Your IP : 18.217.108.107
<?php
namespace Bitrix\Main\DB;
use Bitrix\Main\Type;
use Bitrix\Main\ORM;
use Bitrix\Main\ORM\Fields\ScalarField;
class PgsqlSqlHelper extends SqlHelper
{
/**
* @inheritdoc
*/
public function getLeftQuote()
{
return '"';
}
/**
* @inheritdoc
*/
public function getRightQuote()
{
return '"';
}
/**
* @inheritdoc
*/
public function getAliasLength()
{
return 63;
}
/**
* @inheritdoc
*/
public function quote($identifier)
{
return pg_escape_identifier($this->connection->getResource(), mb_strtolower($identifier));
}
/**
* @inheritdoc
*/
public function values($identifier)
{
return 'EXCLUDED.' . $this->quote($identifier);
}
/**
* @inheritdoc
*/
public function getQueryDelimiter()
{
return ';';
}
/**
* @inheritdoc
*/
public function forSql($value, $maxLength = 0)
{
if ($maxLength > 0)
{
$value = mb_substr($value, 0, $maxLength);
}
return pg_escape_string($this->connection->getResource(), $value);
}
/**
* @inheritdoc
*/
public function convertToDbBinary($value)
{
return "'" . pg_escape_bytea($value) . "'";
//return "E'\\\\x".bin2hex($value) . "'";
//return "decode('".bin2hex($value)."', 'hex')";
}
/**
* @inheritdoc
*/
public function getCurrentDateTimeFunction()
{
return 'now()';
}
/**
* @inheritdoc
*/
public function getCurrentDateFunction()
{
return 'current_date';
}
/**
* @inheritdoc
*/
public function addSecondsToDateTime($seconds, $from = null)
{
if ($from === null)
{
$from = static::getCurrentDateTimeFunction();
}
else
{
$from = $from . "::timestamp";
}
return $from . " + cast(" . $seconds . "||' second' as interval)";
}
/**
* @inheritdoc
*/
public function addDaysToDateTime($days, $from = null)
{
if ($from === null)
{
$from = static::getCurrentDateTimeFunction();
}
else
{
$from = $from . "::timestamp";
}
return '(' . $from . " + cast(" . $days . "||' day' as interval))";
}
/**
* @inheritdoc
*/
public function getDatetimeToDateFunction($value)
{
return 'cast('.$value.' as date)';
}
/**
* @inheritdoc
*/
public function formatDate($format, $field = null)
{
static $translation = [
'YYYY' => 'YYYY',
'MMMM' => 'FMMonth',
'MI' => 'MI',
'HH' => 'HH24',
'GG' => 'HH12',
'TT' => 'PM',
'M' => 'Mon',
'H' => 'HH12',
'G' => 'FMHH12',
'T' => 'PM',
'W' => 'D',
];
$dbFormat = '';
foreach (preg_split('/(YYYY|MMMM|MM|MI|DD|HH|GG|SS|TT|M|H|G|T|W)/', $format, -1, PREG_SPLIT_DELIM_CAPTURE) as $part)
{
$dbFormat .= $translation[$part] ?? $part;
}
if ($field === null)
{
return $dbFormat;
}
else
{
return "to_char(".$field.", '".$dbFormat."')";
}
}
/**
* @inheritdoc
*/
public function getRegexpOperator($field, $regexp)
{
return $field . ' ~ ' . $regexp;
}
/**
* @inheritdoc
*/
public function getConcatFunction()
{
return implode(" || ", func_get_args());
}
/**
* @inheritdoc
*/
public function getRandomFunction()
{
return 'random()';
}
/**
* @inheritdoc
*/
public function getSha1Function($field)
{
return "encode(digest(replace(" . $field . ", '\\', '\\\\')::bytea, 'sha1'), 'hex')";
