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<?php |
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namespace ICanBoogie\ActiveRecord\Driver; |
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use ICanBoogie\ActiveRecord\Schema; |
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use ICanBoogie\ActiveRecord\Schema\BelongsTo; |
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use ICanBoogie\ActiveRecord\Schema\Binary; |
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use ICanBoogie\ActiveRecord\Schema\Blob; |
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use ICanBoogie\ActiveRecord\Schema\Boolean; |
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use ICanBoogie\ActiveRecord\Schema\Column; |
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use ICanBoogie\ActiveRecord\Schema\Date; |
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use ICanBoogie\ActiveRecord\Schema\DateTime; |
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use ICanBoogie\ActiveRecord\Schema\Integer; |
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use ICanBoogie\ActiveRecord\Schema\Serial; |
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use ICanBoogie\ActiveRecord\Schema\Text; |
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use ICanBoogie\ActiveRecord\Schema\Time; |
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use InvalidArgumentException; |
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use function implode; |
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use function in_array; |
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use function is_array; |
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use function PHPUnit\Framework\matches; |
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/** |
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* @see https://www.sqlite.org/lang_createtable.html |
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*/ |
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class TableRendererForPostgreSQL extends TableRenderer |
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{ |
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protected function render_column_defs(Schema $schema): array |
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{ |
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$render = []; |
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foreach ($schema->columns as $name => $column) { |
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$type = $this->render_type_name($column); |
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$constraint = $this->render_column_constraint($column); |
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$render[] = "$name $type $constraint"; |
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} |
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return $render; |
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} |
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protected function render_type_name(Column $column): string |
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{ |
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return match ($column::class) { |
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Serial::class => match ($column->size) { |
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Integer::SIZE_SMALL => "SMALLSERIAL", |
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Integer::SIZE_REGULAR => "SERIAL", |
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Integer::SIZE_BIG => "BIGSERIAL", |
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default => throw new InvalidArgumentException("Serial size {$column->size} is not supported by PostgreSQL") |
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}, |
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BelongsTo::class, Integer::class => match ($column->size) { |
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Integer::SIZE_SMALL => "SMALLINT", |
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Integer::SIZE_REGULAR => "INTEGER", |
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Integer::SIZE_BIG => "BIGINT", |
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default => throw new InvalidArgumentException("Integer size {$column->size} is not supported by PostgreSQL") |
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}, |
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// https://www.postgresql.org/docs/current/datatype-bit.html |
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Binary::class => $column->fixed |
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? "BIT($column->size)" |
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: "BIT VARYING($column->size)", |
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// https://www.postgresql.org/docs/current/datatype-character.html |
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Text::class => "TEXT", |
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// https://www.postgresql.org/docs/current/datatype-binary.html |
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Blob::class => "BYTEA", |
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// https://www.postgresql.org/docs/current/datatype-datetime.html |
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DateTime::class => "TIMESTAMP", |
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default => parent::render_type_name($column) |
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}; |
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} |
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private function render_column_constraint(Column $column): string |
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{ |
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$constraint = ''; |
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if ($column instanceof Integer && !$column instanceof Boolean && !$column instanceof Serial) { |
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$constraint .= $column->unsigned ? " UNSIGNED" : ''; |
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} |
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$constraint .= $column->null ? " NULL" : " NOT NULL"; |
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$constraint .= $column->default !== null ? " DEFAULT " . $this->format_default($column->default) : ''; |
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$constraint .= $column->unique ? " UNIQUE" : ''; |
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$constraint .= $column->collate ? " COLLATE $column->collate" : ''; |
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// foreign-key-clause goes here |
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return ltrim($constraint); |
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} |
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private function format_default(string $default): string |
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{ |
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if (in_array($default, [ DateTime::CURRENT_TIMESTAMP, Date::CURRENT_DATE, Time::CURRENT_TIME ])) { |
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return "($default)"; |
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} |
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return $default; |
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} |
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protected function render_table_constraints(Schema $schema): array |
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{ |
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$constraints = []; |
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// |
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// PRIMARY KEY |
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// |
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$primary = $schema->primary; |
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if (is_array($primary)) { |
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$primary = implode(', ', $primary); |
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$constraints[] = "PRIMARY KEY ($primary)"; |
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} elseif (is_string($primary)) { |
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$constraints[] = "PRIMARY KEY ($primary)"; |
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} |
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// |
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// UNIQUE |
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// |
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foreach ($schema->indexes as $index) { |
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if (!$index->unique || $index->name) { |
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continue; |
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} |
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$indexed_columns = is_array($index->columns) |
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? implode(', ', $index->columns) |
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: $index->columns; |
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$constraints[] = "UNIQUE ($indexed_columns)"; |
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} |
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return $constraints; |
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} |
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protected function render_create_index(Schema $schema, string $prefixed_table_name): string |
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{ |
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$create_index = ''; |
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foreach ($schema->indexes as $index) { |
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$name = $index->name; |
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// Unnamed UNIQUE indexes have been added during render_table_constraints() |
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if ($index->unique && !$name) { |
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continue; |
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} |
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$unique = $index->unique ? 'UNIQUE ' : ''; |
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$columns = $index->columns; |
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if (!$name) { |
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$name = is_array($columns) ? implode('_', $columns) : $columns; |
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} |
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$columns = $this->render_column_list($columns); |
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$create_index .= "CREATE {$unique}INDEX $name ON $prefixed_table_name ($columns);\n"; |
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} |
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return rtrim($create_index, "\n"); |
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} |
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/** |
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* @param string|string[] $columns |
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*/ |
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private function render_column_list(string|array $columns): string |
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{ |
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return is_array($columns) ? implode(', ', $columns) : $columns; |
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} |
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protected function render_table_options(): array |
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{ |
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return []; |
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} |
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} |
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