packages/sql-semantics-postgres/resources/models/Value/AlterTableCmdWithAlterOptColumnColIdDropIdentityPIfPExists_c5d2dc81.php

1<?php
2
3declare(strict_types=1);
4
5namespace SqlSemantics\Statement\Model\PostgreSql\Value;
6
7/**
8 * The alter_table_cmd SQL value; generated by bin/build-models.php.
9 *
10 * @visibility public
11 * @example Accept a structured SQL value
12 *     $write = static fn (\SqlSemantics\Statement\Model\PostgreSql\Value\AlterTableCmdWithAlterOptColumnColIdDropIdentityPIfPExists_c5d2dc81 $value): string => \SqlSemantics\Statement\Writer::render($value);
13 *     $write instanceof \Closure // => true
14 */
15final class AlterTableCmdWithAlterOptColumnColIdDropIdentityPIfPExists_c5d2dc81 implements \SqlSemantics\Statement\Model\PostgreSql\Role\AlterTableCmdForm, \SqlSemantics\Statement\Model\PostgreSql\Role\AlterTableCmdsForm
16{
17    use \SqlSemantics\Statement\Assertion;
18
19    /**
20     * Supplies the SQL values of this form; comments are kept by the position of the symbol each precedes.
21     */
22    public function __construct(
23        public readonly \SqlSemantics\Statement\Model\PostgreSql\Role\OptColumnForm $optColumn,
24        public readonly \SqlSemantics\Statement\Model\PostgreSql\Role\ColIdForm $colId,
25        public readonly \SqlSemantics\Statement\Comments $comments = new \SqlSemantics\Statement\Comments(),
26    ) {
27        $this->assert(\SqlSemantics\Statement\Model\PostgreSql\Contract\Contracts::contains($optColumn), 'The optColumn must be a generated immutable SQL value.');
28        $this->assert(\SqlSemantics\Statement\Model\PostgreSql\Contract\Contracts::contains($colId), 'The colId must be a generated immutable SQL value.');
29    }
30
31    /**
32     * Writes SQL entirely from this value's fields.
33     */
34    public function write(\SqlSemantics\Statement\Writer $writer): void
35    {
36        $writer->comments($this->comments, 0);
37        $writer->append('ALTER');
38        $writer->comments($this->comments, 1);
39        $this->optColumn->write($writer);
40        $writer->comments($this->comments, 2);
41        $this->colId->write($writer);
42        $writer->comments($this->comments, 3);
43        $writer->append('DROP');
44        $writer->comments($this->comments, 4);
45        $writer->append('IDENTITY');
46        $writer->comments($this->comments, 5);
47        $writer->append('IF');
48        $writer->comments($this->comments, 6);
49        $writer->append('EXISTS');
50    }
51
52    /**
53     * Returns a copy with a new optColumn, preserving every other field.
54     */
55    public function withOptColumn(\SqlSemantics\Statement\Model\PostgreSql\Role\OptColumnForm $optColumn): self
56    {
57        return new self($optColumn, $this->colId, $this->comments);
58    }
59
60    /**
61     * Returns a copy with a new colId, preserving every other field.
62     */
63    public function withColId(\SqlSemantics\Statement\Model\PostgreSql\Role\ColIdForm $colId): self
64    {
65        return new self($this->optColumn, $colId, $this->comments);
66    }
67
68    /**
69     * Returns a copy with a new comments, preserving every other field.
70     */
71    public function withComments(\SqlSemantics\Statement\Comments $comments): self
72    {
73        return new self($this->optColumn, $this->colId, $comments);
74    }
75}
76