暂存

2026-05-01 23:40:14 +08:00
commit b8f599a617
3867 changed files with 478663 additions and 0 deletions
@@ -0,0 +1,173 @@
+<?php
+
+namespace Illuminate\Database\Schema;
+
+use Illuminate\Database\QueryException;
+use Illuminate\Support\Arr;
+use Illuminate\Support\Facades\File;
+
+class SQLiteBuilder extends Builder
+{
+    /**
+     * Create a database in the schema.
+     *
+     * @param  string  $name
+     * @return bool
+     */
+    public function createDatabase($name)
+    {
+        return File::put($name, '') !== false;
+    }
+
+    /**
+     * Drop a database from the schema if the database exists.
+     *
+     * @param  string  $name
+     * @return bool
+     */
+    public function dropDatabaseIfExists($name)
+    {
+        return ! File::exists($name) || File::delete($name);
+    }
+
+    /** @inheritDoc */
+    public function getTables($schema = null)
+    {
+        try {
+            $withSize = $this->connection->scalar($this->grammar->compileDbstatExists());
+        } catch (QueryException) {
+            $withSize = false;
+        }
+
+        if (version_compare($this->connection->getServerVersion(), '3.37.0', '<')) {
+            $schema ??= array_column($this->getSchemas(), 'name');
+
+            $tables = [];
+
+            foreach (Arr::wrap($schema) as $name) {
+                $tables = array_merge($tables, $this->connection->selectFromWriteConnection(
+                    $this->grammar->compileLegacyTables($name, $withSize)
+                ));
+            }
+
+            return $this->connection->getPostProcessor()->processTables($tables);
+        }
+
+        return $this->connection->getPostProcessor()->processTables(
+            $this->connection->selectFromWriteConnection(
+                $this->grammar->compileTables($schema)
+            )
+        );
+    }
+
+    /** @inheritDoc */
+    public function getViews($schema = null)
+    {
+        $schema ??= array_column($this->getSchemas(), 'name');
+
+        $views = [];
+
+        foreach (Arr::wrap($schema) as $name) {
+            $views = array_merge($views, $this->connection->selectFromWriteConnection(
+                $this->grammar->compileViews($name)
+            ));
+        }
+
+        return $this->connection->getPostProcessor()->processViews($views);
+    }
+
+    /** @inheritDoc */
+    public function getColumns($table)
+    {
+        [$schema, $table] = $this->parseSchemaAndTable($table);
+
+        $table = $this->connection->getTablePrefix().$table;
+
+        return $this->connection->getPostProcessor()->processColumns(
+            $this->connection->selectFromWriteConnection($this->grammar->compileColumns($schema, $table)),
+            $this->connection->scalar($this->grammar->compileSqlCreateStatement($schema, $table))
+        );
+    }
+
+    /**
+     * Drop all tables from the database.
+     *
+     * @return void
+     */
+    public function dropAllTables()
+    {
+        foreach ($this->getCurrentSchemaListing() as $schema) {
+            $database = $schema === 'main'
+                ? $this->connection->getDatabaseName()
+                : (array_column($this->getSchemas(), 'path', 'name')[$schema] ?: ':memory:');
+
+            if ($database !== ':memory:' &&
+                ! str_contains($database, '?mode=memory') &&
+                ! str_contains($database, '&mode=memory')
+            ) {
+                $this->refreshDatabaseFile($database);
+            } else {
+                $this->pragma('writable_schema', 1);
+
+                $this->connection->statement($this->grammar->compileDropAllTables($schema));
+
+                $this->pragma('writable_schema', 0);
+
+                $this->connection->statement($this->grammar->compileRebuild($schema));
+            }
+        }
+    }
+
+    /**
+     * Drop all views from the database.
+     *
+     * @return void
+     */
+    public function dropAllViews()
+    {
+        foreach ($this->getCurrentSchemaListing() as $schema) {
+            $this->pragma('writable_schema', 1);
+
+            $this->connection->statement($this->grammar->compileDropAllViews($schema));
+
+            $this->pragma('writable_schema', 0);
+
+            $this->connection->statement($this->grammar->compileRebuild($schema));
+        }
+    }
+
+    /**
+     * Get the value for the given pragma name or set the given value.
+     *
+     * @param  string  $key
+     * @param  mixed  $value
+     * @return mixed
+     */
+    public function pragma($key, $value = null)
+    {
+        return is_null($value)
+            ? $this->connection->scalar($this->grammar->pragma($key))
+            : $this->connection->statement($this->grammar->pragma($key, $value));
+    }
+
+    /**
+     * Empty the database file.
+     *
+     * @param  string|null  $path
+     * @return void
+     */
+    public function refreshDatabaseFile($path = null)
+    {
+        file_put_contents($path ?? $this->connection->getDatabaseName(), '');
+    }
+
+    /**
+     * Get the names of current schemas for the connection.
+     *
+     * @return string[]|null
+     */
+    public function getCurrentSchemaListing()
+    {
+        return ['main'];
+    }
+}