|
|
|
<?php
|
|
|
|
/**
|
|
|
|
* @link http://www.yiiframework.com/
|
|
|
|
* @copyright Copyright (c) 2008 Yii Software LLC
|
|
|
|
* @license http://www.yiiframework.com/license/
|
|
|
|
*/
|
|
|
|
|
|
|
|
namespace yii\db\oci;
|
|
|
|
|
|
|
|
use yii\base\InvalidParamException;
|
|
|
|
use yii\db\Connection;
|
|
|
|
use yii\db\Exception;
|
|
|
|
use yii\db\Expression;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* QueryBuilder is the query builder for Oracle databases.
|
|
|
|
*
|
|
|
|
* @author Qiang Xue <qiang.xue@gmail.com>
|
|
|
|
* @since 2.0
|
|
|
|
*/
|
|
|
|
class QueryBuilder extends \yii\db\QueryBuilder
|
|
|
|
{
|
|
|
|
/**
|
|
|
|
* @var array mapping from abstract column types (keys) to physical column types (values).
|
|
|
|
*/
|
|
|
|
public $typeMap = [
|
|
|
|
Schema::TYPE_PK => 'NUMBER(10) NOT NULL PRIMARY KEY',
|
|
|
|
Schema::TYPE_UPK => 'NUMBER(10) UNSIGNED NOT NULL PRIMARY KEY',
|
|
|
|
Schema::TYPE_BIGPK => 'NUMBER(20) NOT NULL PRIMARY KEY',
|
|
|
|
Schema::TYPE_UBIGPK => 'NUMBER(20) UNSIGNED NOT NULL PRIMARY KEY',
|
|
|
|
Schema::TYPE_CHAR => 'CHAR(1)',
|
|
|
|
Schema::TYPE_STRING => 'VARCHAR2(255)',
|
|
|
|
Schema::TYPE_TEXT => 'CLOB',
|
|
|
|
Schema::TYPE_SMALLINT => 'NUMBER(5)',
|
|
|
|
Schema::TYPE_INTEGER => 'NUMBER(10)',
|
|
|
|
Schema::TYPE_BIGINT => 'NUMBER(20)',
|
|
|
|
Schema::TYPE_FLOAT => 'NUMBER',
|
|
|
|
Schema::TYPE_DOUBLE => 'NUMBER',
|
|
|
|
Schema::TYPE_DECIMAL => 'NUMBER',
|
|
|
|
Schema::TYPE_DATETIME => 'TIMESTAMP',
|
|
|
|
Schema::TYPE_TIMESTAMP => 'TIMESTAMP',
|
|
|
|
Schema::TYPE_TIME => 'TIMESTAMP',
|
|
|
|
Schema::TYPE_DATE => 'DATE',
|
|
|
|
Schema::TYPE_BINARY => 'BLOB',
|
|
|
|
Schema::TYPE_BOOLEAN => 'NUMBER(1)',
|
|
|
|
Schema::TYPE_MONEY => 'NUMBER(19,4)',
|
|
|
|
];
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @inheritdoc
|
|
|
|
*/
|
|
|
|
protected $likeEscapeCharacter = '!';
|
|
|
|
/**
|
|
|
|
* `\` is initialized in [[buildLikeCondition()]] method since
|
|
|
|
* we need to choose replacement value based on [[\yii\db\Schema::quoteValue()]].
|
|
|
|
* @inheritdoc
|
|
|
|
*/
|
|
|
|
protected $likeEscapingReplacements = [
|
|
|
|
'%' => '!%',
|
|
|
|
'_' => '!_',
|
|
|
|
'!' => '!!',
|
|
|
|
];
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @inheritdoc
|
|
|
|
*/
|
|
|
|
public function buildOrderByAndLimit($sql, $orderBy, $limit, $offset)
|
|
|
|
{
|
|
|
|
$orderBy = $this->buildOrderBy($orderBy);
|
|
|
|
if ($orderBy !== '') {
|
|
|
|
$sql .= $this->separator . $orderBy;
|
|
|
|
}
|
|
|
|
|
|
|
|
$filters = [];
|
|
|
|
if ($this->hasOffset($offset)) {
|
|
|
|
$filters[] = 'rowNumId > ' . $offset;
|
|
|
|
}
|
|
|
|
if ($this->hasLimit($limit)) {
|
|
|
|
$filters[] = 'rownum <= ' . $limit;
|
|
|
|
}
|
|
|
|
if (empty($filters)) {
|
|
|
|
return $sql;
|
|
|
|
}
|
|
|
|
|
|
|
|
$filter = implode(' AND ', $filters);
|
|
|
|
return <<<EOD
|
|
|
|
WITH USER_SQL AS ($sql),
|
|
|
|
PAGINATION AS (SELECT USER_SQL.*, rownum as rowNumId FROM USER_SQL)
|
|
|
|
SELECT *
|
|
|
|
FROM PAGINATION
|
|
|
|
WHERE $filter
|
|
|
|
EOD;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* 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 $newName the new table name. The name will be properly quoted by the method.