}
/**
* @inheritdoc
*/
public function getIsNullFunction($expression, $result)
{
return "COALESCE(".$expression.", ".$result.")";
}
/**
* @inheritdoc
*/
public function getLengthFunction($field)
{
return "OCTET_LENGTH(".$field.")";
}
public function getMatchFunction($field, $value)
{
return "to_tsvector('english'::regconfig, " . $field . ") @@ to_tsquery('english'::regconfig, " . $value . ")";
}
public function getMatchAndExpression($values, $prefixSearch = false)
{
if ($prefixSearch)
{
foreach ($values as $i => $searchTerm)
{
$values[$i] = $searchTerm . ':*';
}
}
return implode(' & ', $values);
}
public function getMatchOrExpression($values, $prefixSearch = false)
{
if ($prefixSearch)
{
foreach ($values as $i => $searchTerm)
{
$values[$i] = $searchTerm . ':*';
}
}
return implode(' | ', $values);
}
/**
* @inheritdoc
*/
public function getCharToDateFunction($value)
{
return "timestamp '".$value."'";
}
/**
* @inheritdoc
*/
public function getDateToCharFunction($fieldName)
{
return "TO_CHAR(".$fieldName.", 'YYYY-MM-DD HH24:MI:SS')";
}
/**
* @inheritdoc
*/
public function getConverter(ScalarField $field)
{
if($field instanceof ORM\Fields\DatetimeField)
{
return array($this, "convertFromDbDateTime");
}
elseif($field instanceof ORM\Fields\DateField)
{
return array($this, "convertFromDbDate");
}
else
{
return parent::getConverter($field);
}
}
/**
* @inheritdoc
*/
public function convertFromDbDateTime($value)
{
if($value !== null && $value != '0000-00-00 00:00:00')
{
return new Type\DateTime($value, "Y-m-d H:i:s");
}
return null;
}
/**
* @inheritdoc
*/
public function convertFromDbDate($value)
{
if($value !== null && $value != '0000-00-00')
{
return new Type\Date($value, "Y-m-d");
}
return null;
}
/**
* @inheritdoc
*/
public function castToChar($fieldName)
{
return 'CAST('.$fieldName.' AS varchar)';
}
/**
* @inheritdoc
*/
public function softCastTextToChar($fieldName)
{
return $fieldName;
}
/**
* @inheritdoc
*/
public function getColumnTypeByField(ScalarField $field)
{
if ($field instanceof ORM\Fields\IntegerField)
{
switch ($field->getSize())
{
case 2:
return 'smallint';
case 4:
return 'integer';
case 8:
return 'bigint';
}
return 'integer';
}
elseif ($field instanceof ORM\Fields\DecimalField)
{
$defaultPrecision = 18;
$defaultScale = 2;
$precision = $field->getPrecision() > 0 ? $field->getPrecision() : $defaultPrecision;
$scale = $field->getScale() > 0 ? $field->getScale() : $defaultScale;
if ($scale >= $precision)
{
$precision = $defaultPrecision;
$scale = $defaultScale;
}
return "decimal($precision, $scale)";
}
elseif ($field instanceof ORM\Fields\FloatField)
{
return 'float8';
}
elseif ($field instanceof ORM\Fields\DatetimeField)
{
return 'timestamp';
}
elseif ($field instanceof ORM\Fields\DateField)
{
return 'date';
}
elseif ($field instanceof ORM\Fields\TextField)
{
return 'text';
}
elseif ($field instanceof ORM\Fields\BooleanField)
{
