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-rw-r--r--framework/Data/Common/TDbCommandBuilder.php1017
1 files changed, 509 insertions, 508 deletions
diff --git a/framework/Data/Common/TDbCommandBuilder.php b/framework/Data/Common/TDbCommandBuilder.php
index 2e772e73..0dc13e7e 100644
--- a/framework/Data/Common/TDbCommandBuilder.php
+++ b/framework/Data/Common/TDbCommandBuilder.php
@@ -1,508 +1,509 @@
-<?php
-/**
- * TDbCommandBuilder class file.
- *
- * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
- * @link http://www.pradosoft.com/
- * @copyright Copyright &copy; 2005-2010 PradoSoft
- * @license http://www.pradosoft.com/license/
- * @version $Id$
- * @package System.Data.Common
- */
-
-/**
- * TDbCommandBuilder provides basic methods to create query commands for tables
- * giving by {@link setTableInfo TableInfo} the property.
- *
- * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @version $Id$
- * @package System.Data.Common
- * @since 3.1
- */
-class TDbCommandBuilder extends TComponent
-{
- private $_connection;
- private $_tableInfo;
-
- /**
- * @param TDbConnection database connection.
- * @param TDbTableInfo table information.
- */
- public function __construct($connection=null, $tableInfo=null)
- {
- parent::__construct();
- $this->setDbConnection($connection);
- $this->setTableInfo($tableInfo);
- }
-
- /**
- * @return TDbConnection database connection.
- */
- public function getDbConnection()
- {
- return $this->_connection;
- }
-
- /**
- * @param TDbConnection database connection.
- */
- public function setDbConnection($value)
- {
- $this->_connection=$value;
- }
-
- /**
- * @param TDbTableInfo table information.
- */
- public function setTableInfo($value)
- {
- $this->_tableInfo=$value;
- }
-
- /**
- * @param TDbTableInfo table information.
- */
- public function getTableInfo()
- {
- return $this->_tableInfo;
- }
-
- /**
- * Iterate through all the columns and returns the last insert id of the
- * first column that has a sequence or serial.
- * @return mixed last insert id, null if none is found.
- */
- public function getLastInsertID()
- {
- foreach($this->getTableInfo()->getColumns() as $column)
- {
- if($column->hasSequence())
- return $this->getDbConnection()->getLastInsertID($column->getSequenceName());
- }
- }
-
- /**
- * Alters the sql to apply $limit and $offset. Default implementation is applicable
- * for PostgreSQL, MySQL and SQLite.
- * @param string SQL query string.
- * @param integer maximum number of rows, -1 to ignore limit.
- * @param integer row offset, -1 to ignore offset.
- * @return string SQL with limit and offset.
- */
- public function applyLimitOffset($sql, $limit=-1, $offset=-1)
- {
- $limit = $limit!==null ? (int)$limit : -1;
- $offset = $offset!==null ? (int)$offset : -1;
- $limitStr = $limit >= 0 ? ' LIMIT '.$limit : '';
- $offsetStr = $offset >= 0 ? ' OFFSET '.$offset : '';
- return $sql.$limitStr.$offsetStr;
- }
-
- /**
- * @param string SQL string without existing ordering.
- * @param array pairs of column names as key and direction as value.
- * @return string modified SQL applied with ORDER BY.
- */
- public function applyOrdering($sql, $ordering)
- {
- $orders=array();
- foreach($ordering as $name => $direction)
- {
- $direction = strtolower($direction) == 'desc' ? 'DESC' : 'ASC';
- if(false !== strpos($name, '(') && false !== strpos($name, ')')) {
- // key is a function (bad practice, but we need to handle it)
- $key = $name;
- } else {
- // key is a column
- $key = $this->getTableInfo()->getColumn($name)->getColumnName();
- }
- $orders[] = $key.' '.$direction;
- }
- if(count($orders) > 0)
- $sql .= ' ORDER BY '.implode(', ', $orders);
- return $sql;
- }
-
- /**
- * Computes the SQL condition for search a set of column using regular expression
- * (or LIKE, depending on database implementation) to match a string of
- * keywords (default matches all keywords).
- * @param array list of column id for potential search condition.
