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| <?php | |
| /** | |
| * SqlBuilder.php | |
| * | |
| * @package Sql | |
| * @author Informatica Asociada | |
| * @copyright 2015 | |
| * @version 1.0.1 | |
| */ | |
| /** @noinspection SqlNoDataSourceInspection */ | |
| /** @noinspection SqlResolve */ | |
| namespace ia\Sql\Mysql; | |
| use function count; | |
| use ia\Util\Str; | |
| /** | |
| * SqlBuilder Helps build Sql statements like insert, update, where clauses, in clauses | |
| */ | |
| class SqlBuilder { | |
| public $dontQuoteValue = array( | |
| 'CURDATE()'=>1,'CURRENT_DATE()'=>1,'CURRENT_DATE'=>1,'SYSDATE()'=>1,'UTC_DATE()'=>1, | |
| 'CURRENT_DATETIME'=>1,'NOW()'=>1, | |
| 'CURRENT_TIME()'=>1,'CURRENT_TIME'=>1,'CURTIME()'=>1,'UTC_TIME()'=>1, | |
| 'CURRENT_TIMESTAMP()'=>1,'CURRENT_TIMESTAMP'=>1,'LOCALTIMESTAMP()'=>1,'LOCALTIMESTAMP'=>1,'UNIX_TIMESTAMP()'=>1,'UTC_TIMESTAMP()'=>1 | |
| ); | |
| public $fieldNameDontQuote = array( | |
| ); | |
| public $dontOnUpdateFieldName = array( | |
| 'alta_db'=>1, | |
| ); | |
| /** | |
| * Returns value protected with strit or not. | |
| * | |
| * @param string $fieldName | |
| * @param mixed $value | |
| * @param array $fieldNameDontQuote fieldnames not to quote [fieldName1, fieldName2, ...] | |
| * @return string | |
| */ | |
| public function quote($fieldName, $value, $fieldNameDontQuote=array()) { | |
| if($value === null) { | |
| return 'NULL'; | |
| } | |
| if(!is_array($fieldNameDontQuote)) { | |
| $fieldNameDontQuote = [$fieldNameDontQuote]; | |
| } | |
| if(array_key_exists($fieldName,array_flip($fieldNameDontQuote)) || array_key_exists($fieldName,$this->fieldNameDontQuote) || array_key_exists(strtoupper($value),$this->dontQuoteValue)) { | |
| return $value; | |
| } | |
| return Str::strit($value); | |
| } | |
| /** | |
| * Build a where clause from an array or string | |
| * | |
| * @example | |
| * | |
| * @param array|string $where array('col_1'=>3,...) col_1 = '3' AND ... or string col_1=1 | |
| * @param array $whereDontQuoteFieldName array('col_2',...) col_1's value wont be quoted | |
| * @return string where clause | |
| * | |
| */ | |
| public function where($where,$whereDontQuoteFieldName=array()) { | |
| if(empty($where)) { | |
| return ''; | |
| } | |
| if(!is_array($where)) { | |
| return '(' . $where . ')'; | |
| } | |
| $dontQuote = is_array($whereDontQuoteFieldName) ? $whereDontQuoteFieldName : array($whereDontQuoteFieldName); | |
| $whereClause = []; | |
| foreach($where as $fieldName => $value) { | |
| $whereClause[] = is_numeric($fieldName) ? | |
| $value : | |
| $this->build_sql_in($fieldName, $value, $dontQuote); | |
| } | |
| return '(' . implode(' AND ', $whereClause) . ')'; | |
| } | |
| /** | |
| * Returns $fieldName=$value or $fieldName IS NULL or $fieldName IN ( values in array) | |
| * Protecting $filedNmae and $value as required. | |
| * | |
| * @param string $fieldName | |
| * @param array|string $whereValues | |
| * @param array $fieldNameDontQuote | |
| * @return string $fieldName=$value or $fieldName IS NULL or $fieldName IN ( values in array) | |
| */ | |
| public function build_sql_in($fieldName, $whereValues, $fieldNameDontQuote=array() ) { | |
| $field = Str::fieldit($fieldName); | |
| if(!is_array($whereValues)) { | |
| if($whereValues === null) { | |
| return ' '.$field.' IS NULL'; | |
| } | |
| return ' '.$field.'='.$this->quote($fieldName, $whereValues, $fieldNameDontQuote); | |
| } | |
| if(empty($whereValues)) { | |
| return ''; | |
| } | |
| if(count($whereValues) == 1) { | |
| $value = reset($whereValues); | |
| if($value === null) { | |
| return ' '.$field.' IS NULL'; | |
| } | |
| return ' '.$field.'='.$this->quote($fieldName, $value, $fieldNameDontQuote); | |
| } | |
| $nulls = ''; | |
| $inArr=array(); | |
| foreach($whereValues as $s) { | |
| if($s === null) { | |
| $nulls = $field." IS NULL OR "; | |
| } else { | |
| $inArr[] = $this->quote($fieldName, $s, $fieldNameDontQuote); | |
