src/Illuminate/Database/Schema/Grammars/SQLiteGrammar.php
<?php
namespace Illuminate\Database\Schema\Grammars;
use Illuminate\Database\Connection;
use Illuminate\Database\Query\Expression;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Schema\ColumnDefinition;
use Illuminate\Database\Schema\ForeignKeyDefinition;
use Illuminate\Database\Schema\IndexDefinition;
use Illuminate\Support\Arr;
use Illuminate\Support\Fluent;
use RuntimeException;
class SQLiteGrammar extends Grammar
{
/**
* The possible column modifiers.
*
* @var string[]
*/
protected $modifiers = ['Increment', 'Nullable', 'Default', 'Collate', 'VirtualAs', 'StoredAs'];
/**
* The columns available as serials.
*
* @var string[]
*/
protected $serials = ['bigInteger', 'integer', 'mediumInteger', 'smallInteger', 'tinyInteger'];
/**
* Compile the query to determine the SQL text that describes the given object.
*
* @param string $name
* @param string $type
* @return string
*/
public function compileSqlCreateStatement($name, $type = 'table')
{
return sprintf('select "sql" from sqlite_master where type = %s and name = %s',
$this->wrap($type),
$this->wrap(str_replace('.', '__', $name))
);
}
/**
* Compile the query to determine if the dbstat table is available.
*
* @return string
*/
public function compileDbstatExists()
{
return "select exists (select 1 from pragma_compile_options where compile_options = 'ENABLE_DBSTAT_VTAB') as enabled";
}
/**
* Compile the query to determine the tables.
*
* @param bool $withSize
* @return string
*/
public function compileTables($withSize = false)
{
return $withSize
? 'select m.tbl_name as name, sum(s.pgsize) as size from sqlite_master as m '
.'join dbstat as s on s.name = m.name '
."where m.type in ('table', 'index') and m.tbl_name not like 'sqlite_%' "
.'group by m.tbl_name '
.'order by m.tbl_name'
: "select name from sqlite_master where type = 'table' and name not like 'sqlite_%' order by name";
}
/**
* Compile the query to determine the views.
*
* @return string
*/
public function compileViews()
{
return "select name, sql as definition from sqlite_master where type = 'view' order by name";
}
/**
* Compile the query to determine the columns.
*
* @param string $table
* @return string
*/
public function compileColumns($table)
{
return sprintf(
'select name, type, not "notnull" as "nullable", dflt_value as "default", pk as "primary", hidden as "extra" '
.'from pragma_table_xinfo(%s) order by cid asc',
$this->wrap(str_replace('.', '__', $table))
);
}
/**
* Compile the query to determine the indexes.
*
* @param string $table
* @return string
*/
public function compileIndexes($table)
{
return sprintf(
'select "primary" as name, group_concat(col) as columns, 1 as "unique", 1 as "primary" '
.'from (select name as col from pragma_table_info(%s) where pk > 0 order by pk, cid) group by name '
.'union select name, group_concat(col) as columns, "unique", origin = "pk" as "primary" '
.'from (select il.*, ii.name as col from pragma_index_list(%s) il, pragma_index_info(il.name) ii order by il.seq, ii.seqno) '
.'group by name, "unique", "primary"',
$table = $this->wrap(str_replace('.', '__', $table)),
$table
);
}
/**
* Compile the query to determine the foreign keys.
*
* @param string $table
* @return string
*/
public function compileForeignKeys($table)
{
return sprintf(
'select group_concat("from") as columns, "table" as foreign_table, '
.'group_concat("to") as foreign_columns, on_update, on_delete '
.'from (select * from pragma_foreign_key_list(%s) order by id desc, seq) '
.'group by id, "table", on_update, on_delete',
$this->wrap(str_replace('.', '__', $table))
);
}
/**
* Compile a create table command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileCreate(Blueprint $blueprint, Fluent $command)
{
return sprintf('%s table %s (%s%s%s)',
$blueprint->temporary ? 'create temporary' : 'create',
$this->wrapTable($blueprint),
implode(', ', $this->getColumns($blueprint)),
$this->addForeignKeys($this->getCommandsByName($blueprint, 'foreign')),
$this->addPrimaryKeys($this->getCommandByName($blueprint, 'primary'))
);
}
/**
* Get the foreign key syntax for a table creation statement.
