Total: 22
.NET Framework
Test
2021
Project Request
ASP.NET MVC • C# • SQL Server
Idea of the project: if someone wants to order a project development, here you can send an application.
Test
2020
ProjectC
ASP.NET MVC • C# • JSON • jQuery
JSON data processing.
Test
2020
Vehicle Maintenance
ASP.NET MVC • VB.NET • JSON
Idea of the project: if someone wants to order a project development, here you can send an application.
Test
2019
Movie Navigator
ASP.NET MVC • VB.NET
Request information about movie from IMDB.
Test
2018
Customers Exchange
ASP.NET MVC • C# • SQL Server
Automated teller machine emulation.
Test
2016
ATM
ASP.NET MVC • C#
Automated teller machine emulation.
.NET Core
Pet project
2022
Mail Daemon
.NET 9 • Console • JSON
Utility to send mails with customizable settings.
Custom
Code
2024
Buns of code
.NET Framework • C# • JavaScript
Code snippets from my projects, ready to use; tiny tests; code examples.
PHP
Test
2024
Mediabox
PHP 8 • Laravel 11 • Vue.js • Composer • SQLite
Test project for media files management.
Test
2020
Loan Castle
PHP • MariaDB
Jums jāizstrādā kāda lielāk projekta prototips. Izstrādājot prototipu, paturiet prātā, ka projektam attīstoties, šo prototipu varētu vajadzēt pilnveidot.
Test
2020
Content Management
PHP • MySQL • AJAX
Создать простой сайт, где будет страница с формой для авторизации и страница для авторизованного пользователя.
Test
2019
Laravel
PHP • Laravel • Vue.js • Composer • SQLite
Izveidot aplikāciju, kura ik pēc noteikta intervāla (60 sekundes) veic ierakstu datubāzē izmantojot Laravel freimworka iebūvēto funkcionalitāti.
Test
2019
Phone Check
PHP • JavaScript • JSON • Docker
Implement application to detect country by phone number.
Frontend
Test
2021
Forex Wall
npm • React
For this exercise, what we need is a simple live wall for tracking currencies.
Business projects
Commercial
2008
Certification Center
.NET Framework 4.8 • ASP.NET Web Forms • C# • LINQ • SQL Server • ADO.NET • Dapper • JavaScript • jQuery • Git
Transport registration and certification services in Latvia, Customer Relationship Management.
Commercial
2000
Amerikas Auto
.NET Framework 4.8 • ASP.NET Web Forms • C# • LINQ • SQL Server • ADO.NET • Entity Framework • JavaScript • jQuery • Git
Car service and spare parts for all USA and European car models, Customer Relationship Management.
Pet projects
Pet project
2023
Geolocation Assistant
.NET 8 • ASP.NET Core • C# • Web API • JSON • Git
Website for determining geolocation by IP or geotagged photo.
Pet project
2008
Web Dynamics
.NET Framework 4.8 • ASP.NET Web Forms • C# • LINQ • Web API • JSON • SQL Server • Dapper • JavaScript • jQuery • SVG • Git
Software development blog. Articles, books, videos, content management.
Pet project
2000
Blackball
.NET Framework 4.8 • ASP.NET Web Forms • C# • LINQ • Web API • JSON • XML • SQL Server • Dapper • JavaScript • jQuery • SVG • Git
My entertainment portal created from scratch.
Good old times
Legacy
2000
DOS Clock
Turbo Pascal • Assembler
Digital clock.
Legacy
2000
BrainOut
Turbo Pascal • Assembler
Tank battle game.
Legacy
1999
Airport Administrator
Turbo Pascal
Курсовая работа в институте.
Legacy
1998
Atomizer
Turbo Pascal • Assembler
Atomizer, aka «Studio2D». Graphic raster editor. AGI is my own «Atomizer Generated Image» file format.
Laravel
2019 TestIzveidot aplikāciju, kura ik pēc noteikta intervāla (60 sekundes) veic ierakstu datubāzē izmantojot Laravel freimworka iebūvēto funkcionalitāti.
PHP
Laravel
Vue.js
Composer
SQLite
Source code
<?php
namespace Illuminate\Database\Query\Grammars;
use RuntimeException;
use Illuminate\Support\Arr;
use Illuminate\Support\Str;
use Illuminate\Database\Query\Builder;
use Illuminate\Database\Query\JoinClause;
use Illuminate\Database\Grammar as BaseGrammar;
class Grammar extends BaseGrammar
{
/**
* The grammar specific operators.
