GPKG_EXTENSIONS top-level constant Null safety

String const GPKG_EXTENSIONS

Implementation

const GPKG_EXTENSIONS = """
  CREATE TABLE IF NOT EXISTS $TABLE_EXTENSIONS (
    table_name TEXT,
    column_name TEXT,
    extension_name TEXT NOT NULL,
    definition TEXT NOT NULL,
    scope TEXT NOT NULL,
    CONSTRAINT ge_tce UNIQUE (table_name, column_name, extension_name)
  );
""";