702 lines
20 KiB
PHP
702 lines
20 KiB
PHP
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<?php
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namespace Illuminate\Database\Query\Grammars;
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use Illuminate\Database\Query\Builder;
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use Illuminate\Support\Arr;
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use Illuminate\Support\Str;
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class PostgresGrammar extends Grammar
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{
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/**
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* All of the available clause operators.
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*
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* @var string[]
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*/
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protected $operators = [
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'=', '<', '>', '<=', '>=', '<>', '!=',
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'like', 'not like', 'between', 'ilike', 'not ilike',
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'~', '&', '|', '#', '<<', '>>', '<<=', '>>=',
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'&&', '@>', '<@', '?', '?|', '?&', '||', '-', '@?', '@@', '#-',
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'is distinct from', 'is not distinct from',
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];
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/**
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* The grammar specific bitwise operators.
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*
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* @var array
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*/
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protected $bitwiseOperators = [
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'~', '&', '|', '#', '<<', '>>', '<<=', '>>=',
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];
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/**
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* Compile a basic where clause.
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*
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* @param \Illuminate\Database\Query\Builder $query
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* @param array $where
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* @return string
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*/
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protected function whereBasic(Builder $query, $where)
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{
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if (str_contains(strtolower($where['operator']), 'like')) {
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return sprintf(
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'%s::text %s %s',
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$this->wrap($where['column']),
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$where['operator'],
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$this->parameter($where['value'])
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);
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}
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return parent::whereBasic($query, $where);
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}
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/**
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* Compile a bitwise operator where clause.
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*
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* @param \Illuminate\Database\Query\Builder $query
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* @param array $where
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* @return string
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*/
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protected function whereBitwise(Builder $query, $where)
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{
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$value = $this->parameter($where['value']);
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$operator = str_replace('?', '??', $where['operator']);
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return '('.$this->wrap($where['column']).' '.$operator.' '.$value.')::bool';
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}
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/**
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* Compile a "where date" clause.
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*
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* @param \Illuminate\Database\Query\Builder $query
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* @param array $where
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* @return string
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*/
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protected function whereDate(Builder $query, $where)
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{
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$value = $this->parameter($where['value']);
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return $this->wrap($where['column']).'::date '.$where['operator'].' '.$value;
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}
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/**
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* Compile a "where time" clause.
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*
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* @param \Illuminate\Database\Query\Builder $query
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* @param array $where
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* @return string
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*/
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protected function whereTime(Builder $query, $where)
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{
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$value = $this->parameter($where['value']);
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return $this->wrap($where['column']).'::time '.$where['operator'].' '.$value;
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}
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/**
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* Compile a date based where clause.
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*
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* @param string $type
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* @param \Illuminate\Database\Query\Builder $query
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* @param array $where
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* @return string
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*/
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protected function dateBasedWhere($type, Builder $query, $where)
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{
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$value = $this->parameter($where['value']);
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return 'extract('.$type.' from '.$this->wrap($where['column']).') '.$where['operator'].' '.$value;
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}
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/**
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* Compile a "where fulltext" clause.
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*
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* @param \Illuminate\Database\Query\Builder $query
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* @param array $where
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* @return string
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*/
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public function whereFullText(Builder $query, $where)
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{
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$language = $where['options']['language'] ?? 'english';
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if (! in_array($language, $this->validFullTextLanguages())) {
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$language = 'english';
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}
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$columns = collect($where['columns'])->map(function ($column) use ($language) {
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return "to_tsvector('{$language}', {$this->wrap($column)})";
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})->implode(' || ');
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$mode = 'plainto_tsquery';
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if (($where['options']['mode'] ?? []) === 'phrase') {
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$mode = 'phraseto_tsquery';
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}
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if (($where['options']['mode'] ?? []) === 'websearch') {
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$mode = 'websearch_to_tsquery';
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}
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return "({$columns}) @@ {$mode}('{$language}', {$this->parameter($where['value'])})";
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}
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/**
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* Get an array of valid full text languages.