*
* @var array
*/
protected $operators = [];
/**
* The components that make up a select clause.
*
* @var array
*/
protected $selectComponents = [
'aggregate',
'columns',
'from',
'joins',
'wheres',
'groups',
'havings',
'orders',
'limit',
'offset',
'unions',
'lock',
];
/**
* Compile a select query into SQL.
*
* @param \Illuminate\Database\Query\Builder $query
* @return string
*/
public function compileSelect(Builder $query)
{
if ($query->unions && $query->aggregate) {
return $this->compileUnionAggregate($query);
}
// If the query does not have any columns set, we'll set the columns to the
// * character to just get all of the columns from the database. Then we
// can build the query and concatenate all the pieces together as one.
$original = $query->columns;
if (is_null($query->columns)) {
$query->columns = ['*'];
}
// To compile the query, we'll spin through each component of the query and
// see if that component exists. If it does we'll just call the compiler
// function for the component which is responsible for making the SQL.
$sql = trim($this->concatenate(
$this->compileComponents($query))
);
$query->columns = $original;
return $sql;
}
/**
* Compile the components necessary for a select clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @return array
*/
protected function compileComponents(Builder $query)
{
$sql = [];
foreach ($this->selectComponents as $component) {
// To compile the query, we'll spin through each component of the query and
// see if that component exists. If it does we'll just call the compiler
// function for the component which is responsible for making the SQL.
if (isset($query->$component) && ! is_null($query->$component)) {
$method = 'compile'.ucfirst($component);
$sql[$component] = $this->$method($query, $query->$component);
}
}
return $sql;
}
/**
* Compile an aggregated select clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $aggregate
* @return string
*/
protected function compileAggregate(Builder $query, $aggregate)
{
$column = $this->columnize($aggregate['columns']);
// If the query has a "distinct" constraint and we're not asking for all columns
// we need to prepend "distinct" onto the column name so that the query takes
// it into account when it performs the aggregating operations on the data.
if ($query->distinct && $column !== '*') {
$column = 'distinct '.$column;
}
return 'select '.$aggregate['function'].'('.$column.') as aggregate';
}
/**
* Compile the "select *" portion of the query.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $columns
* @return string|null
*/
protected function compileColumns(Builder $query, $columns)
{
// If the query is actually performing an aggregating select, we will let that
// compiler handle the building of the select clauses, as it will need some
// more syntax that is best handled by that function to keep things neat.
if (! is_null($query->aggregate)) {
return;
}
$select = $query->distinct ? 'select distinct ' : 'select ';
return $select.$this->columnize($columns);
}
/**
* Compile the "from" portion of the query.
*
* @param \Illuminate\Database\Query\Builder $query
* @param string $table
* @return string
*/
protected function compileFrom(Builder $query, $table)
{
return 'from '.$this->wrapTable($table);
}
/**
* Compile the "join" portions of the query.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $joins
* @return string
*/
protected function compileJoins(Builder $query, $joins)
{
return collect($joins)->map(function ($join) use ($query) {
$table = $this->wrapTable($join->table);
$nestedJoins = is_null($join->joins) ? '' : ' '.$this->compileJoins($query, $join->joins);
$tableAndNestedJoins = is_null($join->joins) ? $table : '('.$table.$nestedJoins.')';
return trim("{$join->type} join {$tableAndNestedJoins} {$this->compileWheres($join)}");
})->implode(' ');
}
/**
* Compile the "where" portions of the query.
*
* @param \Illuminate\Database\Query\Builder $query
* @return string
*/
protected function compileWheres(Builder $query)
{
// Each type of where clauses has its own compiler function which is responsible
// for actually creating the where clauses SQL. This helps keep the code nice
// and maintainable since each clause has a very small method that it uses.
if (is_null($query->wheres)) {
return '';
}
// If we actually have some where clauses, we will strip off the first boolean
// operator, which is added by the query builders for convenience so we can
// avoid checking for the first clauses in each of the compilers methods.
if (count($sql = $this->compileWheresToArray($query)) > 0) {
return $this->concatenateWhereClauses($query, $sql);
}
return '';
}
/**
* Get an array of all the where clauses for the query.