|
|
|
|
* @return string the SQL statement for renaming a DB table.
|
|
|
|
*/
|
|
|
|
public function renameTable($table, $newName)
|
|
|
|
{
|
|
|
|
return 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' RENAME TO ' . $this->db->quoteTableName($newName);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* 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 $type the new column type. The [[getColumnType]] method will be invoked to convert abstract column type (if any)
|
|
|
|
* into the physical one. Anything that is not recognized as abstract type will be kept in the generated SQL.
|
|
|
|
* For example, 'string' will be turned into 'varchar(255)', while 'string not null' will become 'varchar(255) not null'.
|
|
|
|
* @return string the SQL statement for changing the definition of a column.
|
|
|
|
*/
|
|
|
|
public function alterColumn($table, $column, $type)
|
|
|
|
{
|
|
|
|
$type = $this->getColumnType($type);
|
|
|
|
|
|
|
|
return 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' MODIFY ' . $this->db->quoteColumnName($column) . ' ' . $this->getColumnType($type);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* 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 $table the table whose index is to be dropped. The name will be properly quoted by the method.
|
|
|
|
* @return string the SQL statement for dropping an index.
|
|
|
|
*/
|
|
|
|
public function dropIndex($name, $table)
|
|
|
|
{
|
|
|
|
return 'DROP INDEX ' . $this->db->quoteTableName($name);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @inheritdoc
|
|
|
|
*/
|
|
|
|
public function resetSequence($table, $value = null)
|
|
|
|
{
|
|
|
|
$tableSchema = $this->db->getTableSchema($table);
|
|
|
|
if ($tableSchema === null) {
|
|
|
|
throw new InvalidParamException("Unknown table: $table");
|
|
|
|
}
|
|
|
|
if ($tableSchema->sequenceName === null) {
|
|
|
|
return '';
|
|
|
|
}
|
|
|
|
|
|
|
|
if ($value !== null) {
|
|
|
|
$value = (int) $value;
|
|
|
|
} else {
|
|
|
|
// use master connection to get the biggest PK value
|
|
|
|
$value = $this->db->useMaster(function (Connection $db) use ($tableSchema) {
|
|
|
|
return $db->createCommand("SELECT MAX(\"{$tableSchema->primaryKey}\") FROM \"{$tableSchema->name}\"")->queryScalar();
|
|
|
|
}) + 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return "DROP SEQUENCE \"{$tableSchema->name}_SEQ\";"
|
|
|
|
. "CREATE SEQUENCE \"{$tableSchema->name}_SEQ\" START WITH {$value} INCREMENT BY 1 NOMAXVALUE NOCACHE";
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @inheritdoc
|
|
|
|
*/
|
|
|
|
public function addForeignKey($name, $table, $columns, $refTable, $refColumns, $delete = null, $update = null)
|
|
|
|
{
|
|
|
|
$sql = 'ALTER TABLE ' . $this->db->quoteTableName($table)
|
|
|
|
. ' ADD CONSTRAINT ' . $this->db->quoteColumnName($name)
|
|
|
|
. ' FOREIGN KEY (' . $this->buildColumns($columns) . ')'
|
|
|
|
. ' REFERENCES ' . $this->db->quoteTableName($refTable)
|
|
|
|
. ' (' . $this->buildColumns($refColumns) . ')';
|
|
|
|
if ($delete !== null) {
|
|
|
|
$sql .= ' ON DELETE ' . $delete;
|
|
|
|
}
|
|
|
|
if ($update !== null) {
|
|
|
|
throw new Exception('Oracle does not support ON UPDATE clause.');
|
Fix batchInsert bug in oci. default batchInsert sql is ``` insert into tableName(col1, col2, col3...) value(`col11`, `col12`,`col13`.... ),(`col21`, `col22`,`col23`.... ); ``` which is illegal in oracle db. Change it to ``` insert into tableName(col1, col2, col3...) select 'col11', 'col12', 'col13' from dual union select 'col21', 'col22', 'col23' from dual union select 'col31', 'col32', 'col33' from dual; ```
10 years ago
|
|
|
}
|
|
|
|
|
|
|
|
return $sql;
|
