2023-01-20 11:30:51 -05:00
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<?php declare(strict_types=1);
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/**
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* Query
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*
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* SQL Query Builder / Database Abstraction Layer
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*
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* PHP version 8.1
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*
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* @package Query
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* @author Timothy J. Warren <tim@timshome.page>
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* @copyright 2012 - 2023 Timothy J. Warren
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* @license http://www.opensource.org/licenses/mit-license.html MIT License
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* @link https://git.timshomepage.net/aviat/Query
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2023-03-17 16:34:59 -04:00
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* @version 4.1.0
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*/
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2023-03-17 16:28:07 -04:00
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2023-01-20 11:30:51 -05:00
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namespace Query;
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use PDOStatement;
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use function is_array;
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use function is_int;
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use function mb_trim;
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2023-01-20 11:30:51 -05:00
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/**
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* Convenience class for creating sql queries
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*/
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class QueryBuilder extends QueryBuilderBase implements QueryBuilderInterface
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{
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// --------------------------------------------------------------------------
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// ! Select Queries
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// --------------------------------------------------------------------------
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/**
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* Specifies rows to select in a query
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*/
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public function select(string $fields): self
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{
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// Split fields by comma
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$fieldsArray = explode(',', $fields);
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$fieldsArray = array_map('mb_trim', $fieldsArray);
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// Split on 'As'
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foreach ($fieldsArray as $key => $field)
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{
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if (stripos($field, 'as') !== FALSE)
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{
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$fieldsArray[$key] = preg_split('` as `i', (string) $field);
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$fieldsArray[$key] = array_map('mb_trim', $fieldsArray[$key]);
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}
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}
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// Quote the identifiers
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$safeArray = $this->driver->quoteIdent($fieldsArray);
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unset($fieldsArray);
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// Join the strings back together
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foreach ($safeArray as $i => $iValue)
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{
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if (is_array($iValue))
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{
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$safeArray[$i] = implode(' AS ', $iValue);
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}
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}
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$this->state->appendSelectString(implode(', ', $safeArray));
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return $this;
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}
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/**
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* Selects the maximum value of a field from a query
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*/
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public function selectMax(string $field, bool|string $as=FALSE): self
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{
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// Create the select string
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$this->state->appendSelectString(' MAX' . $this->_select($field, $as));
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return $this;
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}
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/**
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* Selects the minimum value of a field from a query
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*/
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public function selectMin(string $field, bool|string $as=FALSE): self
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{
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// Create the select string
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$this->state->appendSelectString(' MIN' . $this->_select($field, $as));
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return $this;
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}
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/**
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* Selects the average value of a field from a query
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*/
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public function selectAvg(string $field, bool|string $as=FALSE): self
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{
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// Create the select string
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$this->state->appendSelectString(' AVG' . $this->_select($field, $as));
