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a375a62070
there is no reliable way to determine the cubrid PDO extension version used and also no reliable way to detect which combination of server and client produces wrong behavior. By requiering 9.3 or higher in both client and server we can be sure it works. fixes #852
94 lines
3.5 KiB
PHP
94 lines
3.5 KiB
PHP
<?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\cubrid;
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use yii\base\InvalidParamException;
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/**
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* QueryBuilder is the query builder for CUBRID databases (version 9.3.x and higher).
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*
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* @author Carsten Brandt <mail@cebe.cc>
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* @since 2.0
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*/
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class QueryBuilder extends \yii\db\QueryBuilder
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{
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/**
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* @var array mapping from abstract column types (keys) to physical column types (values).
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*/
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public $typeMap = [
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Schema::TYPE_PK => 'int NOT NULL AUTO_INCREMENT PRIMARY KEY',
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Schema::TYPE_BIGPK => 'bigint NOT NULL AUTO_INCREMENT PRIMARY KEY',
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Schema::TYPE_STRING => 'varchar(255)',
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Schema::TYPE_TEXT => 'varchar',
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Schema::TYPE_SMALLINT => 'smallint',
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Schema::TYPE_INTEGER => 'int',
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Schema::TYPE_BIGINT => 'bigint',
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Schema::TYPE_FLOAT => 'float(7)',
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Schema::TYPE_DECIMAL => 'decimal(10,0)',
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Schema::TYPE_DATETIME => 'datetime',
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Schema::TYPE_TIMESTAMP => 'timestamp',
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Schema::TYPE_TIME => 'time',
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Schema::TYPE_DATE => 'date',
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Schema::TYPE_BINARY => 'blob',
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Schema::TYPE_BOOLEAN => 'smallint',
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Schema::TYPE_MONEY => 'decimal(19,4)',
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];
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/**
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* Creates a SQL statement for resetting the sequence value of a table's primary key.
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* The sequence will be reset such that the primary key of the next new row inserted
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* will have the specified value or 1.
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* @param string $tableName the name of the table whose primary key sequence will be reset
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* @param mixed $value the value for the primary key of the next new row inserted. If this is not set,
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* the next new row's primary key will have a value 1.
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* @return string the SQL statement for resetting sequence
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* @throws InvalidParamException if the table does not exist or there is no sequence associated with the table.
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*/
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public function resetSequence($tableName, $value = null)
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{
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$table = $this->db->getTableSchema($tableName);
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if ($table !== null && $table->sequenceName !== null) {
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$tableName = $this->db->quoteTableName($tableName);
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if ($value === null) {
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$key = reset($table->primaryKey);
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$value = (int) $this->db->createCommand("SELECT MAX(`$key`) FROM " . $this->db->schema->quoteTableName($tableName))->queryScalar() + 1;
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} else {
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$value = (int) $value;
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}
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return "ALTER TABLE " . $this->db->schema->quoteTableName($tableName) . " AUTO_INCREMENT=$value;";
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} elseif ($table === null) {
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throw new InvalidParamException("Table not found: $tableName");
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} else {
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throw new InvalidParamException("There is not sequence associated with table '$tableName'.");
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}
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}
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/**
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* @inheritdoc
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*/
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public function buildLimit($limit, $offset)
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{
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$sql = '';
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// limit is not optional in CUBRID
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// http://www.cubrid.org/manual/90/en/LIMIT%20Clause
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// "You can specify a very big integer for row_count to display to the last row, starting from a specific row."
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if ($this->hasLimit($limit)) {
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$sql = 'LIMIT ' . $limit;
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if ($this->hasOffset($offset)) {
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$sql .= ' OFFSET ' . $offset;
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}
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} elseif ($this->hasOffset($offset)) {
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$sql = "LIMIT 9223372036854775807 OFFSET $offset"; // 2^63-1
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}
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return $sql;
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}
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}
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