$values = $field->getValues();
if (preg_match('/^[0-9]+$/', $values[0]) && preg_match('/^[0-9]+$/', $values[1]))
{
return 'int';
}
else
{
return 'varchar('.max(mb_strlen($values[0]), mb_strlen($values[1])).')';
}
}
elseif ($field instanceof ORM\Fields\EnumField)
{
return 'varchar('.max(array_map('strlen', $field->getValues())).')';
}
else
{
// string by default
$defaultLength = false;
foreach ($field->getValidators() as $validator)
{
if ($validator instanceof ORM\Fields\Validators\LengthValidator)
{
if ($defaultLength === false || $defaultLength > $validator->getMax())
{
$defaultLength = $validator->getMax();
}
}
}
return 'varchar('.($defaultLength > 0? $defaultLength: 255).')';
}
}
/**
* @inheritdoc
*/
public function getFieldByColumnType($name, $type, array $parameters = null)
{
switch ($type)
{
case 'bigint':
case 'int8':
case 'bigserial':
case 'serial8':
$field = (new ORM\Fields\IntegerField($name))->configureSize(8);
break;
case 'integer':
case 'int':
case 'int4':
case 'serial':
case 'serial4':
$field = (new ORM\Fields\IntegerField($name))->configureSize(4);
break;
case 'smallint':
case 'int2':
case 'smallserial':
case 'serial2':
$field = (new ORM\Fields\IntegerField($name))->configureSize(2);
break;
case 'double precision':
case 'float4':
case 'float8':
case 'numeric':
case 'decimal':
case 'real':
$field = new ORM\Fields\FloatField($name);
break;
case 'timestamp':
case 'timestamp without time zone':
case 'timestamptz':
case 'timestamp with time zone':
$field = new ORM\Fields\DatetimeField($name);
break;
case 'date':
$field = new ORM\Fields\DateField($name);
break;
case 'bytea':
$field = new ORM\Fields\StringField($name, ['binary' => true]);
break;
default:
$field = new ORM\Fields\StringField($name);
}
$field->setConnection($this->connection);
return $field;
}
/**
* @inheritdoc
*/
public function getTopSql($sql, $limit, $offset = 0)
{
$offset = intval($offset);
$limit = intval($limit);
if ($offset > 0 && $limit <= 0)
{
throw new \Bitrix\Main\ArgumentException("Limit must be set if offset is set");
}
if ($limit > 0)
{
$sql .= "\nLIMIT ".$limit;
}
if ($offset > 0)
{
$sql .= " OFFSET ".$offset;
}
$sql .= "\n";
return $sql;
}
/**
* @inheritdoc
*/
public function getInsertIgnore($tableName, $fields, $sql)
{
return 'INSERT INTO ' . $tableName . $fields . $sql . ' ON CONFLICT DO NOTHING';
}
/**
* @inheritdoc
*/
public function getAscendingOrder()
{
return 'ASC NULLS FIRST';
}
/**
* @inheritdoc
*/
public function getDescendingOrder()
{
return 'DESC NULLS LAST';
}
/**
* @inheritdoc
*/
public function prepareMerge($tableName, array $primaryFields, array $insertFields, array $updateFields)
{
$insert = $this->prepareInsert($tableName, $insertFields);
$update = $this->prepareUpdate($tableName, $updateFields);
if (
$insert && $insert[0] != "" && $insert[1] != ""
&& $update
&& $primaryFields
)
{
$sql = 'INSERT INTO ' . $this->quote($tableName) . ' ('.$insert[0].')