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*
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* @return array
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*/
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protected function validFullTextLanguages()
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{
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return [
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'simple',
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'arabic',
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'danish',
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'dutch',
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'english',
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'finnish',
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'french',
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'german',
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'hungarian',
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'indonesian',
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'irish',
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'italian',
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'lithuanian',
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'nepali',
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'norwegian',
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'portuguese',
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'romanian',
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'russian',
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'spanish',
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'swedish',
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'tamil',
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'turkish',
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];
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}
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/**
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* Compile the "select *" portion of the query.
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*
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* @param \Illuminate\Database\Query\Builder $query
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* @param array $columns
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* @return string|null
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*/
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protected function compileColumns(Builder $query, $columns)
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{
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// If the query is actually performing an aggregating select, we will let that
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// compiler handle the building of the select clauses, as it will need some
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// more syntax that is best handled by that function to keep things neat.
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if (! is_null($query->aggregate)) {
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return;
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}
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if (is_array($query->distinct)) {
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$select = 'select distinct on ('.$this->columnize($query->distinct).') ';
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} elseif ($query->distinct) {
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$select = 'select distinct ';
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} else {
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$select = 'select ';
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}
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return $select.$this->columnize($columns);
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}
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/**
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* Compile a "JSON contains" statement into SQL.
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*
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* @param string $column
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* @param string $value
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* @return string
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*/
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protected function compileJsonContains($column, $value)
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{
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$column = str_replace('->>', '->', $this->wrap($column));
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return '('.$column.')::jsonb @> '.$value;
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}
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/**
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* Compile a "JSON contains key" statement into SQL.
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*
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* @param string $column
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* @return string
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*/
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protected function compileJsonContainsKey($column)
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{
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$segments = explode('->', $column);
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$lastSegment = array_pop($segments);
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if (filter_var($lastSegment, FILTER_VALIDATE_INT) !== false) {
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$i = $lastSegment;
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} elseif (preg_match('/\[(-?[0-9]+)\]$/', $lastSegment, $matches)) {
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$segments[] = Str::beforeLast($lastSegment, $matches[0]);
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$i = $matches[1];
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}
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$column = str_replace('->>', '->', $this->wrap(implode('->', $segments)));
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if (isset($i)) {
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return vsprintf('case when %s then %s else false end', [
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'jsonb_typeof(('.$column.")::jsonb) = 'array'",
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'jsonb_array_length(('.$column.')::jsonb) >= '.($i < 0 ? abs($i) : $i + 1),
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]);
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}
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$key = "'".str_replace("'", "''", $lastSegment)."'";
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return 'coalesce(('.$column.')::jsonb ?? '.$key.', false)';
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}
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/**
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* Compile a "JSON length" statement into SQL.
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*
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* @param string $column
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* @param string $operator
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* @param string $value
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* @return string
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*/
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protected function compileJsonLength($column, $operator, $value)
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{
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$column = str_replace('->>', '->', $this->wrap($column));
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return 'jsonb_array_length(('.$column.')::jsonb) '.$operator.' '.$value;
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}
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/**
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* Compile a single having clause.
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*
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* @param array $having
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* @return string
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*/
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protected function compileHaving(array $having)
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{
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if ($having['type'] === 'Bitwise') {
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return $this->compileHavingBitwise($having);
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}
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return parent::compileHaving($having);
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}
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/**
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* Compile a having clause involving a bitwise operator.
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*
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* @param array $having
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* @return string
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*/
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protected function compileHavingBitwise($having)
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{
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$column = $this->wrap($having['column']);
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$parameter = $this->parameter($having['value']);
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return '('.$column.' '.$having['operator'].' '.$parameter.')::bool';
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}
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/**
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* Compile the lock into SQL.
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*
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* @param \Illuminate\Database\Query\Builder $query
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* @param bool|string $value
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* @return string
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*/
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protected function compileLock(Builder $query, $value)
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{
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if (! is_string($value)) {
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return $value ? 'for update' : 'for share';
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}
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return $value;
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}
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/**
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* Compile an insert ignore statement into SQL.
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*
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* @param \Illuminate\Database\Query\Builder $query
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* @param array $values
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* @return string
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*/
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public function compileInsertOrIgnore(Builder $query, array $values)
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{
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return $this->compileInsert($query, $values).' on conflict do nothing';
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}
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/**
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* Compile an insert and get ID statement into SQL.