*
* @param \Illuminate\Database\Schema\ForeignKeyDefinition[] $foreignKeys
* @return string|null
*/
protected function addForeignKeys($foreignKeys)
{
return collect($foreignKeys)->reduce(function ($sql, $foreign) {
// Once we have all the foreign key commands for the table creation statement
// we'll loop through each of them and add them to the create table SQL we
// are building, since SQLite needs foreign keys on the tables creation.
return $sql.$this->getForeignKey($foreign);
}, '');
}
/**
* Get the SQL for the foreign key.
*
* @param \Illuminate\Support\Fluent $foreign
* @return string
*/
protected function getForeignKey($foreign)
{
// We need to columnize the columns that the foreign key is being defined for
// so that it is a properly formatted list. Once we have done this, we can
// return the foreign key SQL declaration to the calling method for use.
$sql = sprintf(', foreign key(%s) references %s(%s)',
$this->columnize($foreign->columns),
$this->wrapTable($foreign->on),
$this->columnize((array) $foreign->references)
);
if (! is_null($foreign->onDelete)) {
$sql .= " on delete {$foreign->onDelete}";
}
// If this foreign key specifies the action to be taken on update we will add
// that to the statement here. We'll append it to this SQL and then return
// this SQL so we can keep adding any other foreign constraints to this.
if (! is_null($foreign->onUpdate)) {
$sql .= " on update {$foreign->onUpdate}";
}
return $sql;
}
/**
* Get the primary key syntax for a table creation statement.
*
* @param \Illuminate\Support\Fluent|null $primary
* @return string|null
*/
protected function addPrimaryKeys($primary)
{
if (! is_null($primary)) {
return ", primary key ({$this->columnize($primary->columns)})";
}
}
/**
* Compile alter table commands for adding columns.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return array
*/
public function compileAdd(Blueprint $blueprint, Fluent $command)
{
$columns = $this->prefixArray('add column', $this->getColumns($blueprint));
return collect($columns)->map(function ($column) use ($blueprint) {
return 'alter table '.$this->wrapTable($blueprint).' '.$column;
})->all();
}
/**
* Compile a change column command into a series of SQL statements.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @param \Illuminate\Database\Connection $connection
* @return array|string
*
* @throws \RuntimeException
*/
public function compileChange(Blueprint $blueprint, Fluent $command, Connection $connection)
{
$schema = $connection->getSchemaBuilder();
$table = $blueprint->getTable();
$changedColumns = collect($blueprint->getChangedColumns());
$columnNames = [];
$autoIncrementColumn = null;
$columns = collect($schema->getColumns($table))
->map(function ($column) use ($blueprint, $changedColumns, &$columnNames, &$autoIncrementColumn) {
$column = $changedColumns->first(fn ($col) => $col->name === $column['name'], $column);
if ($column instanceof Fluent) {
$name = $this->wrap($column);
$autoIncrementColumn = $column->autoIncrement ? $column->name : $autoIncrementColumn;
if (is_null($column->virtualAs) && is_null($column->virtualAsJson) &&
is_null($column->storedAs) && is_null($column->storedAsJson)) {
$columnNames[] = $name;
}
return $this->addModifiers($name.' '.$this->getType($column), $blueprint, $column);
} else {
$name = $this->wrap($column['name']);
$autoIncrementColumn = $column['auto_increment'] ? $column['name'] : $autoIncrementColumn;
$isGenerated = ! is_null($column['generation']);
if (! $isGenerated) {
$columnNames[] = $name;
}
return $this->addModifiers($name.' '.$column['type'], $blueprint,
new ColumnDefinition([
'change' => true,
'type' => $column['type_name'],
'nullable' => $column['nullable'],
'default' => $column['default'] ? new Expression($column['default']) : null,
'autoIncrement' => $column['auto_increment'],
'collation' => $column['collation'],
