async def compile_graphql(
self,
dbver: bytes,
gql: str,
tokens: Optional[List[Tuple[gql_lexer.TokenKind, int, int, int, int,
str]]],
substitutions: Optional[Dict[str, Tuple[str, int, int]]],
operation_name: str = None,
variables: Optional[Mapping[str, object]] = None,
) -> CompiledOperation:
db = await self._get_database(dbver)
if tokens is None:
ast = graphql.parse_text(gql)
else:
ast = graphql.parse_tokens(gql, tokens)
op = graphql.translate_ast(
db.gqlcore, # type: ignore[attr-defined]
ast,
variables=variables,
substitutions=substitutions,
operation_name=operation_name)
ir = qlcompiler.compile_ast_to_ir(
op.edgeql_ast,
schema=db.schema,
options=qlcompiler.CompilerOptions(
json_parameters=True,
allow_top_level_shape_dml=True,
),
)
if ir.cardinality.is_multi():
raise errors.ResultCardinalityMismatchError(
f'compiled GrqphQL query has cardinality {ir.cardinality}, '
f'expected ONE')
sql_text, argmap = pg_compiler.compile_ir_to_sql(
ir,
pretty=bool(debug.flags.edgeql_compile),
expected_cardinality_one=True,
output_format=pg_compiler.OutputFormat.JSON)
args: List[Optional[str]] = [None] * len(argmap)
for argname, param in argmap.items():
args[param.index - 1] = argname
sql_bytes = sql_text.encode()
sql_hash = self._hash_sql(sql_bytes)
return CompiledOperation(
sql=sql_bytes,
sql_hash=sql_hash,
sql_args=args, # type: ignore[arg-type] # XXX: optional bug?
dbver=dbver,
cacheable=op.cacheable,
cache_deps_vars=op.cache_deps_vars,
variables=op.variables_desc,
)
def compile_graphql(
std_schema: s_schema.FlatSchema,
user_schema: s_schema.FlatSchema,
global_schema: s_schema.FlatSchema,
database_config: Mapping[str, Any],
system_config: Mapping[str, Any],
gql: str,
tokens: Optional[List[Tuple[gql_lexer.TokenKind, int, int, int, int,
str]]],
substitutions: Optional[Dict[str, Tuple[str, int, int]]],
operation_name: str = None,
variables: Optional[Mapping[str, object]] = None,
) -> CompiledOperation:
if tokens is None:
ast = graphql.parse_text(gql)
else:
ast = graphql.parse_tokens(gql, tokens)
gqlcore = _get_gqlcore(std_schema, user_schema, global_schema)
op = graphql.translate_ast(gqlcore,
ast,
variables=variables,
substitutions=substitutions,
operation_name=operation_name)
ir = qlcompiler.compile_ast_to_ir(
op.edgeql_ast,
schema=s_schema.ChainedSchema(
std_schema,
user_schema,
global_schema,
),
options=qlcompiler.CompilerOptions(
json_parameters=True,
allow_top_level_shape_dml=True,
),
)
if ir.cardinality.is_multi():
raise errors.ResultCardinalityMismatchError(
f'compiled GrqphQL query has cardinality {ir.cardinality}, '
f'expected ONE')
sql_text, argmap = pg_compiler.compile_ir_to_sql(
ir,
pretty=bool(debug.flags.edgeql_compile),
expected_cardinality_one=True,
output_format=pg_compiler.OutputFormat.JSON)
args: List[Optional[str]] = [None] * len(argmap)
for argname, param in argmap.items():
args[param.index - 1] = argname
sql_bytes = sql_text.encode()
sql_hash = hashlib.sha1(sql_bytes).hexdigest().encode('latin1')
return CompiledOperation(
sql=sql_bytes,
sql_hash=sql_hash,
sql_args=args, # type: ignore[arg-type] # XXX: optional bug?
cacheable=op.cacheable,
cache_deps_vars=op.cache_deps_vars,
variables=op.variables_desc,
)