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*
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* @param \Illuminate\Database\Query\Builder $query
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* @param array $values
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* @param string $sequence
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* @return string
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*/
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public function compileInsertGetId(Builder $query, $values, $sequence)
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{
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return $this->compileInsert($query, $values).' returning '.$this->wrap($sequence ?: 'id');
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}
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/**
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* Compile an update statement into SQL.
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*
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* @param \Illuminate\Database\Query\Builder $query
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* @param array $values
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* @return string
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*/
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public function compileUpdate(Builder $query, array $values)
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{
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if (isset($query->joins) || isset($query->limit)) {
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return $this->compileUpdateWithJoinsOrLimit($query, $values);
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}
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return parent::compileUpdate($query, $values);
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}
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/**
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* Compile the columns for an update statement.
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*
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* @param \Illuminate\Database\Query\Builder $query
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* @param array $values
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* @return string
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*/
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protected function compileUpdateColumns(Builder $query, array $values)
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{
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return collect($values)->map(function ($value, $key) {
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$column = last(explode('.', $key));
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if ($this->isJsonSelector($key)) {
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return $this->compileJsonUpdateColumn($column, $value);
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}
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return $this->wrap($column).' = '.$this->parameter($value);
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})->implode(', ');
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}
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/**
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* Compile an "upsert" statement into SQL.
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*
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* @param \Illuminate\Database\Query\Builder $query
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* @param array $values
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* @param array $uniqueBy
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* @param array $update
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* @return string
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*/
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public function compileUpsert(Builder $query, array $values, array $uniqueBy, array $update)
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{
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$sql = $this->compileInsert($query, $values);
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$sql .= ' on conflict ('.$this->columnize($uniqueBy).') do update set ';
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$columns = collect($update)->map(function ($value, $key) {
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return is_numeric($key)
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? $this->wrap($value).' = '.$this->wrapValue('excluded').'.'.$this->wrap($value)
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: $this->wrap($key).' = '.$this->parameter($value);
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})->implode(', ');
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return $sql.$columns;
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}
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/**
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* Prepares a JSON column being updated using the JSONB_SET function.
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*
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* @param string $key
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* @param mixed $value
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* @return string
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||
|
|
*/
|
||
|
|
protected function compileJsonUpdateColumn($key, $value)
|
||
|
|
{
|
||
|
|
$segments = explode('->', $key);
|
||
|
|
|
||
|
|
$field = $this->wrap(array_shift($segments));
|
||
|
|
|
||
|
|
$path = "'{".implode(',', $this->wrapJsonPathAttributes($segments, '"'))."}'";
|
||
|
|
|
||
|
|
return "{$field} = jsonb_set({$field}::jsonb, {$path}, {$this->parameter($value)})";
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compile an update from statement into SQL.
|
||
|
|
*
|
||
|
|
* @param \Illuminate\Database\Query\Builder $query
|
||
|
|
* @param array $values
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public function compileUpdateFrom(Builder $query, $values)
|
||
|
|
{
|
||
|
|
$table = $this->wrapTable($query->from);
|
||
|
|
|
||
|
|
// Each one of the columns in the update statements needs to be wrapped in the
|
||
|
|
// keyword identifiers, also a place-holder needs to be created for each of
|
||
|
|
// the values in the list of bindings so we can make the sets statements.
|
||
|
|
$columns = $this->compileUpdateColumns($query, $values);
|
||
|
|
|
||
|
|
$from = '';
|
||
|
|
|
||
|
|
if (isset($query->joins)) {
|
||
|
|
// When using Postgres, updates with joins list the joined tables in the from
|
||
|
|
// clause, which is different than other systems like MySQL. Here, we will
|
||
|
|
// compile out the tables that are joined and add them to a from clause.
|
||
|
|
$froms = collect($query->joins)->map(function ($join) {
|
||
|
|
return $this->wrapTable($join->table);
|
||
|
|
})->all();
|
||
|
|
|
||
|
|
if (count($froms) > 0) {
|
||
|
|
$from = ' from '.implode(', ', $froms);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$where = $this->compileUpdateWheres($query);
|
||
|
|
|
||
|
|
return trim("update {$table} set {$columns}{$from} {$where}");
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compile the additional where clauses for updates with joins.