'comment' => $column['comment'],
'virtualAs' => $isGenerated && $column['generation']['type'] === 'virtual'
? $column['generation']['expression'] : null,
'storedAs' => $isGenerated && $column['generation']['type'] === 'stored'
? $column['generation']['expression'] : null,
])
);
}
})->all();
$foreignKeys = collect($schema->getForeignKeys($table))->map(fn ($foreignKey) => new ForeignKeyDefinition([
'columns' => $foreignKey['columns'],
'on' => $foreignKey['foreign_table'],
'references' => $foreignKey['foreign_columns'],
'onUpdate' => $foreignKey['on_update'],
'onDelete' => $foreignKey['on_delete'],
]))->all();
[$primary, $indexes] = collect($schema->getIndexes($table))->map(fn ($index) => new IndexDefinition([
'name' => match (true) {
$index['primary'] => 'primary',
$index['unique'] => 'unique',
default => 'index',
},
'index' => $index['name'],
'columns' => $index['columns'],
]))->partition(fn ($index) => $index->name === 'primary');
$indexes = collect($indexes)->reject(fn ($index) => str_starts_with('sqlite_', $index->index))->map(
fn ($index) => $this->{'compile'.ucfirst($index->name)}($blueprint, $index)
)->all();
$tempTable = $this->wrap('__temp__'.$blueprint->getPrefix().$table);
$table = $this->wrapTable($blueprint);
$columnNames = implode(', ', $columnNames);
$foreignKeyConstraintsEnabled = $connection->scalar('pragma foreign_keys');
return array_filter(array_merge([
$foreignKeyConstraintsEnabled ? $this->compileDisableForeignKeyConstraints() : null,
sprintf('create table %s (%s%s%s)',
$tempTable,
implode(', ', $columns),
$this->addForeignKeys($foreignKeys),
$autoIncrementColumn ? '' : $this->addPrimaryKeys($primary->first())
),
sprintf('insert into %s (%s) select %s from %s', $tempTable, $columnNames, $columnNames, $table),
sprintf('drop table %s', $table),
sprintf('alter table %s rename to %s', $tempTable, $table),
], $indexes, [$foreignKeyConstraintsEnabled ? $this->compileEnableForeignKeyConstraints() : null]));
}
/**
* Compile a unique key command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileUnique(Blueprint $blueprint, Fluent $command)
{
return sprintf('create unique index %s on %s (%s)',
$this->wrap($command->index),
$this->wrapTable($blueprint),
$this->columnize($command->columns)
);
}
/**
* Compile a plain index key command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileIndex(Blueprint $blueprint, Fluent $command)
{
return sprintf('create index %s on %s (%s)',
$this->wrap($command->index),
$this->wrapTable($blueprint),
$this->columnize($command->columns)
);
}
/**
* Compile a spatial index key command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return void
*
* @throws \RuntimeException
*/
public function compileSpatialIndex(Blueprint $blueprint, Fluent $command)
{
throw new RuntimeException('The database driver in use does not support spatial indexes.');
}
/**
* Compile a foreign key command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string|null
*/
public function compileForeign(Blueprint $blueprint, Fluent $command)
{
// Handled on table creation...
}
/**
* Compile a drop table command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileDrop(Blueprint $blueprint, Fluent $command)
{
return 'drop table '.$this->wrapTable($blueprint);
}
/**
* Compile a drop table (if exists) command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileDropIfExists(Blueprint $blueprint, Fluent $command)
{
return 'drop table if exists '.$this->wrapTable($blueprint);
}
/**
* Compile the SQL needed to drop all tables.
*
* @return string
*/
public function compileDropAllTables()
{
return "delete from sqlite_master where type in ('table', 'index', 'trigger')";
}
/**
* Compile the SQL needed to drop all views.
*
* @return string
*/
public function compileDropAllViews()
{
return "delete from sqlite_master where type in ('view')";
}
/**
* Compile the SQL needed to rebuild the database.