Fix batchInsert bug in oci. default batchInsert sql is ``` insert into tableName(col1, col2, col3...) value(`col11`, `col12`,`col13`.... ),(`col21`, `col22`,`col23`.... ); ``` which is illegal in oracle db. Change it to ``` insert into tableName(col1, col2, col3...) select 'col11', 'col12', 'col13' from dual union select 'col21', 'col22', 'col23' from dual union select 'col31', 'col32', 'col33' from dual; ```
10 years ago
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @inheritdoc
|
|
|
|
*/
|
|
|
|
public function insert($table, $columns, &$params)
|
|
|
|
{
|
|
|
|
$schema = $this->db->getSchema();
|
|
|
|
if (($tableSchema = $schema->getTableSchema($table)) !== null) {
|
|
|
|
$columnSchemas = $tableSchema->columns;
|
|
|
|
} else {
|
|
|
|
$columnSchemas = [];
|
|
|
|
}
|
|
|
|
$names = [];
|
|
|
|
$placeholders = [];
|
|
|
|
$values = ' DEFAULT VALUES';
|
|
|
|
if ($columns instanceof \yii\db\Query) {
|
|
|
|
list($names, $values, $params) = $this->prepareInsertSelectSubQuery($columns, $schema, $params);
|
|
|
|
} else {
|
|
|
|
foreach ($columns as $name => $value) {
|
|
|
|
$names[] = $schema->quoteColumnName($name);
|
|
|
|
if ($value instanceof Expression) {
|
|
|
|
$placeholders[] = $value->expression;
|
|
|
|
foreach ($value->params as $n => $v) {
|
|
|
|
$params[$n] = $v;
|
|
|
|
}
|
|
|
|
} elseif ($value instanceof \yii\db\Query) {
|
|
|
|
list($sql, $params) = $this->build($value, $params);
|
|
|
|
$placeholders[] = "($sql)";
|
|
|
|
} else {
|
|
|
|
$phName = self::PARAM_PREFIX . count($params);
|
|
|
|
$placeholders[] = $phName;
|
|
|
|
$params[$phName] = !is_array($value) && isset($columnSchemas[$name]) ? $columnSchemas[$name]->dbTypecast($value) : $value;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (empty($names) && $tableSchema !== null) {
|
|
|
|
$columns = !empty($tableSchema->primaryKey) ? $tableSchema->primaryKey : [reset($tableSchema->columns)->name];
|
|
|
|
foreach ($columns as $name) {
|
|
|
|
$names[] = $schema->quoteColumnName($name);
|
|
|
|
$placeholders[] = 'DEFAULT';
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return 'INSERT INTO ' . $schema->quoteTableName($table)
|
|
|
|
. (!empty($names) ? ' (' . implode(', ', $names) . ')' : '')
|
|
|
|
. (!empty($placeholders) ? ' VALUES (' . implode(', ', $placeholders) . ')' : $values);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Generates a batch INSERT SQL statement.
|
|
|
|
* For example,
|
|
|
|
*
|
|
|
|
* ```php
|
|
|
|
* $sql = $queryBuilder->batchInsert('user', ['name', 'age'], [
|
|
|
|
* ['Tom', 30],
|
|
|
|
* ['Jane', 20],
|
|
|
|
* ['Linda', 25],
|
|
|
|
* ]);
|
|
|
|
* ```
|
|
|
|
*
|
|
|
|
* Note that the values in each row must match the corresponding column names.
|
|
|
|
*
|
|
|
|
* @param string $table the table that new rows will be inserted into.
|
|
|
|
* @param array $columns the column names
|
|
|
|
* @param array|\Generator $rows the rows to be batch inserted into the table
|
|
|
|
* @return string the batch INSERT SQL statement
|
|
|
|
*/
|
|
|
|
public function batchInsert($table, $columns, $rows)
|
|
|
|
{
|
|
|
|
if (empty($rows)) {
|
|
|
|
return '';
|
|
|
|
}
|
|
|
|
|
|
|
|
$schema = $this->db->getSchema();
|
|
|
|
if (($tableSchema = $schema->getTableSchema($table)) !== null) {
|
|
|
|
$columnSchemas = $tableSchema->columns;
|
|
|
|
} else {
|
|
|
|
$columnSchemas = [];
|
|
|
|
}
|
|
|
|
|
|
|
|
$values = [];
|
|
|
|
foreach ($rows as $row) {
|
|
|
|
$vs = [];
|
|
|
|
foreach ($row as $i => $value) {
|
|
|
|
if (isset($columns[$i], $columnSchemas[$columns[$i]]) && !is_array($value)) {
|
|
|
|
$value = $columnSchemas[$columns[$i]]->dbTypecast($value);
|
|
|
|
}
|
|
|
|
if (is_string($value)) {
|
|
|
|
$value = $schema->quoteValue($value);
|
|
|
|
} elseif (is_float($value)) {
|
|
|
|
// ensure type cast always has . as decimal separator in all locales
|
|
|
|
$value = str_replace(',', '.', (string) $value);
|
|
|
|
} elseif ($value === false) {
|