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return $this;
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}
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/**
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* Selects the sum of a field from a query
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*/
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public function selectSum(string $field, bool|string $as=FALSE): self
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{
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// Create the select string
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$this->state->appendSelectString(' SUM' . $this->_select($field, $as));
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return $this;
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}
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/**
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* Add a 'returning' clause to an insert,update, or delete query
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*
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* @return $this
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*/
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public function returning(string $fields = ''): self
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{
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$this->returning = TRUE;
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// Re-use the string select field for generating the returning type clause
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if ($fields !== '')
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{
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return $this->select($fields);
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}
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return $this;
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}
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/**
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* Adds the 'distinct' keyword to a query
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*/
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public function distinct(): self
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{
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// Prepend the keyword to the select string
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$this->state->setSelectString(' DISTINCT' . $this->state->getSelectString());
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return $this;
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}
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/**
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* Tell the database to give you the query plan instead of result set
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*/
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public function explain(): self
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{
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$this->explain = TRUE;
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return $this;
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}
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/**
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* Specify the database table to select from
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*
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* Alias of `from` method to better match CodeIgniter 4
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*/
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public function table(string $tableName): self
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{
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return $this->from($tableName);
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}
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/**
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* Specify the database table to select from
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*/
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public function from(string $tableName): self
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{
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// Split identifiers on spaces
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$identArray = explode(' ', mb_trim($tableName));
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$identArray = array_map('mb_trim', $identArray);
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// Quote the identifiers
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$identArray[0] = $this->driver->quoteTable($identArray[0]);
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$identArray = $this->driver->quoteIdent($identArray);
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// Paste it back together
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$this->state->setFromString(implode(' ', $identArray));
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return $this;
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}
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// --------------------------------------------------------------------------
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// ! 'Like' methods
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// --------------------------------------------------------------------------
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/**
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* Creates a Like clause in the sql statement
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*/
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public function like(string $field, mixed $values, LikeType|string $pos=LikeType::BOTH): self
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{
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return $this->_like($field, $values, LikeType::parse($pos));
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}
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/**
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* Generates an OR Like clause
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*/
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public function orLike(string $field, mixed $values, LikeType|string $pos=LikeType::BOTH): self
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{
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return $this->_like($field, $values, LikeType::parse($pos), 'LIKE', 'OR');
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}
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/**
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* Generates a NOT LIKE clause
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*/
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public function notLike(string $field, mixed $values, LikeType|string $pos=LikeType::BOTH): self