|
||
|
|
*
|
||
|
|
* @param \Illuminate\Database\Query\Builder $query
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
protected function compileUpdateWheres(Builder $query)
|
||
|
|
{
|
||
|
|
$baseWheres = $this->compileWheres($query);
|
||
|
|
|
||
|
|
if (! isset($query->joins)) {
|
||
|
|
return $baseWheres;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Once we compile the join constraints, we will either use them as the where
|
||
|
|
// clause or append them to the existing base where clauses. If we need to
|
||
|
|
// strip the leading boolean we will do so when using as the only where.
|
||
|
|
$joinWheres = $this->compileUpdateJoinWheres($query);
|
||
|
|
|
||
|
|
if (trim($baseWheres) == '') {
|
||
|
|
return 'where '.$this->removeLeadingBoolean($joinWheres);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $baseWheres.' '.$joinWheres;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compile the "join" clause where clauses for an update.
|
||
|
|
*
|
||
|
|
* @param \Illuminate\Database\Query\Builder $query
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
protected function compileUpdateJoinWheres(Builder $query)
|
||
|
|
{
|
||
|
|
$joinWheres = [];
|
||
|
|
|
||
|
|
// Here we will just loop through all of the join constraints and compile them
|
||
|
|
// all out then implode them. This should give us "where" like syntax after
|
||
|
|
// everything has been built and then we will join it to the real wheres.
|
||
|
|
foreach ($query->joins as $join) {
|
||
|
|
foreach ($join->wheres as $where) {
|
||
|
|
$method = "where{$where['type']}";
|
||
|
|
|
||
|
|
$joinWheres[] = $where['boolean'].' '.$this->$method($query, $where);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return implode(' ', $joinWheres);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Prepare the bindings for an update statement.
|
||
|
|
*
|
||
|
|
* @param array $bindings
|
||
|
|
* @param array $values
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function prepareBindingsForUpdateFrom(array $bindings, array $values)
|
||
|
|
{
|
||
|
|
$values = collect($values)->map(function ($value, $column) {
|
||
|
|
return is_array($value) || ($this->isJsonSelector($column) && ! $this->isExpression($value))
|
||
|
|
? json_encode($value)
|
||
|
|
: $value;
|
||
|
|
})->all();
|
||
|
|
|
||
|
|
$bindingsWithoutWhere = Arr::except($bindings, ['select', 'where']);
|
||
|
|
|
||
|
|
return array_values(
|
||
|
|
array_merge($values, $bindings['where'], Arr::flatten($bindingsWithoutWhere))
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compile an update statement with joins or limit into SQL.
|
||
|
|
*
|
||
|
|
* @param \Illuminate\Database\Query\Builder $query
|
||
|
|
* @param array $values
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
protected function compileUpdateWithJoinsOrLimit(Builder $query, array $values)
|
||
|
|
{
|
||
|
|
$table = $this->wrapTable($query->from);
|
||
|
|
|
||
|
|
$columns = $this->compileUpdateColumns($query, $values);
|
||
|
|
|
||
|
|
$alias = last(preg_split('/\s+as\s+/i', $query->from));
|
||
|
|
|
||
|
|
$selectSql = $this->compileSelect($query->select($alias.'.ctid'));
|
||
|
|
|
||
|
|
return "update {$table} set {$columns} where {$this->wrap('ctid')} in ({$selectSql})";
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Prepare the bindings for an update statement.
|
||
|
|
*
|
||
|
|
* @param array $bindings
|
||
|
|
* @param array $values
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function prepareBindingsForUpdate(array $bindings, array $values)
|
||
|
|
{
|
||
|
|
$values = collect($values)->map(function ($value, $column) {
|
||
|
|
return is_array($value) || ($this->isJsonSelector($column) && ! $this->isExpression($value))
|
||
|
|
? json_encode($value)
|
||
|
|
: $value;
|
||
|
|
})->all();
|
||
|
|
|
||
|
|
$cleanBindings = Arr::except($bindings, 'select');
|
||
|
|
|
||
|
|
return array_values(
|
||
|
|
array_merge($values, Arr::flatten($cleanBindings))
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compile a delete statement into SQL.