- * @param string string of keywords
- * @return string SQL search condition matching on a set of columns.
- */
- public function getSearchExpression($fields, $keywords)
- {
- if(strlen(trim($keywords)) == 0) return '';
- $words = preg_split('/\s/u', $keywords);
- $conditions = array();
- foreach($fields as $field)
- {
- $column = $this->getTableInfo()->getColumn($field)->getColumnName();
- $conditions[] = $this->getSearchCondition($column, $words);
- }
- return '('.implode(' OR ', $conditions).')';
- }
-
- /**
- * @param string column name.
- * @param array keywords
- * @return string search condition for all words in one column.
- */
- protected function getSearchCondition($column, $words)
- {
- $conditions=array();
- foreach($words as $word)
- $conditions[] = $column.' LIKE '.$this->getDbConnection()->quoteString('%'.$word.'%');
- return '('.implode(' AND ', $conditions).')';
- }
-
- /**
- *
- * Different behavior depends on type of passed data
- * string
- * usage without modification
- *
- * null
- * will be expanded to full list of quoted table column names (quoting depends on database)
- *
- * array
- * - Column names will be quoted if used as key or value of array
- * <code>
- * array('col1', 'col2', 'col2')
- * // SELECT `col1`, `col2`, `col3` FROM...
- * </code>
- *
- * - Column aliasing
- * <code>
- * array('mycol1' => 'col1', 'mycol2' => 'COUNT(*)')
- * // SELECT `col1` AS mycol1, COUNT(*) AS mycol2 FROM...
- * </code>
- *
- * - NULL and scalar values (strings will be quoted depending on database)
- * <code>
- * array('col1' => 'my custom string', 'col2' => 1.0, 'col3' => 'NULL')
- * // SELECT "my custom string" AS `col1`, 1.0 AS `col2`, NULL AS `col3` FROM...
- * </code>
- *
- * - If the *-wildcard char is used as key or value, add the full list of quoted table column names
- * <code>
- * array('col1' => 'NULL', '*')
- * // SELECT `col1`, `col2`, `col3`, NULL AS `col1` FROM...
- * </code>
- * @param mixed $value
- * @return array of generated fields - use implode(', ', $selectfieldlist) to collapse field list for usage
- * @since 3.1.7
- * @todo add support for table aliasing
- * @todo add support for quoting of column aliasing
- */
- public function getSelectFieldList($data='*') {
- if(is_scalar($data)) {
- $tmp = explode(',', $data);
- $result = array();
- foreach($tmp as $v)
- $result[] = trim($v);
- return $result;
- }
-
- $bHasWildcard = false;
- $result = array();
- if(is_array($data) || $data instanceof Traversable) {
- $columns = $this->getTableInfo()->getColumns();
- foreach($data as $key=>$value) {
- if($key==='*' || $value==='*') {
- $bHasWildcard = true;
- continue;
- }
-
- if(strToUpper($key)==='NULL') {
- $result[] = 'NULL';
- continue;
- }
-
- if(strpos($key, '(')!==false && strpos($key, ')')!==false) {
- $result[] = $key;
- continue;
- }
-
- if(stripos($key, 'AS')!==false) {
- $result[] = $key;
- continue;
- }
-
- if(stripos($value, 'AS')!==false) {
- $result[] = $value;
- continue;
- }
-
- $v = isset($columns[$value]);
- $k = isset($columns[$key]);
- if(is_integer($key) && $v) {
- $key = $value;
- $k = $v;
- }
-
- if(strToUpper($value)==='NULL') {
- if($k)
- $result[] = 'NULL AS ' . $columns[$key]->getColumnName();
- else
- $result[] = 'NULL' . (is_string($key) ? (' AS ' . (string)$key) : '');
- continue;
- }
-
- if(strpos($value, '(')!==false && strpos($value, ')')!==false) {
- if($k)
- $result[] = $value . ' AS ' . $columns[$key]->getColumnName();
- else
- $result[] = $value . (is_string($key) ? (' AS ' . (string)$key) : '');
- continue;
- }
-
- if($v && $key==$value) {
- $result[] = $columns[$value]->getColumnName();
- continue;
- }
-
- if($k && $value==null) {
- $result[] = $columns[$key]->getColumnName();
- continue;
- }
-
- if(is_string($key) && $v) {
- $result[] = $columns[$value]->getColumnName() . ' AS ' . $key;
- continue;
- }
-
- if(is_numeric($value) && $k) {
- $result[] = $value . ' AS ' . $columns[$key]->getColumnName();
- continue;
- }
-
- if(is_string($value) && $k) {
- $result[] = $this->getDbConnection()->quoteString($value) . ' AS ' . $columns[$key]->getColumnName();
- continue;
- }
-
- if(!$v && !$k && is_integer($key)) {
- $result[] = is_numeric($value) ? $value : $this->getDbConnection()->quoteString((string)$value);
- continue;
- }
-
- $result[] = (is_numeric($value) ? $value : $this->getDbConnection()->quoteString((string)$value)) . ' AS ' . $key;
- }
- }
-
- if($data===null || count($result) == 0 || $bHasWildcard)
- $result = $result = array_merge($this->getTableInfo()->getColumnNames(), $result);
-
- return $result;
- }
-
- /**
- * Appends the $where condition to the string "SELECT * FROM tableName WHERE ".
