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<?php |
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namespace KitLoong\MigrationsGenerator\Repositories; |
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use Illuminate\Support\Collection; |
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use KitLoong\MigrationsGenerator\MigrationsGeneratorSetting; |
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use KitLoong\MigrationsGenerator\Schema\SQLSrv\Column; |
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class SQLSrvRepository extends Repository |
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{ |
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const INDEX_TYPE_SPATIAL = 4; |
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public function getSpatialIndexNames(string $table): Collection |
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{ |
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$setting = app(MigrationsGeneratorSetting::class); |
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$columns = $setting->getConnection() |
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->select(" |
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SELECT idx.name AS indexname |
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FROM sys.tables AS tbl |
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JOIN sys.schemas AS scm ON tbl.schema_id = scm.schema_id |
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JOIN sys.indexes AS idx ON tbl.object_id = idx.object_id |
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JOIN sys.index_columns AS idxcol ON idx.object_id = idxcol.object_id AND idx.index_id = idxcol.index_id |
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JOIN sys.columns AS col ON idxcol.object_id = col.object_id AND idxcol.column_id = col.column_id |
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WHERE ".$this->getTableWhereClause($table, 'scm.name', 'tbl.name')." |
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AND idx.type = ".self::INDEX_TYPE_SPATIAL." |
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"); |
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$definitions = collect([]); |
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if (count($columns) > 0) { |
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foreach ($columns as $column) { |
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$definitions->push($column->indexname); |
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} |
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} |
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return $definitions; |
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} |
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/** |
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* @param string $table |
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* @param string $column |
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* @return \KitLoong\MigrationsGenerator\Schema\SQLSrv\Column|null |
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*/ |
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public function getColumnDefinition(string $table, string $column): ?Column |
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{ |
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$setting = app(MigrationsGeneratorSetting::class); |
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$columns = $setting->getConnection() |
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->select(" |
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SELECT col.name, |
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type.name AS type, |
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col.max_length AS length, |
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~col.is_nullable AS notnull, |
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def.definition AS [default], |
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col.scale, |
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col.precision, |
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col.is_identity AS autoincrement, |
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col.collation_name AS collation, |
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CAST(prop.value AS NVARCHAR(MAX)) AS comment -- CAST avoids driver error for sql_variant type |
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FROM sys.columns AS col |
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JOIN sys.types AS type |
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ON col.user_type_id = type.user_type_id |
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JOIN sys.objects AS obj |
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ON col.object_id = obj.object_id |
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JOIN sys.schemas AS scm |
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ON obj.schema_id = scm.schema_id |
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LEFT JOIN sys.default_constraints def |
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ON col.default_object_id = def.object_id |
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AND col.object_id = def.parent_object_id |
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LEFT JOIN sys.extended_properties AS prop |
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ON obj.object_id = prop.major_id |
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AND col.column_id = prop.minor_id |
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AND prop.name = 'MS_Description' |
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WHERE obj.type = 'U' |
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AND ".$this->getTableWhereClause($table, 'scm.name', 'obj.name')." |
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AND col.name = ".$this->quoteStringLiteral($column)." |
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"); |
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if (count($columns) > 0) { |
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$column = $columns[0]; |
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return new Column( |
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$column->name, |
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$column->type, |
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$column->length, |
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$column->notnull, |
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$column->scale, |
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$column->precision, |
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$column->autoincrement, |
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$column->default, |
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$column->collation, |
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$column->comment |
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); |
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} |
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return null; |
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} |
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/** |
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* Returns the where clause to filter schema and table name in a query. |
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* |
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* @param string $table The full qualified name of the table. |
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* @param string $schemaColumn The name of the column to compare the schema to in the where clause. |
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* @param string $tableColumn The name of the column to compare the table to in the where clause. |
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* |
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* @return string |
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*/ |
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private function getTableWhereClause(string $table, string $schemaColumn, string $tableColumn): string |
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{ |
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if (strpos($table, '.') !== false) { |
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[$schema, $table] = explode('.', $table); |
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$schema = $this->quoteStringLiteral($schema); |
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} else { |
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$schema = 'SCHEMA_NAME()'; |
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} |
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$table = $this->quoteStringLiteral($table); |
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return sprintf('(%s = %s AND %s = %s)', $tableColumn, $table, $schemaColumn, $schema); |
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} |
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} |
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kitloong /
laravel-migrations-generator