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{
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return $this->_like($field, $values, LikeType::parse($pos), 'NOT LIKE');
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}
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/**
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* Generates a OR NOT LIKE clause
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*/
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public function orNotLike(string $field, mixed $values, LikeType|string $pos=LikeType::BOTH): self
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{
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return $this->_like($field, $values, LikeType::parse($pos), 'NOT LIKE', 'OR');
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}
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// --------------------------------------------------------------------------
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// ! Having methods
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// --------------------------------------------------------------------------
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/**
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* Generates a 'Having' clause
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*/
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public function having(mixed $key, mixed $values=[]): self
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{
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return $this->_having($key, $values);
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}
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/**
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* Generates a 'Having' clause prefixed with 'OR'
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*/
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public function orHaving(mixed $key, mixed $values=[]): self
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{
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return $this->_having($key, $values, 'OR');
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}
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// --------------------------------------------------------------------------
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// ! 'Where' methods
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// --------------------------------------------------------------------------
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/**
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* Specify condition(s) in the where clause of a query
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* Note: this function works with key / value, or a
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* passed array with key / value pairs
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*/
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public function where(mixed $key, mixed $values=[]): self
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{
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return $this->_whereString($key, $values);
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}
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/**
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* Where clause prefixed with "OR"
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*/
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public function orWhere(mixed $key, mixed $values=[]): self
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{
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return $this->_whereString($key, $values, 'OR');
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}
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/**
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* Where clause with 'IN' statement
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*/
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public function whereIn(string $field, mixed $val=[]): self
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{
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return $this->_whereIn($field, $val);
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}
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/**
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* Where in statement prefixed with "or"
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*/
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public function orWhereIn(string $field, mixed $val=[]): self
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{
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return $this->_whereIn($field, $val, 'IN', 'OR');
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}
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/**
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* WHERE NOT IN (FOO) clause
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*/
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public function whereNotIn(string $field, mixed $val=[]): self
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{
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return $this->_whereIn($field, $val, 'NOT IN');
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}
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/**
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* OR WHERE NOT IN (FOO) clause
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*/
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public function orWhereNotIn(string $field, mixed $val=[]): self
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{
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return $this->_whereIn($field, $val, 'NOT IN', 'OR');
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}
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// --------------------------------------------------------------------------
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// ! Other Query Modifier methods
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// --------------------------------------------------------------------------
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/**
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* Sets values for inserts / updates / deletes
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*/
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public function set(mixed $key, mixed $val = NULL): self
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{
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$pairs = is_scalar($key) ? [$key => $val] : $key;
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$keys = array_keys($pairs);
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$values = array_values($pairs);
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$this->state->appendSetArrayKeys($keys);