- * The tableName is obtained from the {@link setTableInfo TableInfo} property.
- * @param string query condition
- * @param array condition parameters.
- * @return TDbCommand query command.
- */
- public function createFindCommand($where='1=1', $parameters=array(), $ordering=array(), $limit=-1, $offset=-1, $select='*')
- {
- $table = $this->getTableInfo()->getTableFullName();
- $fields = implode(', ', $this -> getSelectFieldList($select));
- $sql = "SELECT {$fields} FROM {$table}";
- if(!empty($where))
- $sql .= " WHERE {$where}";
- return $this->applyCriterias($sql, $parameters, $ordering, $limit, $offset);
- }
-
- public function applyCriterias($sql, $parameters=array(),$ordering=array(), $limit=-1, $offset=-1)
- {
- if(count($ordering) > 0)
- $sql = $this->applyOrdering($sql, $ordering);
- if($limit>=0 || $offset>=0)
- $sql = $this->applyLimitOffset($sql, $limit, $offset);
- $command = $this->createCommand($sql);
- $this->bindArrayValues($command, $parameters);
- return $command;
- }
-
- /**
- * Creates a count(*) command for the table described in {@link setTableInfo TableInfo}.
- * @param string count condition.
- * @param array binding parameters.
- * @return TDbCommand count command.
- */
- public function createCountCommand($where='1=1', $parameters=array(),$ordering=array(), $limit=-1, $offset=-1)
- {
- return $this->createFindCommand($where, $parameters, $ordering, $limit, $offset, 'COUNT(*)');
- }
-
- /**
- * Creates a delete command for the table described in {@link setTableInfo TableInfo}.
- * The conditions for delete is given by the $where argument and the parameters
- * for the condition is given by $parameters.
- * @param string delete condition.
- * @param array delete parameters.
- * @return TDbCommand delete command.
- */
- public function createDeleteCommand($where,$parameters=array())
- {
- $table = $this->getTableInfo()->getTableFullName();
- if (!empty($where))
- $where = ' WHERE '.$where;
- $command = $this->createCommand("DELETE FROM {$table}".$where);
- $this->bindArrayValues($command, $parameters);
- return $command;
- }
-
- /**
- * Creates an insert command for the table described in {@link setTableInfo TableInfo} for the given data.
- * Each array key in the $data array must correspond to the column name of the table
- * (if a column allows to be null, it may be omitted) to be inserted with
- * the corresponding array value.
- * @param array name-value pairs of new data to be inserted.
- * @return TDbCommand insert command
- */
- public function createInsertCommand($data)
- {
- $table = $this->getTableInfo()->getTableFullName();
- list($fields, $bindings) = $this->getInsertFieldBindings($data);
- $command = $this->createCommand("INSERT INTO {$table}({$fields}) VALUES ($bindings)");
- $this->bindColumnValues($command, $data);
- return $command;
- }
-
- /**
- * Creates an update command for the table described in {@link setTableInfo TableInfo} for the given data.