*
* @param \Illuminate\Database\Query\Builder $query
* @return array
*/
protected function compileWheresToArray($query)
{
return collect($query->wheres)->map(function ($where) use ($query) {
return $where['boolean'].' '.$this->{"where{$where['type']}"}($query, $where);
})->all();
}
/**
* Format the where clause statements into one string.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $sql
* @return string
*/
protected function concatenateWhereClauses($query, $sql)
{
$conjunction = $query instanceof JoinClause ? 'on' : 'where';
return $conjunction.' '.$this->removeLeadingBoolean(implode(' ', $sql));
}
/**
* Compile a raw where clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereRaw(Builder $query, $where)
{
return $where['sql'];
}
/**
* Compile a basic where clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereBasic(Builder $query, $where)
{
$value = $this->parameter($where['value']);
return $this->wrap($where['column']).' '.$where['operator'].' '.$value;
}
/**
* Compile a "where in" clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereIn(Builder $query, $where)
{
if (! empty($where['values'])) {
return $this->wrap($where['column']).' in ('.$this->parameterize($where['values']).')';
}
return '0 = 1';
}
/**
* Compile a "where not in" clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereNotIn(Builder $query, $where)
{
if (! empty($where['values'])) {
return $this->wrap($where['column']).' not in ('.$this->parameterize($where['values']).')';
}
return '1 = 1';
}
/**
* Compile a "where not in raw" clause.
*
* For safety, whereIntegerInRaw ensures this method is only used with integer values.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereNotInRaw(Builder $query, $where)
{
if (! empty($where['values'])) {
return $this->wrap($where['column']).' not in ('.implode(', ', $where['values']).')';
}
return '1 = 1';
}
/**
* Compile a where in sub-select clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereInSub(Builder $query, $where)
{
return $this->wrap($where['column']).' in ('.$this->compileSelect($where['query']).')';
}
/**
* Compile a where not in sub-select clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereNotInSub(Builder $query, $where)
{
return $this->wrap($where['column']).' not in ('.$this->compileSelect($where['query']).')';
}
/**
* Compile a "where in raw" clause.
*
* For safety, whereIntegerInRaw ensures this method is only used with integer values.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereInRaw(Builder $query, $where)
{
if (! empty($where['values'])) {
return $this->wrap($where['column']).' in ('.implode(', ', $where['values']).')';
}
return '0 = 1';
}
/**
* Compile a "where null" clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereNull(Builder $query, $where)
{
return $this->wrap($where['column']).' is null';
}
/**
* Compile a "where not null" clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereNotNull(Builder $query, $where)
{
return $this->wrap($where['column']).' is not null';
}
/**
* Compile a "between" where clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereBetween(Builder $query, $where)
{
$between = $where['not'] ? 'not between' : 'between';
$min = $this->parameter(reset($where['values']));
$max = $this->parameter(end($where['values']));
return $this->wrap($where['column']).' '.$between.' '.$min.' and '.$max;
}
/**
* Compile a "where date" clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereDate(Builder $query, $where)
{
return $this->dateBasedWhere('date', $query, $where);
}
/**
* Compile a "where time" clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereTime(Builder $query, $where)
{
return $this->dateBasedWhere('time', $query, $where);
}
/**
* Compile a "where day" clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereDay(Builder $query, $where)
{
return $this->dateBasedWhere('day', $query, $where);
}
/**
* Compile a "where month" clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereMonth(Builder $query, $where)
{
return $this->dateBasedWhere('month', $query, $where);
}
/**
* Compile a "where year" clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereYear(Builder $query, $where)
{
return $this->dateBasedWhere('year', $query, $where);
}
/**
* Compile a date based where clause.
*
* @param string $type
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function dateBasedWhere($type, Builder $query, $where)
{
$value = $this->parameter($where['value']);
return $type.'('.$this->wrap($where['column']).') '.$where['operator'].' '.$value;
}
/**
* Compile a where clause comparing two columns..
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereColumn(Builder $query, $where)
{
return $this->wrap($where['first']).' '.$where['operator'].' '.$this->wrap($where['second']);
}
/**
* Compile a nested where clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereNested(Builder $query, $where)
{
// Here we will calculate what portion of the string we need to remove. If this
// is a join clause query, we need to remove the "on" portion of the SQL and
// if it is a normal query we need to take the leading "where" of queries.
