612 lines
14 KiB
PHP
612 lines
14 KiB
PHP
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<?php namespace Illuminate\Database\Schema\Grammars;
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use Illuminate\Support\Fluent;
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use Illuminate\Database\Connection;
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use Illuminate\Database\Schema\Blueprint;
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class SQLiteGrammar extends Grammar {
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/**
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* The possible column modifiers.
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*
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* @var array
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*/
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protected $modifiers = array('Nullable', 'Default', 'Increment');
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/**
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* The columns available as serials.
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*
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* @var array
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*/
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protected $serials = array('bigInteger', 'integer');
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/**
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* Compile the query to determine if a table exists.
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*
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* @return string
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*/
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public function compileTableExists()
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{
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return "select * from sqlite_master where type = 'table' and name = ?";
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}
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/**
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* Compile the query to determine the list of columns.
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*
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* @param string $table
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* @return string
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*/
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public function compileColumnExists($table)
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{
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return 'pragma table_info('.str_replace('.', '__', $table).')';
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}
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/**
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* Compile a create table command.
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*
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* @param \Illuminate\Database\Schema\Blueprint $blueprint
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* @param \Illuminate\Support\Fluent $command
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* @return string
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*/
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public function compileCreate(Blueprint $blueprint, Fluent $command)
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{
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$columns = implode(', ', $this->getColumns($blueprint));
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$sql = 'create table '.$this->wrapTable($blueprint)." ($columns";
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// SQLite forces primary keys to be added when the table is initially created
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// so we will need to check for a primary key commands and add the columns
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// to the table's declaration here so they can be created on the tables.
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$sql .= (string) $this->addForeignKeys($blueprint);
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$sql .= (string) $this->addPrimaryKeys($blueprint);
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return $sql.')';
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}
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/**
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* Get the foreign key syntax for a table creation statement.
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*
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* @param \Illuminate\Database\Schema\Blueprint $blueprint
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* @return string|null
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*/
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protected function addForeignKeys(Blueprint $blueprint)
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{
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$sql = '';
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$foreigns = $this->getCommandsByName($blueprint, 'foreign');
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// Once we have all the foreign key commands for the table creation statement
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// we'll loop through each of them and add them to the create table SQL we
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// are building, since SQLite needs foreign keys on the tables creation.
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foreach ($foreigns as $foreign)
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{
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$sql .= $this->getForeignKey($foreign);
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if ( ! is_null($foreign->onDelete))
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{
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$sql .= " on delete {$foreign->onDelete}";
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}
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if ( ! is_null($foreign->onUpdate))
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{
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$sql .= " on update {$foreign->onUpdate}";
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}
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}
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return $sql;
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}
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/**
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* Get the SQL for the foreign key.
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*
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* @param \Illuminate\Support\Fluent $foreign
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* @return string
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*/
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protected function getForeignKey($foreign)
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{
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$on = $this->wrapTable($foreign->on);
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// We need to columnize the columns that the foreign key is being defined for
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// so that it is a properly formatted list. Once we have done this, we can
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// return the foreign key SQL declaration to the calling method for use.
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$columns = $this->columnize($foreign->columns);
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$onColumns = $this->columnize((array) $foreign->references);
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return ", foreign key($columns) references $on($onColumns)";
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}
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/**
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* Get the primary key syntax for a table creation statement.
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*
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* @param \Illuminate\Database\Schema\Blueprint $blueprint
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* @return string|null
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*/
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protected function addPrimaryKeys(Blueprint $blueprint)
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{
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$primary = $this->getCommandByName($blueprint, 'primary');
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if ( ! is_null($primary))
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{
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$columns = $this->columnize($primary->columns);
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return ", primary key ({$columns})";
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}
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}
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/**
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* Compile alter table commands for adding columns.
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*
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* @param \Illuminate\Database\Schema\Blueprint $blueprint
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* @param \Illuminate\Support\Fluent $command
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* @return array
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*/
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public function compileAdd(Blueprint $blueprint, Fluent $command)
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{
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$table = $this->wrapTable($blueprint);
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$columns = $this->prefixArray('add column', $this->getColumns($blueprint));
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$statements = array();
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foreach ($columns as $column)
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{
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$statements[] = 'alter table '.$table.' '.$column;
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}
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return $statements;
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}
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/**
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* Compile a unique key command.
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*
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* @param \Illuminate\Database\Schema\Blueprint $blueprint
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* @param \Illuminate\Support\Fluent $command
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* @return string
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*/
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public function compileUnique(Blueprint $blueprint, Fluent $command)
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{
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$columns = $this->columnize($command->columns);
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$table = $this->wrapTable($blueprint);
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return "create unique index {$command->index} on {$table} ({$columns})";
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}
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/**
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* Compile a plain index key command.