- * Each array key in the $data array must correspond to the column name to be updated with the corresponding array value.
- * @param array name-value pairs of data to be updated.
- * @param string update condition.
- * @param array update parameters.
- * @return TDbCommand update command.
- */
- public function createUpdateCommand($data, $where, $parameters=array())
- {
- $table = $this->getTableInfo()->getTableFullName();
- if($this->hasIntegerKey($parameters))
- $fields = implode(', ', $this->getColumnBindings($data, true));
- else
- $fields = implode(', ', $this->getColumnBindings($data));
-
- if (!empty($where))
- $where = ' WHERE '.$where;
- $command = $this->createCommand("UPDATE {$table} SET {$fields}".$where);
- $this->bindArrayValues($command, array_merge($data, $parameters));
- return $command;
- }
-
- /**
- * Returns a list of insert field name and a list of binding names.
- * @param object array or object to be inserted.
- * @return array tuple ($fields, $bindings)
- */
- protected function getInsertFieldBindings($values)
- {
- $fields = array(); $bindings=array();
- foreach(array_keys($values) as $name)
- {
- $fields[] = $this->getTableInfo()->getColumn($name)->getColumnName();
- $bindings[] = ':'.$name;
- }
- return array(implode(', ',$fields), implode(', ', $bindings));
- }
-
- /**
- * Create a name-value or position-value if $position=true binding strings.
- * @param array data for binding.
- * @param boolean true to bind as position values.
- * @return string update column names with corresponding binding substrings.
- */
- protected function getColumnBindings($values, $position=false)
- {
- $bindings=array();
- foreach(array_keys($values) as $name)
- {
- $column = $this->getTableInfo()->getColumn($name)->getColumnName();
- $bindings[] = $position ? $column.' = ?' : $column.' = :'.$name;
- }
- return $bindings;
- }
-
- /**
- * @param string SQL query string.
- * @return TDbCommand corresponding database command.
- */
- public function createCommand($sql)
- {
- $this->getDbConnection()->setActive(true);
- return $this->getDbConnection()->createCommand($sql);
- }
-
- /**
- * Bind the name-value pairs of $values where the array keys correspond to column names.
- * @param TDbCommand database command.
- * @param array name-value pairs.
- */
- public function bindColumnValues($command, $values)
- {
- foreach($values as $name=>$value)
- {
- $column = $this->getTableInfo()->getColumn($name);
- if($value === null && $column->getAllowNull())
- $command->bindValue(':'.$name, null, PDO::PARAM_NULL);
- else
- $command->bindValue(':'.$name, $value, $column->getPdoType());
- }
- }
-
- /**
- * @param TDbCommand database command
- * @param array values for binding.
- */
- public function bindArrayValues($command, $values)
- {
- if($this->hasIntegerKey($values))
- {
- $values = array_values($values);
- for($i = 0, $max=count($values); $i<$max; $i++)
- $command->bindValue($i+1, $values[$i], $this->getPdoType($values[$i]));
- }
- else
- {
- foreach($values as $name=>$value)
- {
- $prop = $name[0]===':' ? $name : ':'.$name;
- $command->bindValue($prop, $value, $this->getPdoType($value));
- }
- }
- }
-
- /**
- * @param mixed PHP value
- * @return integer PDO parameter types.
- */
- public static function getPdoType($value)
- {
- switch(gettype($value))
- {
- case 'boolean': return PDO::PARAM_BOOL;
- case 'integer': return PDO::PARAM_INT;
- case 'string' : return PDO::PARAM_STR;
- case 'NULL' : return PDO::PARAM_NULL;
- }
- }
-
- /**
- * @param array
- * @return boolean true if any array key is an integer.
- */
- protected function hasIntegerKey($array)
- {
- foreach($array as $k=>$v)
- {
- if(gettype($k)==='integer')
- return true;
- }
- return false;
- }
-}
+<?php
+/**
+ * TDbCommandBuilder class file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2005-2008 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Id$
+ * @package System.Data.Common
+ */
+
+/**
+ * TDbCommandBuilder provides basic methods to create query commands for tables
+ * giving by {@link setTableInfo TableInfo} the property.