$offset = $query instanceof JoinClause ? 3 : 6;
return '('.substr($this->compileWheres($where['query']), $offset).')';
}
/**
* Compile a where condition with a sub-select.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereSub(Builder $query, $where)
{
$select = $this->compileSelect($where['query']);
return $this->wrap($where['column']).' '.$where['operator']." ($select)";
}
/**
* Compile a where exists clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereExists(Builder $query, $where)
{
return 'exists ('.$this->compileSelect($where['query']).')';
}
/**
* Compile a where exists clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereNotExists(Builder $query, $where)
{
return 'not exists ('.$this->compileSelect($where['query']).')';
}
/**
* Compile a where row values condition.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereRowValues(Builder $query, $where)
{
$columns = $this->columnize($where['columns']);
$values = $this->parameterize($where['values']);
return '('.$columns.') '.$where['operator'].' ('.$values.')';
}
/**
* Compile a "where JSON boolean" clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereJsonBoolean(Builder $query, $where)
{
$column = $this->wrapJsonBooleanSelector($where['column']);
$value = $this->wrapJsonBooleanValue(
$this->parameter($where['value'])
);
return $column.' '.$where['operator'].' '.$value;
}
/**
* Compile a "where JSON contains" clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereJsonContains(Builder $query, $where)
{
$not = $where['not'] ? 'not ' : '';
return $not.$this->compileJsonContains(
$where['column'], $this->parameter($where['value'])
);
}
/**
* Compile a "JSON contains" statement into SQL.
*
* @param string $column
* @param string $value
* @return string
*
* @throws \RuntimeException
*/
protected function compileJsonContains($column, $value)
{
throw new RuntimeException('This database engine does not support JSON contains operations.');
}
/**
* Prepare the binding for a "JSON contains" statement.
*
* @param mixed $binding
* @return string
*/
public function prepareBindingForJsonContains($binding)
{
return json_encode($binding);
}
/**
* Compile a "where JSON length" clause.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $where
* @return string
*/
protected function whereJsonLength(Builder $query, $where)
{
return $this->compileJsonLength(
$where['column'], $where['operator'], $this->parameter($where['value'])
);
}
/**
* Compile a "JSON length" statement into SQL.
*
* @param string $column
* @param string $operator
* @param string $value
* @return string
*
* @throws \RuntimeException
*/
protected function compileJsonLength($column, $operator, $value)
{
throw new RuntimeException('This database engine does not support JSON length operations.');
}
/**
* Compile the "group by" portions of the query.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $groups
* @return string
*/
protected function compileGroups(Builder $query, $groups)
{
return 'group by '.$this->columnize($groups);
}
/**
* Compile the "having" portions of the query.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $havings
* @return string
*/
protected function compileHavings(Builder $query, $havings)
{
$sql = implode(' ', array_map([$this, 'compileHaving'], $havings));
return 'having '.$this->removeLeadingBoolean($sql);
}
/**
* Compile a single having clause.
*
* @param array $having
* @return string
*/
protected function compileHaving(array $having)
{
// If the having clause is "raw", we can just return the clause straight away
// without doing any more processing on it. Otherwise, we will compile the
// clause into SQL based on the components that make it up from builder.
if ($having['type'] === 'Raw') {
return $having['boolean'].' '.$having['sql'];
} elseif ($having['type'] === 'between') {
return $this->compileHavingBetween($having);
}
return $this->compileBasicHaving($having);
}
/**
* Compile a basic having clause.
*
* @param array $having
* @return string
*/
protected function compileBasicHaving($having)
{
$column = $this->wrap($having['column']);
$parameter = $this->parameter($having['value']);
return $having['boolean'].' '.$column.' '.$having['operator'].' '.$parameter;
}
/**
* Compile a "between" having clause.
*
* @param array $having
* @return string
*/
protected function compileHavingBetween($having)
{
$between = $having['not'] ? 'not between' : 'between';
$column = $this->wrap($having['column']);
$min = $this->parameter(head($having['values']));
$max = $this->parameter(last($having['values']));
return $having['boolean'].' '.$column.' '.$between.' '.$min.' and '.$max;
}
/**
* Compile the "order by" portions of the query.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $orders
* @return string
*/
protected function compileOrders(Builder $query, $orders)
{
if (! empty($orders)) {
return 'order by '.implode(', ', $this->compileOrdersToArray($query, $orders));
}
return '';
}
/**
* Compile the query orders to an array.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $orders
* @return array
*/
protected function compileOrdersToArray(Builder $query, $orders)
{
return array_map(function ($order) {
return $order['sql'] ?? $this->wrap($order['column']).' '.$order['direction'];
}, $orders);
}
/**
* Compile the random statement into SQL.
