tiny.sql.RelationSchema

1pub const RelationSchema = struct {2    allocator: Allocator,3    columns: []catalog_mod.ColumnDefinition,4    indexes: []catalog_mod.IndexDefinition,56    pub fn init(allocator: Allocator, columns: []const catalog_mod.ColumnDefinition, indexes: []const catalog_mod.IndexDefinition) Allocator.Error!RelationSchema {7        const owned_columns = try allocator.alloc(catalog_mod.ColumnDefinition, columns.len);8        var column_count: usize = 0;9        errdefer {10            for (owned_columns[0..column_count]) |*column| deinitColumn(allocator, column);11            allocator.free(owned_columns);12        }13        for (columns, owned_columns) |column, *target| {14            target.* = try cloneColumn(allocator, column);15            column_count += 1;16        }1718        const owned_indexes = try allocator.alloc(catalog_mod.IndexDefinition, indexes.len);19        var index_count: usize = 0;20        errdefer {21            for (owned_indexes[0..index_count]) |*index| deinitIndex(allocator, index);22            allocator.free(owned_indexes);23        }24        for (indexes, owned_indexes) |index, *target| {25            target.* = try cloneIndex(allocator, index);26            index_count += 1;27        }2829        return .{30            .allocator = allocator,31            .columns = owned_columns,32            .indexes = owned_indexes,33        };34    }3536    pub fn deinit(self: *RelationSchema) void {37        for (self.columns) |*column| deinitColumn(self.allocator, column);38        for (self.indexes) |*index| deinitIndex(self.allocator, index);39        self.allocator.free(self.columns);40        self.allocator.free(self.indexes);41        self.* = undefined;42    }4344    pub fn clone(self: *const RelationSchema, allocator: Allocator) Allocator.Error!RelationSchema {45        return try RelationSchema.init(allocator, self.columns, self.indexes);46    }47};

1pub const RelationSchema = version.RelationSchema;