+ *
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
+ * @version $Id$
+ * @package System.Data.Common
+ * @since 3.1
+ */
+class TDbCommandBuilder extends TComponent
+{
+ private $_connection;
+ private $_tableInfo;
+
+ /**
+ * @param TDbConnection database connection.
+ * @param TDbTableInfo table information.
+ */
+ public function __construct($connection=null, $tableInfo=null)
+ {
+ $this->setDbConnection($connection);
+ $this->setTableInfo($tableInfo);
+ }
+
+ /**
+ * @return TDbConnection database connection.
+ */
+ public function getDbConnection()
+ {
+ return $this->_connection;
+ }
+
+ /**
+ * @param TDbConnection database connection.
+ */
+ public function setDbConnection($value)
+ {
+ $this->_connection=$value;
+ }
+
+ /**
+ * @param TDbTableInfo table information.
+ */
+ public function setTableInfo($value)
+ {
+ $this->_tableInfo=$value;
+ }
+
+ /**
+ * @param TDbTableInfo table information.
+ */
+ public function getTableInfo()
+ {
+ return $this->_tableInfo;
+ }
+
+ /**
+ * Iterate through all the columns and returns the last insert id of the
+ * first column that has a sequence or serial.
+ * @return mixed last insert id, null if none is found.
+ */
+ public function getLastInsertID()
+ {
+ foreach($this->getTableInfo()->getColumns() as $column)
+ {
+ if($column->hasSequence())
+ return $this->getDbConnection()->getLastInsertID($column->getSequenceName());
+ }
+ }
+
+ /**
+ * Alters the sql to apply $limit and $offset. Default implementation is applicable
+ * for PostgreSQL, MySQL and SQLite.
+ * @param string SQL query string.
+ * @param integer maximum number of rows, -1 to ignore limit.
+ * @param integer row offset, -1 to ignore offset.
+ * @return string SQL with limit and offset.
+ */
+ public function applyLimitOffset($sql, $limit=-1, $offset=-1)
+ {
+ $limit = $limit!==null ? (int)$limit : -1;
+ $offset = $offset!==null ? (int)$offset : -1;
+ $limitStr = $limit >= 0 ? ' LIMIT '.$limit : '';
+ $offsetStr = $offset >= 0 ? ' OFFSET '.$offset : '';
+ return $sql.$limitStr.$offsetStr;
+ }
+
+ /**
+ * @param string SQL string without existing ordering.
+ * @param array pairs of column names as key and direction as value.
+ * @return string modified SQL applied with ORDER BY.
+ */
+ public function applyOrdering($sql, $ordering)
+ {
+ $orders=array();
+ foreach($ordering as $name => $direction)
+ {
+ $direction = strtolower($direction) == 'desc' ? 'DESC' : 'ASC';
+ if(strpos($name, '(') && strpos($name, ')')) {
+ // key is a function (bad practice, but we need to handle it)
+ $key = $name;
+ } else {
+ // key is a column
+ $key = $this->getTableInfo()->getColumn($name)->getColumnName();
+ }
+ $orders[] = $key.' '.$direction;
+ }
+ if(count($orders) > 0)
+ $sql .= ' ORDER BY '.implode(', ', $orders);
+ return $sql;
+ }
+
+ /**
+ * Computes the SQL condition for search a set of column using regular expression
+ * (or LIKE, depending on database implementation) to match a string of
+ * keywords (default matches all keywords).
+ * @param array list of column id for potential search condition.
+ * @param string string of keywords
+ * @return string SQL search condition matching on a set of columns.
+ */
+ public function getSearchExpression($fields, $keywords)
+ {
+ if(strlen(trim($keywords)) == 0) return '';
+ $words = preg_split('/\s/u', $keywords);
+ $conditions = array();
+ foreach($fields as $field)
+ {
+ $column = $this->getTableInfo()->getColumn($field)->getColumnName();
+ $conditions[] = $this->getSearchCondition($column, $words);
+ }
+ return '('.implode(' OR ', $conditions).')';
+ }
+
+ /**
+ * @param string column name.
+ * @param array keywords
+ * @return string search condition for all words in one column.