*
* @return string
*/
public function compileRebuild()
{
return 'vacuum';
}
/**
* Compile a drop column command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @param \Illuminate\Database\Connection $connection
* @return array
*/
public function compileDropColumn(Blueprint $blueprint, Fluent $command, Connection $connection)
{
$table = $this->wrapTable($blueprint);
$columns = $this->prefixArray('drop column', $this->wrapArray($command->columns));
return collect($columns)->map(fn ($column) => 'alter table '.$table.' '.$column)->all();
}
/**
* Compile a drop unique key command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileDropUnique(Blueprint $blueprint, Fluent $command)
{
$index = $this->wrap($command->index);
return "drop index {$index}";
}
/**
* Compile a drop index command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileDropIndex(Blueprint $blueprint, Fluent $command)
{
$index = $this->wrap($command->index);
return "drop index {$index}";
}
/**
* Compile a drop spatial index command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return void
*
* @throws \RuntimeException
*/
public function compileDropSpatialIndex(Blueprint $blueprint, Fluent $command)
{
throw new RuntimeException('The database driver in use does not support spatial indexes.');
}
/**
* Compile a rename table command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @return string
*/
public function compileRename(Blueprint $blueprint, Fluent $command)
{
$from = $this->wrapTable($blueprint);
return "alter table {$from} rename to ".$this->wrapTable($command->to);
}
/**
* Compile a rename index command.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $command
* @param \Illuminate\Database\Connection $connection
* @return array
*
* @throws \RuntimeException
*/
public function compileRenameIndex(Blueprint $blueprint, Fluent $command, Connection $connection)
{
$indexes = $connection->getSchemaBuilder()->getIndexes($blueprint->getTable());
$index = Arr::first($indexes, fn ($index) => $index['name'] === $command->from);
if (! $index) {
throw new RuntimeException("Index [{$command->from}] does not exist.");
}
if ($index['primary']) {
throw new RuntimeException('SQLite does not support altering primary keys.');
}
if ($index['unique']) {
return [
$this->compileDropUnique($blueprint, new IndexDefinition(['index' => $index['name']])),
$this->compileUnique($blueprint,
new IndexDefinition(['index' => $command->to, 'columns' => $index['columns']])
),
];
}
return [
$this->compileDropIndex($blueprint, new IndexDefinition(['index' => $index['name']])),
$this->compileIndex($blueprint,
new IndexDefinition(['index' => $command->to, 'columns' => $index['columns']])
),
];
}
/**
* Compile the command to enable foreign key constraints.
*
* @return string
*/
public function compileEnableForeignKeyConstraints()
{
return 'PRAGMA foreign_keys = ON;';
}
/**
* Compile the command to disable foreign key constraints.
*
* @return string
*/
public function compileDisableForeignKeyConstraints()
{
return 'PRAGMA foreign_keys = OFF;';
}
/**
* Compile the SQL needed to enable a writable schema.
*
* @return string
*/
public function compileEnableWriteableSchema()
{
return 'PRAGMA writable_schema = 1;';
}
/**
* Compile the SQL needed to disable a writable schema.
*
* @return string
*/
public function compileDisableWriteableSchema()
{
return 'PRAGMA writable_schema = 0;';
}
/**
* Create the column definition for a char type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeChar(Fluent $column)
{
return 'varchar';
}
/**
* Create the column definition for a string type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeString(Fluent $column)
{
return 'varchar';
}
/**
* Create the column definition for a tiny text type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeTinyText(Fluent $column)
{
return 'text';
}
/**
* Create the column definition for a text type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeText(Fluent $column)
{
return 'text';
}
/**
* Create the column definition for a medium text type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeMediumText(Fluent $column)
{
return 'text';
}
/**
* Create the column definition for a long text type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeLongText(Fluent $column)
{
return 'text';
}
/**
* Create the column definition for an integer type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeInteger(Fluent $column)
{
return 'integer';
}
/**
* Create the column definition for a big integer type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeBigInteger(Fluent $column)
{
return 'integer';
}
/**
* Create the column definition for a medium integer type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeMediumInteger(Fluent $column)
{
return 'integer';
}
/**
* Create the column definition for a tiny integer type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeTinyInteger(Fluent $column)
{
return 'integer';
}
/**
* Create the column definition for a small integer type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeSmallInteger(Fluent $column)
{
return 'integer';
}
/**
* Create the column definition for a float type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeFloat(Fluent $column)
{
return 'float';
}
/**
* Create the column definition for a double type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeDouble(Fluent $column)
{
return 'double';
}
/**
* Create the column definition for a decimal type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeDecimal(Fluent $column)