|
|
|
$value = 0;
|
|
|
|
} elseif ($value === null) {
|
|
|
|
$value = 'NULL';
|
|
|
|
}
|
|
|
|
$vs[] = $value;
|
|
|
|
}
|
|
|
|
$values[] = '(' . implode(', ', $vs) . ')';
|
|
|
|
}
|
|
|
|
if (empty($values)) {
|
|
|
|
return '';
|
|
|
|
}
|
|
|
|
|
|
|
|
foreach ($columns as $i => $name) {
|
|
|
|
$columns[$i] = $schema->quoteColumnName($name);
|
|
|
|
}
|
|
|
|
|
|
|
|
$tableAndColumns = ' INTO ' . $schema->quoteTableName($table)
|
|
|
|
. ' (' . implode(', ', $columns) . ') VALUES ';
|
|
|
|
|
|
|
|
return 'INSERT ALL ' . $tableAndColumns . implode($tableAndColumns, $values) . ' SELECT 1 FROM SYS.DUAL';
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @inheritdoc
|
|
|
|
* @since 2.0.8
|
|
|
|
*/
|
|
|
|
public function selectExists($rawSql)
|
|
|
|
{
|
|
|
|
return 'SELECT CASE WHEN EXISTS(' . $rawSql . ') THEN 1 ELSE 0 END FROM DUAL';
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @inheritdoc
|
|
|
|
* @since 2.0.8
|
|
|
|
*/
|
|
|
|
public function dropCommentFromColumn($table, $column)
|
|
|
|
{
|
|
|
|
return 'COMMENT ON COLUMN ' . $this->db->quoteTableName($table) . '.' . $this->db->quoteColumnName($column) . " IS ''";
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @inheritdoc
|
|
|
|
* @since 2.0.8
|
|
|
|
*/
|
|
|
|
public function dropCommentFromTable($table)
|
|
|
|
{
|
|
|
|
return 'COMMENT ON TABLE ' . $this->db->quoteTableName($table) . " IS ''";
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @inheritDoc
|
|
|
|
*/
|
|
|
|
public function buildLikeCondition($operator, $operands, &$params)
|
|
|
|
{
|
|
|
|
if (!isset($this->likeEscapingReplacements['\\'])) {
|
|
|
|
/*
|
|
|
|
* Different pdo_oci8 versions may or may not implement PDO::quote(), so
|
|
|
|
* yii\db\Schema::quoteValue() may or may not quote \.
|
|
|
|
*/
|
|
|
|
$this->likeEscapingReplacements['\\'] = substr($this->db->quoteValue('\\'), 1, -1);
|
|
|
|
}
|
|
|
|
return parent::buildLikeCondition($operator, $operands, $params);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @inheritdoc
|
|
|
|
*/
|
|
|
|
public function buildInCondition($operator, $operands, &$params)
|
|
|
|
{
|
|
|
|
$splitCondition = $this->splitInCondition($operator, $operands, $params);
|
|
|
|
if ($splitCondition !== null) {
|
|
|
|
return $splitCondition;
|
|
|
|
}
|
|
|
|
|
|
|
|
return parent::buildInCondition($operator, $operands, $params);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Oracle DBMS does not support more than 1000 parameters in `IN` condition.
|
|
|
|
* This method splits long `IN` condition into series of smaller ones.
|
|
|
|
*
|
|
|
|
* @param string $operator
|
|
|
|
* @param array $operands
|
|
|
|
* @param array $params
|
|
|
|
* @return null|string null when split is not required. Otherwise - built SQL condition.
|
|
|
|
* @throws Exception
|
|
|
|
* @since 2.0.12
|
|
|
|
*/
|
|
|
|
protected function splitInCondition($operator, $operands, &$params)
|
|
|
|
{
|
|
|
|
if (!isset($operands[0], $operands[1])) {
|
|
|
|
throw new Exception("Operator '$operator' requires two operands.");
|
|
|
|
}
|
|
|
|
|
|
|
|
list($column, $values) = $operands;
|
|
|
|
|
|
|
|
if ($values instanceof \Traversable) {
|
|
|
|
$values = iterator_to_array($values);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!is_array($values)) {
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
|
|
|
|
$maxParameters = 1000;
|
|
|
|
$count = count($values);
|
|
|
|
if ($count <= $maxParameters) {
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
|
|
|
|
$condition = [($operator === 'IN') ? 'OR' : 'AND'];
|
|
|
|
for ($i = 0; $i < $count; $i += $maxParameters) {
|
|
|
|
$condition[] = [$operator, $column, array_slice($values, $i, $maxParameters)];
|
|
|
|
}
|
|
|
|
|
|
|
|
return $this->buildCondition(['AND', $condition], $params);
|
|
|
|
}
|
|
|
|
}
|