+ */
+ protected function getSearchCondition($column, $words)
+ {
+ $conditions=array();
+ foreach($words as $word)
+ $conditions[] = $column.' LIKE '.$this->getDbConnection()->quoteString('%'.$word.'%');
+ return '('.implode(' AND ', $conditions).')';
+ }
+
+ /**
+ *
+ * Different behavior depends on type of passed data
+ * string
+ * usage without modification
+ *
+ * null
+ * will be expanded to full list of quoted table column names (quoting depends on database)
+ *
+ * array
+ * - Column names will be quoted if used as key or value of array
+ * <code>
+ * array('col1', 'col2', 'col2')
+ * // SELECT `col1`, `col2`, `col3` FROM...
+ * </code>
+ *
+ * - Column aliasing
+ * <code>
+ * array('mycol1' => 'col1', 'mycol2' => 'COUNT(*)')
+ * // SELECT `col1` AS mycol1, COUNT(*) AS mycol2 FROM...
+ * </code>
+ *
+ * - NULL and scalar values (strings will be quoted depending on database)
+ * <code>
+ * array('col1' => 'my custom string', 'col2' => 1.0, 'col3' => 'NULL')
+ * // SELECT "my custom string" AS `col1`, 1.0 AS `col2`, NULL AS `col3` FROM...
+ * </code>
+ *
+ * - If the *-wildcard char is used as key or value, add the full list of quoted table column names
+ * <code>
+ * array('col1' => 'NULL', '*')
+ * // SELECT `col1`, `col2`, `col3`, NULL AS `col1` FROM...
+ * </code>
+ * @param mixed $value
+ * @return array of generated fields - use implode(', ', $selectfieldlist) to collapse field list for usage
+ * @since 3.1.7
+ * @todo add support for table aliasing
+ * @todo add support for quoting of column aliasing
+ */
+ public function getSelectFieldList($data='*') {
+ if(is_scalar($data)) {
+ $tmp = explode(',', $data);
+ $result = array();
+ foreach($tmp as $v)
+ $result[] = trim($v);
+ return $result;
+ }
+
+ $bHasWildcard = false;
+ $result = array();
+ if(is_array($data) || $data instanceof Traversable) {
+ $columns = $this->getTableInfo()->getColumns();
+ foreach($data as $key=>$value) {
+ if($key==='*' || $value==='*') {
+ $bHasWildcard = true;
+ continue;
+ }
+
+ if(strToUpper($key)==='NULL') {
+ $result[] = 'NULL';
+ continue;
+ }
+
+ if(strpos($key, '(')!==false && strpos($key, ')')!==false) {
+ $result[] = $key;
+ continue;
+ }
+
+ if(stripos($key, 'AS')!==false) {
+ $result[] = $key;
+ continue;
+ }
+
+ if(stripos($value, 'AS')!==false) {
+ $result[] = $value;
+ continue;
+ }
+
+ $v = isset($columns[$value]);
+ $k = isset($columns[$key]);
+ if(is_integer($key) && $v) {
+ $key = $value;
+ $k = $v;
+ }
+
+ if(strToUpper($value)==='NULL') {
+ if($k)
+ $result[] = 'NULL AS ' . $columns[$key]->getColumnName();
+ else
+ $result[] = 'NULL' . (is_string($key) ? (' AS ' . (string)$key) : '');
+ continue;
+ }
+
+ if(strpos($value, '(')!==false && strpos($value, ')')!==false) {
+ if($k)
+ $result[] = $value . ' AS ' . $columns[$key]->getColumnName();
+ else
+ $result[] = $value . (is_string($key) ? (' AS ' . (string)$key) : '');
+ continue;
+ }
+
+ if($v && $key==$value) {
+ $result[] = $columns[$value]->getColumnName();
+ continue;
+ }
+
+ if($k && $value==null) {
+ $result[] = $columns[$key]->getColumnName();
+ continue;
+ }
+
+ if(is_string($key) && $v) {
+ $result[] = $columns[$value]->getColumnName() . ' AS ' . $key;
+ continue;
+ }
+
+ if(is_numeric($value) && $k) {
+ $result[] = $value . ' AS ' . $columns[$key]->getColumnName();
+ continue;
+ }
+
+ if(is_string($value) && $k) {
+ $result[] = $this->getDbConnection()->quoteString($value) . ' AS ' . $columns[$key]->getColumnName();
+ continue;
+ }
+
+ if(!$v && !$k && is_integer($key)) {
+ $result[] = is_numeric($value) ? $value : $this->getDbConnection()->quoteString((string)$value);
+ continue;
+ }
+
+ $result[] = (is_numeric($value) ? $value : $this->getDbConnection()->quoteString((string)$value)) . ' AS ' . $key;
+ }
+ }
+
+ if($data===null || count($result) == 0 || $bHasWildcard)
+ $result = $result = array_merge($this->getTableInfo()->getColumnNames(), $result);
+
+ return $result;
+ }
+
+ /**
+ * Appends the $where condition to the string "SELECT * FROM tableName WHERE ".