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*
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* @param \Illuminate\Database\Schema\Blueprint $blueprint
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* @param \Illuminate\Support\Fluent $command
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* @return string
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*/
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public function compileIndex(Blueprint $blueprint, Fluent $command)
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{
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$columns = $this->columnize($command->columns);
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$table = $this->wrapTable($blueprint);
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return "create index {$command->index} on {$table} ({$columns})";
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}
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/**
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* Compile a foreign key command.
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*
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* @param \Illuminate\Database\Schema\Blueprint $blueprint
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* @param \Illuminate\Support\Fluent $command
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* @return string
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*/
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public function compileForeign(Blueprint $blueprint, Fluent $command)
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{
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// Handled on table creation...
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}
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/**
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* Compile a drop table command.
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*
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* @param \Illuminate\Database\Schema\Blueprint $blueprint
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* @param \Illuminate\Support\Fluent $command
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* @return string
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*/
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public function compileDrop(Blueprint $blueprint, Fluent $command)
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{
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return 'drop table '.$this->wrapTable($blueprint);
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}
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/**
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* Compile a drop table (if exists) command.
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*
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* @param \Illuminate\Database\Schema\Blueprint $blueprint
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* @param \Illuminate\Support\Fluent $command
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* @return string
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*/
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public function compileDropIfExists(Blueprint $blueprint, Fluent $command)
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{
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return 'drop table if exists '.$this->wrapTable($blueprint);
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}
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/**
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* Compile a drop column command.
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*
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* @param \Illuminate\Database\Schema\Blueprint $blueprint
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* @param \Illuminate\Support\Fluent $command
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* @param \Illuminate\Database\Connection $connection
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* @return array
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*/
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public function compileDropColumn(Blueprint $blueprint, Fluent $command, Connection $connection)
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{
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$schema = $connection->getDoctrineSchemaManager();
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$tableDiff = $this->getDoctrineTableDiff($blueprint, $schema);
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foreach ($command->columns as $name)
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{
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$column = $connection->getDoctrineColumn($blueprint->getTable(), $name);
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$tableDiff->removedColumns[$name] = $column;
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}
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return (array) $schema->getDatabasePlatform()->getAlterTableSQL($tableDiff);
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}
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/**
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* Compile a drop unique key command.
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*
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* @param \Illuminate\Database\Schema\Blueprint $blueprint
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* @param \Illuminate\Support\Fluent $command
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* @return string
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*/
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public function compileDropUnique(Blueprint $blueprint, Fluent $command)
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{
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return "drop index {$command->index}";
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}
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/**
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* Compile a drop index command.
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*
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* @param \Illuminate\Database\Schema\Blueprint $blueprint
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* @param \Illuminate\Support\Fluent $command
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* @return string
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*/
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public function compileDropIndex(Blueprint $blueprint, Fluent $command)
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{
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return "drop index {$command->index}";
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}
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/**
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* Compile a rename table command.
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*
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* @param \Illuminate\Database\Schema\Blueprint $blueprint
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* @param \Illuminate\Support\Fluent $command
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* @return string
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*/
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public function compileRename(Blueprint $blueprint, Fluent $command)
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{
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$from = $this->wrapTable($blueprint);
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return "alter table {$from} rename to ".$this->wrapTable($command->to);
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}
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/**
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* Create the column definition for a char type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeChar(Fluent $column)
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{
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return 'varchar';
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}
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/**
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* Create the column definition for a string type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeString(Fluent $column)
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{
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return 'varchar';
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}
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/**
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* Create the column definition for a text type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeText(Fluent $column)
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{
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return 'text';
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}
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/**
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* Create the column definition for a medium text type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeMediumText(Fluent $column)
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{
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return 'text';
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}
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/**
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* Create the column definition for a long text type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeLongText(Fluent $column)
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{
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return 'text';
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}
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/**
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* Create the column definition for a integer type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeInteger(Fluent $column)
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{
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return 'integer';
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}
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/**
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* Create the column definition for a big integer type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeBigInteger(Fluent $column)
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{
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return 'integer';
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}
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/**
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* Create the column definition for a medium integer type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeMediumInteger(Fluent $column)
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{
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return 'integer';
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}
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/**
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* Create the column definition for a tiny integer type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeTinyInteger(Fluent $column)
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{
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return 'integer';
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}
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/**
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* Create the column definition for a small integer type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeSmallInteger(Fluent $column)
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{
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return 'integer';
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}
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/**
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* Create the column definition for a float type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeFloat(Fluent $column)
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{
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return 'float';
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}
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/**
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* Create the column definition for a double type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeDouble(Fluent $column)
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{
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return 'float';
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}
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/**
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* Create the column definition for a decimal type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeDecimal(Fluent $column)
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{
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return 'numeric';
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}
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/**
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* Create the column definition for a boolean type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeBoolean(Fluent $column)
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{
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return 'tinyint';
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}
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/**
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* Create the column definition for an enum type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeEnum(Fluent $column)
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{
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return 'varchar';
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}
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/**
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* Create the column definition for a json type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeJson(Fluent $column)
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{
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return 'text';
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}
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/**
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* Create the column definition for a jsonb type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeJsonb(Fluent $column)
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{
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return 'text';
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}
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/**
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* Create the column definition for a date type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeDate(Fluent $column)
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{
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return 'date';
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}
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/**
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* Create the column definition for a date-time type.