{
return 'numeric';
}
/**
* Create the column definition for a boolean type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeBoolean(Fluent $column)
{
return 'tinyint(1)';
}
/**
* Create the column definition for an enumeration type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeEnum(Fluent $column)
{
return sprintf(
'varchar check ("%s" in (%s))',
$column->name,
$this->quoteString($column->allowed)
);
}
/**
* Create the column definition for a json type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeJson(Fluent $column)
{
return 'text';
}
/**
* Create the column definition for a jsonb type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeJsonb(Fluent $column)
{
return 'text';
}
/**
* Create the column definition for a date type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeDate(Fluent $column)
{
return 'date';
}
/**
* Create the column definition for a date-time type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeDateTime(Fluent $column)
{
return $this->typeTimestamp($column);
}
/**
* Create the column definition for a date-time (with time zone) 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 $this->typeDateTime($column);
}
/**
* 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 (with time zone) type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeTimeTz(Fluent $column)
{
return $this->typeTime($column);
}
/**
* Create the column definition for a timestamp type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeTimestamp(Fluent $column)
{
if ($column->useCurrent) {
$column->default(new Expression('CURRENT_TIMESTAMP'));
}
return 'datetime';
}
/**
* Create the column definition for a timestamp (with time zone) type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeTimestampTz(Fluent $column)
{
return $this->typeTimestamp($column);
}
/**
* Create the column definition for a year type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeYear(Fluent $column)
{
return $this->typeInteger($column);
}
/**
* Create the column definition for a binary type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeBinary(Fluent $column)
{
return 'blob';
}
/**
* Create the column definition for a uuid type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeUuid(Fluent $column)
{
return 'varchar';
}
/**
* Create the column definition for an IP address type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeIpAddress(Fluent $column)
{
return 'varchar';
}
/**
* Create the column definition for a MAC address type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeMacAddress(Fluent $column)
{
return 'varchar';
}
/**
* Create the column definition for a spatial Geometry type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeGeometry(Fluent $column)
{
return 'geometry';
}
/**
* Create the column definition for a spatial Geography type.
*
* @param \Illuminate\Support\Fluent $column
* @return string
*/
protected function typeGeography(Fluent $column)
{
return $this->typeGeometry($column);
}
/**
* Create the column definition for a generated, computed column type.
*
* @param \Illuminate\Support\Fluent $column
* @return void
*
* @throws \RuntimeException
*/
protected function typeComputed(Fluent $column)
{
throw new RuntimeException('This database driver requires a type, see the virtualAs / storedAs modifiers.');
}
/**
* Get the SQL for a generated virtual column modifier.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $column
* @return string|null
*/
protected function modifyVirtualAs(Blueprint $blueprint, Fluent $column)
{
if (! is_null($virtualAs = $column->virtualAsJson)) {
if ($this->isJsonSelector($virtualAs)) {
$virtualAs = $this->wrapJsonSelector($virtualAs);
}
return " as ({$virtualAs})";
}
if (! is_null($virtualAs = $column->virtualAs)) {
return " as ({$this->getValue($virtualAs)})";
}
}
/**
* Get the SQL for a generated stored column modifier.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $column
* @return string|null
*/
protected function modifyStoredAs(Blueprint $blueprint, Fluent $column)
{
if (! is_null($storedAs = $column->storedAsJson)) {
if ($this->isJsonSelector($storedAs)) {
$storedAs = $this->wrapJsonSelector($storedAs);
}
return " as ({$storedAs}) stored";
}
if (! is_null($storedAs = $column->storedAs)) {
return " as ({$this->getValue($column->storedAs)}) stored";
}
}
/**
* 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 $column)
{
if (is_null($column->virtualAs) &&
is_null($column->virtualAsJson) &&
is_null($column->storedAs) &&
is_null($column->storedAsJson)) {
return $column->nullable ? '' : ' not null';
}
if ($column->nullable === false) {
return ' 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) && is_null($column->virtualAs) && is_null($column->virtualAsJson) && is_null($column->storedAs)) {
return ' default '.$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';
}
}
/**
* Get the SQL for a collation column modifier.
*
* @param \Illuminate\Database\Schema\Blueprint $blueprint
* @param \Illuminate\Support\Fluent $column
* @return string|null
*/
protected function modifyCollate(Blueprint $blueprint, Fluent $column)
{
if (! is_null($column->collation)) {
return " collate '{$column->collation}'";
}
}
/**
* Wrap the given JSON selector.
*
* @param string $value
* @return string
*/
protected function wrapJsonSelector($value)
{
[$field, $path] = $this->wrapJsonFieldAndPath($value);
return 'json_extract('.$field.$path.')';
}
}