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$this->state->appendValues($values);
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// Use the keys of the array to make the insert/update string
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// Escape the field names
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$this->state->setSetArrayKeys(
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array_map([$this->driver, '_quote'], $this->state->getSetArrayKeys())
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);
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// Generate the "set" string
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$setString = implode('=?,', $this->state->getSetArrayKeys());
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$setString .= '=?';
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$this->state->setSetString($setString);
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return $this;
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}
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/**
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* Creates a join phrase in a compiled query
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*/
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public function join(string $table, string $condition, JoinType|string $type=JoinType::INNER): self
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{
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// Prefix and quote table name
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$tableArr = explode(' ', mb_trim($table));
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$tableArr[0] = $this->driver->quoteTable($tableArr[0]);
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$tableArr = $this->driver->quoteIdent($tableArr);
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$table = implode(' ', $tableArr);
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// Parse out the join condition
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$parsedCondition = $this->parser->compileJoin($condition);
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$condition = $table . ' ON ' . $parsedCondition;
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$this->state->appendMap("\n" . strtoupper(JoinType::parse($type)->value) . ' JOIN ', $condition, MapType::JOIN);
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return $this;
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}
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/**
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* Group the results by the selected field(s)
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*/
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public function groupBy(mixed $field): self
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{
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if ( ! is_scalar($field))
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{
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$newGroupArray = array_merge(
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$this->state->getGroupArray(),
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array_map([$this->driver, 'quoteIdent'], $field)
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);
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$this->state->setGroupArray($newGroupArray);
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}
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else
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{
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$this->state->appendGroupArray($this->driver->quoteIdent($field));
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}
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$this->state->setGroupString(' GROUP BY ' . implode(',', $this->state->getGroupArray()));
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return $this;
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}
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/**
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* Order the results by the selected field(s)
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*/
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public function orderBy(string $field, string $type=''): self
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{
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// When ordering by random, do an ascending order if the driver
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// doesn't support random ordering
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if (stripos($type, 'rand') !== FALSE)
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{
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$rand = $this->driver->getSql()->random();
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$type = $rand ?? 'ASC';
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}
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// Set fields for later manipulation
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$field = $this->driver->quoteIdent($field);
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$this->state->setOrderArray($field, $type);
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$orderClauses = [];
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// Flatten key/val pairs into an array of space-separated pairs
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foreach ($this->state->getOrderArray() as $k => $v)
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{
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2023-03-17 16:28:07 -04:00
|
|
|
$orderClauses[] = $k . ' ' . strtoupper((string) $v);
|
2023-01-20 11:30:51 -05:00
|
|
|
}
|
|
|
|
|
|
|
|
// Set the final string
|
|
|
|
$orderString = isset($rand)
|
2023-03-17 16:28:07 -04:00
|
|
|
? "\nORDER BY" . $rand
|
|
|
|
: "\nORDER BY " . implode(', ', $orderClauses);
|
2023-01-20 11:30:51 -05:00
|
|
|
|
|
|
|
$this->state->setOrderString($orderString);
|
|
|
|
|
|
|
|
return $this;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Set a limit on the current sql statement
|
|
|
|
*/
|
|
|
|
public function limit(int $limit, ?int $offset=NULL): self
|
|
|
|
{
|
|
|
|
$this->state->setLimit($limit);
|
|
|
|
$this->state->setOffset($offset);
|
|
|
|
|
|
|
|
return $this;
|
|
|
|
}
|
|
|
|
|
|
|
|
// --------------------------------------------------------------------------
|
|
|
|
// ! Query Grouping Methods
|
|
|
|
// --------------------------------------------------------------------------
|
|
|
|
/**
|
|
|
|
* Adds a paren to the current query for query grouping
|
|
|
|
*/
|
|
|
|
public function groupStart(): self
|
|
|
|
{
|
|
|
|
$conj = empty($this->state->getQueryMap()) ? ' WHERE ' : ' ';
|
|
|
|
|
|
|
|
$this->state->appendMap($conj, '(', MapType::GROUP_START);
|
|
|
|
|
|
|
|