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*
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* @param \Illuminate\Support\Fluent $column
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* @return string
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*/
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protected function typeDateTime(Fluent $column)
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{
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return 'datetime';
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}
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/**
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* Create the column definition for a date-time type.
|
||
|
*
|
||
|
* Note: "SQLite does not have a storage class set aside for storing dates and/or times."
|
||
|
* @link https://www.sqlite.org/datatype3.html
|
||
|
*
|
||
|
* @param \Illuminate\Support\Fluent $column
|
||
|
* @return string
|
||
|
*/
|
||
|
protected function typeDateTimeTz(Fluent $column)
|
||
|
{
|
||
|
return 'datetime';
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Create the column definition for a time type.
|
||
|
*
|
||
|
* @param \Illuminate\Support\Fluent $column
|
||
|
* @return string
|
||
|
*/
|
||
|
protected function typeTime(Fluent $column)
|
||
|
{
|
||
|
return 'time';
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Create the column definition for a time type.
|
||
|
*
|
||
|
* @param \Illuminate\Support\Fluent $column
|
||
|
* @return string
|
||
|
*/
|
||
|
protected function typeTimeTz(Fluent $column)
|
||
|
{
|
||
|
return 'time';
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Create the column definition for a timestamp type.
|
||
|
*
|
||
|
* @param \Illuminate\Support\Fluent $column
|
||
|
* @return string
|
||
|
*/
|
||
|
protected function typeTimestamp(Fluent $column)
|
||
|
{
|
||
|
return 'datetime';
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Create the column definition for a timestamp type.
|
||
|
*
|
||
|
* @param \Illuminate\Support\Fluent $column
|
||
|
* @return string
|
||
|
*/
|
||
|
protected function typeTimestampTz(Fluent $column)
|
||
|
{
|
||
|
return 'datetime';
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Create the column definition for a binary type.
|
||
|
*
|
||
|
* @param \Illuminate\Support\Fluent $column
|
||
|
* @return string
|
||
|
*/
|
||
|
protected function typeBinary(Fluent $column)
|
||
|
{
|
||
|
return 'blob';
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Get the SQL for a nullable column modifier.
|
||
|
*
|
||
|
* @param \Illuminate\Database\Schema\Blueprint $blueprint
|
||
|
* @param \Illuminate\Support\Fluent $column
|
||
|
* @return string|null
|
||
|
*/
|
||
|
protected function modifyNullable(Blueprint $blueprint, Fluent $column)
|
||
|
{
|
||
|
return $column->nullable ? ' null' : ' not null';
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Get the SQL for a default column modifier.
|
||
|
*
|
||
|
* @param \Illuminate\Database\Schema\Blueprint $blueprint
|
||
|
* @param \Illuminate\Support\Fluent $column
|
||
|
* @return string|null
|
||
|
*/
|
||
|
protected function modifyDefault(Blueprint $blueprint, Fluent $column)
|
||
|
{
|
||
|
if ( ! is_null($column->default))
|
||
|
{
|
||
|
return " default ".$this->getDefaultValue($column->default);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Get the SQL for an auto-increment column modifier.
|
||
|
*
|
||
|
* @param \Illuminate\Database\Schema\Blueprint $blueprint
|
||
|
* @param \Illuminate\Support\Fluent $column
|
||
|
* @return string|null
|
||
|
*/
|
||
|
protected function modifyIncrement(Blueprint $blueprint, Fluent $column)
|
||
|
{
|
||
|
if (in_array($column->type, $this->serials) && $column->autoIncrement)
|
||
|
{
|
||
|
return ' primary key autoincrement';
|
||
|
}
|
||
|
}
|
||
|
|
||
|
}
|