|
||
|
|
*
|
||
|
|
* @param \Illuminate\Database\Query\Builder $query
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public function compileDelete(Builder $query)
|
||
|
|
{
|
||
|
|
if (isset($query->joins) || isset($query->limit)) {
|
||
|
|
return $this->compileDeleteWithJoinsOrLimit($query);
|
||
|
|
}
|
||
|
|
|
||
|
|
return parent::compileDelete($query);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compile a delete statement with joins or limit into SQL.
|
||
|
|
*
|
||
|
|
* @param \Illuminate\Database\Query\Builder $query
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
protected function compileDeleteWithJoinsOrLimit(Builder $query)
|
||
|
|
{
|
||
|
|
$table = $this->wrapTable($query->from);
|
||
|
|
|
||
|
|
$alias = last(preg_split('/\s+as\s+/i', $query->from));
|
||
|
|
|
||
|
|
$selectSql = $this->compileSelect($query->select($alias.'.ctid'));
|
||
|
|
|
||
|
|
return "delete from {$table} where {$this->wrap('ctid')} in ({$selectSql})";
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compile a truncate table statement into SQL.
|
||
|
|
*
|
||
|
|
* @param \Illuminate\Database\Query\Builder $query
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function compileTruncate(Builder $query)
|
||
|
|
{
|
||
|
|
return ['truncate '.$this->wrapTable($query->from).' restart identity cascade' => []];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Wrap the given JSON selector.
|
||
|
|
*
|
||
|
|
* @param string $value
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
protected function wrapJsonSelector($value)
|
||
|
|
{
|
||
|
|
$path = explode('->', $value);
|
||
|
|
|
||
|
|
$field = $this->wrapSegments(explode('.', array_shift($path)));
|
||
|
|
|
||
|
|
$wrappedPath = $this->wrapJsonPathAttributes($path);
|
||
|
|
|
||
|
|
$attribute = array_pop($wrappedPath);
|
||
|
|
|
||
|
|
if (! empty($wrappedPath)) {
|
||
|
|
return $field.'->'.implode('->', $wrappedPath).'->>'.$attribute;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $field.'->>'.$attribute;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Wrap the given JSON selector for boolean values.
|
||
|
|
*
|
||
|
|
* @param string $value
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
protected function wrapJsonBooleanSelector($value)
|
||
|
|
{
|
||
|
|
$selector = str_replace(
|
||
|
|
'->>', '->',
|
||
|
|
$this->wrapJsonSelector($value)
|
||
|
|
);
|
||
|
|
|
||
|
|
return '('.$selector.')::jsonb';
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Wrap the given JSON boolean value.
|
||
|
|
*
|
||
|
|
* @param string $value
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
protected function wrapJsonBooleanValue($value)
|
||
|
|
{
|
||
|
|
return "'".$value."'::jsonb";
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Wrap the attributes of the given JSON path.
|
||
|
|
*
|
||
|
|
* @param array $path
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
protected function wrapJsonPathAttributes($path)
|
||
|
|
{
|
||
|
|
$quote = func_num_args() === 2 ? func_get_arg(1) : "'";
|
||
|
|
|
||
|
|
return collect($path)->map(function ($attribute) {
|
||
|
|
return $this->parseJsonPathArrayKeys($attribute);
|
||
|
|
})->collapse()->map(function ($attribute) use ($quote) {
|
||
|
|
return filter_var($attribute, FILTER_VALIDATE_INT) !== false
|
||
|
|
? $attribute
|
||
|
|
: $quote.$attribute.$quote;
|
||
|
|
})->all();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parse the given JSON path attribute for array keys.
|
||
|
|
*
|
||
|
|
* @param string $attribute
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
protected function parseJsonPathArrayKeys($attribute)
|
||
|
|
{
|
||
|
|
if (preg_match('/(\[[^\]]+\])+$/', $attribute, $parts)) {
|
||
|
|
$key = Str::beforeLast($attribute, $parts[0]);
|
||
|
|
|
||
|
|
preg_match_all('/\[([^\]]+)\]/', $parts[0], $keys);
|
||
|
|
|
||
|
|
return collect([$key])
|
||
|
|
->merge($keys[1])
|
||
|
|
->diff('')
|
||
|
|
->values()
|
||
|
|
->all();
|
||
|
|
}
|
||
|
|
|
||
|
|
return [$attribute];
|
||
|
|
}
|
||
|
|
}
|