| } | |
| } | |
| if(empty($inArr)) { | |
| return " $field IS NULL"; | |
| } | |
| return "($nulls".$field." IN (".implode(',',$inArr).'))'; | |
| } | |
| /** | |
| * Create an Sql update query. | |
| * | |
| * @param string $table | |
| * @param array $values array('col_1'=>'value', ...) | |
| * @param string|array $where array('col_1'=>'3',...) col_1 = 3 AND ... or string col_1=1 | |
| * @param array $fieldNameDontQuote array('col_2',...) col_2's value wont be quoted in the set clause | |
| * @param array $whereDontQuoteFieldName array('col_1',...) col_1's value wont be quoted in the where clause | |
| * @return string Sql update command | |
| * | |
| * @see $dontQuoteValue | |
| * @see $dontQuoteFieldName | |
| * @see where() | |
| */ | |
| public function update($table, $values, $where=array(), $fieldNameDontQuote=array(), $whereDontQuoteFieldName=array() ) { | |
| $set = ''; | |
| foreach($values as $fieldName => $value) | |
| if($value === null) { | |
| $set .= ','.Str::fieldit($fieldName).'=NULL'; | |
| } else { | |
| $set .= ','.Str::fieldit($fieldName).'='.$this->quote($fieldName, $value, $fieldNameDontQuote); | |
| } | |
| return "UPDATE".$this->autoComment().Str::fieldit($table)." SET ".substr($set, 1)." WHERE ".$this->where($where, $whereDontQuoteFieldName); | |
| } | |
| /** | |
| * SqlBuilder::updateLastChanged() | |
| * | |
| * @param string $table | |
| * @param string $values | |
| * @param array $where | |
| * @param array $fieldsChanged ['last_updated'=>'NOW()', 'updated_by'=>'userName'] | |
| * @param array $fieldNameDontQuote | |
| * @param array $whereDontQuoteFieldName | |
| * @return array sql statemtns ['update', 'update $fieldsChanged WHERE lastUpdated changed row' ] | |
| */ | |
| public function updateLastChanged(string $table, array $values, array $where=[], array $fieldsChanged=[], array $fieldNameDontQuote=[], array $whereDontQuoteFieldName=[] ) { | |
| if($fieldsChanged === []) { | |
| return [$this->update($table, $values, $where, $fieldNameDontQuote, $whereDontQuoteFieldName)]; | |
| } | |
| $ifChangeFields = []; | |
| foreach($fieldsChanged as $fieldName => $value) { | |
| $ifChangeFields[$fieldName] = $value; | |
| unset($values[$fieldName]); | |
| } | |
| $sql[] = $this->sqlBuilder->update($table, $values, $where, $fieldNameDontQuote, $whereDontQuoteFieldName ); | |
| $where[] = 'ROW_COUNT() > 0'; | |
| $sql[] = $this->sqlBuilder->update($table, $ifChangeFields, $where, $fieldNameDontQuote, $whereDontQuoteFieldName); | |
| return $sql; | |
| } | |
| /** | |
| * Create an Sql insert query | |
| * | |
| * @param string $table | |
| * @param array $values array('col_1'=>'value', ...) | |
| * @param bool $autoOnUpdate true: an on duplicate key update clause will be added with $onUpdate concateanted | |
| * with all fields not in $fieldNameDontQuote nor in $this->dontOnUpdateFieldName | |
| * @param string $onUpdate add to ON DUPLICATE KEY UPDATE ie set last_insert_id: primary_key=LAST_INSERT_ID(primary_key) | |
| * @param array $fieldNameDontOnUpdate array('col_1',...) col_1's value wont be quoted in the values clause | |
| * @param array $fieldNameDontQuote array('col_1',...) col_1's value wont be quoted in the values clause | |
| * @return string Sql insert command | |
| * | |
| */ | |
| public function insert($table, $values, $autoOnUpdate=false, $onUpdate='', $fieldNameDontOnUpdate=array(), $fieldNameDontQuote=array()) { | |
| if(is_array($onUpdate)) { | |
| $temp = []; | |
| foreach($onUpdate as $fieldName) { | |
| $field = Str::fieldit($fieldName); | |
| $temp[] = "$field=VALUES($field)"; | |
| } | |
| $onDup = implode(',', $temp); | |
| } else { | |
| $onDup = trim($onUpdate); | |
| } | |
| if(!empty($onDup)) { | |
| if(substr($onDup,0,1) !== ',') | |
| $onDup = ','.$onDup; | |
| if(substr($onDup,-1) === ',') | |
| $onDup = substr($onDup,0,-1); | |
| } | |
| $dontOnDup = array_merge($this->dontOnUpdateFieldName, array_flip($fieldNameDontOnUpdate)); | |