*
* @param string $seed
* @return string
*/
public function compileRandom($seed)
{
return 'RANDOM()';
}
/**
* Compile the "limit" portions of the query.
*
* @param \Illuminate\Database\Query\Builder $query
* @param int $limit
* @return string
*/
protected function compileLimit(Builder $query, $limit)
{
return 'limit '.(int) $limit;
}
/**
* Compile the "offset" portions of the query.
*
* @param \Illuminate\Database\Query\Builder $query
* @param int $offset
* @return string
*/
protected function compileOffset(Builder $query, $offset)
{
return 'offset '.(int) $offset;
}
/**
* Compile the "union" queries attached to the main query.
*
* @param \Illuminate\Database\Query\Builder $query
* @return string
*/
protected function compileUnions(Builder $query)
{
$sql = '';
foreach ($query->unions as $union) {
$sql .= $this->compileUnion($union);
}
if (! empty($query->unionOrders)) {
$sql .= ' '.$this->compileOrders($query, $query->unionOrders);
}
if (isset($query->unionLimit)) {
$sql .= ' '.$this->compileLimit($query, $query->unionLimit);
}
if (isset($query->unionOffset)) {
$sql .= ' '.$this->compileOffset($query, $query->unionOffset);
}
return ltrim($sql);
}
/**
* Compile a single union statement.
*
* @param array $union
* @return string
*/
protected function compileUnion(array $union)
{
$conjunction = $union['all'] ? ' union all ' : ' union ';
return $conjunction.$union['query']->toSql();
}
/**
* Compile a union aggregate query into SQL.
*
* @param \Illuminate\Database\Query\Builder $query
* @return string
*/
protected function compileUnionAggregate(Builder $query)
{
$sql = $this->compileAggregate($query, $query->aggregate);
$query->aggregate = null;
return $sql.' from ('.$this->compileSelect($query).') as '.$this->wrapTable('temp_table');
}
/**
* Compile an exists statement into SQL.
*
* @param \Illuminate\Database\Query\Builder $query
* @return string
*/
public function compileExists(Builder $query)
{
$select = $this->compileSelect($query);
return "select exists({$select}) as {$this->wrap('exists')}";
}
/**
* Compile an insert statement into SQL.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $values
* @return string
*/
public function compileInsert(Builder $query, array $values)
{
// Essentially we will force every insert to be treated as a batch insert which
// simply makes creating the SQL easier for us since we can utilize the same
// basic routine regardless of an amount of records given to us to insert.
$table = $this->wrapTable($query->from);
if (! is_array(reset($values))) {
$values = [$values];
}
$columns = $this->columnize(array_keys(reset($values)));
// We need to build a list of parameter place-holders of values that are bound
// to the query. Each insert should have the exact same amount of parameter
// bindings so we will loop through the record and parameterize them all.
$parameters = collect($values)->map(function ($record) {
return '('.$this->parameterize($record).')';
})->implode(', ');
return "insert into $table ($columns) values $parameters";
}
/**
* Compile an insert and get ID statement into SQL.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $values
* @param string $sequence
* @return string
*/
public function compileInsertGetId(Builder $query, $values, $sequence)
{
return $this->compileInsert($query, $values);
}
/**
* Compile an insert statement using a subquery into SQL.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $columns
* @param string $sql
* @return string
*/
public function compileInsertUsing(Builder $query, array $columns, string $sql)
{
return "insert into {$this->wrapTable($query->from)} ({$this->columnize($columns)}) $sql";
}
/**
* Compile an update statement into SQL.
*
* @param \Illuminate\Database\Query\Builder $query
* @param array $values
* @return string
*/
public function compileUpdate(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.
$columns = collect($values)->map(function ($value, $key) {
return $this->wrap($key).' = '.$this->parameter($value);
})->implode(', ');
// If the query has any "join" clauses, we will setup the joins on the builder
// and compile them so we can attach them to this update, as update queries
// can get join statements to attach to other tables when they're needed.
$joins = '';
if (isset($query->joins)) {
$joins = ' '.$this->compileJoins($query, $query->joins);
}
// Of course, update queries may also be constrained by where clauses so we'll
// need to compile the where clauses and attach it to the query so only the
// intended records are updated by the SQL statements we generate to run.
$wheres = $this->compileWheres($query);
return trim("update {$table}{$joins} set $columns $wheres");
}
/**
* Prepare the bindings for an update statement.