return $this;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Adds a paren to the current query for query grouping,
|
|
|
|
* prefixed with 'NOT'
|
|
|
|
*/
|
|
|
|
public function notGroupStart(): self
|
|
|
|
{
|
|
|
|
$conj = empty($this->state->getQueryMap()) ? ' WHERE ' : ' AND ';
|
|
|
|
|
|
|
|
$this->state->appendMap($conj, ' NOT (', MapType::GROUP_START);
|
|
|
|
|
|
|
|
return $this;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Adds a paren to the current query for query grouping,
|
|
|
|
* prefixed with 'OR'
|
|
|
|
*/
|
|
|
|
public function orGroupStart(): self
|
|
|
|
{
|
|
|
|
$this->state->appendMap('', ' OR (', MapType::GROUP_START);
|
|
|
|
|
|
|
|
return $this;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Adds a paren to the current query for query grouping,
|
|
|
|
* prefixed with 'OR NOT'
|
|
|
|
*/
|
|
|
|
public function orNotGroupStart(): self
|
|
|
|
{
|
|
|
|
$this->state->appendMap('', ' OR NOT (', MapType::GROUP_START);
|
|
|
|
|
|
|
|
return $this;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Ends a query group
|
|
|
|
*/
|
|
|
|
public function groupEnd(): self
|
|
|
|
{
|
|
|
|
$this->state->appendMap('', ')', MapType::GROUP_END);
|
|
|
|
|
|
|
|
return $this;
|
|
|
|
}
|
|
|
|
|
|
|
|
// --------------------------------------------------------------------------
|
|
|
|
// ! Query execution methods
|
|
|
|
// --------------------------------------------------------------------------
|
|
|
|
/**
|
|
|
|
* Select and retrieve all records from the current table, and/or
|
|
|
|
* execute current compiled query
|
|
|
|
*/
|
|
|
|
public function get(string $table='', ?int $limit=NULL, ?int $offset=NULL): PDOStatement
|
|
|
|
{
|
|
|
|
// Set the table
|
|
|
|
if ( ! empty($table))
|
|
|
|
{
|
|
|
|
$this->from($table);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Set the limit, if it exists
|
|
|
|
if (is_int($limit))
|
|
|
|
{
|
|
|
|
$this->limit($limit, $offset);
|
|
|
|
}
|
|
|
|
|
|
|
|
return $this->_run(QueryType::SELECT, $table);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Convenience method for get() with a where clause
|
|
|
|
*
|
|
|
|
* @param mixed $where
|
|
|
|
*/
|
|
|
|
public function getWhere(string $table, $where=[], ?int $limit=NULL, ?int $offset=NULL): PDOStatement
|
|
|
|
{
|
|
|
|
// Create the where clause
|
|
|
|
$this->where($where);
|
|
|
|
|
|
|
|
// Return the result
|
|
|
|
return $this->get($table, $limit, $offset);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Retrieve the number of rows in the selected table
|
|
|
|
*/
|
|
|
|
public function countAll(string $table): int
|
|
|
|
{
|
2023-03-17 16:28:07 -04:00
|
|
|
$sql = 'SELECT * FROM ' . $this->driver->quoteTable($table);
|
2023-01-20 11:30:51 -05:00
|
|
|
$res = $this->driver->query($sql);
|
2023-03-17 16:28:07 -04:00
|
|
|
|
2023-01-20 11:30:51 -05:00
|
|
|
return (int) (is_countable($res->fetchAll()) ? count($res->fetchAll()) : 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Retrieve the number of results for the generated query - used
|
|
|
|
* in place of the get() method
|
|
|
|
*/
|
|
|
|
public function countAllResults(string $table='', bool $reset = TRUE): int
|
|
|
|
{
|
|
|
|
// Set the table
|
|
|
|
if ( ! empty($table))
|
|
|
|
{
|
|
|
|
$this->from($table);
|
|
|
|
}
|
|
|
|
|
|
|
|
$result = $this->_run(QueryType::SELECT, $table, NULL, NULL, $reset);
|
|
|
|
$rows = $result->fetchAll();
|
|
|
|
|
|
|
|
return (int) count($rows);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Creates an insert clause, and executes it
|
|
|
|
*/
|
|
|
|
public function insert(string $table, mixed $data=[]): PDOStatement
|
|
|
|
{
|
|
|
|
if ( ! empty($data))
|
|
|
|
{
|
|
|
|
$this->set($data);
|
|
|
|
}
|
|
|
|
|
|
|
|
return $this->_run(QueryType::INSERT, $table);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Creates and executes a batch insertion query
|
|
|
|
*/
|
2023-03-17 16:28:07 -04:00
|
|
|
public function insertBatch(string $table, mixed $data=[]): ?PDOStatement
|
2023-01-20 11:30:51 -05:00
|
|
|
{
|
|
|
|
// Get the generated values and sql string
|
|
|
|
[$sql, $data] = $this->driver->insertBatch($table, $data);
|
|
|
|
|
|
|
|
return $sql !== NULL
|
|
|
|
? $this->_run(QueryType::INSERT_BATCH, $table, $sql, $data)
|
|
|
|
: NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Creates an update clause, and executes it
|
|
|
|
*/
|
|
|
|
public function update(string $table, mixed $data=[]): PDOStatement
|
|
|
|
{
|
|
|
|
if ( ! empty($data))
|
|
|
|
{
|
|
|
|
$this->set($data);
|
|
|
|
}
|
|
|
|
|
|
|
|
return $this->_run(QueryType::UPDATE, $table);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Creates a batch update, and executes it.
|
|
|
|
* Returns the number of affected rows
|
|
|
|
*/
|
|
|
|
public function updateBatch(string $table, array $data, string $where): ?int
|
|
|
|
{
|
|
|
|
if (empty($table) || empty($data) || empty($where))
|
|
|
|
{
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Get the generated values and sql string
|
|
|
|
[$sql, $data, $affectedRows] = $this->driver->updateBatch($table, $data, $where);
|
|
|
|
|
|
|
|
$this->_run(QueryType::UPDATE_BATCH, $table, $sql, $data);
|
2023-03-17 16:28:07 -04:00
|
|
|
|
2023-01-20 11:30:51 -05:00
|
|
|
return $affectedRows;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Deletes data from a table
|
|
|
|
*/
|
|
|
|
public function delete(string $table, mixed $where=''): PDOStatement
|
|
|
|
{
|
|
|
|
// Set the where clause
|
|
|
|
if ( ! empty($where))
|
|
|
|
{
|
|
|
|
$this->where($where);
|
|
|
|
}
|
|
|
|
|
|
|
|
return $this->_run(QueryType::DELETE, $table);
|
|
|
|
}
|
|
|
|
|
|
|
|
// --------------------------------------------------------------------------
|
|
|
|
// ! SQL Returning Methods
|
|
|
|
// --------------------------------------------------------------------------
|
|
|
|
/**
|
|
|
|
* Returns the generated 'select' sql query
|
|
|
|
*/
|
|
|
|
public function getCompiledSelect(string $table='', bool $reset=TRUE): string
|
|
|
|
{
|
|
|
|
// Set the table
|
|
|
|
if ( ! empty($table))
|
|
|
|
{
|
|
|
|
$this->from($table);
|
|
|
|
}
|
|
|
|
|
|
|
|
return $this->_getCompile(QueryType::SELECT, $table, $reset);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Returns the generated 'insert' sql query
|
|
|
|
*/
|
|
|
|
public function getCompiledInsert(string $table, bool $reset=TRUE): string
|
|
|
|
{
|
|
|
|
return $this->_getCompile(QueryType::INSERT, $table, $reset);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Returns the generated 'update' sql query
|
|
|
|
*/
|
|
|
|
public function getCompiledUpdate(string $table='', bool $reset=TRUE): string
|
|
|
|
{
|
|
|
|
return $this->_getCompile(QueryType::UPDATE, $table, $reset);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Returns the generated 'delete' sql query
|
|
|
|
*/
|
|
|
|
public function getCompiledDelete(string $table='', bool $reset=TRUE): string
|
|
|
|
{
|
|
|
|
return $this->_getCompile(QueryType::DELETE, $table, $reset);
|
|
|
|
}
|
|
|
|
}
|