+ * The tableName is obtained from the {@link setTableInfo TableInfo} property.
+ * @param string query condition
+ * @param array condition parameters.
+ * @return TDbCommand query command.
+ */
+ public function createFindCommand($where='1=1', $parameters=array(), $ordering=array(), $limit=-1, $offset=-1, $select='*')
+ {
+ $table = $this->getTableInfo()->getTableFullName();
+ $fields = implode(', ', $this -> getSelectFieldList($select));
+ $sql = "SELECT {$fields} FROM {$table}";
+ if(!empty($where))
+ $sql .= " WHERE {$where}";
+ return $this->applyCriterias($sql, $parameters, $ordering, $limit, $offset);
+ }
+
+ public function applyCriterias($sql, $parameters=array(),$ordering=array(), $limit=-1, $offset=-1)
+ {
+ if(count($ordering) > 0)
+ $sql = $this->applyOrdering($sql, $ordering);
+ if($limit>=0 || $offset>=0)
+ $sql = $this->applyLimitOffset($sql, $limit, $offset);
+ $command = $this->createCommand($sql);
+ $this->bindArrayValues($command, $parameters);
+ return $command;
+ }
+
+ /**
+ * Creates a count(*) command for the table described in {@link setTableInfo TableInfo}.
+ * @param string count condition.
+ * @param array binding parameters.
+ * @return TDbCommand count command.
+ */
+ public function createCountCommand($where='1=1', $parameters=array(),$ordering=array(), $limit=-1, $offset=-1)
+ {
+ return $this->createFindCommand($where, $parameters, $ordering, $limit, $offset, 'COUNT(*)');
+ }
+
+ /**
+ * Creates a delete command for the table described in {@link setTableInfo TableInfo}.
+ * The conditions for delete is given by the $where argument and the parameters
+ * for the condition is given by $parameters.
+ * @param string delete condition.
+ * @param array delete parameters.
+ * @return TDbCommand delete command.
+ */
+ public function createDeleteCommand($where,$parameters=array())
+ {
+ $table = $this->getTableInfo()->getTableFullName();
+ if (!empty($where))
+ $where = ' WHERE '.$where;
+ $command = $this->createCommand("DELETE FROM {$table}".$where);
+ $this->bindArrayValues($command, $parameters);
+ return $command;
+ }
+
+ /**
+ * Creates an insert command for the table described in {@link setTableInfo TableInfo} for the given data.
+ * Each array key in the $data array must correspond to the column name of the table
+ * (if a column allows to be null, it may be omitted) to be inserted with
+ * the corresponding array value.
+ * @param array name-value pairs of new data to be inserted.
+ * @return TDbCommand insert command
+ */
+ public function createInsertCommand($data)
+ {
+ $table = $this->getTableInfo()->getTableFullName();
+ list($fields, $bindings) = $this->getInsertFieldBindings($data);
+ $command = $this->createCommand("INSERT INTO {$table}({$fields}) VALUES ($bindings)");
+ $this->bindColumnValues($command, $data);
+ return $command;
+ }
+
+ /**
+ * Creates an update command for the table described in {@link setTableInfo TableInfo} for the given data.
+ * Each array key in the $data array must correspond to the column name to be updated with the corresponding array value.
+ * @param array name-value pairs of data to be updated.
+ * @param string update condition.
