.*)\)/', $dbType, $matches)) {
|
||||
$values = explode(',', $matches[1]);
|
||||
if (isset($values[1]) and (((int)$values[1]) > 0)) {
|
||||
$column->type = 'double';
|
||||
} else {
|
||||
$column->type = 'integer';
|
||||
}
|
||||
} else {
|
||||
$column->type = 'double';
|
||||
}
|
||||
} else {
|
||||
$column->type = 'string';
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Resets the sequence value of a table's primary key.
|
||||
* The sequence will be reset such that the primary key of the next new row inserted
|
||||
* will have the specified value or 1.
|
||||
*
|
||||
* @param CDbTableSchema $table
|
||||
* the table schema whose primary key sequence will be reset
|
||||
* @param mixed $value
|
||||
* the value for the primary key of the next new row inserted. If this is not set,
|
||||
* the next new row's primary key will have a value 1.
|
||||
* @since 1.1.13
|
||||
*/
|
||||
public function resetSequence($table, $value = 1)
|
||||
{
|
||||
$seq = $table->name . "_SEQ";
|
||||
if ($table->sequenceName !== null) {
|
||||
$this->db->createCommand("DROP SEQUENCE " . $seq)->execute();
|
||||
|
||||
$createSequenceSql = <<< SQL
|
||||
create sequence $seq
|
||||
start with $value
|
||||
increment by 1
|
||||
nomaxvalue
|
||||
nocache
|
||||
SQL;
|
||||
$this->db->createCommand($createSequenceSql)->execute();
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Extracts size, precision and scale information from column's DB type.
|
||||
* @param ColumnSchema $column
|
||||
* @param string $dbType the column's DB type
|
||||
*/
|
||||
protected function extractColumnSize($column, $dbType)
|
||||
{
|
||||
if (strpos($dbType, '(') && preg_match('/\((.*)\)/', $dbType, $matches)) {
|
||||
$values = explode(',', $matches[1]);
|
||||
$column->size = $column->precision = (int)$values[0];
|
||||
if (isset($values[1])) {
|
||||
$column->scale = (int)$values[1];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user