VALUES (' . $insert[1] . ')
ON CONFLICT (' . implode(',', array_map([$this, 'quote'], $primaryFields)) . ')
DO UPDATE SET ' . $update[0];
}
else
{
$sql = "";
}
return array(
$sql
);
}
/**
* @inheritdoc
*/
public function prepareMergeMultiple($tableName, array $primaryFields, array $insertRows)
{
$result = [];
$head = '';
$tail = '';
$maxBodySize = 1024*1024; //1 Mb
$body = [];
$bodySize = 0;
foreach ($insertRows as $insertFields)
{
$insert = $this->prepareInsert($tableName, $insertFields, true);
if (!$head && $insert && $insert[0])
{
$head = 'INSERT INTO ' . $this->quote($tableName) . ' (' . implode(', ', $insert[0]) . ') VALUES ';
$tail = ' ON CONFLICT (' . implode(',', array_map([$this, 'quote'], $primaryFields)) . ') DO UPDATE SET (' . implode(', ', $insert[0]) . ') = (' . implode(', ', array_map(function($f){return 'EXCLUDED.'.$f;}, $insert[0])) . ')';
}
if ($insert && $insert[1])
{
$values = '(' . implode(', ', $insert[1]) . ')';
$bodySize += mb_strlen($values) + 4;
$body[] = $values;
if ($bodySize > $maxBodySize)
{
$result[] = $head.implode(', ', $body).$tail;
$body = [];
$bodySize = 0;
}
}
}
if ($body)
{
$result[] = $head.implode(', ', $body).$tail;
}
return $result;
}
/**
* @inheritdoc
*/
public function prepareMergeSelect($tableName, array $primaryFields, array $selectFields, $select, $updateFields)
{
$updateColumns = [];
$updateValues = [];
$tableFields = $this->connection->getTableFields($tableName);
// one registry
$tableFields = array_change_key_case($tableFields, CASE_UPPER);
$updateFields = array_change_key_case($updateFields, CASE_UPPER);
foreach ($updateFields as $columnName => $value)
{
if (isset($tableFields[$columnName]))
{
$updateColumns[] = $this->quote($columnName);
$updateValues[] = $this->convertToDb($value, $tableFields[$columnName]);
}
else
{
trigger_error("Column `{$columnName}` is not found in the `{$tableName}` table", E_USER_WARNING);
}
}
$sql = 'INSERT INTO ' . $this->quote($tableName) . ' (' . implode(',', array_map([$this, 'quote'], $selectFields)) . ') ';
$sql .= $select;
$sql .= ' ON CONFLICT (' . implode(',', array_map([$this, 'quote'], $primaryFields)) . ') DO UPDATE SET ';
if (count($updateColumns) === 1)
{
$sql .= $updateColumns[0] . ' = ' . $updateValues[0];
}
else
{
$sql .= ' (' . implode(', ', $updateColumns) . ') = (' . implode(', ', $updateValues) . ')';
}
return $sql;
}
/**
* @inheritdoc
*/
public function prepareDeleteLimit($tableName, array $primaryFields, $where, array $order, $limit)
{
$primaryColumns = [];
foreach ($primaryFields as $columnName)
{
$primaryColumns[] = $this->quote($columnName);
}
$sqlPrimary = implode(', ', $primaryColumns);
$orderColumns = [];
foreach ($order as $columnName => $sort)
{
$orderColumns[] = $this->quote($columnName) . ' ' . $sort;
}
$sqlOrder = $orderColumns ? ' ORDER BY ' . implode(', ', $orderColumns) : '';
return 'DELETE FROM ' . $this->quote($tableName) . ' WHERE (' . $sqlPrimary . ') IN (SELECT ' . $sqlPrimary . ' FROM ' . $this->quote($tableName) . ' WHERE ' . $where . $sqlOrder . ' LIMIT ' . intval($limit) . ')';
}
public function initRowNumber($variableName)
{
return '';
}
public function getRowNumber($variableName)
{
return 'row_number() over()';
}
/**
* @inheritdoc
*/
public function prepareCorrelatedUpdate($tableName, $tableAlias, $fields, $from, $where)
{
$dml = "UPDATE " . $tableName . ' AS ' . $tableAlias . " SET\n";
$set = '';
foreach ($fields as $fieldName => $fieldValue)
{
$set .= ($set ? ',' : '') . $fieldName . ' = ' .$fieldValue . "\n";
}
$dml .= $set;
$dml .= 'FROM ' . $from . "\n";
$dml .= 'WHERE ' . $where . "\n";
return $dml;
}
protected function getOrderByField(string $field, array $values, callable $callback, bool $quote = true): string
{
$field = $quote ? $this->quote($field) : $field;
$values = implode(',', array_map($callback, $values));
return "array_position(ARRAY[{$values}], {$field})";
}
}