+ * @param array update parameters.
+ * @return TDbCommand update command.
+ */
+ public function createUpdateCommand($data, $where, $parameters=array())
+ {
+ $table = $this->getTableInfo()->getTableFullName();
+ if($this->hasIntegerKey($parameters))
+ $fields = implode(', ', $this->getColumnBindings($data, true));
+ else
+ $fields = implode(', ', $this->getColumnBindings($data));
+
+ if (!empty($where))
+ $where = ' WHERE '.$where;
+ $command = $this->createCommand("UPDATE {$table} SET {$fields}".$where);
+ $this->bindArrayValues($command, array_merge($data, $parameters));
+ return $command;
+ }
+
+ /**
+ * Returns a list of insert field name and a list of binding names.
+ * @param object array or object to be inserted.
+ * @return array tuple ($fields, $bindings)
+ */
+ protected function getInsertFieldBindings($values)
+ {
+ $fields = array(); $bindings=array();
+ foreach(array_keys($values) as $name)
+ {
+ $fields[] = $this->getTableInfo()->getColumn($name)->getColumnName();
+ $bindings[] = ':'.$name;
+ }
+ return array(implode(', ',$fields), implode(', ', $bindings));
+ }
+
+ /**
+ * Create a name-value or position-value if $position=true binding strings.
+ * @param array data for binding.
+ * @param boolean true to bind as position values.
+ * @return string update column names with corresponding binding substrings.
+ */
+ protected function getColumnBindings($values, $position=false)
+ {
+ $bindings=array();
+ foreach(array_keys($values) as $name)
+ {
+ $column = $this->getTableInfo()->getColumn($name)->getColumnName();
+ $bindings[] = $position ? $column.' = ?' : $column.' = :'.$name;
+ }
+ return $bindings;
+ }
+
+ /**
+ * @param string SQL query string.
+ * @return TDbCommand corresponding database command.
+ */
+ public function createCommand($sql)
+ {
+ $this->getDbConnection()->setActive(true);
+ return $this->getDbConnection()->createCommand($sql);
+ }
+
+ /**
+ * Bind the name-value pairs of $values where the array keys correspond to column names.
+ * @param TDbCommand database command.
+ * @param array name-value pairs.
+ */
+ public function bindColumnValues($command, $values)
+ {
+ foreach($values as $name=>$value)
+ {
+ $column = $this->getTableInfo()->getColumn($name);
+ if($value === null && $column->getAllowNull())
+ $command->bindValue(':'.$name, null, PDO::PARAM_NULL);
+ else
+ $command->bindValue(':'.$name, $value, $column->getPdoType());
+ }
+ }
+
+ /**
+ * @param TDbCommand database command
+ * @param array values for binding.
+ */
+ public function bindArrayValues($command, $values)
+ {
+ if($this->hasIntegerKey($values))
+ {
+ $values = array_values($values);
+ for($i = 0, $max=count($values); $i<$max; $i++)
+ $command->bindValue($i+1, $values[$i], $this->getPdoType($values[$i]));
+ }
+ else
+ {
+ foreach($values as $name=>$value)
+ {
+ $prop = $name[0]===':' ? $name : ':'.$name;
+ $command->bindValue($prop, $value, $this->getPdoType($value));
+ }
+ }
+ }
+
+ /**
+ * @param mixed PHP value
+ * @return integer PDO parameter types.
+ */
+ public static function getPdoType($value)
+ {
+ switch(gettype($value))
+ {
+ case 'boolean': return PDO::PARAM_BOOL;
+ case 'integer': return PDO::PARAM_INT;
+ case 'string' : return PDO::PARAM_STR;
+ case 'NULL' : return PDO::PARAM_NULL;
+ }
+ }
+
+ /**
+ * @param array
+ * @return boolean true if any array key is an integer.
+ */
+ protected function hasIntegerKey($array)
+ {
+ foreach($array as $k=>$v)
+ {
+ if(gettype($k)==='integer')
+ return true;
+ }
+ return false;
+ }
+}
+
+?> \ No newline at end of file
generated by cgit v1.2.3 (git 2.46.0) at 2024-11-01 08:46:25 +0000