| $fields = ''; | |
| $vals = ''; | |
| foreach($values as $fieldName => $value) { | |
| $f = Str::fieldit($fieldName); | |
| $fields .= ",$f"; | |
| if($autoOnUpdate && !array_key_exists($fieldName,$dontOnDup) && stripos($value,'DEFAULT(') === false ) { | |
| $onDup .= ",$f=VALUES($f)"; | |
| } | |
| $vals .= ','.$this->quote($fieldName, $value, $fieldNameDontQuote); | |
| } | |
| if(!empty($onDup)) { | |
| $onDup = ' ON DUPLICATE KEY UPDATE '.substr($onDup,1); | |
| } | |
| return "INSERT".$this->autoComment()."INTO ".Str::fieldit($table)."(".substr($fields,1).") VALUES(".substr($vals,1).")$onDup"; | |
| } | |
| /** | |
| * Build an insert into clause, with the filed names from the keys of $values array | |
| * | |
| * @example | |
| * | |
| * | |
| * @param string $table table name for query | |
| * @param array $values array('col_1'=>'value', ...) | |
| * @return string insert into clause, with the filed names from the keys of $values array | |
| * | |
| * @see insertValues() | |
| * @see insertOnDuplicateKey() | |
| * | |
| */ | |
| public function insertInto($table,$values) { | |
| $fields = ''; | |
| foreach($values as $fieldName => $value) { | |
| $fields .= ','.Str::fieldit($fieldName); | |
| } | |
| return "INSERT INTO ".Str::fieldit($table)."(".substr($fields,1).") "; | |
| } | |
| /** | |
| * Returns a values clause for multiple inserts | |
| * | |
| * | |
| * @example | |
| * | |
| * | |
| * @param array $values array('col_1'=>'value', ...) | |
| * @param array $fieldNameDontQuote fieldnames not to quote [fieldName1, fieldName2, ...] | |
| * @return string | |
| * | |
| * @see $dontQuoteValue | |
| * @see $dontQuoteFieldName | |
| * @see insertInto() | |
| * @see insertOnDuplicateKey() | |
| */ | |
| public function insertValues($values, $fieldNameDontQuote=array()) { | |
| $vals = []; | |
| foreach($values as $fieldName => $value) { | |
| $vals[] = $this->quote($fieldName, $value, $fieldNameDontQuote); | |
| } | |
| if(empty($vals)) | |
| return ''; | |
| return '('.implode(',',$vals).')'; | |
| } | |
| /** | |
| * Build an ON DUPLICATE KEY UPDATE clause | |
| * | |
| * @param array $values array('col_1'=>'value', ...) | |
| * @param bool $updateAllFields true set fieldname=VALUES(fieldname) for all fields | |
| * @param string $onUpdate add to ON DUPLICATE KEY UPDATE ie set last_insert_id: ,primary_key=LAST_INSERT_ID(primary_key) | |
| * @param array $fieldNameDontOnUpdate | |
| * @return string an ON DUPLICATE KEY UPDATE clause | |
| * | |
| * @see $dontOnUpdateFieldName | |
| * @see insertInto() | |
| * @see insertValues() trim | |
| */ | |
| public function insertOnDuplicateKey($values, $updateAllFields=true, $onUpdate='', $fieldNameDontOnUpdate=array()) { | |
| //@TODO onUpdate=['fieldName1,...'] | |
| $onDup = trim($onUpdate); | |
| $dontOnDup = array_merge($this->dontOnUpdateFieldName, array_flip($fieldNameDontOnUpdate)); | |
| foreach($values as $fieldName => $value) | |
| if(!array_key_exists($fieldName,$dontOnDup) ) { | |
| $f = Str::fieldit($fieldName); | |
| if($updateAllFields) { | |
| $onDup .= ",$f=VALUES($f)"; | |
| } | |
| } | |
| if(empty($onDup)) | |
| return ''; | |
| return ' ON DUPLICATE KEY UPDATE '.$onDup; | |
| } | |
| /** | |
| * SQL comment indicating function/class:method issued query | |
| * | |
| * @return string Sql comment ie /* class::method or function * /, blank if could't resolve | |
| */ | |
| protected function autoComment() { | |
| $dbt=debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 3); | |
| if(isset($dbt[3]) && isset($dbt[3]['function'])) { | |
| return ' /* '.(isset($dbt[3]['class']) ? $dbt[3]['class'].'::' : '').$dbt[3]['function'].' */ '; | |
| } | |
| if(isset($dbt[2]) && $dbt[2]['function']) { | |
| return ' /* '.(isset($dbt[2]['class']) ? $dbt[2]['class'].'::' : '').$dbt[2]['function'].' */ '; | |
| } | |
| // @codeCoverageIgnoreStart | |
| return ' '; | |
| // @codeCoverageIgnoreEnd | |
| } | |
| } |