*
* @param array $bindings
* @param array $values
* @return array
*/
public function prepareBindingsForUpdate(array $bindings, array $values)
{
$cleanBindings = Arr::except($bindings, ['join', 'select']);
return array_values(
array_merge($bindings['join'], $values, Arr::flatten($cleanBindings))
);
}
/**
* Compile a delete statement into SQL.
*
* @param \Illuminate\Database\Query\Builder $query
* @return string
*/
public function compileDelete(Builder $query)
{
$wheres = is_array($query->wheres) ? $this->compileWheres($query) : '';
return trim("delete from {$this->wrapTable($query->from)} $wheres");
}
/**
* Prepare the bindings for a delete statement.
*
* @param array $bindings
* @return array
*/
public function prepareBindingsForDelete(array $bindings)
{
return Arr::flatten($bindings);
}
/**
* 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) => []];
}
/**
* Compile the lock into SQL.
*
* @param \Illuminate\Database\Query\Builder $query
* @param bool|string $value
* @return string
*/
protected function compileLock(Builder $query, $value)
{
return is_string($value) ? $value : '';
}
/**
* Determine if the grammar supports savepoints.
*
* @return bool
*/
public function supportsSavepoints()
{
return true;
}
/**
* Compile the SQL statement to define a savepoint.
*
* @param string $name
* @return string
*/
public function compileSavepoint($name)
{
return 'SAVEPOINT '.$name;
}
/**
* Compile the SQL statement to execute a savepoint rollback.
*
* @param string $name
* @return string
*/
public function compileSavepointRollBack($name)
{
return 'ROLLBACK TO SAVEPOINT '.$name;
}
/**
* Wrap a value in keyword identifiers.
*
* @param \Illuminate\Database\Query\Expression|string $value
* @param bool $prefixAlias
* @return string
*/
public function wrap($value, $prefixAlias = false)
{
if ($this->isExpression($value)) {
return $this->getValue($value);
}
// If the value being wrapped has a column alias we will need to separate out
// the pieces so we can wrap each of the segments of the expression on its
// own, and then join these both back together using the "as" connector.
if (stripos($value, ' as ') !== false) {
return $this->wrapAliasedValue($value, $prefixAlias);
}
// If the given value is a JSON selector we will wrap it differently than a
// traditional value. We will need to split this path and wrap each part
// wrapped, etc. Otherwise, we will simply wrap the value as a string.
if ($this->isJsonSelector($value)) {
return $this->wrapJsonSelector($value);
}
return $this->wrapSegments(explode('.', $value));
}
/**
* Wrap the given JSON selector.
*
* @param string $value
* @return string
*/
protected function wrapJsonSelector($value)
{
throw new RuntimeException('This database engine does not support JSON operations.');
}
/**
* Wrap the given JSON selector for boolean values.
*
* @param string $value
* @return string
*/
protected function wrapJsonBooleanSelector($value)
{
return $this->wrapJsonSelector($value);
}
/**
* Wrap the given JSON boolean value.
*
* @param string $value
* @return string
*/
protected function wrapJsonBooleanValue($value)
{
return $value;
}
/**
* Split the given JSON selector into the field and the optional path and wrap them separately.
*
* @param string $column
* @return array
*/
protected function wrapJsonFieldAndPath($column)
{
$parts = explode('->', $column, 2);
$field = $this->wrap($parts[0]);
$path = count($parts) > 1 ? ', '.$this->wrapJsonPath($parts[1], '->') : '';
return [$field, $path];
}
/**
* Wrap the given JSON path.
*
* @param string $value
* @param string $delimiter
* @return string
*/
protected function wrapJsonPath($value, $delimiter = '->')
{
$value = preg_replace("/([\\\\]+)?\\'/", "\\'", $value);
return '\'$."'.str_replace($delimiter, '"."', $value).'"\'';
}
/**
* Determine if the given string is a JSON selector.
*
* @param string $value
* @return bool
*/
protected function isJsonSelector($value)
{
return Str::contains($value, '->');
}
/**
* Concatenate an array of segments, removing empties.
*
* @param array $segments
* @return string
*/
protected function concatenate($segments)
{
return implode(' ', array_filter($segments, function ($value) {
return (string) $value !== '';
}));
}
/**
* Remove the leading boolean from a statement.
*
* @param string $value
* @return string
*/
protected function removeLeadingBoolean($value)
{
return preg_replace('/and |or /i', '', $value, 1);
}
/**
* Get the grammar specific operators.
*
* @return array
*/
public function getOperators()
{
return $this->operators;
}
}